add test for csv chunks #60

- Add csv to existing db #32
- [RFE] Simplify working with temporary tables #53

.github/workflows/config.grenrc.js

@@ -0,0 +1,17 @@
+module.exports = {
+  dataSource: 'milestones',
+  ignoreIssuesWith: [
+    'wontfix',
+    'duplicate'
+  ],
+  milestoneMatch: 'v{{tag_name}}',
+  template: {
+    issue: '- {{name}} [{{text}}]({{url}})',
+    changelogTitle: "",
+    release: "{{body}}",
+  },
+  groupBy: {
+    'Enhancements': ["enhancement", "internal"],
+    'Bug fixes': ["bug"]
+  }
+}

.github/workflows/main.yml

@@ -25,16 +25,26 @@ jobs:
         cd dist
         zip -9 -r  dist.zip . -x "js/*.map"
 
+    - name: Create Release Notes
+      run: |
+        npm install github-release-notes@0.16.0 -g
+        gren changelog --generate  --config="/.github/workflows/config.grenrc.js"
+      env:
+        GREN_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
     - name: Create release
       uses: ncipollo/release-action@v1
       with:
         artifacts: "dist/dist.zip"
         token: ${{ secrets.GITHUB_TOKEN }}
+        bodyFile: "CHANGELOG.md"
 
     - name: Deploy 🚀
-      uses: JamesIves/github-pages-deploy-action@3.6.2
+      uses: JamesIves/github-pages-deploy-action@4.1.1
       with:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        BRANCH: build # The branch the action should deploy to.
-        FOLDER: dist/ # The folder the action should deploy.
-        CLEAN: false # Automatically remove deleted files from the deploy branch
+        token: ${{ secrets.GITHUB_TOKEN }}
+        branch: build # The branch the action should deploy to.
+        folder: dist/ # The folder the action should deploy.
+        clean: true # Automatically remove deleted files from the deploy branch
+        clean-exclude: .nojekyll
+

README.md

@@ -14,6 +14,8 @@ With sqliteviz you can:
 - export a modified SQLite database
 - use it offline from your OS application menu like any other desktop app
 
+https://user-images.githubusercontent.com/24638357/117355518-fa332680-aeb2-11eb-8a69-fbcea4f7aeb0.mp4
+
 ## Quickstart
 The latest release of sqliteviz is deployed on GitHub Pages at [lana-k.github.io/sqliteviz][6].
 
@@ -36,4 +38,4 @@ It is built on top of [react-chart-editor][3], [sql.js][4] and [Vue-Codemirror][
 [8]: https://github.com/surmon-china/vue-codemirror#readme
 [9]: https://www.papaparse.com/
 [10]: https://github.com/lana-k/sqliteviz/wiki/Predefined-queries
-[11]: https://github.com/plotly/plotly.js
+[11]: https://github.com/plotly/plotly.js

karma.conf.js

@@ -141,7 +141,7 @@ module.exports = function (config) {
             ]
           },
           {
-            test: /\.worker\.js$/,
+            test: /worker\.js$/,
             loader: 'worker-loader'
           },
           {

package-lock.json

@@ -1,25 +1,24 @@
 {
   "name": "sqliteviz",
-  "version": "1.0.0",
+  "version": "0.13.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "sqliteviz",
-      "version": "1.0.0",
+      "version": "0.13.0",
       "license": "Apache-2.0",
       "dependencies": {
         "codemirror": "^5.57.0",
         "core-js": "^3.6.5",
-        "debounce": "^1.2.0",
         "nanoid": "^3.1.12",
         "papaparse": "^5.3.0",
-        "plotly.js": "^1.57.1",
+        "plotly.js": "^1.58.4",
         "promise-worker": "^2.0.1",
         "react": "^16.13.1",
-        "react-chart-editor": "^0.42.0",
+        "react-chart-editor": "^0.45.0",
         "react-dom": "^16.13.1",
-        "sql.js": "^1.3.0",
+        "sql.js": "^1.5.0",
         "sqlite-parser": "^1.0.1",
         "vue": "^2.6.11",
         "vue-codemirror": "^4.0.6",
@@ -1471,7 +1470,10 @@
     "node_modules/@icons/material": {
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/@icons/material/-/material-0.2.4.tgz",
-      "integrity": "sha512-QPcGmICAPbGLGb6F/yNf/KzKqvFx8z5qx3D1yFqVAjoFmXK35EgyW+cJ57Te3CNsmzblwtzakLGFqHPqrfb4Tw=="
+      "integrity": "sha512-QPcGmICAPbGLGb6F/yNf/KzKqvFx8z5qx3D1yFqVAjoFmXK35EgyW+cJ57Te3CNsmzblwtzakLGFqHPqrfb4Tw==",
+      "peerDependencies": {
+        "react": "*"
+      }
     },
     "node_modules/@intervolga/optimize-cssnano-plugin": {
       "version": "1.0.6",
@@ -3747,14 +3749,17 @@
       }
     },
     "node_modules/babel-plugin-styled-components": {
-      "version": "1.11.1",
-      "resolved": "https://registry.npmjs.org/babel-plugin-styled-components/-/babel-plugin-styled-components-1.11.1.tgz",
-      "integrity": "sha512-YwrInHyKUk1PU3avIRdiLyCpM++18Rs1NgyMXEAQC33rIXs/vro0A+stf4sT0Gf22Got+xRWB8Cm0tw+qkRzBA==",
+      "version": "1.12.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-styled-components/-/babel-plugin-styled-components-1.12.0.tgz",
+      "integrity": "sha512-FEiD7l5ZABdJPpLssKXjBUJMYqzbcNzBowfXDCdJhOpbhWiewapUaY+LZGT8R4Jg2TwOjGjG4RKeyrO5p9sBkA==",
       "dependencies": {
         "@babel/helper-annotate-as-pure": "^7.0.0",
         "@babel/helper-module-imports": "^7.0.0",
         "babel-plugin-syntax-jsx": "^6.18.0",
         "lodash": "^4.17.11"
+      },
+      "peerDependencies": {
+        "styled-components": ">= 2"
       }
     },
     "node_modules/babel-plugin-syntax-jsx": {
@@ -6748,11 +6753,6 @@
       "integrity": "sha1-sgOOhG3DO6pXlhKNCAS0VbjB4h0=",
       "dev": true
     },
-    "node_modules/debounce": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/debounce/-/debounce-1.2.0.tgz",
-      "integrity": "sha512-mYtLl1xfZLi1m4RtQYlZgJUNQjl4ZxVnHzIR8nLLgi4q1YT8o/WM+MK/f8yfcc9s5Ir5zRaPZyZU6xs1Syoocg=="
-    },
     "node_modules/debug": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
@@ -10057,9 +10057,9 @@
       }
     },
     "node_modules/gl-plot3d": {
-      "version": "2.4.6",
-      "resolved": "https://registry.npmjs.org/gl-plot3d/-/gl-plot3d-2.4.6.tgz",
-      "integrity": "sha512-CkrNvDKu0p74Di2g2Oc9kU+s1Oe+wi4cIfHzXABp8DvfoRl0/bayqJ9q8EcRAqMeQQxQZYGvJkk4hlBwI758Jw==",
+      "version": "2.4.7",
+      "resolved": "https://registry.npmjs.org/gl-plot3d/-/gl-plot3d-2.4.7.tgz",
+      "integrity": "sha512-mLDVWrl4Dj0O0druWyHUK5l7cBQrRIJRn2oROEgrRuOgbbrLAzsREKefwMO0bA0YqkiZMFMnV5VvPA9j57X5Xg==",
       "dependencies": {
         "3d-view": "^2.0.0",
         "a-big-triangle": "^1.0.3",
@@ -13481,6 +13481,11 @@
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
       "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
+    "node_modules/lodash-es": {
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash-es/-/lodash-es-4.17.21.tgz",
+      "integrity": "sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw=="
+    },
     "node_modules/lodash.debounce": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/lodash.debounce/-/lodash.debounce-4.0.8.tgz",
@@ -13819,7 +13824,10 @@
     "node_modules/mdi-react": {
       "version": "5.2.0",
       "resolved": "https://registry.npmjs.org/mdi-react/-/mdi-react-5.2.0.tgz",
-      "integrity": "sha512-q0zeUZbissoRVouq9JYSTrr/+2qk2P0dJI9N2m/TvZDX5RMcwHsVxffiqisjlo2m6cbXiCzAQaGaGmjoPfC4Pg=="
+      "integrity": "sha512-q0zeUZbissoRVouq9JYSTrr/+2qk2P0dJI9N2m/TvZDX5RMcwHsVxffiqisjlo2m6cbXiCzAQaGaGmjoPfC4Pg==",
+      "peerDependencies": {
+        "react": ">=0.14.0"
+      }
     },
     "node_modules/mdn-data": {
       "version": "2.0.4",
@@ -15936,18 +15944,22 @@
       }
     },
     "node_modules/plotly-icons": {
-      "version": "1.3.14",
-      "resolved": "https://registry.npmjs.org/plotly-icons/-/plotly-icons-1.3.14.tgz",
-      "integrity": "sha512-qglJLtQKeE0g5Zr08Je6Q16tbyOhSqiZ7eVvlUuxMxvNAFYqoYgqUXaagi3ytwYZdn+5SxSTscOt/lsKrAiEWQ==",
+      "version": "1.3.15",
+      "resolved": "https://registry.npmjs.org/plotly-icons/-/plotly-icons-1.3.15.tgz",
+      "integrity": "sha512-0k9zlvlFtXHzMvSSOhqt42d6jy13N5ueF8VLaL7S43SHE/+DTaO8W8jeFXQj5V1lRd7vkaYp9ACxNtMfByH04Q==",
       "dependencies": {
         "mdi-react": "5.2.0",
-        "prop-types": "^15.6.1"
+        "prop-types": "^15.7.2"
+      },
+      "peerDependencies": {
+        "react": ">15",
+        "react-dom": ">15"
       }
     },
     "node_modules/plotly.js": {
-      "version": "1.57.1",
-      "resolved": "https://registry.npmjs.org/plotly.js/-/plotly.js-1.57.1.tgz",
-      "integrity": "sha512-23GlzClmOGT1lE86Ys0DLuxBM/fgRNzJqH9y7ZylO4VPwstPAlQd12DklXsuqOgCNSxnnWUaP+J7BaUOFplsUg==",
+      "version": "1.58.4",
+      "resolved": "https://registry.npmjs.org/plotly.js/-/plotly.js-1.58.4.tgz",
+      "integrity": "sha512-hdt/aEvkPjS1HJ7tJKcPqsqi9ErEZPhUFs4d2ANTLeBim+AmVcHzS1rtwr7ZrVCINgliW/+92u81omJoy+lbUw==",
       "dependencies": {
         "@plotly/d3-sankey": "0.7.2",
         "@plotly/d3-sankey-circular": "0.33.1",
@@ -15979,7 +15991,7 @@
         "gl-mat4": "^1.2.0",
         "gl-mesh3d": "^2.3.1",
         "gl-plot2d": "^1.4.5",
-        "gl-plot3d": "^2.4.6",
+        "gl-plot3d": "^2.4.7",
         "gl-pointcloud2d": "^1.0.3",
         "gl-scatter3d": "^1.2.3",
         "gl-select-box": "^1.0.4",
@@ -16057,14 +16069,6 @@
         "color-space": "^1.14.6"
       }
     },
-    "node_modules/plotly.js/node_modules/tinycolor2": {
-      "version": "1.4.2",
-      "resolved": "https://registry.npmjs.org/tinycolor2/-/tinycolor2-1.4.2.tgz",
-      "integrity": "sha512-vJhccZPs965sV/L2sU4oRQVAos0pQXwsvTLkWYdqJ+a8Q5kPFzJTuOFwy7UniPli44NKQGAglksjvOcpo95aZA==",
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/plotly.js/node_modules/to-px": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/to-px/-/to-px-1.0.1.tgz",
@@ -17289,260 +17293,56 @@
       }
     },
     "node_modules/react-chart-editor": {
-      "version": "0.42.0",
-      "resolved": "https://registry.npmjs.org/react-chart-editor/-/react-chart-editor-0.42.0.tgz",
-      "integrity": "sha512-SepVBYHRUMajDwjlPPHVbrLjjy9rH1lWB98cDSeOSukupzWxi/x+gJ8cbfPSSYRUdw3GbTDOmMcu/9SjK7qinQ==",
+      "version": "0.45.0",
+      "resolved": "https://registry.npmjs.org/react-chart-editor/-/react-chart-editor-0.45.0.tgz",
+      "integrity": "sha512-/SurlIFait/BbWhq7sd8gIPr5MbhjPgrNY+d4V3sH6R/BjUocN/5SqUhQGknOUkxH8Fu4V+qn/8GsjYRFvk5NA==",
       "dependencies": {
         "@plotly/draft-js-export-html": "1.2.0",
-        "classnames": "^2.2.6",
-        "draft-js": "^0.11.7",
-        "draft-js-import-html": "^1.3.3",
-        "draft-js-utils": "^1.3.3",
-        "fast-isnumeric": "^1.1.4",
-        "immutability-helper": "^3.1.1",
-        "plotly-icons": "1.3.14",
-        "plotly.js": "1.55.x",
-        "prop-types": "^15.7.2",
-        "raf": "^3.4.1",
-        "react-color": "^2.18.1",
+        "classnames": "2.2.6",
+        "draft-js": "0.11.7",
+        "draft-js-import-html": "1.4.1",
+        "draft-js-utils": "1.4.0",
+        "fast-isnumeric": "1.1.4",
+        "immutability-helper": "3.1.1",
+        "plotly-icons": "1.3.15",
+        "plotly.js": "1.58.x",
+        "prop-types": "15.7.2",
+        "raf": "3.4.1",
+        "react-color": "2.19.3",
         "react-colorscales": "0.7.3",
-        "react-day-picker": "^7.4.8",
-        "react-dropzone": "^10.2.2",
-        "react-plotly.js": "^2.4.0",
-        "react-rangeslider": "^2.2.0",
-        "react-resizable-rotatable-draggable": "^0.2.0",
-        "react-select": "^2.4.2",
-        "react-tabs": "^3.1.1",
-        "styled-components": "^5.2.0",
-        "tinycolor2": "^1.4.1"
+        "react-day-picker": "7.4.8",
+        "react-dropzone": "10.2.2",
+        "react-plotly.js": "2.5.1",
+        "react-rangeslider": "2.2.0",
+        "react-resizable-rotatable-draggable": "0.2.0",
+        "react-select": "2.4.4",
+        "react-tabs": "3.2.1",
+        "styled-components": "5.2.1",
+        "tinycolor2": "1.4.2"
       },
       "engines": {
         "node": ">=10.0.0"
-      }
-    },
-    "node_modules/react-chart-editor/node_modules/@mapbox/geojson-rewind": {
-      "version": "0.5.0",
-      "resolved": "https://registry.npmjs.org/@mapbox/geojson-rewind/-/geojson-rewind-0.5.0.tgz",
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-        "concat-stream": "~2.0.0",
-        "minimist": "^1.2.5"
       },
-      "bin": {
-        "geojson-rewind": "geojson-rewind"
-      }
-    },
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-      "version": "2.0.0",
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-        "@mapbox/geojson-types": "^1.0.2",
-        "@mapbox/jsonlint-lines-primitives": "^2.0.2",
-        "@mapbox/mapbox-gl-supported": "^1.5.0",
-        "@mapbox/point-geometry": "^0.1.0",
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-        "murmurhash-js": "^1.0.0",
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-        "quickselect": "^2.0.0",
-        "rw": "^1.3.3",
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-        "tinyqueue": "^2.0.3",
-        "vt-pbf": "^3.1.1"
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-        "node": ">=6.4.0"
-      }
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-        "mouse-change": "^1.4.0",
-        "mouse-event-offset": "^3.0.2",
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-        "ndarray-linear-interpolate": "^1.0.0",
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-        "regl-scatter2d": "3.2.0",
-        "regl-splom": "^1.0.12",
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-        "robust-orientation": "^1.1.3",
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-        "strongly-connected-components": "^1.0.1",
-        "superscript-text": "^1.0.0",
-        "svg-path-sdf": "^1.1.3",
-        "tinycolor2": "^1.4.1",
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-            "array-range": "^1.0.1",
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-            "parse-rect": "^1.2.0",
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-            "update-diff": "^1.1.0"
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-                "color-rgba": "^2.1.1",
-                "dtype": "^2.0.0"
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-          "resolved": "https://registry.npmjs.org/supercluster/-/supercluster-7.1.0.tgz",
-          "integrity": "sha512-LDasImUAFMhTqhK+cUXfy9C2KTUqJ3gucLjmNLNFmKWOnDUBxLFLH9oKuXOTCLveecmxh8fbk8kgh6Q0gsfe2w==",
-          "requires": {
-            "kdbush": "^3.0.0"
-          }
-        },
-        "to-px": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/to-px/-/to-px-1.0.1.tgz",
-          "integrity": "sha1-W7rtXl1PdkRbzJA8KTojB90yRkY=",
-          "requires": {
-            "parse-unit": "^1.0.1"
-          }
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-        "topojson-client": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/topojson-client/-/topojson-client-3.1.0.tgz",
-          "integrity": "sha512-605uxS6bcYxGXw9qi62XyrV6Q3xwbndjachmNxu8HWTtVPxZfEJN9fd/SZS1Q54Sn2y0TMyMxFj/cJINqGHrKw==",
-          "requires": {
-            "commander": "2"
-          }
-        }
+        "react-day-picker": "7.4.8",
+        "react-dropzone": "10.2.2",
+        "react-plotly.js": "2.5.1",
+        "react-rangeslider": "2.2.0",
+        "react-resizable-rotatable-draggable": "0.2.0",
+        "react-select": "2.4.4",
+        "react-tabs": "3.2.1",
+        "styled-components": "5.2.1",
+        "tinycolor2": "1.4.2"
       }
     },
     "react-color": {
-      "version": "2.18.1",
-      "resolved": "https://registry.npmjs.org/react-color/-/react-color-2.18.1.tgz",
-      "integrity": "sha512-X5XpyJS6ncplZs74ak0JJoqPi+33Nzpv5RYWWxn17bslih+X7OlgmfpmGC1fNvdkK7/SGWYf1JJdn7D2n5gSuQ==",
+      "version": "2.19.3",
+      "resolved": "https://registry.npmjs.org/react-color/-/react-color-2.19.3.tgz",
+      "integrity": "sha512-LEeGE/ZzNLIsFWa1TMe8y5VYqr7bibneWmvJwm1pCn/eNmrabWDh659JSPn9BuaMpEfU83WTOJfnCcjDZwNQTA==",
       "requires": {
         "@icons/material": "^0.2.4",
-        "lodash": "^4.17.11",
+        "lodash": "^4.17.15",
+        "lodash-es": "^4.17.15",
         "material-colors": "^1.2.1",
         "prop-types": "^15.5.10",
         "reactcss": "^1.2.0",
@@ -38700,9 +38315,9 @@
       "integrity": "sha512-fBASbA6LnOU9dOU2eW7aQ8xmYBSXUIWr+UmF9b1efZBazGNO+rcXT/icdKnYm2pTwcRylVUYwW7H1PHfLekVzA=="
     },
     "react-plotly.js": {
-      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/react-plotly.js/-/react-plotly.js-2.5.0.tgz",
-      "integrity": "sha512-nzir3uf+tFO1YXVUH5lFfD2plbDuZJXKrCO88KmRVnha2/zEhZBmZO8yS6GcRnLmSrhJkfmj6GTqWWvrJDBCBQ==",
+      "version": "2.5.1",
+      "resolved": "https://registry.npmjs.org/react-plotly.js/-/react-plotly.js-2.5.1.tgz",
+      "integrity": "sha512-Oya14whSHvPsYXdI0nHOGs1pZhMzV2edV7HAW1xFHD58Y73m/LbG2Encvyz1tztL0vfjph0JNhiwO8cGBJnlhg==",
       "requires": {
         "prop-types": "^15.7.2"
       }
@@ -38736,9 +38351,9 @@
       }
     },
     "react-tabs": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/react-tabs/-/react-tabs-3.1.1.tgz",
-      "integrity": "sha512-HpySC29NN1BkzBAnOC+ajfzPbTaVZcSWzMSjk56uAhPC/rBGtli8lTysR4CfPAyEE/hfweIzagOIoJ7nu80yng==",
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/react-tabs/-/react-tabs-3.2.1.tgz",
+      "integrity": "sha512-M7ERQvJgBVLTyojFmC3G4tpaJuMmUtsnYenVQm2oA1NjDrGXq1UuzHgxhVTDwimkJcKEbzgWCybXFSHQ/+2bsA==",
       "requires": {
         "clsx": "^1.1.0",
         "prop-types": "^15.5.0"
@@ -40491,9 +40106,9 @@
       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
     },
     "sql.js": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/sql.js/-/sql.js-1.3.0.tgz",
-      "integrity": "sha512-bxrJ/9rqJ2SA6hpHnSodRjKBugZHewRvNTITTt74W1VZWmzODjdS68yQW0/J9oC0NWKylHEtV1ptkoTyOYO4Tw=="
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/sql.js/-/sql.js-1.5.0.tgz",
+      "integrity": "sha512-Qqr6HgX/hCDpLFWdN0BNoNpYQ2c1tOl1c3HGI0cshjaFSAWszKICuLZ9CyFUvRFPpEGW8RzHzwuXWWvXVGTKBg=="
     },
     "sqlite-parser": {
       "version": "1.0.1",
@@ -40832,9 +40447,9 @@
       "integrity": "sha1-CSDitN9nyOrulsa2I0/inoc9upk="
     },
     "styled-components": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/styled-components/-/styled-components-5.2.0.tgz",
-      "integrity": "sha512-9qE8Vgp8C5cpGAIdFaQVAl89Zgx1TDM4Yf4tlHbO9cPijtpSXTMLHy9lmP0lb+yImhgPFb1AmZ1qMUubmg3HLg==",
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/styled-components/-/styled-components-5.2.1.tgz",
+      "integrity": "sha512-sBdgLWrCFTKtmZm/9x7jkIabjFNVzCUeKfoQsM6R3saImkUnjx0QYdLwJHBjY9ifEcmjDamJDVfknWm1yxZPxQ==",
       "requires": {
         "@babel/helper-module-imports": "^7.0.0",
         "@babel/traverse": "^7.4.5",
@@ -41250,9 +40865,9 @@
       "dev": true
     },
     "tinycolor2": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/tinycolor2/-/tinycolor2-1.4.1.tgz",
-      "integrity": "sha1-9PrTM0R7wLB9TcjpIJ2POaisd+g="
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/tinycolor2/-/tinycolor2-1.4.2.tgz",
+      "integrity": "sha512-vJhccZPs965sV/L2sU4oRQVAos0pQXwsvTLkWYdqJ+a8Q5kPFzJTuOFwy7UniPli44NKQGAglksjvOcpo95aZA=="
     },
     "tinyqueue": {
       "version": "2.0.3",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "sqliteviz",
-  "version": "1.0.0",
+  "version": "0.13.0",
   "license": "Apache-2.0",
   "private": true,
   "scripts": {
@@ -12,15 +12,14 @@
   "dependencies": {
     "codemirror": "^5.57.0",
     "core-js": "^3.6.5",
-    "debounce": "^1.2.0",
     "nanoid": "^3.1.12",
     "papaparse": "^5.3.0",
-    "plotly.js": "^1.57.1",
+    "plotly.js": "^1.58.4",
     "promise-worker": "^2.0.1",
     "react": "^16.13.1",
-    "react-chart-editor": "^0.42.0",
+    "react-chart-editor": "^0.45.0",
     "react-dom": "^16.13.1",
-    "sql.js": "^1.3.0",
+    "sql.js": "^1.5.0",
     "sqlite-parser": "^1.0.1",
     "vue": "^2.6.11",
     "vue-codemirror": "^4.0.6",

public/manifest.webmanifest

@@ -3,6 +3,16 @@
   "description": "Sqliteviz is a single-page application for fully client-side visualisation of SQLite databases or CSV.",
   "display": "fullscreen",
   "icons": [
+    {
+      "src": "favicon.png",
+      "sizes": "32x32",
+      "type": "image/png"
+    },
+    {
+      "src": "Logo48x48.png",
+      "sizes": "48x48",
+      "type": "image/png"
+    },
     {
       "src": "Logo192x192.png",
       "sizes": "192x192",

src/App.vue

@@ -60,4 +60,7 @@ button,
 body {
   margin: 0;
 }
+.CodeMirror-hints {
+  z-index: 999 !important;
+}
 </style>

src/assets/styles/tables.css

@@ -1,5 +1,5 @@
 .rounded-bg {
-  padding: 40px 5px 5px;
+  padding: 35px 5px 5px;
   background-color: white;
   border-radius: 5px;
   position: relative;
@@ -36,7 +36,7 @@
 }
 table {
   min-width: 100%;
-  margin-top: -40px;
+  margin-top: -35px;
   border-collapse: collapse;
 }
 thead th, .fixed-header {
@@ -56,7 +56,7 @@ tbody td {
   border-right: 1px solid var(--color-border-light);
 }
 td, th, .fixed-header {
-  padding: 12px 24px;
+  padding: 8px 24px;
   white-space: nowrap;
 }
 

src/components/CsvImport/DelimiterSelector/index.vue

@@ -40,7 +40,7 @@
 </template>
 
 <script>
-import ascii from '@/ascii'
+import ascii from './ascii'
 import DropDownChevron from '@/components/svg/dropDownChevron'
 import ClearIcon from '@/components/svg/clear'
 

src/components/CsvImport/csv.js

@@ -10,7 +10,7 @@ export default {
   getResult (source) {
     const result = {}
     if (source.meta.fields) {
-      result.columns = source.meta.fields
+      result.columns = source.meta.fields.map(col => col.trim())
       result.values = source.data.map(row => {
         const resultRow = []
         result.columns.forEach(col => { resultRow.push(row[col]) })
@@ -28,6 +28,7 @@ export default {
   },
 
   parse (file, config = {}) {
+    let parsedData = null
     return new Promise((resolve, reject) => {
       const defaultConfig = {
         delimiter: '', // auto-detect
@@ -42,13 +43,22 @@ export default {
         worker: true,
         comments: false,
         step: undefined,
-        complete: results => {
+        chunk: results => {
+          if (parsedData === null) {
+            parsedData = results
+          } else {
+            parsedData.data = parsedData.data.concat(results.data)
+            parsedData.errors = parsedData.errors.concat(results.errors)
+          }
+        },
+        chunkSize: 1024 * 716,
+        complete: () => {
           const res = {
-            data: this.getResult(results),
-            delimiter: results.meta.delimiter,
+            data: this.getResult(parsedData),
+            delimiter: parsedData.meta.delimiter,
             hasErrors: false
           }
-          res.messages = results.errors.map(msg => {
+          res.messages = parsedData.errors.map(msg => {
             msg.type = msg.code === 'UndetectableDelimiter' ? 'info' : 'error'
             if (msg.type === 'error') res.hasErrors = true
             msg.hint = hintsByCode[msg.code]
@@ -63,8 +73,6 @@ export default {
         downloadRequestHeaders: undefined,
         downloadRequestBody: undefined,
         skipEmptyLines: 'greedy',
-        chunk: undefined,
-        chunkSize: undefined,
         fastMode: undefined,
         beforeFirstChunk: undefined,
         withCredentials: undefined,

src/components/CsvImport/index.vue

@@ -0,0 +1,381 @@
+<template>
+  <modal
+    :name="dialogName"
+    classes="dialog"
+    height="auto"
+    width="80%"
+    scrollable
+    :clickToClose="false"
+  >
+    <div class="dialog-header">
+      CSV import
+      <close-icon @click="cancelCsvImport" :disabled="disableDialog"/>
+    </div>
+    <div class="dialog-body">
+      <text-field
+        label="Table name"
+        v-model="tableName"
+        width="484px"
+        :disabled="disableDialog"
+        :error-msg="tableNameError"
+        id="csv-table-name"
+      />
+      <div class="chars">
+        <delimiter-selector
+          v-model="delimiter"
+          width="210px"
+          class="char-input"
+          @input="previewCsv"
+          :disabled="disableDialog"
+        />
+        <text-field
+          label="Quote char"
+          hint="The character used to quote fields."
+          v-model="quoteChar"
+          width="93px"
+          :disabled="disableDialog"
+          class="char-input"
+          id="quote-char"
+        />
+        <text-field
+          label="Escape char"
+          hint='The character used to escape the quote character within a field (e.g. "column with ""quotes"" in text").'
+          max-hint-width="242px"
+          v-model="escapeChar"
+          width="93px"
+          :disabled="disableDialog"
+          class="char-input"
+          id="escape-char"
+        />
+      </div>
+      <check-box
+        @click="header = $event"
+        :init="true"
+        label="Use first row as column headers"
+        :disabled="disableDialog"
+      />
+      <sql-table
+        v-if="previewData && (previewData.values.length > 0 || previewData.columns.length > 0)"
+        :data-set="previewData"
+        height="160"
+        class="preview-table"
+        :preview="true"
+      />
+      <div v-else class="no-data">No data</div>
+      <logs
+        class="import-csv-errors"
+        :messages="importCsvMessages"
+      />
+    </div>
+    <div class="dialog-buttons-container">
+      <button
+        class="secondary"
+        :disabled="disableDialog"
+        @click="cancelCsvImport"
+        id="csv-cancel"
+      >
+        Cancel
+      </button>
+      <button
+        v-show="!importCsvCompleted"
+        class="primary"
+        :disabled="disableDialog"
+        @click="loadFromCsv(file)"
+        id="csv-import"
+      >
+        Import
+      </button>
+      <button
+        v-show="importCsvCompleted"
+        class="primary"
+        :disabled="disableDialog"
+        @click="finish"
+        id="csv-finish"
+      >
+        Finish
+      </button>
+    </div>
+  </modal>
+</template>
+
+<script>
+import csv from './csv'
+import CloseIcon from '@/components/svg/close'
+import TextField from '@/components/TextField'
+import DelimiterSelector from './DelimiterSelector'
+import CheckBox from '@/components/CheckBox'
+import SqlTable from '@/components/SqlTable'
+import Logs from '@/components/Logs'
+import time from '@/lib/utils/time'
+import fIo from '@/lib/utils/fileIo'
+
+export default {
+  name: 'CsvImport',
+  components: {
+    CloseIcon,
+    TextField,
+    DelimiterSelector,
+    CheckBox,
+    SqlTable,
+    Logs
+  },
+  props: ['file', 'db', 'dialogName'],
+  data () {
+    return {
+      disableDialog: false,
+      tableName: '',
+      delimiter: '',
+      quoteChar: '"',
+      escapeChar: '"',
+      header: true,
+      importCsvCompleted: false,
+      importCsvMessages: [],
+      previewData: null,
+      addedTable: null,
+      tableNameError: ''
+    }
+  },
+  watch: {
+    quoteChar () {
+      this.previewCsv()
+    },
+
+    escapeChar () {
+      this.previewCsv()
+    },
+
+    header () {
+      this.previewCsv()
+    },
+    tableName: time.debounce(function () {
+      this.tableNameError = ''
+      if (!this.tableName) {
+        return
+      }
+      this.db.validateTableName(this.tableName)
+        .catch(err => {
+          this.tableNameError = err.message + '. Try another table name.'
+        })
+    }, 400)
+  },
+  methods: {
+    cancelCsvImport () {
+      if (!this.disableDialog) {
+        if (this.addedTable) {
+          this.db.execute(`DROP TABLE "${this.addedTable}"`)
+          this.db.refreshSchema()
+        }
+        this.$modal.hide(this.dialogName)
+        this.$emit('cancel')
+      }
+    },
+    reset () {
+      this.header = true
+      this.quoteChar = '"'
+      this.escapeChar = '"'
+      this.delimiter = ''
+      this.tableName = ''
+      this.disableDialog = false
+      this.importCsvCompleted = false
+      this.importCsvMessages = []
+      this.previewData = null
+      this.addedTable = null
+      this.tableNameError = ''
+    },
+    open () {
+      this.tableName = this.db.sanitizeTableName(fIo.getFileName(this.file))
+      this.$modal.show(this.dialogName)
+    },
+    async previewCsv () {
+      this.importCsvCompleted = false
+      const config = {
+        preview: 3,
+        quoteChar: this.quoteChar || '"',
+        escapeChar: this.escapeChar,
+        header: this.header,
+        delimiter: this.delimiter
+      }
+      try {
+        const start = new Date()
+        const parseResult = await csv.parse(this.file, config)
+        const end = new Date()
+        this.previewData = parseResult.data
+        this.delimiter = parseResult.delimiter
+
+        // In parseResult.messages we can get parse errors
+        this.importCsvMessages = parseResult.messages || []
+
+        if (!parseResult.hasErrors) {
+          this.importCsvMessages.push({
+            message: `Preview parsing is completed in ${time.getPeriod(start, end)}.`,
+            type: 'success'
+          })
+        }
+      } catch (err) {
+        this.importCsvMessages = [{
+          message: err,
+          type: 'error'
+        }]
+      }
+    },
+    async loadFromCsv (file) {
+      if (!this.tableName) {
+        this.tableNameError = "Table name can't be empty"
+        return
+      }
+
+      this.disableDialog = true
+      const config = {
+        quoteChar: this.quoteChar || '"',
+        escapeChar: this.escapeChar,
+        header: this.header,
+        delimiter: this.delimiter
+      }
+      const parseCsvMsg = {
+        message: 'Parsing CSV...',
+        type: 'info'
+      }
+      this.importCsvMessages.push(parseCsvMsg)
+      const parseCsvLoadingIndicator = setTimeout(() => { parseCsvMsg.type = 'loading' }, 1000)
+
+      const importMsg = {
+        message: 'Importing CSV into a SQLite database...',
+        type: 'info'
+      }
+      let importLoadingIndicator = null
+
+      const updateProgress = progress => {
+        this.$set(importMsg, 'progress', progress)
+      }
+      const progressCounterId = this.db.createProgressCounter(updateProgress)
+
+      try {
+        let start = new Date()
+        const parseResult = await csv.parse(this.file, config)
+        let end = new Date()
+
+        if (!parseResult.hasErrors) {
+          const rowCount = parseResult.data.values.length
+          let period = time.getPeriod(start, end)
+          parseCsvMsg.type = 'success'
+
+          if (parseResult.messages.length > 0) {
+            this.importCsvMessages = this.importCsvMessages.concat(parseResult.messages)
+            parseCsvMsg.message = `${rowCount} rows are parsed in ${period}.`
+          } else {
+            // Inform about csv parsing success
+            parseCsvMsg.message = `${rowCount} rows are parsed successfully in ${period}.`
+          }
+
+          // Loading indicator for csv parsing is not needed anymore
+          clearTimeout(parseCsvLoadingIndicator)
+
+          // Add info about import start
+          this.importCsvMessages.push(importMsg)
+
+          // Show import progress after 1 second
+          importLoadingIndicator = setTimeout(() => {
+            importMsg.type = 'loading'
+          }, 1000)
+
+          // Add table
+          start = new Date()
+          await this.db.addTableFromCsv(this.tableName, parseResult.data, progressCounterId)
+          end = new Date()
+
+          this.addedTable = this.tableName
+          // Inform about import success
+          period = time.getPeriod(start, end)
+          importMsg.message = `Importing CSV into a SQLite database is completed in ${period}.`
+          importMsg.type = 'success'
+
+          // Loading indicator for import is not needed anymore
+          clearTimeout(importLoadingIndicator)
+
+          this.importCsvCompleted = true
+        } else {
+          parseCsvMsg.message = 'Parsing ended with errors.'
+          parseCsvMsg.type = 'info'
+          this.importCsvMessages = this.importCsvMessages.concat(parseResult.messages)
+        }
+      } catch (err) {
+        if (parseCsvMsg.type === 'loading') {
+          parseCsvMsg.type = 'info'
+        }
+
+        if (importMsg.type === 'loading') {
+          importMsg.type = 'info'
+        }
+
+        this.importCsvMessages.push({
+          message: err,
+          type: 'error'
+        })
+      }
+
+      clearTimeout(parseCsvLoadingIndicator)
+      clearTimeout(importLoadingIndicator)
+      this.db.deleteProgressCounter(progressCounterId)
+      this.disableDialog = false
+    },
+    async finish () {
+      this.$modal.hide(this.dialogName)
+      const stmt = [
+        '/*',
+        ` * Your CSV file has been imported into ${this.addedTable} table.`,
+        ' * You can run this SQL query to make all CSV records available for charting.',
+        ' */',
+        `SELECT * FROM "${this.addedTable}"`
+      ].join('\n')
+      const tabId = await this.$store.dispatch('addTab', { query: stmt })
+      this.$store.commit('setCurrentTabId', tabId)
+      this.importCsvCompleted = false
+      this.$emit('finish')
+    }
+  }
+}
+</script>
+
+<style scoped>
+.dialog-body {
+  padding-bottom: 0;
+}
+
+.chars {
+  display: flex;
+  align-items: flex-end;
+  margin: 24px 0 20px;
+}
+.char-input {
+  margin-right: 44px;
+}
+.preview-table {
+  margin-top: 18px;
+}
+
+.import-csv-errors {
+  height: 136px;
+  margin-top: 8px;
+}
+.no-data {
+  margin-top: 32px;
+  background-color: white;
+  border-radius: 5px;
+  position: relative;
+  border: 1px solid var(--color-border-light);
+  box-sizing: border-box;
+  height: 147px;
+  font-size: 13px;
+  color: var(--color-text-base);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+/* https://github.com/euvl/vue-js-modal/issues/623 */
+>>> .vm--modal {
+  max-width: 1152px;
+  margin: auto;
+  left: 0 !important;
+}
+</style>

src/components/DbUploader.vue

@@ -1,7 +1,7 @@
 <template>
   <div class="db-uploader-container" :style="{ width }">
     <change-db-icon v-if="type === 'small'" @click.native="browse"/>
-    <div v-if="['regular', 'illustrated'].includes(type)" class="drop-area-container">
+    <div v-if="type === 'illustrated'" class="drop-area-container">
       <div
         class="drop-area"
         @dragover.prevent="state = 'dragover'"
@@ -26,7 +26,8 @@
         ref="fileImg"
         :class="{
           'swing': state === 'dragover',
-          'fly': state === 'drop'
+          'fly': state === 'dropping',
+          'hidden': state === 'dropped'
         }"
         :src="require('@/assets/images/file.png')"
       />
@@ -41,112 +42,22 @@
     <div id="error" class="error"></div>
 
     <!--Parse csv dialog  -->
-    <modal name="parse" classes="dialog" height="auto" width="60%" :clickToClose="false">
-      <div class="dialog-header">
-        Import CSV
-        <close-icon @click="cancelCsvImport" :disabled="disableDialog"/>
-      </div>
-      <div class="dialog-body">
-        <div class="chars">
-          <delimiter-selector
-            v-model="delimiter"
-            width="210px"
-            class="char-input"
-            @input="previewCSV"
-            :disabled="disableDialog"
-          />
-          <text-field
-            label="Quote char"
-            hint="The character used to quote fields."
-            v-model="quoteChar"
-            width="93px"
-            :disabled="disableDialog"
-            class="char-input"
-            id="quote-char"
-          />
-          <text-field
-            label="Escape char"
-            hint='The character used to escape the quote character within a field (e.g. "column with ""quotes"" in text").'
-            max-hint-width="242px"
-            v-model="escapeChar"
-            width="93px"
-            :disabled="disableDialog"
-            class="char-input"
-            id="escape-char"
-          />
-        </div>
-        <check-box
-          @click="header = $event"
-          :init="true"
-          label="Use first row as column headers"
-          :disabled="disableDialog"
-        />
-        <sql-table
-          v-if="previewData"
-          :data-set="previewData"
-          height="160"
-          class="preview-table"
-          :preview="true"
-        />
-        <div v-if="!previewData" class="no-data">No data</div>
-        <logs
-          class="import-csv-errors"
-          :messages="importCsvMessages"
-        />
-      </div>
-      <div class="dialog-buttons-container">
-        <button
-          class="secondary"
-          :disabled="disableDialog"
-          @click="cancelCsvImport"
-          id="csv-cancel"
-        >
-          Cancel
-        </button>
-        <button
-          v-show="!importCsvCompleted"
-          class="primary"
-          :disabled="disableDialog"
-          @click="loadFromCsv(file)"
-          id="csv-import"
-        >
-          Import
-        </button>
-        <button
-          v-show="importCsvCompleted"
-          class="primary"
-          :disabled="disableDialog"
-          @click="finish"
-          id="csv-finish"
-        >
-          Finish
-        </button>
-      </div>
-    </modal>
+    <csv-import
+      ref="addCsv"
+      :file="file"
+      :db="newDb"
+      dialog-name="importFromCsv"
+      @cancel="cancelCsvImport"
+      @finish="finish"
+    />
   </div>
 </template>
 
 <script>
-import fu from '@/file.utils'
-import csv from '@/csv'
-import CloseIcon from '@/components/svg/close'
-import TextField from '@/components/TextField'
-import DelimiterSelector from '@/components/DelimiterSelector'
-import CheckBox from '@/components/CheckBox'
-import SqlTable from '@/components/SqlTable'
-import Logs from '@/components/Logs'
+import fIo from '@/lib/utils/fileIo'
 import ChangeDbIcon from '@/components/svg/changeDb'
-import time from '@/time'
-import database from '@/database'
-
-const csvMimeTypes = [
-  'text/csv',
-  'text/x-csv',
-  'application/x-csv',
-  'application/csv',
-  'text/x-comma-separated-values',
-  'text/comma-separated-values'
-]
+import database from '@/lib/database'
+import CsvImport from '@/components/CsvImport'
 
 export default {
   name: 'DbUploader',
@@ -154,9 +65,9 @@ export default {
     type: {
       type: String,
       required: false,
-      default: 'regular',
+      default: 'small',
       validator: (value) => {
-        return ['regular', 'illustrated', 'small'].includes(value)
+        return ['illustrated', 'small'].includes(value)
       }
     },
     width: {
@@ -167,27 +78,13 @@ export default {
   },
   components: {
     ChangeDbIcon,
-    TextField,
-    DelimiterSelector,
-    CloseIcon,
-    CheckBox,
-    SqlTable,
-    Logs
+    CsvImport
   },
   data () {
     return {
       state: '',
       animationPromise: Promise.resolve(),
       file: null,
-      schema: null,
-      delimiter: '',
-      quoteChar: '"',
-      escapeChar: '"',
-      header: true,
-      previewData: null,
-      importCsvMessages: [],
-      disableDialog: false,
-      importCsvCompleted: false,
       newDb: null
     }
   },
@@ -196,206 +93,50 @@ export default {
       this.animationPromise = new Promise((resolve) => {
         this.$refs.fileImg.addEventListener('animationend', event => {
           if (event.animationName.startsWith('fly')) {
+            this.state = 'dropped'
             resolve()
           }
         })
       })
     }
   },
-  watch: {
-    quoteChar () {
-      this.previewCSV()
-    },
-
-    escapeChar () {
-      this.previewCSV()
-    },
-
-    header () {
-      this.previewCSV()
-    }
-  },
   methods: {
     cancelCsvImport () {
-      if (!this.disableDialog) {
-        this.$modal.hide('parse')
-        if (this.newDb) {
-          this.newDb.shutDown()
-          this.newDb = null
-        }
+      if (this.newDb) {
+        this.newDb.shutDown()
+        this.newDb = null
       }
     },
 
     async finish () {
       this.$store.commit('setDb', this.newDb)
-      this.$store.commit('saveSchema', this.schema)
-      if (this.importCsvCompleted) {
-        this.$modal.hide('parse')
-        const tabId = await this.$store.dispatch('addTab', { query: 'select * from csv_import' })
-        this.$store.commit('setCurrentTabId', tabId)
-      }
       if (this.$route.path !== '/editor') {
         this.$router.push('/editor')
       }
     },
 
-    async previewCSV () {
-      this.importCsvCompleted = false
-      const config = {
-        preview: 3,
-        quoteChar: this.quoteChar || '"',
-        escapeChar: this.escapeChar,
-        header: this.header,
-        delimiter: this.delimiter
-      }
-      try {
-        const start = new Date()
-        const parseResult = await csv.parse(this.file, config)
-        const end = new Date()
-        this.previewData = parseResult.data
-        this.delimiter = parseResult.delimiter
-
-        // In parseResult.messages we can get parse errors
-        this.importCsvMessages = parseResult.messages || []
-
-        if (!parseResult.hasErrors) {
-          this.importCsvMessages.push({
-            message: `Preview parsing is completed in ${time.getPeriod(start, end)}.`,
-            type: 'success'
-          })
-        }
-      } catch (err) {
-        this.importCsvMessages = [{
-          message: err,
-          type: 'error'
-        }]
-      }
-    },
-
     loadDb (file) {
-      this.newDb = database.getNewDatabase()
       return Promise.all([this.newDb.loadDb(file), this.animationPromise])
-        .then(([schema]) => {
-          this.schema = schema
-          this.finish()
-        })
-    },
-
-    async loadFromCsv (file) {
-      this.disableDialog = true
-      const config = {
-        quoteChar: this.quoteChar || '"',
-        escapeChar: this.escapeChar,
-        header: this.header,
-        delimiter: this.delimiter
-      }
-      const parseCsvMsg = {
-        message: 'Parsing CSV...',
-        type: 'info'
-      }
-      this.importCsvMessages.push(parseCsvMsg)
-      const parseCsvLoadingIndicator = setTimeout(() => { parseCsvMsg.type = 'loading' }, 1000)
-
-      const importMsg = {
-        message: 'Importing CSV into a SQLite database...',
-        type: 'info'
-      }
-      let importLoadingIndicator = null
-
-      const updateProgress = progress => {
-        this.$set(importMsg, 'progress', progress)
-      }
-      this.newDb = database.getNewDatabase()
-      const progressCounterId = this.newDb.createProgressCounter(updateProgress)
-
-      try {
-        let start = new Date()
-        const parseResult = await csv.parse(this.file, config)
-        let end = new Date()
-
-        if (!parseResult.hasErrors) {
-          const rowCount = parseResult.data.values.length
-          let period = time.getPeriod(start, end)
-          parseCsvMsg.type = 'success'
-
-          if (parseResult.messages.length > 0) {
-            this.importCsvMessages = this.importCsvMessages.concat(parseResult.messages)
-            parseCsvMsg.message = `${rowCount} rows are parsed in ${period}.`
-          } else {
-            // Inform about csv parsing success
-            parseCsvMsg.message = `${rowCount} rows are parsed successfully in ${period}.`
-          }
-
-          // Loading indicator for csv parsing is not needed anymore
-          clearTimeout(parseCsvLoadingIndicator)
-
-          // Add info about import start
-          this.importCsvMessages.push(importMsg)
-
-          // Show import progress after 1 second
-          importLoadingIndicator = setTimeout(() => {
-            importMsg.type = 'loading'
-          }, 1000)
-
-          // Create db with csv table and get schema
-          const name = file.name.replace(/\.[^.]+$/, '')
-          start = new Date()
-          this.schema = await this.newDb.createDb(name, parseResult.data, progressCounterId)
-          end = new Date()
-
-          // Inform about import success
-          period = time.getPeriod(start, end)
-          importMsg.message = `Importing CSV into a SQLite database is completed in ${period}.`
-          importMsg.type = 'success'
-
-          // Loading indicator for import is not needed anymore
-          clearTimeout(importLoadingIndicator)
-
-          this.importCsvCompleted = true
-        } else {
-          parseCsvMsg.message = 'Parsing ended with errors.'
-          parseCsvMsg.type = 'info'
-          this.importCsvMessages = this.importCsvMessages.concat(parseResult.messages)
-        }
-      } catch (err) {
-        if (parseCsvMsg.type === 'loading') {
-          parseCsvMsg.type = 'info'
-        }
-
-        if (importMsg.type === 'loading') {
-          importMsg.type = 'info'
-        }
-
-        this.importCsvMessages.push({
-          message: err,
-          type: 'error'
-        })
-      }
-
-      clearTimeout(parseCsvLoadingIndicator)
-      clearTimeout(importLoadingIndicator)
-      this.newDb.deleteProgressCounter(progressCounterId)
-      this.disableDialog = false
+        .then(this.finish)
     },
 
     async checkFile (file) {
-      this.state = 'drop'
-      if (csvMimeTypes.includes(file.type)) {
-        this.file = file
-        this.header = true
-        this.quoteChar = '"'
-        this.escapeChar = '"'
-        this.delimiter = ''
-        return Promise.all([this.previewCSV(), this.animationPromise])
-          .then(() => {
-            this.$modal.show('parse')
-          })
-      } else {
+      this.state = 'dropping'
+      this.newDb = database.getNewDatabase()
+
+      if (fIo.isDatabase(file)) {
         this.loadDb(file)
+      } else {
+        this.file = file
+        await this.$nextTick()
+        const csvImport = this.$refs.addCsv
+        csvImport.reset()
+        return Promise.all([csvImport.previewCsv(), this.animationPromise])
+          .then(csvImport.open)
       }
     },
     browse () {
-      fu.getFileFromUser('.db,.sqlite,.sqlite3,.csv')
+      fIo.getFileFromUser('.db,.sqlite,.sqlite3,.csv')
         .then(this.checkFile)
     },
 
@@ -431,6 +172,7 @@ export default {
   align-items: center;
   justify-content: center;
   height: 100%;
+  cursor: pointer;
 }
 
 #img-container {
@@ -502,42 +244,16 @@ export default {
 #file-img.fly {
   animation: fly ease-in-out 1s 1 normal;
   transform-origin: center center;
-  top: 183px;
-  left: 225px;
-  transition: top 1s ease-in-out, left 1s ease-in-out;
 }
 @keyframes fly {
-  100% { transform: rotate(360deg) scale(0.5); }
-}
-/* Parse CSV dialog */
-.chars {
-  display: flex;
-  align-items: flex-end;
-  margin-bottom: 20px;
-}
-.char-input {
-  margin-right: 44px;
-}
-.preview-table {
-  margin-top: 32px;
+  100% {
+    transform: rotate(360deg) scale(0.5);
+    top: 183px;
+    left: 225px;
+  }
 }
 
-.import-csv-errors {
-  height: 160px;
-  margin-top: 32px;
-}
-.no-data {
-  margin-top: 32px;
-  background-color: white;
-  border-radius: 5px;
-  position: relative;
-  border: 1px solid var(--color-border-light);
-  box-sizing: border-box;
-  height: 160px;
-  font-size: 13px;
-  color: var(--color-text-base);
-  display: flex;
-  justify-content: center;
-  align-items: center;
+#file-img.hidden {
+  display: none;
 }
 </style>

src/components/LoadingIndicator.vue

@@ -1,17 +1,18 @@
 <template>
-  <svg :class="animationClass" height="20" width="20" viewBox="0 0 20 20">
+  <svg :class="animationClass" :height="size" :width="size" :viewBox="`0 0 ${size} ${size}`">
     <circle
       class="loader-svg bg"
-      cx="10"
-      cy="10"
-      r="8"
+      :style="{ strokeWidth }"
+      :cx="size / 2"
+      :cy="size / 2"
+      :r="radius"
     />
     <circle
       class="loader-svg front"
-      :style="{ strokeDasharray: circleProgress }"
-      cx="10"
-      cy="10"
-      r="8"
+      :style="{ strokeDasharray: circleProgress, strokeDashoffset: offset, strokeWidth }"
+      :cx="size / 2"
+      :cy="size / 2"
+      :r="radius"
     />
   </svg>
 </template>
@@ -19,15 +20,35 @@
 <script>
 export default {
   name: 'LoadingIndicator',
-  props: ['progress'],
+  props: {
+    progress: {
+      type: Number,
+      required: false
+    },
+    size: {
+      type: Number,
+      required: false,
+      default: 20
+    }
+  },
   computed: {
     circleProgress () {
-      const dash = (50.24 * this.progress) / 100
-      const space = 50.24 - dash
+      const circle = this.radius * 3.14 * 2
+      const dash = this.progress ? (circle * this.progress) / 100 : circle * 1 / 3
+      const space = circle - dash
       return `${dash}px, ${space}px`
     },
     animationClass () {
       return this.progress === undefined ? 'loading' : 'progress'
+    },
+    radius () {
+      return this.size / 2 - this.strokeWidth
+    },
+    offset () {
+      return this.radius * 3.14 / 2
+    },
+    strokeWidth () {
+      return this.size / 10
     }
   }
 }
@@ -38,7 +59,6 @@ export default {
   position: absolute;
   left: 0; right: 0; top: 0; bottom: 0;
   fill: none;
-  stroke-width: 2px;
   stroke-linecap: round;
   stroke: var(--color-accent);
 }
@@ -48,27 +68,30 @@ export default {
 }
 
 .loading .loader-svg.front {
-  stroke-dasharray: 40.24px;
+  will-change: transform;
   animation: fill-animation-loading 1s cubic-bezier(1,1,1,1) 0s infinite;
+  transform-origin: center;
 }
 
+/*
+  We can't change anything in loading animation except transform, opacity and filter. Because in
+  our case the Main Thread can be busy and animation will be frozen (e. g. getting a result set
+  from the web-worker after query execution).
+  But transform, opacity and filter trigger changes only in the Composite Layer stage in rendering
+  waterfall. Hence they can be processed only with Compositor Thread while the Main Thread
+  processes something else.
+  https://www.viget.com/articles/animation-performance-101-browser-under-the-hood/
+*/
 @keyframes fill-animation-loading {
   0% {
-    stroke-dasharray: 10px 40.24px;
-    stroke-dashoffset: 0;
-  }
-  50% {
-    stroke-dasharray: 25.12px;
-    stroke-dashoffset: 25.12px;
+    transform: rotate(0deg);
   }
   100% {
-    stroke-dasharray: 10px 40.24px;
-    stroke-dashoffset: 50.24px;
+    transform: rotate(360deg);
   }
 }
 
 .progress .loader-svg.front {
-  stroke-dashoffset: 12.56;
   transition: stroke-dasharray 0.2s;
 }
 

src/components/Logs.vue

@@ -63,14 +63,16 @@ export default {
   border-radius: 5px;
   border: 1px solid var(--color-border-light);
   box-sizing: border-box;
-  overflow-y: scroll;
+  overflow-y: auto;
+  color: var(--color-text-base);
 }
 .msg {
-  padding: 16px 7px;
+  padding: 12px 7px;
   border-bottom: 1px solid var(--color-border-light);
   display: flex;
   align-items: flex-start;
   font-family: monospace;
+  font-size: 13px;
 }
 
 .msg:last-child {

src/components/Splitpanes/index.vue

@@ -65,7 +65,7 @@
 </template>
 
 <script>
-import splitter from '@/splitter'
+import splitter from './splitter'
 
 export default {
   name: 'Splitpanes',

src/components/SqlTable/index.vue

@@ -41,6 +41,7 @@
       <div class="table-footer-count">
         {{ dataSet.values.length}} {{dataSet.values.length === 1 ? 'row' : 'rows'}} retrieved
         <span v-if="preview">for preview</span>
+        <span v-if="time">in {{ time }}</span>
       </div>
       <pager v-show="pageCount > 1" :page-count="pageCount" v-model="currentPage" />
     </div>
@@ -48,12 +49,12 @@
 </template>
 
 <script>
-import Pager from '@/components/Pager'
+import Pager from './Pager'
 
 export default {
   name: 'SqlTable',
   components: { Pager },
-  props: ['dataSet', 'height', 'preview'],
+  props: ['dataSet', 'time', 'height', 'preview'],
   data () {
     return {
       header: null,

src/components/TextField.vue

@@ -87,4 +87,7 @@ input.error {
   margin-top: 2px;
   position: absolute;
 }
+.text-field-error:first-letter {
+  text-transform: uppercase;
+}
 </style>

src/components/svg/addTable.vue

@@ -0,0 +1,61 @@
+<template>
+  <span>
+    <svg
+      class="icon"
+      width="18"
+      height="18"
+      viewBox="0 0 18 18"
+      fill="none"
+      @click.stop="$emit('click')"
+      @mouseover="showTooltip"
+      @mouseout="hideTooltip"
+    >
+      <g clip-path="url(#clip0)">
+        <path
+          fill-rule="evenodd"
+          clip-rule="evenodd"
+          d="
+            M13.6573 1.5H2.59985C1.77485 1.5 1.09985 2.175 1.09985 3V13.6649C1.09985 14.4899
+            1.77485 15.1649 2.59985
+            15.1649H9.84V13.6649H8.87866V9.08244H13.6573V9.83777H15.1573V3C15.1573
+            2.17 14.4873 1.5 13.6573 1.5ZM13.6573
+            7.58244V3H8.87866V7.58244H13.6573ZM7.37866 3H2.59985V7.58244H7.37866V3ZM2.59985
+            9.08244V13.6649H7.37866V9.08244H2.59985ZM13.1702
+            10.8434H15.6702V13.1717H18.0001V15.6717H15.6702V18H13.1702V15.6717H10.8401V13.1717H13.1702V10.8434Z
+          "
+          fill="#A2B1C6"
+        />
+      </g>
+      <defs>
+        <clipPath id="clip0">
+          <rect width="18" height="18" fill="white"/>
+        </clipPath>
+      </defs>
+    </svg>
+    <span class="icon-tooltip" :style="tooltipStyle">
+      Add new table from CSV
+    </span>
+  </span>
+</template>
+
+<script>
+import tooltipMixin from '@/tooltipMixin'
+
+export default {
+  name: 'AddTableIcon',
+  mixins: [tooltipMixin],
+  props: ['tooltip']
+}
+</script>
+
+<style scoped>
+.icon {
+  display: block;
+  margin: 0;
+  cursor: pointer;
+}
+
+.icon:hover path {
+  fill: var(--color-accent);
+}
+</style>

src/components/svg/changeDb.vue

@@ -16,13 +16,13 @@
     />
   </svg>
   <span class="icon-tooltip" :style="tooltipStyle">
-    Change database
+    Load another database or CSV
   </span>
 </div>
 </template>
 
 <script>
-import tooltipMixin from '@/mixins/tooltips'
+import tooltipMixin from '@/tooltipMixin'
 
 export default {
   name: 'changeDbIcon',

src/components/svg/export.vue

@@ -23,7 +23,7 @@
 </template>
 
 <script>
-import tooltipMixin from '@/mixins/tooltips'
+import tooltipMixin from '@/tooltipMixin'
 
 export default {
   name: 'ExportIcon',

src/components/svg/hint.vue

@@ -20,7 +20,7 @@
 </template>
 
 <script>
-import tooltipMixin from '@/mixins/tooltips'
+import tooltipMixin from '@/tooltipMixin'
 
 export default {
   name: 'HintIcon',

src/db.utils.js

@@ -1,44 +0,0 @@
-export default {
-  * generateChunks (arr, size) {
-    const count = Math.ceil(arr.length / size)
-
-    for (let i = 0; i <= count - 1; i++) {
-      const start = size * i
-      const end = start + size
-      yield arr.slice(start, end)
-    }
-  },
-
-  getInsertStmt (columns) {
-    const colList = `"${columns.join('", "')}"`
-    const params = columns.map(() => '?').join(', ')
-    return `INSERT INTO csv_import (${colList}) VALUES (${params});`
-  },
-
-  getCreateStatement (columns, values) {
-    let result = 'CREATE table csv_import('
-    columns.forEach((col, index) => {
-    // Get the first row of values to determine types
-      const value = values[0][index]
-      let type = ''
-      switch (typeof value) {
-        case 'number': {
-          type = 'REAL'
-          break
-        }
-        case 'boolean': {
-          type = 'INTEGER'
-          break
-        }
-        case 'string': {
-          type = 'TEXT'
-          break
-        }
-        default: type = 'TEXT'
-      }
-      result += `"${col}" ${type}, `
-    })
-    result = result.replace(/,\s$/, ');')
-    return result
-  }
-}

src/lib/database/_sql.js

@@ -1,5 +1,5 @@
 import initSqlJs from 'sql.js/dist/sql-wasm.js'
-import dbUtils from '@/db.utils'
+import dbUtils from './_statements'
 
 let SQL = null
 const sqlModuleReady = initSqlJs().then(sqlModule => { SQL = sqlModule })
@@ -39,13 +39,15 @@ export default class Sql {
     return this.db.exec(sql, params)
   }
 
-  import (columns, values, progressCounterId, progressCallback, chunkSize = 1500) {
-    this.createDb()
-    this.db.exec(dbUtils.getCreateStatement(columns, values))
+  import (tabName, columns, values, progressCounterId, progressCallback, chunkSize = 1500) {
+    if (this.db === null) {
+      this.createDb()
+    }
+    this.db.exec(dbUtils.getCreateStatement(tabName, columns, values))
     const chunks = dbUtils.generateChunks(values, chunkSize)
     const chunksAmount = Math.ceil(values.length / chunkSize)
     let count = 0
-    const insertStr = dbUtils.getInsertStmt(columns)
+    const insertStr = dbUtils.getInsertStmt(tabName, columns)
     const insertStmt = this.db.prepare(insertStr)
 
     progressCallback({ progress: 0, id: progressCounterId })

src/lib/database/_statements.js

@@ -0,0 +1,90 @@
+import sqliteParser from 'sqlite-parser'
+
+export default {
+  * generateChunks (arr, size) {
+    const count = Math.ceil(arr.length / size)
+
+    for (let i = 0; i <= count - 1; i++) {
+      const start = size * i
+      const end = start + size
+      yield arr.slice(start, end)
+    }
+  },
+
+  getInsertStmt (tabName, columns) {
+    const colList = `"${columns.join('", "')}"`
+    const params = columns.map(() => '?').join(', ')
+    return `INSERT INTO "${tabName}" (${colList}) VALUES (${params});`
+  },
+
+  getCreateStatement (tabName, columns, values) {
+    let result = `CREATE table "${tabName}"(`
+    columns.forEach((col, index) => {
+    // Get the first row of values to determine types
+      const value = values[0][index]
+      let type = ''
+      switch (typeof value) {
+        case 'number': {
+          type = 'REAL'
+          break
+        }
+        case 'boolean': {
+          type = 'INTEGER'
+          break
+        }
+        case 'string': {
+          type = 'TEXT'
+          break
+        }
+        default: type = 'TEXT'
+      }
+      result += `"${col}" ${type}, `
+    })
+    result = result.replace(/,\s$/, ');')
+    return result
+  },
+
+  getAst (sql) {
+    // There is a bug is sqlite-parser
+    // It throws an error if tokenizer has an arguments:
+    // https://github.com/codeschool/sqlite-parser/issues/59
+    const fixedSql = sql
+      .replace(/(tokenize=[^,]+)"tokenchars=.+?"/, '$1')
+      .replace(/(tokenize=[^,]+)"remove_diacritics=.+?"/, '$1')
+      .replace(/(tokenize=[^,]+)"separators=.+?"/, '$1')
+      .replace(/tokenize=.+?(,|\))/, 'tokenize=unicode61$1')
+
+    return sqliteParser(fixedSql)
+  },
+
+  /*
+   * Return an array of columns with name and type. E.g.:
+   * [
+   *   { name: 'id',    type: 'INTEGER' },
+   *   { name: 'title', type: 'NVARCHAR(30)' },
+   * ]
+  */
+  getColumns (sql) {
+    const columns = []
+    const ast = this.getAst(sql)
+
+    const columnDefinition = ast.statement[0].format === 'table'
+      ? ast.statement[0].definition
+      : ast.statement[0].result.args.expression // virtual table
+
+    columnDefinition.forEach(item => {
+      if (item.variant === 'column' && ['identifier', 'definition'].includes(item.type)) {
+        let type = item.datatype ? item.datatype.variant : 'N/A'
+        if (item.datatype && item.datatype.args) {
+          type = type + '(' + item.datatype.args.expression[0].value
+          if (item.datatype.args.expression.length === 2) {
+            type = type + ', ' + item.datatype.args.expression[1].value
+          }
+          type = type + ')'
+        }
+        columns.push({ name: item.name, type: type })
+      }
+    })
+    return columns
+  }
+}

src/lib/database/_worker.js

@@ -1,5 +1,5 @@
 import registerPromiseWorker from 'promise-worker/register'
-import Sql from '@/sql'
+import Sql from './_sql'
 
 const sqlReady = Sql.build()
 
@@ -8,10 +8,18 @@ function processMsg (sql) {
   switch (data && data.action) {
     case 'open':
       return sql.open(data.buffer)
+    case 'reopen':
+      return sql.open(sql.export())
     case 'exec':
       return sql.exec(data.sql, data.params)
     case 'import':
-      return sql.import(data.columns, data.values, data.progressCounterId, postMessage)
+      return sql.import(
+        data.tabName,
+        data.columns,
+        data.values,
+        data.progressCounterId,
+        postMessage
+      )
     case 'export':
       return sql.export()
     case 'close':

src/lib/database/index.js

@@ -1,8 +1,8 @@
-import sqliteParser from 'sqlite-parser'
-import fu from '@/file.utils'
+import stms from './_statements'
+import fu from '@/lib/utils/fileIo'
 // We can import workers like so because of worker-loader:
 // https://webpack.js.org/loaders/worker-loader/
-import Worker from '@/db.worker.js'
+import Worker from './_worker.js'
 
 // Use promise-worker in order to turn worker into the promise based one:
 // https://github.com/nolanlawson/promise-worker
@@ -20,6 +20,8 @@ export default {
 let progressCounterIds = 0
 class Database {
   constructor (worker) {
+    this.dbName = null
+    this.schema = null
     this.worker = worker
     this.pw = new PromiseWorker(worker)
 
@@ -50,33 +52,35 @@ class Database {
     delete this.importProgresses[id]
   }
 
-  async createDb (name, data, progressCounterId) {
+  async addTableFromCsv (tabName, data, progressCounterId) {
     const result = await this.pw.postMessage({
       action: 'import',
       columns: data.columns,
       values: data.values,
-      progressCounterId
+      progressCounterId,
+      tabName
     })
 
     if (result.error) {
       throw new Error(result.error)
     }
-
-    return await this.getSchema(name)
+    this.dbName = this.dbName || 'database'
+    this.refreshSchema()
   }
 
   async loadDb (file) {
-    const fileContent = await fu.readAsArrayBuffer(file)
+    const fileContent = file ? await fu.readAsArrayBuffer(file) : null
     const res = await this.pw.postMessage({ action: 'open', buffer: fileContent })
 
     if (res.error) {
       throw new Error(res.error)
     }
 
-    return this.getSchema(file.name.replace(/\.[^.]+$/, ''))
+    this.dbName = file ? fu.getFileName(file) : 'database'
+    this.refreshSchema()
   }
 
-  async getSchema (name) {
+  async refreshSchema () {
     const getSchemaSql = `
       SELECT name, sql
       FROM sqlite_master
@@ -85,21 +89,21 @@ class Database {
     const result = await this.execute(getSchemaSql)
     // Parse DDL statements to get column names and types
     const parsedSchema = []
-    result.values.forEach(item => {
-      parsedSchema.push({
-        name: item[0],
-        columns: getColumns(item[1])
+    if (result && result.values) {
+      result.values.forEach(item => {
+        parsedSchema.push({
+          name: item[0],
+          columns: stms.getColumns(item[1])
+        })
       })
-    })
-
-    // Return db name and schema
-    return {
-      dbName: name,
-      schema: parsedSchema
     }
+
+    // Refresh schema
+    this.schema = parsedSchema
   }
 
   async execute (commands) {
+    await this.pw.postMessage({ action: 'reopen' })
     const results = await this.pw.postMessage({ action: 'exec', sql: commands })
 
     if (results.error) {
@@ -117,48 +121,27 @@ class Database {
     }
     fu.exportToFile(data, fileName)
   }
-}
 
-function getAst (sql) {
-  // There is a bug is sqlite-parser
-  // It throws an error if tokenizer has an arguments:
-  // https://github.com/codeschool/sqlite-parser/issues/59
-  const fixedSql = sql
-    .replace(/(?<=tokenize=.+)"tokenchars=.+"/, '')
-    .replace(/(?<=tokenize=.+)"remove_diacritics=.+"/, '')
-    .replace(/(?<=tokenize=.+)"separators=.+"/, '')
-    .replace(/tokenize=.+(?=(,|\)))/, 'tokenize=unicode61')
-
-  return sqliteParser(fixedSql)
-}
-
-/*
- * Return an array of columns with name and type. E.g.:
- * [
- *   { name: 'id',    type: 'INTEGER' },
- *   { name: 'title', type: 'NVARCHAR(30)' },
- * ]
-*/
-function getColumns (sql) {
-  const columns = []
-  const ast = getAst(sql)
-
-  const columnDefinition = ast.statement[0].format === 'table'
-    ? ast.statement[0].definition
-    : ast.statement[0].result.args.expression // virtual table
-
-  columnDefinition.forEach(item => {
-    if (item.variant === 'column' && ['identifier', 'definition'].includes(item.type)) {
-      let type = item.datatype ? item.datatype.variant : 'N/A'
-      if (item.datatype && item.datatype.args) {
-        type = type + '(' + item.datatype.args.expression[0].value
-        if (item.datatype.args.expression.length === 2) {
-          type = type + ', ' + item.datatype.args.expression[1].value
-        }
-        type = type + ')'
-      }
-      columns.push({ name: item.name, type: type })
+  async validateTableName (name) {
+    if (name.startsWith('sqlite_')) {
+      throw new Error("Table name can't start with sqlite_")
     }
-  })
-  return columns
+
+    if (/[^\w]/.test(name)) {
+      throw new Error('Table name can contain only letters, digits and underscores')
+    }
+
+    if (/^(\d)/.test(name)) {
+      throw new Error("Table name can't start with a digit")
+    }
+
+    await this.execute(`BEGIN; CREATE TABLE "${name}"(id); ROLLBACK;`)
+  }
+
+  sanitizeTableName (tabName) {
+    return tabName
+      .replace(/[^\w]/g, '_') // replace everything that is not letter, digit or _  with _
+      .replace(/^(\d)/, '_$1') // add _ at beginning if starts with digit
+      .replace(/_{2,}/g, '_') // replace multiple _ with one _
+  }
 }

src/lib/storedQueries.js

@@ -1,5 +1,5 @@
 import { nanoid } from 'nanoid'
-import fu from '@/file.utils'
+import fu from '@/lib/utils/fileIo'
 
 export default {
   getStoredQueries () {

src/lib/utils/fileIo.js

@@ -1,4 +1,15 @@
 export default {
+  isDatabase (file) {
+    const dbTypes = ['application/vnd.sqlite3', 'application/x-sqlite3']
+    return file.type
+      ? dbTypes.includes(file.type)
+      : /\.(db|sqlite(3)?)+$/.test(file.name)
+  },
+
+  getFileName (file) {
+    return file.name.replace(/\.[^.]+$/, '')
+  },
+
   exportToFile (str, fileName, type = 'octet/stream') {
     // Create downloader
     const downloader = document.createElement('a')

src/lib/utils/time.js

@@ -0,0 +1,15 @@
+export default {
+  getPeriod (start, end) {
+    const diff = end.getTime() - start.getTime()
+    const seconds = diff / 1000
+    return seconds.toFixed(3) + 's'
+  },
+
+  debounce (func, ms) {
+    let timeout
+    return function () {
+      clearTimeout(timeout)
+      timeout = setTimeout(() => func.apply(this, arguments), ms)
+    }
+  }
+}

src/main.js

@@ -1,7 +1,7 @@
 import Vue from 'vue'
-import App from './App.vue'
-import router from './router'
-import store from './store'
+import App from '@/App.vue'
+import router from '@/router'
+import store from '@/store'
 import { VuePlugin } from 'vuera'
 import VModal from 'vue-js-modal'
 
@@ -13,7 +13,7 @@ import '@/assets/styles/tooltips.css'
 import '@/assets/styles/messages.css'
 
 if (!['localhost', '127.0.0.1'].includes(location.hostname)) {
-  import('../registerServiceWorker') // eslint-disable-line no-unused-expressions
+  import('./registerServiceWorker') // eslint-disable-line no-unused-expressions
 }
 
 Vue.use(VuePlugin)

src/registerServiceWorker.js

@@ -13,7 +13,7 @@ function invokeServiceWorkerUpdateFlow (registration) {
 
 if ('serviceWorker' in navigator) {
   window.addEventListener('load', async () => {
-    const registration = await navigator.serviceWorker.register('/service-worker.js')
+    const registration = await navigator.serviceWorker.register('service-worker.js')
     // ensure the case when the updatefound event was missed is also handled
     // by re-invoking the prompt when there's a waiting Service Worker
     if (registration.waiting) {

src/router.js

@@ -0,0 +1,50 @@
+import Vue from 'vue'
+import VueRouter from 'vue-router'
+import Editor from '@/views/Main/Editor'
+import MyQueries from '@/views/Main/MyQueries'
+import Welcome from '@/views/Welcome'
+import Main from '@/views/Main'
+import store from '@/store'
+import database from '@/lib/database'
+
+Vue.use(VueRouter)
+
+const routes = [
+  {
+    path: '/',
+    name: 'Welcome',
+    component: Welcome
+  },
+  {
+    path: '/',
+    name: 'Main',
+    component: Main,
+    children: [
+      {
+        path: '/editor',
+        name: 'Editor',
+        component: Editor
+      },
+      {
+        path: '/my-queries',
+        name: 'MyQueries',
+        component: MyQueries
+      }
+    ]
+  }
+]
+
+const router = new VueRouter({
+  routes
+})
+
+router.beforeEach(async (to, from, next) => {
+  if (!store.state.db) {
+    const newDb = database.getNewDatabase()
+    await newDb.loadDb()
+    store.commit('setDb', newDb)
+  }
+  next()
+})
+
+export default router

src/router/index.js

@@ -1,39 +0,0 @@
-import Vue from 'vue'
-import VueRouter from 'vue-router'
-import Editor from '@/views/Editor'
-import MyQueries from '@/views/MyQueries'
-import Home from '@/views/Home'
-import MainView from '@/views/MainView'
-
-Vue.use(VueRouter)
-
-const routes = [
-  {
-    path: '/',
-    name: 'Welcome',
-    component: Home
-  },
-  {
-    path: '/',
-    name: 'MainView',
-    component: MainView,
-    children: [
-      {
-        path: '/editor',
-        name: 'Editor',
-        component: Editor
-      },
-      {
-        path: '/my-queries',
-        name: 'MyQueries',
-        component: MyQueries
-      }
-    ]
-  }
-]
-
-const router = new VueRouter({
-  routes
-})
-
-export default router

src/store/actions.js

@@ -0,0 +1,30 @@
+import { nanoid } from 'nanoid'
+
+export default {
+  async addTab ({ state }, data) {
+    const tab = data ? JSON.parse(JSON.stringify(data)) : {}
+    // If no data then create a new blank one...
+    // No data.id means to create new tab, but not blank,
+    // e.g. with 'select * from csv_import' query after csv import
+    if (!data || !data.id) {
+      tab.id = nanoid()
+      tab.name = null
+      tab.tempName = state.untitledLastIndex
+        ? `Untitled ${state.untitledLastIndex}`
+        : 'Untitled'
+      tab.isUnsaved = true
+    } else {
+      tab.isUnsaved = false
+    }
+
+    // add new tab only if was not already opened
+    if (!state.tabs.some(openedTab => openedTab.id === tab.id)) {
+      state.tabs.push(tab)
+      if (!tab.name) {
+        state.untitledLastIndex += 1
+      }
+    }
+
+    return tab.id
+  }
+}

src/store/index.js

@@ -1,112 +1,11 @@
 import Vue from 'vue'
 import Vuex from 'vuex'
-import { nanoid } from 'nanoid'
+import state from '@/store/state'
+import mutations from '@/store/mutations'
+import actions from '@/store/actions'
 
 Vue.use(Vuex)
 
-export const state = {
-  schema: null,
-  dbFile: null,
-  dbName: null,
-  tabs: [],
-  currentTab: null,
-  currentTabId: null,
-  untitledLastIndex: 0,
-  predefinedQueries: [],
-  db: null
-}
-
-export const mutations = {
-  setDb (state, db) {
-    if (state.db) {
-      state.db.shutDown()
-    }
-    state.db = db
-  },
-  saveSchema (state, { dbName, schema }) {
-    state.dbName = dbName
-    state.schema = schema
-  },
-
-  updateTab (state, { index, name, id, query, chart, isUnsaved }) {
-    const tab = state.tabs[index]
-    const oldId = tab.id
-
-    if (id && state.currentTabId === oldId) {
-      state.currentTabId = id
-    }
-
-    if (id) { tab.id = id }
-    if (name) { tab.name = name }
-    if (query) { tab.query = query }
-    if (chart) { tab.chart = chart }
-    if (isUnsaved !== undefined) { tab.isUnsaved = isUnsaved }
-    if (!isUnsaved) {
-      // Saved query is not predefined
-      delete tab.isPredefined
-    }
-
-    Vue.set(state.tabs, index, tab)
-  },
-  deleteTab (state, index) {
-    // If closing tab is the current opened
-    if (state.tabs[index].id === state.currentTabId) {
-      if (index < state.tabs.length - 1) {
-        state.currentTabId = state.tabs[index + 1].id
-      } else if (index > 0) {
-        state.currentTabId = state.tabs[index - 1].id
-      } else {
-        state.currentTabId = null
-        state.currentTab = null
-        state.untitledLastIndex = 0
-      }
-    }
-    state.tabs.splice(index, 1)
-  },
-  setCurrentTabId (state, id) {
-    state.currentTabId = id
-  },
-  setCurrentTab (state, tab) {
-    state.currentTab = tab
-  },
-  updatePredefinedQueries (state, queries) {
-    if (Array.isArray(queries)) {
-      state.predefinedQueries = queries
-    } else {
-      state.predefinedQueries = [queries]
-    }
-  }
-}
-
-export const actions = {
-  async addTab ({ state }, data) {
-    const tab = data ? JSON.parse(JSON.stringify(data)) : {}
-    // If no data then create a new blank one...
-    // No data.id means to create new tab, but not blank,
-    // e.g. with 'select * from csv_import' query after csv import
-    if (!data || !data.id) {
-      tab.id = nanoid()
-      tab.name = null
-      tab.tempName = state.untitledLastIndex
-        ? `Untitled ${state.untitledLastIndex}`
-        : 'Untitled'
-      tab.isUnsaved = true
-    } else {
-      tab.isUnsaved = false
-    }
-
-    // add new tab only if was not already opened
-    if (!state.tabs.some(openedTab => openedTab.id === tab.id)) {
-      state.tabs.push(tab)
-      if (!tab.name) {
-        state.untitledLastIndex += 1
-      }
-    }
-
-    return tab.id
-  }
-}
-
 export default new Vuex.Store({
   state,
   mutations,

src/store/mutations.js

@@ -0,0 +1,59 @@
+import Vue from 'vue'
+
+export default {
+  setDb (state, db) {
+    if (state.db) {
+      state.db.shutDown()
+    }
+    state.db = db
+  },
+
+  updateTab (state, { index, name, id, query, chart, isUnsaved }) {
+    const tab = state.tabs[index]
+    const oldId = tab.id
+
+    if (id && state.currentTabId === oldId) {
+      state.currentTabId = id
+    }
+
+    if (id) { tab.id = id }
+    if (name) { tab.name = name }
+    if (query) { tab.query = query }
+    if (chart) { tab.chart = chart }
+    if (isUnsaved !== undefined) { tab.isUnsaved = isUnsaved }
+    if (!isUnsaved) {
+      // Saved query is not predefined
+      delete tab.isPredefined
+    }
+
+    Vue.set(state.tabs, index, tab)
+  },
+  deleteTab (state, index) {
+    // If closing tab is the current opened
+    if (state.tabs[index].id === state.currentTabId) {
+      if (index < state.tabs.length - 1) {
+        state.currentTabId = state.tabs[index + 1].id
+      } else if (index > 0) {
+        state.currentTabId = state.tabs[index - 1].id
+      } else {
+        state.currentTabId = null
+        state.currentTab = null
+        state.untitledLastIndex = 0
+      }
+    }
+    state.tabs.splice(index, 1)
+  },
+  setCurrentTabId (state, id) {
+    state.currentTabId = id
+  },
+  setCurrentTab (state, tab) {
+    state.currentTab = tab
+  },
+  updatePredefinedQueries (state, queries) {
+    if (Array.isArray(queries)) {
+      state.predefinedQueries = queries
+    } else {
+      state.predefinedQueries = [queries]
+    }
+  }
+}

src/store/state.js

@@ -0,0 +1,8 @@
+export default {
+  tabs: [],
+  currentTab: null,
+  currentTabId: null,
+  untitledLastIndex: 0,
+  predefinedQueries: [],
+  db: null
+}

src/time.js

@@ -1,36 +0,0 @@
-export default {
-  getPeriod (start, end) {
-    let diff = end.getTime() - start.getTime()
-    let result = ''
-
-    const days = Math.floor(diff / (1000 * 60 * 60 * 24))
-    diff -= days * (1000 * 60 * 60 * 24)
-    if (days) {
-      result += days + ' d '
-    }
-
-    const hours = Math.floor(diff / (1000 * 60 * 60))
-    diff -= hours * (1000 * 60 * 60)
-    if (hours) {
-      result += hours + ' h '
-    }
-
-    const mins = Math.floor(diff / (1000 * 60))
-    diff -= mins * (1000 * 60)
-    if (mins) {
-      result += mins + ' m '
-    }
-
-    const seconds = Math.floor(diff / (1000))
-    diff -= seconds * (1000)
-    if (seconds) {
-      result += seconds + ' s '
-    }
-
-    if (diff) {
-      result += diff + ' ms '
-    }
-
-    return result.replace(/\s$/, '')
-  }
-}

src/views/Editor.vue

@@ -1,74 +0,0 @@
-<template>
-  <div>
-    <splitpanes
-      class="schema-tabs-splitter"
-      :before="{ size: 20, max: 30 }"
-      :after="{ size: 80, max: 100 }"
-    >
-      <template #left-pane>
-        <schema v-if="$store.state.schema"/>
-        <div v-else id="empty-schema-container">
-          <div class="warning">
-            Database is not loaded. Queries can’t be run without database.
-          </div>
-          <db-uploader id="db-uploader" width="100%"/>
-        </div>
-      </template>
-      <template #right-pane>
-        <tabs />
-      </template>
-    </splitpanes>
-  </div>
-</template>
-
-<script>
-import Splitpanes from '@/components/Splitpanes'
-import Schema from '@/components/Schema'
-import Tabs from '@/components/Tabs'
-import DbUploader from '@/components/DbUploader'
-
-export default {
-  name: 'Editor',
-  components: {
-    Schema,
-    Splitpanes,
-    Tabs,
-    DbUploader
-  }
-}
-</script>
-
-<style scoped>
-.schema-tabs-splitter {
-  height: 100%;
-  background-color: var(--color-white);
-}
-#empty-schema-container {
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  min-width: 200px;
-  height: 100%;
-}
-
-#db-uploader {
-  flex-grow: 1;
-  padding: 24px;
-  width: 100%;
-  box-sizing: border-box;
-}
-
-.warning {
-  padding: 12px 24px;
-  width: 100%;
-  box-sizing: border-box;
-}
-
->>>.drop-area {
-  padding: 0 15px;
-}
-
->>>.drop-area .text {
-  max-width: 200px;
-}
-</style>

src/views/Main/AppDiagnosticInfo.vue

@@ -0,0 +1,90 @@
+<template>
+  <div id="app-info-container">
+    <img
+      id="app-info-icon"
+      :src="require('@/assets/images/info.svg')"
+      @click="$modal.show('app-info')"
+    />
+    <modal name="app-info" classes="dialog" height="auto" width="400px">
+      <div class="dialog-header">
+        App info
+        <close-icon @click="$modal.hide('app-info')"/>
+      </div>
+      <div class="dialog-body">
+        <div v-for="(item, index) in info" :key="index" class="info-item">
+          {{item.name}}
+          <div class="divider"/>
+          <div class="options">
+            <div v-for="(opt, index) in item.info" :key="index">
+              {{opt}}
+            </div>
+          </div>
+        </div>
+      </div>
+    </modal>
+  </div>
+</template>
+
+<script>
+import CloseIcon from '@/components/svg/close'
+
+export default {
+  name: 'AppDiagnosticInfo',
+  components: { CloseIcon },
+  data () {
+    return {
+      info: [
+        {
+          name: 'sqliteviz version',
+          info: [require('../../../package.json').version]
+        }
+      ]
+    }
+  },
+
+  async created () {
+    const state = this.$store.state
+    let result = await state.db.execute('select sqlite_version()')
+    this.info.push({
+      name: 'SQLite version',
+      info: result.values[0]
+    })
+
+    result = await state.db.execute('PRAGMA compile_options')
+    this.info.push({
+      name: 'SQLite compile options',
+      info: result.values.map(row => row[0])
+    })
+  }
+}
+</script>
+
+<style scoped>
+#app-info-icon {
+  cursor: pointer;
+}
+#app-info-container {
+  display: flex;
+  justify-content: center;
+  margin-left: 32px;
+}
+.divider {
+  height: 1px;
+  background-color: var(--color-border);
+  margin: 4px 0;
+}
+.options {
+  font-family: monospace;
+  font-size: 13px;
+  margin-left: 8px;
+  overflow: auto;
+  max-height: 170px;
+}
+.info-item {
+  margin-bottom: 32px;
+   font-size: 14px;
+}
+.info-item:last-child {
+  margin-bottom: 0;
+}
+</style>

src/views/Main/Editor/Schema/index.vue

@@ -5,11 +5,12 @@
     </div>
     <div id="db">
       <div @click="schemaVisible = !schemaVisible" class="db-name">
-        <tree-chevron :expanded="schemaVisible"/>
+        <tree-chevron v-show="schema.length > 0" :expanded="schemaVisible"/>
         {{ dbName }}
       </div>
       <db-uploader id="db-edit" type="small" />
       <export-icon tooltip="Export database" @click="exportToFile"/>
+      <add-table-icon @click="addCsv"/>
     </div>
     <div v-show="schemaVisible" class="schema">
       <table-description
@@ -19,15 +20,26 @@
         :columns="table.columns"
       />
     </div>
+
+    <!--Parse csv dialog  -->
+    <csv-import
+      ref="addCsv"
+      :file="file"
+      :db="$store.state.db"
+      dialog-name="addCsv"
+    />
   </div>
 </template>
 
 <script>
-import TableDescription from '@/components/TableDescription'
+import fIo from '@/lib/utils/fileIo'
+import TableDescription from './TableDescription'
 import TextField from '@/components/TextField'
 import TreeChevron from '@/components/svg/treeChevron'
 import DbUploader from '@/components/DbUploader'
 import ExportIcon from '@/components/svg/export'
+import AddTableIcon from '@/components/svg/addTable'
+import CsvImport from '@/components/CsvImport'
 
 export default {
   name: 'Schema',
@@ -36,33 +48,44 @@ export default {
     TextField,
     TreeChevron,
     DbUploader,
-    ExportIcon
+    ExportIcon,
+    AddTableIcon,
+    CsvImport
   },
   data () {
     return {
       schemaVisible: true,
-      filter: null
+      filter: null,
+      file: null
     }
   },
   computed: {
     schema () {
-      if (!this.$store.state.schema) {
+      if (!this.$store.state.db.schema) {
         return []
       }
 
       return !this.filter
-        ? this.$store.state.schema
-        : this.$store.state.schema.filter(
+        ? this.$store.state.db.schema
+        : this.$store.state.db.schema.filter(
           table => table.name.toUpperCase().indexOf(this.filter.toUpperCase()) !== -1
         )
     },
     dbName () {
-      return this.$store.state.dbName
+      return this.$store.state.db.dbName
     }
   },
   methods: {
     exportToFile () {
       this.$store.state.db.export(`${this.dbName}.sqlite`)
+    },
+    async addCsv () {
+      this.file = await fIo.getFileFromUser('.csv')
+      await this.$nextTick()
+      const csvImport = this.$refs.addCsv
+      csvImport.reset()
+      await csvImport.previewCsv()
+      csvImport.open()
     }
   }
 }
@@ -86,7 +109,7 @@ export default {
   width: 100%;
   height: 100px;
   box-sizing: border-box;
-  background-image: linear-gradient(white 73%, transparent);;
+  background-image: linear-gradient(white 73%, rgba(255, 255, 255, 0));
   z-index: 2;
 }
 .schema, .db-name {

src/views/Main/Editor/Tabs/Tab/Chart/index.vue

@@ -28,7 +28,7 @@ import plotly from 'plotly.js/dist/plotly'
 import 'react-chart-editor/lib/react-chart-editor.min.css'
 
 import PlotlyEditor from 'react-chart-editor'
-import chart from '@/chart'
+import chartHelper from './chartHelper'
 import dereference from 'react-chart-editor/lib/lib/dereference'
 
 export default {
@@ -49,10 +49,10 @@ export default {
   },
   computed: {
     dataSources () {
-      return chart.getDataSourcesFromSqlResult(this.sqlResult)
+      return chartHelper.getDataSourcesFromSqlResult(this.sqlResult)
     },
     dataSourceOptions () {
-      return chart.getOptionsFromDataSources(this.dataSources)
+      return chartHelper.getOptionsFromDataSources(this.dataSources)
     }
   },
   watch: {
@@ -71,7 +71,7 @@ export default {
       this.$emit('update')
     },
     getChartStateForSave () {
-      return chart.getChartStateForSave(this.state, this.dataSources)
+      return chartHelper.getChartStateForSave(this.state, this.dataSources)
     }
   }
 }

src/views/Main/Editor/Tabs/Tab/SqlEditor/hint.js

@@ -2,7 +2,6 @@ import CM from 'codemirror'
 import 'codemirror/addon/hint/show-hint.js'
 import 'codemirror/addon/hint/sql-hint.js'
 import store from '@/store'
-import { debounce } from 'debounce'
 
 export function getHints (cm, options) {
   const token = cm.getTokenAt(cm.getCursor()).string.toUpperCase()
@@ -18,28 +17,34 @@ export function getHints (cm, options) {
 const hintOptions = {
   get tables () {
     const tables = {}
-    if (store.state.schema) {
-      store.state.schema.forEach(table => {
+    if (store.state.db.schema) {
+      store.state.db.schema.forEach(table => {
         tables[table.name] = table.columns.map(column => column.name)
       })
     }
     return tables
   },
+  get defaultTable () {
+    const schema = store.state.db.schema
+    return schema && schema.length === 1 ? schema[0].name : null
+  },
   completeSingle: false,
   completeOnSingleClick: true,
   alignWithWord: false
 }
 
-export default {
-  show: debounce(function (editor) {
-    // Don't show autocomplete after a space or semicolon or in string literals
-    const token = editor.getTokenAt(editor.getCursor())
-    const ch = token.string.slice(-1)
-    const tokenType = token.type
-    if (tokenType === 'string' || !ch || ch === ' ' || ch === ';') {
-      return
-    }
-
-    CM.showHint(editor, getHints, hintOptions)
-  }, 400)
+export function showHintOnDemand (editor) {
+  CM.showHint(editor, getHints, hintOptions)
+}
+
+export default function showHint (editor) {
+  // Don't show autocomplete after a space or semicolon or in string literals
+  const token = editor.getTokenAt(editor.getCursor())
+  const ch = token.string.slice(-1)
+  const tokenType = token.type
+  if (tokenType === 'string' || !ch || ch === ' ' || ch === ';') {
+    return
+  }
+
+  CM.showHint(editor, getHints, hintOptions)
 }

src/views/Main/Editor/Tabs/Tab/SqlEditor/index.vue

@@ -1,11 +1,12 @@
 <template>
   <div class="codemirror-container">
-    <codemirror v-model="query" :options="cmOptions" @changes="onChange" />
+    <codemirror ref="cm" v-model="query" :options="cmOptions" @changes="onChange" />
   </div>
 </template>
 
 <script>
-import hint from '@/hint'
+import showHint, { showHintOnDemand } from './hint'
+import time from '@/lib/utils/time'
 import { codemirror } from 'vue-codemirror'
 import 'codemirror/lib/codemirror.css'
 import 'codemirror/mode/sql/sql.js'
@@ -27,8 +28,8 @@ export default {
         theme: 'neo',
         lineNumbers: true,
         line: true,
-        autofocus: true,
-        autoRefresh: true
+        autoRefresh: true,
+        extraKeys: { 'Ctrl-Space': showHintOnDemand }
       }
     }
   },
@@ -38,7 +39,10 @@ export default {
     }
   },
   methods: {
-    onChange: hint.show
+    onChange: time.debounce(showHint, 400),
+    focus () {
+      this.$refs.cm.codemirror.focus()
+    }
   }
 }
 </script>

src/views/Main/Editor/Tabs/Tab/index.vue

@@ -8,7 +8,7 @@
     >
       <template #left-pane>
         <div class="query-editor">
-          <sql-editor v-model="query" />
+          <sql-editor ref="sqlEditor" v-model="query" />
         </div>
       </template>
       <template #right-pane>
@@ -21,7 +21,8 @@
             >
               Run your query and get results here
             </div>
-            <div v-show="isGettingResults" class="table-preview result-in-progress">
+            <div v-if="isGettingResults" class="table-preview result-in-progress">
+              <loading-indicator :size="30"/>
               Fetching results...
             </div>
             <div
@@ -30,10 +31,8 @@
             >
               No rows retrieved according to your query
             </div>
-            <div v-show="error" class="table-preview error">
-              {{ error }}
-            </div>
-            <sql-table v-if="result" :data-set="result" :height="tableViewHeight" />
+            <logs v-if="error" :messages="[error]"/>
+            <sql-table v-if="result" :data-set="result" :time="time" :height="tableViewHeight" />
           </div>
           <chart
             :visible="view === 'chart'"
@@ -50,10 +49,13 @@
 
 <script>
 import SqlTable from '@/components/SqlTable'
-import SqlEditor from '@/components/SqlEditor'
 import Splitpanes from '@/components/Splitpanes'
-import ViewSwitcher from '@/components/ViewSwitcher'
-import Chart from '@/components/Chart'
+import LoadingIndicator from '@/components/LoadingIndicator'
+import SqlEditor from './SqlEditor'
+import ViewSwitcher from './ViewSwitcher'
+import Chart from './Chart'
+import Logs from '@/components/Logs'
+import time from '@/lib/utils/time'
 
 export default {
   name: 'Tab',
@@ -63,7 +65,9 @@ export default {
     SqlTable,
     Splitpanes,
     ViewSwitcher,
-    Chart
+    Chart,
+    LoadingIndicator,
+    Logs
   },
   data () {
     return {
@@ -73,7 +77,8 @@ export default {
       tableViewHeight: 0,
       isGettingResults: false,
       error: null,
-      resizeObserver: null
+      resizeObserver: null,
+      time: 0
     }
   },
   computed: {
@@ -81,9 +86,6 @@ export default {
       return this.id === this.$store.state.currentTabId
     }
   },
-  created () {
-    this.$store.commit('setCurrentTab', this)
-  },
   mounted () {
     this.resizeObserver = new ResizeObserver(this.handleResize)
     this.resizeObserver.observe(this.$refs.bottomPane)
@@ -93,9 +95,14 @@ export default {
     this.resizeObserver.unobserve(this.$refs.bottomPane)
   },
   watch: {
-    isActive () {
-      if (this.isActive) {
-        this.$store.commit('setCurrentTab', this)
+    isActive: {
+      immediate: true,
+      async handler () {
+        if (this.isActive) {
+          this.$store.commit('setCurrentTab', this)
+          await this.$nextTick()
+          this.$refs.sqlEditor.focus()
+        }
       }
     },
     query () {
@@ -110,12 +117,16 @@ export default {
       this.error = null
       const state = this.$store.state
       try {
+        const start = new Date()
         this.result = await state.db.execute(this.query + ';')
-        const schema = await state.db.getSchema(state.dbName)
-        this.$store.commit('saveSchema', schema)
+        this.time = time.getPeriod(start, new Date())
       } catch (err) {
-        this.error = err
+        this.error = {
+          type: 'error',
+          message: err
+        }
       }
+      state.db.refreshSchema()
       this.isGettingResults = false
     },
     handleResize () {
@@ -131,12 +142,12 @@ export default {
     calculateTableHeight () {
       const bottomPane = this.$refs.bottomPane
       // 88 - view swittcher height
-      // 42 - table footer width
-      // 30 - desirable space after the table
+      // 34 - table footer width
+      // 12 - desirable space after the table
       // 5 - padding-bottom of rounded table container
-      // 40 - height of table header
-      const freeSpace = bottomPane.offsetHeight - 88 - 42 - 30 - 5 - 40
-      this.tableViewHeight = freeSpace - (freeSpace % 40)
+      // 35 - height of table header
+      const freeSpace = bottomPane.offsetHeight - 88 - 34 - 12 - 5 - 35
+      this.tableViewHeight = freeSpace - (freeSpace % 35)
     }
   }
 }
@@ -183,11 +194,32 @@ export default {
   font-size: 13px;
 }
 
-.table-preview.error {
-  color: var(--color-text-error);
+.result-in-progress {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  will-change: opacity;
+  /*
+    We need to show loader in 1 sec after starting query execution. We can't do that with
+    setTimeout because the main thread can be busy by getting a result set from the web worker.
+    But we can use CSS animation for opacity. Opacity triggers changes only in the Composite Layer
+    stage in rendering waterfall. Hence it can be processed only with Compositor Thread while
+    the Main Thread processes a result set.
+    https://www.viget.com/articles/animation-performance-101-browser-under-the-hood/
+  */
+  animation: show-loader 1s linear 0s 1;
 }
 
-.table-preview.error::first-letter {
-  text-transform: capitalize;
+@keyframes show-loader {
+  0% {
+    opacity: 0;
+  }
+  99% {
+    opacity: 0;
+  }
+  100% {
+    opacity: 1;
+  }
 }
 </style>

src/views/Main/Editor/Tabs/index.vue

@@ -62,7 +62,7 @@
 </template>
 
 <script>
-import Tab from '@/components/Tab'
+import Tab from './Tab'
 import CloseIcon from '@/components/svg/close'
 
 export default {

src/views/Main/Editor/index.vue

@@ -0,0 +1,62 @@
+<template>
+  <div>
+    <splitpanes
+      class="schema-tabs-splitter"
+      :before="{ size: 20, max: 30 }"
+      :after="{ size: 80, max: 100 }"
+    >
+      <template #left-pane>
+        <schema/>
+      </template>
+      <template #right-pane>
+        <tabs />
+      </template>
+    </splitpanes>
+  </div>
+</template>
+
+<script>
+import Splitpanes from '@/components/Splitpanes'
+import Schema from './Schema'
+import Tabs from './Tabs'
+
+export default {
+  name: 'Editor',
+  components: {
+    Schema,
+    Splitpanes,
+    Tabs
+  },
+  async beforeCreate () {
+    const schema = this.$store.state.db.schema
+    if (!schema || schema.length === 0) {
+      const stmt = [
+        '/*',
+        ' * Your database is empty. In order to start building charts',
+        ' * you should create a table and insert data into it.',
+        ' */',
+        'CREATE TABLE house',
+        '(',
+        '  name TEXT,',
+        '  points INTEGER',
+        ');',
+        'INSERT INTO house VALUES',
+        "('Gryffindor', 100),",
+        "('Hufflepuff', 90),",
+        "('Ravenclaw', 95),",
+        "('Slytherin', 80);"
+      ].join('\n')
+
+      const tabId = await this.$store.dispatch('addTab', { query: stmt })
+      this.$store.commit('setCurrentTabId', tabId)
+    }
+  }
+}
+</script>
+
+<style scoped>
+.schema-tabs-splitter {
+  height: 100%;
+  background-color: var(--color-white);
+}
+</style>

src/views/Main/MainMenu.vue

@@ -3,8 +3,9 @@
     <div>
       <router-link to="/editor">Editor</router-link>
       <router-link to="/my-queries">My queries</router-link>
+      <a href="https://github.com/lana-k/sqliteviz/wiki" target="_blank">Help</a>
     </div>
-    <div>
+    <div id="nav-buttons">
       <button
         id="run-btn"
         v-if="currentQuery && $route.path === '/editor'"
@@ -30,6 +31,7 @@
       >
         Create
       </button>
+      <app-diagnostic-info />
     </div>
 
     <!--Save Query dialog  -->
@@ -62,13 +64,15 @@
 <script>
 import TextField from '@/components/TextField'
 import CloseIcon from '@/components/svg/close'
-import storedQueries from '@/storedQueries'
+import storedQueries from '@/lib/storedQueries'
+import AppDiagnosticInfo from './AppDiagnosticInfo'
 
 export default {
   name: 'MainMenu',
   components: {
     TextField,
-    CloseIcon
+    CloseIcon,
+    AppDiagnosticInfo
   },
   data () {
     return {
@@ -96,7 +100,7 @@ export default {
       }
     },
     runDisabled () {
-      return this.currentQuery && (!this.$store.state.schema || !this.currentQuery.query)
+      return this.currentQuery && (!this.$store.state.db || !this.currentQuery.query)
     }
   },
   created () {
@@ -212,7 +216,7 @@ nav {
   top: 0;
   left: 0;
   width: 100vw;
-  padding: 0 52px;
+  padding: 0 16px 0 52px;
   z-index: 999;
 }
 a {
@@ -237,4 +241,8 @@ button {
 #save-note img {
   margin: -3px 6px 0 0;
 }
+
+#nav-buttons {
+  display: flex;
+}
 </style>

src/views/Main/MyQueries/index.vue

@@ -141,16 +141,16 @@
 </template>
 
 <script>
-import RenameIcon from '@/components/svg/rename'
-import CopyIcon from '@/components/svg/copy'
+import RenameIcon from './svg/rename'
+import CopyIcon from './svg/copy'
 import ExportIcon from '@/components/svg/export'
-import DeleteIcon from '@/components/svg/delete'
+import DeleteIcon from './svg/delete'
 import CloseIcon from '@/components/svg/close'
 import TextField from '@/components/TextField'
 import CheckBox from '@/components/CheckBox'
-import tooltipMixin from '@/mixins/tooltips'
-import storedQueries from '@/storedQueries'
-import fu from '@/file.utils'
+import tooltipMixin from '@/tooltipMixin'
+import storedQueries from '@/lib/storedQueries'
+import fu from '@/lib/utils/fileIo'
 
 export default {
   name: 'MyQueries',
@@ -448,6 +448,7 @@ export default {
 }
 
 .rounded-bg {
+  padding-top: 40px;
   margin: 0 auto;
   max-width: 1500px;
   width: 100%;

src/views/Main/MyQueries/svg/copy.vue

@@ -23,7 +23,7 @@
 </template>
 
 <script>
-import tooltipMixin from '@/mixins/tooltips'
+import tooltipMixin from '@/tooltipMixin'
 
 export default {
   name: 'CopyIcon',

src/views/Main/MyQueries/svg/delete.vue

@@ -23,7 +23,7 @@
 </template>
 
 <script>
-import tooltipMixin from '@/mixins/tooltips'
+import tooltipMixin from '@/tooltipMixin'
 
 export default {
   name: 'DeleteIcon',

src/views/Main/MyQueries/svg/rename.vue

@@ -23,7 +23,7 @@
 </template>
 
 <script>
-import tooltipMixin from '@/mixins/tooltips'
+import tooltipMixin from '@/tooltipMixin'
 
 export default {
   name: 'RenameIcon',

src/views/Main/index.vue

@@ -8,11 +8,11 @@
 </template>
 
 <script>
-import MainMenu from '@/components/MainMenu'
+import MainMenu from './MainMenu'
 import '@/assets/styles/scrollbars.css'
 
 export default {
-  name: 'MainView',
+  name: 'Main',
   components: { MainMenu }
 }
 </script>

src/views/Welcome.vue

@@ -4,8 +4,8 @@
     <div id="note">
       Sqliteviz is fully client-side. Your database never leaves your computer.
     </div>
-    <button id ="skip" class="secondary" @click="$router.push('/editor')">
-      Skip database loading
+    <button id="skip" class="secondary" @click="$router.push('/editor')">
+      Create empty database
     </button>
   </div>
 </template>
@@ -14,7 +14,7 @@
 import DbUploader from '@/components/DbUploader'
 
 export default {
-  name: 'Home',
+  name: 'Welcome',
   components: { DbUploader }
 }
 </script>

tests/components/CsvImport/CsvImport.spec.js

@@ -0,0 +1,706 @@
+import { expect } from 'chai'
+import sinon from 'sinon'
+import Vuex from 'vuex'
+import { mount } from '@vue/test-utils'
+import CsvImport from '@/components/CsvImport'
+import csv from '@/components/CsvImport/csv'
+
+describe('CsvImport.vue', () => {
+  let state = {}
+  let actions = {}
+  let mutations = {}
+  let store = {}
+  let clock
+  let wrapper
+  const newTabId = 1
+  const file = { name: 'my data.csv' }
+
+  beforeEach(() => {
+    clock = sinon.useFakeTimers()
+
+    // mock store state and mutations
+    state = {}
+    mutations = {
+      setDb: sinon.stub(),
+      setCurrentTabId: sinon.stub()
+    }
+    actions = {
+      addTab: sinon.stub().resolves(newTabId)
+    }
+    store = new Vuex.Store({ state, mutations, actions })
+
+    const db = {
+      sanitizeTableName: sinon.stub().returns('my_data'),
+      addTableFromCsv: sinon.stub().resolves(),
+      createProgressCounter: sinon.stub().returns(1),
+      deleteProgressCounter: sinon.stub(),
+      validateTableName: sinon.stub().resolves(),
+      execute: sinon.stub().resolves(),
+      refreshSchema: sinon.stub().resolves()
+    }
+
+    // mount the component
+    wrapper = mount(CsvImport, {
+      store,
+      propsData: {
+        file,
+        dialogName: 'addCsv',
+        db
+      }
+    })
+  })
+
+  afterEach(() => {
+    sinon.restore()
+  })
+
+  it('previews', async () => {
+    sinon.stub(csv, 'parse').resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo'],
+          [2, 'bar']
+        ]
+      },
+      messages: [{
+        code: 'UndetectableDelimiter',
+        message: 'Comma was used as a standart delimiter',
+        row: 0,
+        type: 'info',
+        hint: undefined
+      }]
+    })
+
+    wrapper.vm.previewCsv()
+    await wrapper.vm.open()
+    await wrapper.vm.$nextTick()
+    expect(wrapper.find('[data-modal="addCsv"]').exists()).to.equal(true)
+    expect(wrapper.find('#csv-table-name input').element.value).to.equal('my_data')
+    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.value).to.equal('|')
+    expect(wrapper.find('#quote-char input').element.value).to.equal('"')
+    expect(wrapper.find('#escape-char input').element.value).to.equal('"')
+    expect(wrapper.findComponent({ name: 'check-box' }).vm.checked).to.equal(true)
+    const rows = wrapper.findAll('tbody tr')
+    expect(rows).to.have.lengthOf(2)
+    expect(rows.at(0).findAll('td').at(0).text()).to.equal('1')
+    expect(rows.at(0).findAll('td').at(1).text()).to.equal('foo')
+    expect(rows.at(1).findAll('td').at(0).text()).to.equal('2')
+    expect(rows.at(1).findAll('td').at(1).text()).to.equal('bar')
+    expect(wrapper.findComponent({ name: 'logs' }).text())
+      .to.include('Information about row 0. Comma was used as a standart delimiter.')
+    expect(wrapper.findComponent({ name: 'logs' }).text())
+      .to.include('Preview parsing is completed in')
+    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
+    expect(wrapper.find('#csv-import').isVisible()).to.equal(true)
+  })
+
+  it('reparses when parameters changes', async () => {
+    const parse = sinon.stub(csv, 'parse')
+    parse.onCall(0).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo']
+        ]
+      }
+    })
+
+    wrapper.vm.previewCsv()
+    wrapper.vm.open()
+    await csv.parse.returnValues[0]
+    await wrapper.vm.$nextTick()
+
+    parse.onCall(1).resolves({
+      delimiter: ',',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [2, 'bar']
+        ]
+      },
+      hasErrors: false
+    })
+    await wrapper.find('.delimiter-selector-container input').setValue(',')
+    expect(parse.callCount).to.equal(2)
+    await csv.parse.returnValues[1]
+
+    let rows = wrapper.findAll('tbody tr')
+    expect(rows).to.have.lengthOf(1)
+    expect(rows.at(0).findAll('td').at(0).text()).to.equal('2')
+    expect(rows.at(0).findAll('td').at(1).text()).to.equal('bar')
+    expect(wrapper.findComponent({ name: 'logs' }).text())
+      .to.include('Preview parsing is completed in')
+
+    parse.onCall(2).resolves({
+      delimiter: ',',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [3, 'baz']
+        ]
+      },
+      hasErrors: true,
+      messages: [{
+        code: 'MissingQuotes',
+        message: 'Quote is missed',
+        row: 0,
+        type: 'error',
+        hint: 'Edit your CSV so that the field has a closing quote char.'
+      }]
+    })
+
+    await wrapper.find('#quote-char input').setValue("'")
+    expect(parse.callCount).to.equal(3)
+    await csv.parse.returnValues[2]
+    rows = wrapper.findAll('tbody tr')
+    expect(rows).to.have.lengthOf(1)
+    expect(rows.at(0).findAll('td').at(0).text()).to.equal('3')
+    expect(rows.at(0).findAll('td').at(1).text()).to.equal('baz')
+    expect(wrapper.findComponent({ name: 'logs' }).text())
+      .to.contain('Error in row 0. Quote is missed. Edit your CSV so that the field has a closing quote char.')
+    expect(wrapper.findComponent({ name: 'logs' }).text())
+      .to.not.contain('Preview parsing is completed in')
+
+    parse.onCall(3).resolves({
+      delimiter: ',',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [4, 'qux']
+        ]
+      },
+      hasErrors: false
+    })
+    await wrapper.find('#escape-char input').setValue("'")
+    expect(parse.callCount).to.equal(4)
+    await csv.parse.returnValues[3]
+    rows = wrapper.findAll('tbody tr')
+    expect(rows).to.have.lengthOf(1)
+    expect(rows.at(0).findAll('td').at(0).text()).to.equal('4')
+    expect(rows.at(0).findAll('td').at(1).text()).to.equal('qux')
+    expect(wrapper.findComponent({ name: 'logs' }).text())
+      .to.contain('Preview parsing is completed in')
+
+    parse.onCall(4).resolves({
+      delimiter: ',',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [5, 'corge']
+        ]
+      },
+      hasErrors: false
+    })
+    await wrapper.findComponent({ name: 'check-box' }).trigger('click')
+    expect(parse.callCount).to.equal(5)
+    await csv.parse.returnValues[4]
+    rows = wrapper.findAll('tbody tr')
+    expect(rows).to.have.lengthOf(1)
+    expect(rows.at(0).findAll('td').at(0).text()).to.equal('5')
+    expect(rows.at(0).findAll('td').at(1).text()).to.equal('corge')
+    expect(wrapper.findComponent({ name: 'logs' }).text())
+      .to.include('Preview parsing is completed in')
+  })
+
+  it('has proper state before parsing is complete', async () => {
+    const parse = sinon.stub(csv, 'parse')
+    parse.onCall(0).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo']
+        ]
+      }
+    })
+
+    wrapper.vm.previewCsv()
+    wrapper.vm.open()
+    await wrapper.vm.$nextTick()
+
+    let resolveParsing
+    parse.onCall(1).returns(new Promise(resolve => {
+      resolveParsing = resolve
+    }))
+
+    await wrapper.find('#csv-table-name input').setValue('foo')
+    await wrapper.find('#csv-import').trigger('click')
+    await wrapper.vm.$nextTick()
+
+    // "Parsing CSV..." in the logs
+    expect(wrapper.findComponent({ name: 'logs' }).findAll('.msg').at(1).text())
+      .to.equal('Parsing CSV...')
+
+    // After 1 second - loading indicator is shown
+    await clock.tick(1000)
+    expect(
+      wrapper.findComponent({ name: 'logs' }).findComponent({ name: 'LoadingIndicator' }).exists()
+    ).to.equal(true)
+
+    // All the dialog controls are disabled
+    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(true)
+    expect(wrapper.find('#quote-char input').element.disabled).to.equal(true)
+    expect(wrapper.find('#escape-char input').element.disabled).to.equal(true)
+    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(true)
+    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(true)
+    expect(wrapper.find('#csv-finish').element.disabled).to.equal(true)
+    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(true)
+    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
+    expect(wrapper.find('#csv-import').isVisible()).to.equal(true)
+    await resolveParsing()
+    await parse.returnValues[1]
+
+    // Loading indicator is not shown when parsing is compete
+    expect(
+      wrapper.findComponent({ name: 'logs' }).findComponent({ name: 'LoadingIndicator' }).exists()
+    ).to.equal(false)
+  })
+
+  it('parsing is completed successfully', async () => {
+    const parse = sinon.stub(csv, 'parse')
+    parse.onCall(0).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo']
+        ]
+      },
+      hasErrors: false,
+      messages: []
+    })
+
+    parse.onCall(1).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo'],
+          [2, 'bar']
+        ]
+      },
+      hasErrors: false,
+      messages: []
+    })
+
+    wrapper.vm.previewCsv()
+    wrapper.vm.open()
+    await wrapper.vm.$nextTick()
+
+    let resolveImport
+    wrapper.vm.db.addTableFromCsv.onCall(0).returns(new Promise(resolve => {
+      resolveImport = resolve
+    }))
+
+    await wrapper.find('#csv-table-name input').setValue('foo')
+    await wrapper.find('#csv-import').trigger('click')
+    await csv.parse.returnValues[1]
+    await wrapper.vm.$nextTick()
+
+    // Parsing success in the logs
+    expect(wrapper.findComponent({ name: 'logs' }).findAll('.msg').at(1).text())
+      .to.include('2 rows are parsed successfully in')
+
+    // All the dialog controls are disabled
+    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(true)
+    expect(wrapper.find('#quote-char input').element.disabled).to.equal(true)
+    expect(wrapper.find('#escape-char input').element.disabled).to.equal(true)
+    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(true)
+    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(true)
+    expect(wrapper.find('#csv-finish').element.disabled).to.equal(true)
+    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(true)
+    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
+    expect(wrapper.find('#csv-import').isVisible()).to.equal(true)
+    await resolveImport()
+  })
+
+  it('parsing is completed with notes', async () => {
+    const parse = sinon.stub(csv, 'parse')
+    parse.onCall(0).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo']
+        ]
+      },
+      hasErrors: false,
+      messages: []
+    })
+
+    parse.onCall(1).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo'],
+          [2, 'bar']
+        ]
+      },
+      hasErrors: false,
+      messages: [{
+        code: 'UndetectableDelimiter',
+        message: 'Comma was used as a standart delimiter',
+        type: 'info',
+        hint: undefined
+      }]
+    })
+
+    let resolveImport
+    wrapper.vm.db.addTableFromCsv.onCall(0).returns(new Promise(resolve => {
+      resolveImport = resolve
+    }))
+
+    wrapper.vm.previewCsv()
+    wrapper.vm.open()
+    await wrapper.vm.$nextTick()
+
+    await wrapper.find('#csv-table-name input').setValue('foo')
+    await wrapper.find('#csv-import').trigger('click')
+    await csv.parse.returnValues[1]
+    await wrapper.vm.$nextTick()
+
+    // Parsing success in the logs
+    const logs = wrapper.findComponent({ name: 'logs' }).findAll('.msg')
+    expect(logs).to.have.lengthOf(4)
+    expect(logs.at(1).text()).to.include('2 rows are parsed in')
+    expect(logs.at(2).text()).to.equals('Comma was used as a standart delimiter.')
+
+    // All the dialog controls are disabled
+    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(true)
+    expect(wrapper.find('#quote-char input').element.disabled).to.equal(true)
+    expect(wrapper.find('#escape-char input').element.disabled).to.equal(true)
+    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(true)
+    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(true)
+    expect(wrapper.find('#csv-finish').element.disabled).to.equal(true)
+    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(true)
+    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
+    expect(wrapper.find('#csv-import').isVisible()).to.equal(true)
+    await resolveImport()
+  })
+
+  it('parsing is completed with errors', async () => {
+    const parse = sinon.stub(csv, 'parse')
+    parse.onCall(0).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo']
+        ]
+      },
+      hasErrors: false,
+      messages: []
+    })
+
+    parse.onCall(1).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo'],
+          [2, 'bar']
+        ]
+      },
+      hasErrors: true,
+      messages: [{
+        code: 'Error',
+        message: 'Something is wrong',
+        type: 'error',
+        hint: undefined
+      }]
+    })
+
+    wrapper.vm.previewCsv()
+    wrapper.vm.open()
+    await wrapper.vm.$nextTick()
+
+    await wrapper.find('#csv-table-name input').setValue('foo')
+    await wrapper.find('#csv-import').trigger('click')
+    await csv.parse.returnValues[1]
+    await wrapper.vm.$nextTick()
+
+    // Parsing success in the logs
+    const logs = wrapper.findComponent({ name: 'logs' }).findAll('.msg')
+    expect(logs).to.have.lengthOf(3)
+    expect(logs.at(1).text()).to.include('Parsing ended with errors.')
+    expect(logs.at(2).text()).to.equals('Something is wrong.')
+
+    // All the dialog controls are enabled
+    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(false)
+    expect(wrapper.find('#quote-char input').element.disabled).to.equal(false)
+    expect(wrapper.find('#escape-char input').element.disabled).to.equal(false)
+    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(false)
+    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(false)
+    expect(wrapper.find('#csv-finish').element.disabled).to.equal(false)
+    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(false)
+    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
+    expect(wrapper.find('#csv-import').isVisible()).to.equal(true)
+  })
+
+  it('has proper state before import is completed', async () => {
+    const parse = sinon.stub(csv, 'parse')
+    parse.onCall(0).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo']
+        ]
+      },
+      hasErrors: false,
+      messages: []
+    })
+
+    parse.onCall(1).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo'],
+          [2, 'bar']
+        ]
+      },
+      hasErrors: false,
+      messages: []
+    })
+
+    let resolveImport = sinon.stub()
+    wrapper.vm.db.addTableFromCsv = sinon.stub()
+      .resolves(new Promise(resolve => { resolveImport = resolve }))
+
+    wrapper.vm.previewCsv()
+    wrapper.vm.open()
+    await wrapper.vm.$nextTick()
+
+    await wrapper.find('#csv-table-name input').setValue('foo')
+    await wrapper.find('#csv-import').trigger('click')
+    await csv.parse.returnValues[1]
+    await wrapper.vm.$nextTick()
+
+    // Parsing success in the logs
+    expect(wrapper.findComponent({ name: 'logs' }).findAll('.msg').at(2).text())
+      .to.equal('Importing CSV into a SQLite database...')
+
+    // After 1 second - loading indicator is shown
+    await clock.tick(1000)
+    expect(
+      wrapper.findComponent({ name: 'logs' }).findComponent({ name: 'LoadingIndicator' }).exists()
+    ).to.equal(true)
+
+    // All the dialog controls are disabled
+    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(true)
+    expect(wrapper.find('#quote-char input').element.disabled).to.equal(true)
+    expect(wrapper.find('#escape-char input').element.disabled).to.equal(true)
+    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(true)
+    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(true)
+    expect(wrapper.find('#csv-finish').element.disabled).to.equal(true)
+    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(true)
+    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
+    expect(wrapper.find('#csv-import').isVisible()).to.equal(true)
+    expect(wrapper.vm.db.addTableFromCsv.getCall(0).args[0]).to.equal('foo') // table name
+
+    // After resolving - loading indicator is not shown
+    await resolveImport()
+    await wrapper.vm.db.addTableFromCsv.returnValues[0]
+    expect(
+      wrapper.findComponent({ name: 'logs' }).findComponent({ name: 'LoadingIndicator' }).exists()
+    ).to.equal(false)
+  })
+
+  it('import success', async () => {
+    const parse = sinon.stub(csv, 'parse')
+    parse.onCall(0).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo']
+        ]
+      },
+      hasErrors: false,
+      messages: []
+    })
+    // we need to separate calles because messages will mutate
+    parse.onCall(1).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo'],
+          [2, 'bar']
+        ]
+      },
+      hasErrors: false,
+      messages: []
+    })
+
+    wrapper.vm.previewCsv()
+    wrapper.vm.open()
+    await wrapper.vm.$nextTick()
+
+    await wrapper.find('#csv-table-name input').setValue('foo')
+    await wrapper.find('#csv-import').trigger('click')
+    await csv.parse.returnValues[1]
+    await wrapper.vm.$nextTick()
+
+    // Import success in the logs
+    const logs = wrapper.findComponent({ name: 'logs' }).findAll('.msg')
+    expect(logs).to.have.lengthOf(3)
+    expect(logs.at(2).text()).to.contain('Importing CSV into a SQLite database is completed in')
+
+    // All the dialog controls are enabled
+    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(false)
+    expect(wrapper.find('#quote-char input').element.disabled).to.equal(false)
+    expect(wrapper.find('#escape-char input').element.disabled).to.equal(false)
+    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(false)
+    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(false)
+    expect(wrapper.find('#csv-finish').element.disabled).to.equal(false)
+    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(false)
+    expect(wrapper.find('#csv-finish').isVisible()).to.equal(true)
+  })
+
+  it('import fails', async () => {
+    const parse = sinon.stub(csv, 'parse')
+    parse.onCall(0).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo']
+        ]
+      },
+      hasErrors: false,
+      messages: []
+    })
+    // we need to separate calles because messages will mutate
+    parse.onCall(1).resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo'],
+          [2, 'bar']
+        ]
+      },
+      hasErrors: false,
+      messages: []
+    })
+
+    wrapper.vm.db.addTableFromCsv = sinon.stub().rejects(new Error('fail'))
+
+    wrapper.vm.previewCsv()
+    wrapper.vm.open()
+    await wrapper.vm.$nextTick()
+
+    await wrapper.find('#csv-table-name input').setValue('foo')
+    await wrapper.find('#csv-import').trigger('click')
+    await csv.parse.returnValues[1]
+    await wrapper.vm.$nextTick()
+
+    // Import success in the logs
+    const logs = wrapper.findComponent({ name: 'logs' }).findAll('.msg')
+    expect(logs).to.have.lengthOf(4)
+    expect(logs.at(2).text()).to.contain('Importing CSV into a SQLite database...')
+    expect(logs.at(3).text()).to.equal('Error: fail.')
+
+    // All the dialog controls are enabled
+    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(false)
+    expect(wrapper.find('#quote-char input').element.disabled).to.equal(false)
+    expect(wrapper.find('#escape-char input').element.disabled).to.equal(false)
+    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(false)
+    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(false)
+    expect(wrapper.find('#csv-finish').element.disabled).to.equal(false)
+    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(false)
+    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
+  })
+
+  it('import finish', async () => {
+    sinon.stub(csv, 'parse').resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo']
+        ]
+      },
+      hasErrors: false,
+      messages: []
+    })
+
+    wrapper.vm.previewCsv()
+    wrapper.vm.open()
+    await wrapper.vm.$nextTick()
+
+    await wrapper.find('#csv-import').trigger('click')
+    await wrapper.vm.$nextTick()
+
+    await wrapper.find('#csv-finish').trigger('click')
+
+    expect(actions.addTab.calledOnce).to.equal(true)
+    await actions.addTab.returnValues[0]
+    expect(mutations.setCurrentTabId.calledOnceWith(state, newTabId)).to.equal(true)
+    expect(wrapper.find('[data-modal="addCsv"]').exists()).to.equal(false)
+    expect(wrapper.emitted('finish')).to.have.lengthOf(1)
+  })
+
+  it('import cancel', async () => {
+    sinon.stub(csv, 'parse').resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo']
+        ]
+      },
+      hasErrors: false,
+      messages: []
+    })
+
+    await wrapper.vm.previewCsv()
+    await wrapper.vm.open()
+    await wrapper.vm.$nextTick()
+
+    await wrapper.find('#csv-import').trigger('click')
+    await wrapper.vm.$nextTick()
+
+    await wrapper.find('#csv-cancel').trigger('click')
+
+    expect(wrapper.find('[data-modal="addCsv"]').exists()).to.equal(false)
+    expect(wrapper.vm.db.execute.calledOnceWith('DROP TABLE "my_data"')).to.equal(true)
+    expect(wrapper.vm.db.refreshSchema.calledOnce).to.equal(true)
+    expect(wrapper.emitted('cancel')).to.have.lengthOf(1)
+  })
+
+  it('checks table name', async () => {
+    sinon.stub(csv, 'parse').resolves()
+    await wrapper.vm.previewCsv()
+    await wrapper.vm.open()
+    await wrapper.vm.$nextTick()
+
+    await wrapper.find('#csv-table-name input').setValue('foo')
+    await clock.tick(400)
+    await wrapper.vm.$nextTick()
+    expect(wrapper.find('#csv-table-name .text-field-error').text()).to.equal('')
+
+    wrapper.vm.db.validateTableName = sinon.stub().rejects(new Error('this is a bad table name'))
+    await wrapper.find('#csv-table-name input').setValue('bar')
+    await clock.tick(400)
+    await wrapper.vm.$nextTick()
+    expect(wrapper.find('#csv-table-name .text-field-error').text())
+      .to.equal('this is a bad table name. Try another table name.')
+
+    await wrapper.find('#csv-table-name input').setValue('')
+    await clock.tick(400)
+    await wrapper.vm.$nextTick()
+    expect(wrapper.find('#csv-table-name .text-field-error').text()).to.equal('')
+
+    await wrapper.find('#csv-import').trigger('click')
+    expect(wrapper.find('#csv-table-name .text-field-error').text())
+      .to.equal("Table name can't be empty")
+    expect(wrapper.vm.db.addTableFromCsv.called).to.equal(false)
+  })
+})

tests/components/CsvImport/DelimiterSelector.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { mount, shallowMount } from '@vue/test-utils'
-import DelimiterSelector from '@/components/DelimiterSelector'
+import DelimiterSelector from '@/components/CsvImport/DelimiterSelector'
 
 describe('DelimiterSelector', async () => {
   it('shows the name of value', async () => {

tests/components/CsvImport/csv.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
-import csv from '@/csv'
+import csv from '@/components/CsvImport/csv'
 import Papa from 'papaparse'
 
 describe('csv.js', () => {
@@ -15,7 +15,7 @@ describe('csv.js', () => {
         { id: 2, name: 'bar' }
       ],
       meta: {
-        fields: ['id', 'name']
+        fields: ['id', 'name ']
       }
     }
     expect(csv.getResult(source)).to.eql({
@@ -46,7 +46,7 @@ describe('csv.js', () => {
 
   it('parse resolves', async () => {
     sinon.stub(Papa, 'parse').callsFake((file, config) => {
-      config.complete({
+      config.chunk({
         data: [
           [1, 'foo'],
           [2, 'bar']
@@ -72,6 +72,7 @@ describe('csv.js', () => {
           truncated: true
         }
       })
+      config.complete()
     })
     const file = {}
     const result = await csv.parse(file)
@@ -112,4 +113,96 @@ describe('csv.js', () => {
     const file = {}
     await expect(csv.parse(file)).to.be.rejectedWith(err)
   })
+
+  it('concat chunks', async () => {
+    sinon.stub(Papa, 'parse').callsFake((file, config) => {
+      config.chunk({
+        data: [
+          [1, 'foo'],
+          [2, 'bar']
+        ],
+        errors: [
+          {
+            type: 'Quotes',
+            code: 'MissingQuotes',
+            message: 'Quote is missed',
+            row: 0
+          },
+          {
+            type: 'Delimiter',
+            code: 'UndetectableDelimiter',
+            message: 'Comma was used as a standart delimiter',
+            row: 0
+          }
+        ],
+        meta: {
+          delimiter: ',',
+          linebreak: '\n',
+          aborted: false,
+          truncated: true
+        }
+      })
+
+      config.chunk({
+        data: [
+          [3, 'baz'],
+          [4, 'boo']
+        ],
+        errors: [
+          {
+            type: 'Delimiter',
+            code: 'UndetectableDelimiter',
+            message: 'Comma was used as a standart delimiter',
+            row: 2
+          }
+        ],
+        meta: {
+          delimiter: ',',
+          linebreak: '\n',
+          aborted: false,
+          truncated: true
+        }
+      })
+      config.complete()
+    })
+    const file = {}
+    const result = await csv.parse(file)
+
+    expect(result).to.eql({
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo'],
+          [2, 'bar'],
+          [3, 'baz'],
+          [4, 'boo']
+        ]
+      },
+      delimiter: ',',
+      hasErrors: true,
+      messages: [
+        {
+          code: 'MissingQuotes',
+          message: 'Quote is missed',
+          row: 0,
+          type: 'error',
+          hint: 'Edit your CSV so that the field has a closing quote char.'
+        },
+        {
+          code: 'UndetectableDelimiter',
+          message: 'Comma was used as a standart delimiter',
+          row: 0,
+          type: 'info',
+          hint: undefined
+        },
+        {
+          code: 'UndetectableDelimiter',
+          message: 'Comma was used as a standart delimiter',
+          row: 2,
+          type: 'info',
+          hint: undefined
+        }
+      ]
+    })
+  })
 })

tests/components/DbUploader.spec.js

@@ -2,39 +2,41 @@ import { expect } from 'chai'
 import sinon from 'sinon'
 import Vuex from 'vuex'
 import { shallowMount, mount } from '@vue/test-utils'
-import DbUploader from '@/components/DbUploader.vue'
-import fu from '@/file.utils'
-import database from '@/database'
-import csv from '@/csv'
+import DbUploader from '@/components/DbUploader'
+import fu from '@/lib/utils/fileIo'
+import database from '@/lib/database'
 
 describe('DbUploader.vue', () => {
   let state = {}
   let mutations = {}
   let store = {}
+  let place
 
   beforeEach(() => {
     // mock store state and mutations
     state = {}
     mutations = {
-      saveSchema: sinon.stub(),
       setDb: sinon.stub()
     }
     store = new Vuex.Store({ state, mutations })
+
+    place = document.createElement('div')
+    document.body.appendChild(place)
   })
 
   afterEach(() => {
     sinon.restore()
+    place.remove()
   })
 
   it('loads db on click and redirects to /editor', async () => {
     // mock getting a file from user
-    const file = {}
+    const file = { name: 'test.db' }
     sinon.stub(fu, 'getFileFromUser').resolves(file)
 
     // mock db loading
-    const schema = {}
     const db = {
-      loadDb: sinon.stub().resolves(schema)
+      loadDb: sinon.stub().resolves()
     }
     sinon.stub(database, 'getNewDatabase').returns(db)
 
@@ -44,22 +46,27 @@ describe('DbUploader.vue', () => {
 
     // mount the component
     const wrapper = shallowMount(DbUploader, {
+      attachTo: place,
       store,
-      mocks: { $router, $route }
+      mocks: { $router, $route },
+      propsData: {
+        type: 'illustrated'
+      }
     })
 
     await wrapper.find('.drop-area').trigger('click')
     expect(db.loadDb.calledOnceWith(file)).to.equal(true)
     await db.loadDb.returnValues[0]
-    expect(mutations.saveSchema.calledOnceWith(state, schema)).to.equal(true)
+    await wrapper.vm.animationPromise
+    await wrapper.vm.$nextTick()
     expect($router.push.calledOnceWith('/editor')).to.equal(true)
+    wrapper.destroy()
   })
 
   it('loads db on drop and redirects to /editor', async () => {
     // mock db loading
-    const schema = {}
     const db = {
-      loadDb: sinon.stub().resolves(schema)
+      loadDb: sinon.stub().resolves()
     }
     sinon.stub(database, 'getNewDatabase').returns(db)
 
@@ -69,12 +76,16 @@ describe('DbUploader.vue', () => {
 
     // mount the component
     const wrapper = shallowMount(DbUploader, {
+      attachTo: place,
       store,
-      mocks: { $router, $route }
+      mocks: { $router, $route },
+      propsData: {
+        type: 'illustrated'
+      }
     })
 
     // mock a file dropped by a user
-    const file = {}
+    const file = { name: 'test.db' }
     const dropData = { dataTransfer: new DataTransfer() }
     Object.defineProperty(dropData.dataTransfer, 'files', {
       value: [file],
@@ -84,19 +95,20 @@ describe('DbUploader.vue', () => {
     await wrapper.find('.drop-area').trigger('drop', dropData)
     expect(db.loadDb.calledOnceWith(file)).to.equal(true)
     await db.loadDb.returnValues[0]
-    expect(mutations.saveSchema.calledOnceWith(state, schema)).to.equal(true)
+    await wrapper.vm.animationPromise
+    await wrapper.vm.$nextTick()
     expect($router.push.calledOnceWith('/editor')).to.equal(true)
+    wrapper.destroy()
   })
 
   it("doesn't redirect if already on /editor", async () => {
     // mock getting a file from user
-    const file = {}
+    const file = { name: 'test.db' }
     sinon.stub(fu, 'getFileFromUser').resolves(file)
 
     // mock db loading
-    const schema = {}
     const db = {
-      loadDb: sinon.stub().resolves(schema)
+      loadDb: sinon.stub().resolves()
     }
     sinon.stub(database, 'getNewDatabase').returns(db)
 
@@ -106,736 +118,82 @@ describe('DbUploader.vue', () => {
 
     // mount the component
     const wrapper = shallowMount(DbUploader, {
+      attachTo: place,
       store,
-      mocks: { $router, $route }
+      mocks: { $router, $route },
+      propsData: {
+        type: 'illustrated'
+      }
     })
 
     await wrapper.find('.drop-area').trigger('click')
     await db.loadDb.returnValues[0]
+    await wrapper.vm.animationPromise
+    await wrapper.vm.$nextTick()
     expect($router.push.called).to.equal(false)
-  })
-})
-
-describe('DbUploader.vue import CSV', () => {
-  let state = {}
-  let mutations = {}
-  let actions = {}
-  const newTabId = 1
-  let store = {}
-
-  // mock router
-  const $router = { }
-  const $route = { path: '/' }
-
-  let clock
-  let wrapper
-
-  beforeEach(() => {
-    // mock getting a file from user
-    sinon.stub(fu, 'getFileFromUser').resolves({ type: 'text/csv', name: 'foo.csv' })
-
-    clock = sinon.useFakeTimers()
-
-    // mock store state and mutations
-    state = {}
-    mutations = {
-      saveSchema: sinon.stub(),
-      setDb: sinon.stub(),
-      setCurrentTabId: sinon.stub()
-    }
-    actions = {
-      addTab: sinon.stub().resolves(newTabId)
-    }
-    store = new Vuex.Store({ state, mutations, actions })
-
-    $router.push = sinon.stub()
-
-    // mount the component
-    wrapper = mount(DbUploader, {
-      store,
-      mocks: { $router, $route }
-    })
-  })
-
-  afterEach(() => {
-    sinon.restore()
+    wrapper.destroy()
   })
 
   it('shows parse dialog if gets csv file', async () => {
-    sinon.stub(csv, 'parse').resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo'],
-          [2, 'bar']
-        ]
-      },
-      messages: [{
-        code: 'UndetectableDelimiter',
-        message: 'Comma was used as a standart delimiter',
-        row: 0,
-        type: 'info',
-        hint: undefined
-      }]
-    })
+    // mock getting a file from user
+    const file = { name: 'test.csv' }
+    sinon.stub(fu, 'getFileFromUser').resolves(file)
 
-    await wrapper.find('.drop-area').trigger('click')
-    await csv.parse.returnValues[0]
-    await wrapper.vm.animationPromise
-    await wrapper.vm.$nextTick()
-    expect(wrapper.find('[data-modal="parse"]').exists()).to.equal(true)
-    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.value).to.equal('|')
-    expect(wrapper.find('#quote-char input').element.value).to.equal('"')
-    expect(wrapper.find('#escape-char input').element.value).to.equal('"')
-    expect(wrapper.findComponent({ name: 'check-box' }).vm.checked).to.equal(true)
-    const rows = wrapper.findAll('tbody tr')
-    expect(rows).to.have.lengthOf(2)
-    expect(rows.at(0).findAll('td').at(0).text()).to.equal('1')
-    expect(rows.at(0).findAll('td').at(1).text()).to.equal('foo')
-    expect(rows.at(1).findAll('td').at(0).text()).to.equal('2')
-    expect(rows.at(1).findAll('td').at(1).text()).to.equal('bar')
-    expect(wrapper.findComponent({ name: 'logs' }).text())
-      .to.include('Information about row 0. Comma was used as a standart delimiter.')
-    expect(wrapper.findComponent({ name: 'logs' }).text())
-      .to.include('Preview parsing is completed in')
-    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
-    expect(wrapper.find('#csv-import').isVisible()).to.equal(true)
-  })
+    // mock router
+    const $router = { push: sinon.stub() }
+    const $route = { path: '/editor' }
 
-  it('reparses when parameters changes', async () => {
-    const parse = sinon.stub(csv, 'parse')
-    parse.onCall(0).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo']
-        ]
+    // mount the component
+    const wrapper = mount(DbUploader, {
+      attachTo: place,
+      store,
+      mocks: { $router, $route },
+      propsData: {
+        type: 'illustrated'
       }
     })
 
+    const CsvImport = wrapper.vm.$refs.addCsv
+    sinon.stub(CsvImport, 'reset')
+    sinon.stub(CsvImport, 'previewCsv').resolves()
+    sinon.stub(CsvImport, 'open')
+
     await wrapper.find('.drop-area').trigger('click')
-    await csv.parse.returnValues[0]
-    await wrapper.vm.animationPromise
     await wrapper.vm.$nextTick()
-
-    parse.onCall(1).resolves({
-      delimiter: ',',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [2, 'bar']
-        ]
-      },
-      hasErrors: false
-    })
-    await wrapper.find('.delimiter-selector-container input').setValue(',')
-    expect(parse.callCount).to.equal(2)
-    await csv.parse.returnValues[1]
-
-    let rows = wrapper.findAll('tbody tr')
-    expect(rows).to.have.lengthOf(1)
-    expect(rows.at(0).findAll('td').at(0).text()).to.equal('2')
-    expect(rows.at(0).findAll('td').at(1).text()).to.equal('bar')
-    expect(wrapper.findComponent({ name: 'logs' }).text())
-      .to.include('Preview parsing is completed in')
-
-    parse.onCall(2).resolves({
-      delimiter: ',',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [3, 'baz']
-        ]
-      },
-      hasErrors: true,
-      messages: [{
-        code: 'MissingQuotes',
-        message: 'Quote is missed',
-        row: 0,
-        type: 'error',
-        hint: 'Edit your CSV so that the field has a closing quote char.'
-      }]
-    })
-
-    await wrapper.find('#quote-char input').setValue("'")
-    expect(parse.callCount).to.equal(3)
-    await csv.parse.returnValues[2]
-    rows = wrapper.findAll('tbody tr')
-    expect(rows).to.have.lengthOf(1)
-    expect(rows.at(0).findAll('td').at(0).text()).to.equal('3')
-    expect(rows.at(0).findAll('td').at(1).text()).to.equal('baz')
-    expect(wrapper.findComponent({ name: 'logs' }).text())
-      .to.contain('Error in row 0. Quote is missed. Edit your CSV so that the field has a closing quote char.')
-    expect(wrapper.findComponent({ name: 'logs' }).text())
-      .to.not.contain('Preview parsing is completed in')
-
-    parse.onCall(3).resolves({
-      delimiter: ',',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [4, 'qux']
-        ]
-      },
-      hasErrors: false
-    })
-    await wrapper.find('#escape-char input').setValue("'")
-    expect(parse.callCount).to.equal(4)
-    await csv.parse.returnValues[3]
-    rows = wrapper.findAll('tbody tr')
-    expect(rows).to.have.lengthOf(1)
-    expect(rows.at(0).findAll('td').at(0).text()).to.equal('4')
-    expect(rows.at(0).findAll('td').at(1).text()).to.equal('qux')
-    expect(wrapper.findComponent({ name: 'logs' }).text())
-      .to.contain('Preview parsing is completed in')
-
-    parse.onCall(4).resolves({
-      delimiter: ',',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [5, 'corge']
-        ]
-      },
-      hasErrors: false
-    })
-    await wrapper.findComponent({ name: 'check-box' }).trigger('click')
-    expect(parse.callCount).to.equal(5)
-    await csv.parse.returnValues[4]
-    rows = wrapper.findAll('tbody tr')
-    expect(rows).to.have.lengthOf(1)
-    expect(rows.at(0).findAll('td').at(0).text()).to.equal('5')
-    expect(rows.at(0).findAll('td').at(1).text()).to.equal('corge')
-    expect(wrapper.findComponent({ name: 'logs' }).text())
-      .to.include('Preview parsing is completed in')
+    expect(CsvImport.reset.calledOnce).to.equal(true)
+    await wrapper.vm.animationPromise
+    expect(CsvImport.previewCsv.calledOnce).to.equal(true)
+    await wrapper.vm.$nextTick()
+    expect(CsvImport.open.calledOnce).to.equal(true)
+    wrapper.destroy()
   })
 
-  it('has proper state before parsing is complete', async () => {
-    const parse = sinon.stub(csv, 'parse')
-    parse.onCall(0).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo']
-        ]
+  it('deletes temporary db if CSV import is canceled', async () => {
+    // mock getting a file from user
+    const file = { name: 'test.csv' }
+    sinon.stub(fu, 'getFileFromUser').resolves(file)
+
+    // mock router
+    const $router = { push: sinon.stub() }
+    const $route = { path: '/editor' }
+
+    // mount the component
+    const wrapper = mount(DbUploader, {
+      store,
+      mocks: { $router, $route },
+      propsData: {
+        type: 'illustrated'
       }
     })
 
-    await wrapper.find('.drop-area').trigger('click')
-    await csv.parse.returnValues[0]
-    await wrapper.vm.animationPromise
-    await wrapper.vm.$nextTick()
-
-    let resolveParsing
-    parse.onCall(1).returns(new Promise(resolve => {
-      resolveParsing = resolve
-    }))
-    await wrapper.find('#csv-import').trigger('click')
-
-    // "Parsing CSV..." in the logs
-    expect(wrapper.findComponent({ name: 'logs' }).findAll('.msg').at(1).text())
-      .to.equal('Parsing CSV...')
-
-    // After 1 second - loading indicator is shown
-    await clock.tick(1000)
-    expect(
-      wrapper.findComponent({ name: 'logs' }).findComponent({ name: 'LoadingIndicator' }).exists()
-    ).to.equal(true)
-
-    // All the dialog controls are disabled
-    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(true)
-    expect(wrapper.find('#quote-char input').element.disabled).to.equal(true)
-    expect(wrapper.find('#escape-char input').element.disabled).to.equal(true)
-    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(true)
-    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(true)
-    expect(wrapper.find('#csv-finish').element.disabled).to.equal(true)
-    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(true)
-    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
-    expect(wrapper.find('#csv-import').isVisible()).to.equal(true)
-    await resolveParsing()
-    await parse.returnValues[1]
-
-    // Loading indicator is not shown when parsing is compete
-    expect(
-      wrapper.findComponent({ name: 'logs' }).findComponent({ name: 'LoadingIndicator' }).exists()
-    ).to.equal(false)
-  })
-
-  it('parsing is completed successfully', async () => {
-    const parse = sinon.stub(csv, 'parse')
-    parse.onCall(0).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
-
-    parse.onCall(1).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo'],
-          [2, 'bar']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
+    const CsvImport = wrapper.vm.$refs.addCsv
+    sinon.stub(CsvImport, 'reset')
+    sinon.stub(CsvImport, 'previewCsv').resolves()
+    sinon.stub(CsvImport, 'open')
 
     await wrapper.find('.drop-area').trigger('click')
-    await csv.parse.returnValues[0]
-    await wrapper.vm.animationPromise
     await wrapper.vm.$nextTick()
-
-    await wrapper.find('#csv-import').trigger('click')
-    await csv.parse.returnValues[1]
-    await wrapper.vm.$nextTick()
-
-    // Parsing success in the logs
-    expect(wrapper.findComponent({ name: 'logs' }).findAll('.msg').at(1).text())
-      .to.include('2 rows are parsed successfully in')
-
-    // All the dialog controls are disabled
-    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(true)
-    expect(wrapper.find('#quote-char input').element.disabled).to.equal(true)
-    expect(wrapper.find('#escape-char input').element.disabled).to.equal(true)
-    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(true)
-    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(true)
-    expect(wrapper.find('#csv-finish').element.disabled).to.equal(true)
-    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(true)
-    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
-    expect(wrapper.find('#csv-import').isVisible()).to.equal(true)
-  })
-
-  it('parsing is completed with notes', async () => {
-    const parse = sinon.stub(csv, 'parse')
-    parse.onCall(0).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
-
-    parse.onCall(1).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo'],
-          [2, 'bar']
-        ]
-      },
-      hasErrors: false,
-      messages: [{
-        code: 'UndetectableDelimiter',
-        message: 'Comma was used as a standart delimiter',
-        type: 'info',
-        hint: undefined
-      }]
-    })
-
-    await wrapper.find('.drop-area').trigger('click')
-    await csv.parse.returnValues[0]
-    await wrapper.vm.animationPromise
-    await wrapper.vm.$nextTick()
-
-    await wrapper.find('#csv-import').trigger('click')
-    await csv.parse.returnValues[1]
-    await wrapper.vm.$nextTick()
-
-    // Parsing success in the logs
-    const logs = wrapper.findComponent({ name: 'logs' }).findAll('.msg')
-    expect(logs).to.have.lengthOf(4)
-    expect(logs.at(1).text()).to.include('2 rows are parsed in')
-    expect(logs.at(2).text()).to.equals('Comma was used as a standart delimiter.')
-
-    // All the dialog controls are disabled
-    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(true)
-    expect(wrapper.find('#quote-char input').element.disabled).to.equal(true)
-    expect(wrapper.find('#escape-char input').element.disabled).to.equal(true)
-    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(true)
-    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(true)
-    expect(wrapper.find('#csv-finish').element.disabled).to.equal(true)
-    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(true)
-    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
-    expect(wrapper.find('#csv-import').isVisible()).to.equal(true)
-  })
-
-  it('parsing is completed with errors', async () => {
-    const parse = sinon.stub(csv, 'parse')
-    parse.onCall(0).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
-
-    parse.onCall(1).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo'],
-          [2, 'bar']
-        ]
-      },
-      hasErrors: true,
-      messages: [{
-        code: 'Error',
-        message: 'Something is wrong',
-        type: 'error',
-        hint: undefined
-      }]
-    })
-
-    await wrapper.find('.drop-area').trigger('click')
-    await csv.parse.returnValues[0]
-    await wrapper.vm.animationPromise
-    await wrapper.vm.$nextTick()
-
-    await wrapper.find('#csv-import').trigger('click')
-    await csv.parse.returnValues[1]
-    await wrapper.vm.$nextTick()
-
-    // Parsing success in the logs
-    const logs = wrapper.findComponent({ name: 'logs' }).findAll('.msg')
-    expect(logs).to.have.lengthOf(3)
-    expect(logs.at(1).text()).to.include('Parsing ended with errors.')
-    expect(logs.at(2).text()).to.equals('Something is wrong.')
-
-    // All the dialog controls are enabled
-    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(false)
-    expect(wrapper.find('#quote-char input').element.disabled).to.equal(false)
-    expect(wrapper.find('#escape-char input').element.disabled).to.equal(false)
-    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(false)
-    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(false)
-    expect(wrapper.find('#csv-finish').element.disabled).to.equal(false)
-    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(false)
-    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
-    expect(wrapper.find('#csv-import').isVisible()).to.equal(true)
-  })
-
-  it('has proper state before import is completed', async () => {
-    const parse = sinon.stub(csv, 'parse')
-    parse.onCall(0).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
-
-    parse.onCall(1).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo'],
-          [2, 'bar']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
-
-    let resolveImport = sinon.stub()
-    const newDb = {
-      createDb: sinon.stub().resolves(new Promise(resolve => { resolveImport = resolve })),
-      createProgressCounter: sinon.stub().returns(1),
-      deleteProgressCounter: sinon.stub()
-    }
-    sinon.stub(database, 'getNewDatabase').returns(newDb)
-
-    await wrapper.find('.drop-area').trigger('click')
-    await csv.parse.returnValues[0]
-    await wrapper.vm.animationPromise
-    await wrapper.vm.$nextTick()
-
-    await wrapper.find('#csv-import').trigger('click')
-    await csv.parse.returnValues[1]
-    await wrapper.vm.$nextTick()
-
-    // Parsing success in the logs
-    expect(wrapper.findComponent({ name: 'logs' }).findAll('.msg').at(2).text())
-      .to.equal('Importing CSV into a SQLite database...')
-
-    // After 1 second - loading indicator is shown
-    await clock.tick(1000)
-    expect(
-      wrapper.findComponent({ name: 'logs' }).findComponent({ name: 'LoadingIndicator' }).exists()
-    ).to.equal(true)
-
-    // All the dialog controls are disabled
-    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(true)
-    expect(wrapper.find('#quote-char input').element.disabled).to.equal(true)
-    expect(wrapper.find('#escape-char input').element.disabled).to.equal(true)
-    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(true)
-    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(true)
-    expect(wrapper.find('#csv-finish').element.disabled).to.equal(true)
-    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(true)
-    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
-    expect(wrapper.find('#csv-import').isVisible()).to.equal(true)
-    expect(newDb.createDb.getCall(0).args[0]).to.equal('foo') // file name
-
-    // After resolving - loading indicator is not shown
-    await resolveImport()
-    await newDb.createDb.returnValues[0]
-    expect(
-      wrapper.findComponent({ name: 'logs' }).findComponent({ name: 'LoadingIndicator' }).exists()
-    ).to.equal(false)
-  })
-
-  it('import success', async () => {
-    const parse = sinon.stub(csv, 'parse')
-    parse.onCall(0).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
-
-    parse.onCall(1).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo'],
-          [2, 'bar']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
-
-    const schema = {}
-    const newDb = {
-      createDb: sinon.stub().resolves(schema),
-      createProgressCounter: sinon.stub().returns(1),
-      deleteProgressCounter: sinon.stub()
-    }
-    sinon.stub(database, 'getNewDatabase').returns(newDb)
-
-    await wrapper.find('.drop-area').trigger('click')
-    await csv.parse.returnValues[0]
-    await wrapper.vm.animationPromise
-    await wrapper.vm.$nextTick()
-
-    await wrapper.find('#csv-import').trigger('click')
-    await csv.parse.returnValues[1]
-    await wrapper.vm.$nextTick()
-
-    // Import success in the logs
-    const logs = wrapper.findComponent({ name: 'logs' }).findAll('.msg')
-    expect(logs).to.have.lengthOf(3)
-    expect(logs.at(2).text()).to.contain('Importing CSV into a SQLite database is completed in')
-
-    // All the dialog controls are enabled
-    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(false)
-    expect(wrapper.find('#quote-char input').element.disabled).to.equal(false)
-    expect(wrapper.find('#escape-char input').element.disabled).to.equal(false)
-    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(false)
-    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(false)
-    expect(wrapper.find('#csv-finish').element.disabled).to.equal(false)
-    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(false)
-    expect(wrapper.find('#csv-finish').isVisible()).to.equal(true)
-  })
-
-  it('import fails', async () => {
-    const parse = sinon.stub(csv, 'parse')
-    parse.onCall(0).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
-
-    parse.onCall(1).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo'],
-          [2, 'bar']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
-
-    const newDb = {
-      createDb: sinon.stub().rejects(new Error('fail')),
-      createProgressCounter: sinon.stub().returns(1),
-      deleteProgressCounter: sinon.stub()
-    }
-    sinon.stub(database, 'getNewDatabase').returns(newDb)
-
-    await wrapper.find('.drop-area').trigger('click')
-    await csv.parse.returnValues[0]
-    await wrapper.vm.animationPromise
-    await wrapper.vm.$nextTick()
-
-    await wrapper.find('#csv-import').trigger('click')
-    await csv.parse.returnValues[1]
-    await wrapper.vm.$nextTick()
-
-    // Import success in the logs
-    const logs = wrapper.findComponent({ name: 'logs' }).findAll('.msg')
-    expect(logs).to.have.lengthOf(4)
-    expect(logs.at(2).text()).to.contain('Importing CSV into a SQLite database...')
-    expect(logs.at(3).text()).to.equal('Error: fail.')
-
-    // All the dialog controls are enabled
-    expect(wrapper.findComponent({ name: 'delimiter-selector' }).vm.disabled).to.equal(false)
-    expect(wrapper.find('#quote-char input').element.disabled).to.equal(false)
-    expect(wrapper.find('#escape-char input').element.disabled).to.equal(false)
-    expect(wrapper.findComponent({ name: 'check-box' }).vm.disabled).to.equal(false)
-    expect(wrapper.find('#csv-cancel').element.disabled).to.equal(false)
-    expect(wrapper.find('#csv-finish').element.disabled).to.equal(false)
-    expect(wrapper.findComponent({ name: 'close-icon' }).vm.disabled).to.equal(false)
-    expect(wrapper.find('#csv-finish').isVisible()).to.equal(false)
-  })
-
-  it('import final', async () => {
-    const parse = sinon.stub(csv, 'parse')
-    parse.onCall(0).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
-
-    parse.onCall(1).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo'],
-          [2, 'bar']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
-
-    const schema = {}
-    const newDb = {
-      createDb: sinon.stub().resolves(schema),
-      createProgressCounter: sinon.stub().returns(1),
-      deleteProgressCounter: sinon.stub()
-    }
-    sinon.stub(database, 'getNewDatabase').returns(newDb)
-
-    await wrapper.find('.drop-area').trigger('click')
-    await csv.parse.returnValues[0]
-    await wrapper.vm.animationPromise
-    await wrapper.vm.$nextTick()
-
-    await wrapper.find('#csv-import').trigger('click')
-    await csv.parse.returnValues[1]
-    await wrapper.vm.$nextTick()
-
-    await wrapper.find('#csv-finish').trigger('click')
-
-    expect(mutations.setDb.calledOnceWith(state, newDb)).to.equal(true)
-    expect(mutations.saveSchema.calledOnceWith(state, schema)).to.equal(true)
-    expect(actions.addTab.calledOnce).to.equal(true)
-    await actions.addTab.returnValues[0]
-    expect(mutations.setCurrentTabId.calledOnceWith(state, newTabId)).to.equal(true)
-    expect($router.push.calledOnceWith('/editor')).to.equal(true)
-    expect(wrapper.find('[data-modal="parse"]').exists()).to.equal(false)
-  })
-
-  it('import cancel', async () => {
-    const parse = sinon.stub(csv, 'parse')
-    parse.onCall(0).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
-
-    parse.onCall(1).resolves({
-      delimiter: '|',
-      data: {
-        columns: ['col1', 'col2'],
-        values: [
-          [1, 'foo'],
-          [2, 'bar']
-        ]
-      },
-      hasErrors: false,
-      messages: []
-    })
-
-    const schema = {}
-    const newDb = {
-      createDb: sinon.stub().resolves(schema),
-      createProgressCounter: sinon.stub().returns(1),
-      deleteProgressCounter: sinon.stub(),
-      shutDown: sinon.stub()
-    }
-    sinon.stub(database, 'getNewDatabase').returns(newDb)
-
-    await wrapper.find('.drop-area').trigger('click')
-    await csv.parse.returnValues[0]
-    await wrapper.vm.animationPromise
-    await wrapper.vm.$nextTick()
-
-    await wrapper.find('#csv-import').trigger('click')
-    await csv.parse.returnValues[1]
-    await wrapper.vm.$nextTick()
-
-    await wrapper.find('#csv-cancel').trigger('click')
-
-    expect(mutations.setDb.called).to.equal(false)
-    expect(mutations.saveSchema.called).to.equal(false)
-    expect(actions.addTab.called).to.equal(false)
-    expect(mutations.setCurrentTabId.called).to.equal(false)
-    expect($router.push.called).to.equal(false)
-    expect(newDb.shutDown.calledOnce).to.equal(true)
-    expect(wrapper.find('[data-modal="parse"]').exists()).to.equal(false)
+    await CsvImport.$emit('cancel')
+    expect(wrapper.vm.newDb).to.equal(null)
   })
 })

tests/components/LoadingIndicator.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { shallowMount } from '@vue/test-utils'
-import LoadingIndicator from '@/components/LoadingIndicator.vue'
+import LoadingIndicator from '@/components/LoadingIndicator'
 
 describe('LoadingIndicator.vue', () => {
   it('Calculates animation class', async () => {

tests/components/Logs.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { shallowMount } from '@vue/test-utils'
-import Logs from '@/components/Logs.vue'
+import Logs from '@/components/Logs'
 
 let place
 describe('Logs.vue', () => {

tests/components/Schema.spec.js

@@ -1,115 +0,0 @@
-import { expect } from 'chai'
-import sinon from 'sinon'
-import { mount, createLocalVue } from '@vue/test-utils'
-import Vuex from 'vuex'
-import Schema from '@/components/Schema.vue'
-import TableDescription from '@/components/TableDescription.vue'
-
-const localVue = createLocalVue()
-localVue.use(Vuex)
-
-describe('Schema.vue', () => {
-  afterEach(() => {
-    sinon.restore()
-  })
-
-  it('Renders DB name on initial', () => {
-    // mock store state
-    const state = {
-      dbName: 'fooDB'
-    }
-    const store = new Vuex.Store({ state })
-
-    // mout the component
-    const wrapper = mount(Schema, { store, localVue })
-
-    // check DB name and schema visibility
-    expect(wrapper.find('.db-name').text()).to.equal('fooDB')
-    expect(wrapper.find('.schema').isVisible()).to.equal(true)
-  })
-
-  it('Schema visibility is toggled when click on DB name', async () => {
-    // mock store state
-    const state = {
-      dbName: 'fooDB'
-    }
-    const store = new Vuex.Store({ state })
-
-    // mout the component
-    const wrapper = mount(Schema, { store, localVue })
-
-    // click and check visibility
-    await wrapper.find('.db-name').trigger('click')
-    expect(wrapper.find('.schema').isVisible()).to.equal(false)
-    await wrapper.find('.db-name').trigger('click')
-    expect(wrapper.find('.schema').isVisible()).to.equal(true)
-  })
-
-  it('Schema filter', async () => {
-    // mock store state
-    const state = {
-      dbName: 'fooDB',
-      schema: [
-        {
-          name: 'foo',
-          columns: [
-            { name: 'id', type: 'INTEGER' },
-            { name: 'title', type: 'NVARCHAR(24)' }
-          ]
-        },
-        {
-          name: 'bar',
-          columns: [
-            { name: 'id', type: 'INTEGER' },
-            { name: 'price', type: 'INTEGER' }
-          ]
-        },
-        {
-          name: 'foobar',
-          columns: [
-            { name: 'id', type: 'INTEGER' },
-            { name: 'price', type: 'INTEGER' }
-          ]
-        }
-      ]
-    }
-    const store = new Vuex.Store({ state })
-
-    // mount the component
-    const wrapper = mount(Schema, { store, localVue })
-
-    // apply filters and check the list of tables
-    await wrapper.find('#schema-filter input').setValue('foo')
-    let tables = wrapper.findAllComponents(TableDescription)
-    expect(tables).to.have.lengthOf(2)
-    expect(tables.at(0).vm.name).to.equal('foo')
-    expect(tables.at(1).vm.name).to.equal('foobar')
-
-    await wrapper.find('#schema-filter input').setValue('bar')
-    tables = wrapper.findAllComponents(TableDescription)
-    expect(tables).to.have.lengthOf(2)
-    expect(tables.at(0).vm.name).to.equal('bar')
-    expect(tables.at(1).vm.name).to.equal('foobar')
-
-    await wrapper.find('#schema-filter input').setValue('')
-    tables = wrapper.findAllComponents(TableDescription)
-    expect(tables).to.have.lengthOf(3)
-    expect(tables.at(0).vm.name).to.equal('foo')
-    expect(tables.at(1).vm.name).to.equal('bar')
-    expect(tables.at(2).vm.name).to.equal('foobar')
-  })
-
-  it('exports db', async () => {
-    const state = {
-      dbName: 'fooDB',
-      db: {
-        export: sinon.stub().resolves()
-      }
-    }
-    const store = new Vuex.Store({ state })
-    const wrapper = mount(Schema, { store, localVue })
-
-    await wrapper.findComponent({ name: 'export-icon' }).trigger('click')
-    expect(state.db.export.calledOnceWith('fooDB'))
-  })
-})

tests/components/Splitpanes/Splitpanes.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { shallowMount } from '@vue/test-utils'
-import Splitpanes from '@/components/Splitpanes.vue'
+import Splitpanes from '@/components/Splitpanes'
 
 describe('Splitpanes.vue', () => {
   it('renders correctly - vertical', () => {

tests/components/Splitpanes/splitter.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
-import splitter from '@/splitter'
+import splitter from '@/components/Splitpanes/splitter'
 
 describe('splitter.js', () => {
   afterEach(() => {

tests/components/SqlTable/Pager.spec.js

@@ -1,7 +1,7 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
 import { mount } from '@vue/test-utils'
-import Pager from '@/components/Pager.vue'
+import Pager from '@/components/SqlTable/Pager'
 
 describe('Pager.vue', () => {
   afterEach(() => {

tests/db.utils.spec.js

@@ -1,34 +0,0 @@
-import { expect } from 'chai'
-import dbUtils from '@/db.utils'
-
-describe('db.utils.js', () => {
-  it('generateChunks', () => {
-    const arr = ['1', '2', '3', '4', '5']
-    const size = 2
-    const chunks = dbUtils.generateChunks(arr, size)
-    const output = []
-    for (const chunk of chunks) {
-      output.push(chunk)
-    }
-    expect(output[0]).to.eql(['1', '2'])
-    expect(output[1]).to.eql(['3', '4'])
-    expect(output[2]).to.eql(['5'])
-  })
-
-  it('getInsertStmt', () => {
-    const columns = ['id', 'name']
-    expect(dbUtils.getInsertStmt(columns))
-      .to.equal('INSERT INTO csv_import ("id", "name") VALUES (?, ?);')
-  })
-
-  it('getCreateStatement', () => {
-    const columns = ['id', 'name', 'isAdmin', 'startDate']
-    const values = [
-      [1, 'foo', true, new Date()],
-      [2, 'bar', false, new Date()]
-    ]
-    expect(dbUtils.getCreateStatement(columns, values)).to.equal(
-      'CREATE table csv_import("id" REAL, "name" TEXT, "isAdmin" INTEGER, "startDate" TEXT);'
-    )
-  })
-})

tests/lib/database/_sql.spec.js

@@ -2,14 +2,14 @@ import chai from 'chai'
 import sinon from 'sinon'
 import chaiAsPromised from 'chai-as-promised'
 import initSqlJs from 'sql.js'
-import Sql from '@/sql'
+import Sql from '@/lib/database/_sql'
 chai.use(chaiAsPromised)
 const expect = chai.expect
 chai.should()
 
 const getSQL = initSqlJs()
 
-describe('sql.js', () => {
+describe('_sql.js', () => {
   afterEach(() => {
     sinon.restore()
   })
@@ -74,8 +74,8 @@ describe('sql.js', () => {
     const progressCallback = sinon.stub()
     const progressCounterId = 1
     const sql = await Sql.build()
-    sql.import(data.columns, data.values, progressCounterId, progressCallback, 2)
-    const result = sql.exec('SELECT * from csv_import')
+    sql.import('foo', data.columns, data.values, progressCounterId, progressCallback, 2)
+    const result = sql.exec('SELECT * from foo')
     expect(result).to.have.lengthOf(1)
     expect(result[0].columns).to.eql(['id', 'name'])
     expect(result[0].values).to.have.lengthOf(4)
@@ -135,7 +135,7 @@ describe('sql.js', () => {
     expect(sql.db.db).to.equal(null)
   })
 
-  it('overwrites', async () => {
+  it('adds', async () => {
     const sql = await Sql.build()
     sql.exec(`
       CREATE TABLE test (
@@ -160,12 +160,11 @@ describe('sql.js', () => {
         [4, 'Ron Weasley']
       ]
     }
-    // rewrite the database by import
-    sql.import(data.columns, data.values, 1, sinon.stub(), 2)
-    result = sql.exec('SELECT * from csv_import')
+    // import adds table
+    sql.import('foo', data.columns, data.values, 1, sinon.stub(), 2)
+    result = sql.exec('SELECT * from foo')
     expect(result[0].values).to.have.lengthOf(4)
-
-    // test table oesn't exists anymore: the db was overwritten
-    expect(() => { sql.exec('SELECT * from test') }).to.throw('no such table: test')
+    result = sql.exec('SELECT * from test')
+    expect(result[0].values).to.have.lengthOf(2)
   })
 })

tests/lib/database/_statements.spec.js

@@ -0,0 +1,62 @@
+import { expect } from 'chai'
+import stmts from '@/lib/database/_statements'
+
+describe('_statements.js', () => {
+  it('generateChunks', () => {
+    const arr = ['1', '2', '3', '4', '5']
+    const size = 2
+    const chunks = stmts.generateChunks(arr, size)
+    const output = []
+    for (const chunk of chunks) {
+      output.push(chunk)
+    }
+    expect(output[0]).to.eql(['1', '2'])
+    expect(output[1]).to.eql(['3', '4'])
+    expect(output[2]).to.eql(['5'])
+  })
+
+  it('getInsertStmt', () => {
+    const columns = ['id', 'name']
+    expect(stmts.getInsertStmt('foo', columns))
+      .to.equal('INSERT INTO "foo" ("id", "name") VALUES (?, ?);')
+  })
+
+  it('getCreateStatement', () => {
+    const columns = ['id', 'name', 'isAdmin', 'startDate']
+    const values = [
+      [1, 'foo', true, new Date()],
+      [2, 'bar', false, new Date()]
+    ]
+    expect(stmts.getCreateStatement('foo', columns, values)).to.equal(
+      'CREATE table "foo"("id" REAL, "name" TEXT, "isAdmin" INTEGER, "startDate" TEXT);'
+    )
+  })
+
+  it('getColumns', () => {
+    const sql = `CREATE TABLE test (
+      col1,
+      col2 integer,
+      col3 decimal(5,2),
+      col4 varchar(30)
+    )`
+    expect(stmts.getColumns(sql)).to.eql([
+      { name: 'col1', type: 'N/A' },
+      { name: 'col2', type: 'integer' },
+      { name: 'col3', type: 'decimal(5, 2)' },
+      { name: 'col4', type: 'varchar(30)' }
+    ])
+  })
+
+  it('getColumns with virtual table', async () => {
+    const sql = `
+      CREATE VIRTUAL TABLE test_virtual USING fts4(
+        col1, col2,
+        notindexed=col1, notindexed=col2,
+        tokenize=unicode61 "tokenchars=.+#")
+    `
+    expect(stmts.getColumns(sql)).to.eql([
+      { name: 'col1', type: 'N/A' },
+      { name: 'col2', type: 'N/A' }
+    ])
+  })
+})

tests/lib/database/database.spec.js

@@ -2,8 +2,8 @@ import chai from 'chai'
 import sinon from 'sinon'
 import chaiAsPromised from 'chai-as-promised'
 import initSqlJs from 'sql.js'
-import database from '@/database'
-import fu from '@/file.utils'
+import database from '@/lib/database'
+import fu from '@/lib/utils/fileIo'
 
 chai.use(chaiAsPromised)
 const expect = chai.expect
@@ -27,58 +27,39 @@ describe('database.js', () => {
     const tempDb = new SQL.Database()
     tempDb.run(`CREATE TABLE test (
       col1,
-      col2 integer,
-      col3 decimal(5,2),
-      col4 varchar(30)
+      col2 integer
     )`)
 
     const data = tempDb.export()
     const buffer = new Blob([data])
     buffer.name = 'foo.sqlite'
 
-    const { schema, dbName } = await db.loadDb(buffer)
-    expect(dbName).to.equal('foo')
+    sinon.spy(db, 'refreshSchema')
+
+    await db.loadDb(buffer)
+    await db.refreshSchema.returnValues[0]
+    const schema = db.schema
+    expect(db.dbName).to.equal('foo')
     expect(schema).to.have.lengthOf(1)
     expect(schema[0].name).to.equal('test')
+
     expect(schema[0].columns[0].name).to.equal('col1')
     expect(schema[0].columns[0].type).to.equal('N/A')
+
     expect(schema[0].columns[1].name).to.equal('col2')
     expect(schema[0].columns[1].type).to.equal('integer')
-    expect(schema[0].columns[2].name).to.equal('col3')
-    expect(schema[0].columns[2].type).to.equal('decimal(5, 2)')
-    expect(schema[0].columns[3].name).to.equal('col4')
-    expect(schema[0].columns[3].type).to.equal('varchar(30)')
   })
 
-  it('creates schema with virtual table', async () => {
-    const SQL = await getSQL
-    const tempDb = new SQL.Database()
-    tempDb.run(`
-      CREATE VIRTUAL TABLE test_virtual USING fts4(
-        col1, col2,
-        notindexed=col1, notindexed=col2,
-        tokenize=unicode61 "tokenchars=.+#")
-    `)
+  it('creates empty db with name database', async () => {
+    sinon.spy(db, 'refreshSchema')
 
-    const data = tempDb.export()
-    const buffer = new Blob([data])
-    buffer.name = 'foo.sqlite'
-
-    const { schema } = await db.loadDb(buffer)
-    expect(schema[0].name).to.equal('test_virtual')
-    expect(schema[0].columns[0].name).to.equal('col1')
-    expect(schema[0].columns[0].type).to.equal('N/A')
-    expect(schema[0].columns[1].name).to.equal('col2')
-    expect(schema[0].columns[1].type).to.equal('N/A')
+    await db.loadDb()
+    await db.refreshSchema.returnValues[0]
+    expect(db.dbName).to.equal('database')
   })
 
   it('loadDb throws errors', async () => {
-    const SQL = await getSQL
-    const tempDb = new SQL.Database()
-    tempDb.run('CREATE TABLE test (col1, col2)')
-
-    const data = tempDb.export()
-    const buffer = new Blob([data])
+    const buffer = new Blob([])
     buffer.name = 'foo.sqlite'
 
     sinon.stub(db.pw, 'postMessage').resolves({ error: new Error('foo') })
@@ -136,7 +117,7 @@ describe('database.js', () => {
     await expect(db.execute('SELECT * from foo')).to.be.rejectedWith(/^no such table: foo$/)
   })
 
-  it('creates db', async () => {
+  it('adds table from csv', async () => {
     const data = {
       columns: ['id', 'name', 'faculty'],
       values: [
@@ -146,16 +127,19 @@ describe('database.js', () => {
     }
     const progressHandler = sinon.spy()
     const progressCounterId = db.createProgressCounter(progressHandler)
-    const { dbName, schema } = await db.createDb('foo', data, progressCounterId)
-    expect(dbName).to.equal('foo')
-    expect(schema).to.have.lengthOf(1)
-    expect(schema[0].name).to.equal('csv_import')
-    expect(schema[0].columns).to.have.lengthOf(3)
-    expect(schema[0].columns[0]).to.eql({ name: 'id', type: 'real' })
-    expect(schema[0].columns[1]).to.eql({ name: 'name', type: 'text' })
-    expect(schema[0].columns[2]).to.eql({ name: 'faculty', type: 'text' })
+    sinon.spy(db, 'refreshSchema')
 
-    const result = await db.execute('SELECT * from csv_import')
+    await db.addTableFromCsv('foo', data, progressCounterId)
+    await db.refreshSchema.returnValues[0]
+    expect(db.dbName).to.equal('database')
+    expect(db.schema).to.have.lengthOf(1)
+    expect(db.schema[0].name).to.equal('foo')
+    expect(db.schema[0].columns).to.have.lengthOf(3)
+    expect(db.schema[0].columns[0]).to.eql({ name: 'id', type: 'real' })
+    expect(db.schema[0].columns[1]).to.eql({ name: 'name', type: 'text' })
+    expect(db.schema[0].columns[2]).to.eql({ name: 'faculty', type: 'text' })
+
+    const result = await db.execute('SELECT * from foo')
     expect(result.columns).to.eql(data.columns)
     expect(result.values).to.eql(data.values)
 
@@ -164,7 +148,7 @@ describe('database.js', () => {
     expect(progressHandler.secondCall.calledWith(100)).to.equal(true)
   })
 
-  it('createDb throws errors', async () => {
+  it('addTableFromCsv throws errors', async () => {
     const data = {
       columns: ['id', 'name'],
       values: [
@@ -174,7 +158,7 @@ describe('database.js', () => {
     }
     const progressHandler = sinon.stub()
     const progressCounterId = db.createProgressCounter(progressHandler)
-    await expect(db.createDb('foo', data, progressCounterId))
+    await expect(db.addTableFromCsv('foo', data, progressCounterId))
       .to.be.rejectedWith('column index out of range')
   })
 
@@ -242,4 +226,23 @@ describe('database.js', () => {
     expect(result.values).to.have.lengthOf(1)
     expect(result.values[0]).to.eql([1, 'Harry Potter'])
   })
+
+  it('sanitizeTableName', () => {
+    let name = 'foo[]bar'
+    expect(db.sanitizeTableName(name)).to.equal('foo_bar')
+
+    name = '1 foo(01.05.2020)'
+    expect(db.sanitizeTableName(name)).to.equal('_1_foo_01_05_2020_')
+  })
+
+  it('validateTableName', async () => {
+    await db.execute('CREATE TABLE foo(id)')
+    await expect(db.validateTableName('foo')).to.be.rejectedWith('table "foo" already exists')
+    await expect(db.validateTableName('1foo'))
+      .to.be.rejectedWith("Table name can't start with a digit")
+    await expect(db.validateTableName('foo(05.08.2020)'))
+      .to.be.rejectedWith('Table name can contain only letters, digits and underscores')
+    await expect(db.validateTableName('sqlite_foo'))
+      .to.be.rejectedWith("Table name can't start with sqlite_")
+  })
 })

tests/lib/storedQueries.spec.js

@@ -1,7 +1,7 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
-import storedQueries from '@/storedQueries.js'
-import fu from '@/file.utils'
+import storedQueries from '@/lib/storedQueries'
+import fu from '@/lib/utils/fileIo'
 
 describe('storedQueries.js', () => {
   beforeEach(() => {

tests/lib/utils/fileIo.spec.js

@@ -1,8 +1,8 @@
 import { expect } from 'chai'
-import fu from '@/file.utils'
+import fIo from '@/lib/utils/fileIo'
 import sinon from 'sinon'
 
-describe('file.utils.js', () => {
+describe('fileIo.js', () => {
   afterEach(() => {
     sinon.restore()
   })
@@ -15,7 +15,7 @@ describe('file.utils.js', () => {
     sinon.spy(URL, 'revokeObjectURL')
     sinon.spy(window, 'Blob')
 
-    fu.exportToFile('foo', 'foo.txt')
+    fIo.exportToFile('foo', 'foo.txt')
 
     expect(document.createElement.calledOnceWith('a')).to.equal(true)
 
@@ -40,7 +40,7 @@ describe('file.utils.js', () => {
     sinon.spy(URL, 'revokeObjectURL')
     sinon.spy(window, 'Blob')
 
-    fu.exportToFile('foo', 'foo.html', 'text/html')
+    fIo.exportToFile('foo', 'foo.html', 'text/html')
 
     expect(document.createElement.calledOnceWith('a')).to.equal(true)
 
@@ -71,7 +71,7 @@ describe('file.utils.js', () => {
 
     setTimeout(() => { spyInput.dispatchEvent(new Event('change')) })
 
-    const data = await fu.importFile()
+    const data = await fIo.importFile()
     expect(data).to.equal('foo')
     expect(document.createElement.calledOnceWith('input')).to.equal(true)
     expect(spyInput.type).to.equal('file')
@@ -82,13 +82,13 @@ describe('file.utils.js', () => {
   it('readFile', () => {
     sinon.spy(window, 'fetch')
 
-    fu.readFile('./foo.bar')
+    fIo.readFile('./foo.bar')
     expect(window.fetch.calledOnceWith('./foo.bar')).to.equal(true)
   })
 
   it('readAsArrayBuffer resolves', async () => {
     const blob = new Blob(['foo'])
-    const buffer = await fu.readAsArrayBuffer(blob)
+    const buffer = await fIo.readAsArrayBuffer(blob)
 
     const uint8Array = new Uint8Array(buffer)
     const text = new TextDecoder().decode(uint8Array)
@@ -103,6 +103,34 @@ describe('file.utils.js', () => {
     sinon.stub(window, 'FileReader').returns(r)
 
     const blob = new Blob(['foo'])
-    await expect(fu.readAsArrayBuffer(blob)).to.be.rejectedWith('Problem parsing input file.')
+    await expect(fIo.readAsArrayBuffer(blob)).to.be.rejectedWith('Problem parsing input file.')
+  })
+
+  it('isDatabase', () => {
+    let file = { type: 'application/vnd.sqlite3' }
+    expect(fIo.isDatabase(file)).to.equal(true)
+
+    file = { type: 'application/x-sqlite3' }
+    expect(fIo.isDatabase(file)).to.equal(true)
+
+    file = { type: '', name: 'test.db' }
+    expect(fIo.isDatabase(file)).to.equal(true)
+
+    file = { type: '', name: 'test.sqlite' }
+    expect(fIo.isDatabase(file)).to.equal(true)
+
+    file = { type: '', name: 'test.sqlite3' }
+    expect(fIo.isDatabase(file)).to.equal(true)
+
+    file = { type: '', name: 'test.csv' }
+    expect(fIo.isDatabase(file)).to.equal(false)
+
+    file = { type: 'text', name: 'test.db' }
+    expect(fIo.isDatabase(file)).to.equal(false)
+  })
+
+  it('getFileName', () => {
+    expect(fIo.getFileName({ name: 'foo.csv' })).to.equal('foo')
+    expect(fIo.getFileName({ name: 'foo.bar.db' })).to.equal('foo.bar')
   })
 })

tests/lib/utils/time.spec.js

@@ -1,23 +1,23 @@
 import { expect } from 'chai'
-import time from '@/time'
+import time from '@/lib/utils/time'
 
 describe('time.js', () => {
   it('getPeriod', () => {
     // 1.01.2021 13:00:00 000
     let start = new Date(2021, 0, 1, 13, 0, 0, 0)
 
-    // 3.01.2021 22:15:20 500
-    let end = new Date(2021, 0, 3, 22, 15, 20, 500)
+    // 1.01.2021 13:01:00 500
+    let end = new Date(2021, 0, 1, 13, 1, 0, 500)
 
-    expect(time.getPeriod(start, end)).to.equal('2 d 9 h 15 m 20 s 500 ms')
+    expect(time.getPeriod(start, end)).to.equal('60.500s')
 
     // 1.01.2021 13:00:00 000
     start = new Date(2021, 0, 1, 13, 0, 0, 0)
 
-    // 1.01.2021 22:00:20 000
-    end = new Date(2021, 0, 1, 22, 0, 20, 0)
+    // 1.01.2021 13:00:20 500
+    end = new Date(2021, 0, 1, 13, 0, 20, 500)
 
-    expect(time.getPeriod(start, end)).to.equal('9 h 20 s')
+    expect(time.getPeriod(start, end)).to.equal('20.500s')
 
     // 1.01.2021 13:00:00 000
     start = new Date(2021, 0, 1, 13, 0, 0, 0)
@@ -25,6 +25,6 @@ describe('time.js', () => {
     // 1.01.2021 13:00:00 45
     end = new Date(2021, 0, 1, 13, 0, 0, 45)
 
-    expect(time.getPeriod(start, end)).to.equal('45 ms')
+    expect(time.getPeriod(start, end)).to.equal('0.045s')
   })
 })

tests/store/actions.spec.js

@@ -0,0 +1,67 @@
+import { expect } from 'chai'
+import actions from '@/store/actions'
+
+const { addTab } = actions
+
+describe('actions', () => {
+  it('addTab adds new blank tab', async () => {
+    const state = {
+      tabs: [],
+      untitledLastIndex: 0
+    }
+
+    const id = await addTab({ state })
+    expect(state.tabs[0].id).to.eql(id)
+    expect(state.tabs[0].name).to.eql(null)
+    expect(state.tabs[0].tempName).to.eql('Untitled')
+    expect(state.tabs[0].isUnsaved).to.eql(true)
+    expect(state.untitledLastIndex).to.equal(1)
+  })
+
+  it('addTab adds tab from saved queries', async () => {
+    const state = {
+      tabs: [],
+      untitledLastIndex: 0
+    }
+    const tab = {
+      id: 1,
+      name: 'test',
+      tempName: null,
+      query: 'SELECT * from foo',
+      chart: {},
+      isUnsaved: false
+    }
+    await addTab({ state }, tab)
+    expect(state.tabs[0]).to.eql(tab)
+    expect(state.untitledLastIndex).to.equal(0)
+  })
+
+  it("addTab doesn't add anything when the query is already opened", async () => {
+    const tab1 = {
+      id: 1,
+      name: 'test',
+      tempName: null,
+      query: 'SELECT * from foo',
+      chart: {},
+      isUnsaved: false
+    }
+
+    const tab2 = {
+      id: 2,
+      name: 'bar',
+      tempName: null,
+      query: 'SELECT * from bar',
+      chart: {},
+      isUnsaved: false
+    }
+
+    const state = {
+      tabs: [tab1, tab2],
+      untitledLastIndex: 0
+    }
+
+    await addTab({ state }, tab1)
+    expect(state.tabs).to.have.lengthOf(2)
+    expect(state.untitledLastIndex).to.equal(0)
+  })
+})

tests/store/mutations.spec.js

@@ -1,8 +1,7 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
-import { mutations, actions } from '@/store'
+import mutations from '@/store/mutations'
 const {
-  saveSchema,
   updateTab,
   deleteTab,
   setCurrentTabId,
@@ -11,8 +10,6 @@ const {
   setDb
 } = mutations
 
-const { addTab } = actions
-
 describe('mutations', () => {
   it('setDb', () => {
     const state = {
@@ -26,25 +23,6 @@ describe('mutations', () => {
     expect(oldDb.shutDown.calledOnce).to.equal(true)
   })
 
-  it('saveSchema', () => {
-    const state = {}
-
-    const schema = [
-      {
-        name: 'table1',
-        columns: [
-          { name: 'id', type: 'INTEGER' }
-        ]
-      }
-    ]
-    saveSchema(state, {
-      dbName: 'test',
-      schema
-    })
-    expect(state.dbName).to.equal('test')
-    expect(state.schema).to.eql(schema)
-  })
-
   it('updateTab (save)', () => {
     const tab = {
       id: 1,
@@ -376,66 +354,3 @@ describe('mutations', () => {
     expect(state.predefinedQueries).to.eql(queries)
   })
 })
-
-describe('actions', () => {
-  it('addTab adds new blank tab', async () => {
-    const state = {
-      tabs: [],
-      untitledLastIndex: 0
-    }
-
-    const id = await addTab({ state })
-    expect(state.tabs[0].id).to.eql(id)
-    expect(state.tabs[0].name).to.eql(null)
-    expect(state.tabs[0].tempName).to.eql('Untitled')
-    expect(state.tabs[0].isUnsaved).to.eql(true)
-    expect(state.untitledLastIndex).to.equal(1)
-  })
-
-  it('addTab adds tab from saved queries', async () => {
-    const state = {
-      tabs: [],
-      untitledLastIndex: 0
-    }
-    const tab = {
-      id: 1,
-      name: 'test',
-      tempName: null,
-      query: 'SELECT * from foo',
-      chart: {},
-      isUnsaved: false
-    }
-    await addTab({ state }, tab)
-    expect(state.tabs[0]).to.eql(tab)
-    expect(state.untitledLastIndex).to.equal(0)
-  })
-
-  it("addTab doesn't add anything when the query is already opened", async () => {
-    const tab1 = {
-      id: 1,
-      name: 'test',
-      tempName: null,
-      query: 'SELECT * from foo',
-      chart: {},
-      isUnsaved: false
-    }
-
-    const tab2 = {
-      id: 2,
-      name: 'bar',
-      tempName: null,
-      query: 'SELECT * from bar',
-      chart: {},
-      isUnsaved: false
-    }
-
-    const state = {
-      tabs: [tab1, tab2],
-      untitledLastIndex: 0
-    }
-
-    await addTab({ state }, tab1)
-    expect(state.tabs).to.have.lengthOf(2)
-    expect(state.untitledLastIndex).to.equal(0)
-  })
-})

tests/tooltipMixin.spec.js

@@ -1,8 +1,8 @@
 import { expect } from 'chai'
 import { mount } from '@vue/test-utils'
-import tooltipMixin from '@/mixins/tooltips.js'
+import tooltipMixin from '@/tooltipMixin'
 
-describe('tooltips.js', () => {
+describe('tooltipMixin.js', () => {
   it('tooltip is hidden in initial', () => {
     const component = {
       template: '<div :style="tooltipStyle"></div>',

tests/views/MainView/Editor/Schema/Schema.spec.js

@@ -0,0 +1,178 @@
+import { expect } from 'chai'
+import sinon from 'sinon'
+import { mount, createLocalVue } from '@vue/test-utils'
+import Vuex from 'vuex'
+import Schema from '@/views/Main/Editor/Schema'
+import TableDescription from '@/views/Main/Editor/Schema/TableDescription'
+import database from '@/lib/database'
+import fIo from '@/lib/utils/fileIo'
+import csv from '@/components/CsvImport/csv'
+
+const localVue = createLocalVue()
+localVue.use(Vuex)
+
+describe('Schema.vue', () => {
+  afterEach(() => {
+    sinon.restore()
+  })
+
+  it('Renders DB name on initial', () => {
+    // mock store state
+    const state = {
+      db: {
+        dbName: 'fooDB'
+      }
+    }
+    const store = new Vuex.Store({ state })
+
+    // mout the component
+    const wrapper = mount(Schema, { store, localVue })
+
+    // check DB name and schema visibility
+    expect(wrapper.find('.db-name').text()).to.equal('fooDB')
+    expect(wrapper.find('.schema').isVisible()).to.equal(true)
+  })
+
+  it('Schema visibility is toggled when click on DB name', async () => {
+    // mock store state
+    const state = {
+      db: {
+        dbName: 'fooDB'
+      }
+    }
+    const store = new Vuex.Store({ state })
+
+    // mout the component
+    const wrapper = mount(Schema, { store, localVue })
+
+    // click and check visibility
+    await wrapper.find('.db-name').trigger('click')
+    expect(wrapper.find('.schema').isVisible()).to.equal(false)
+    await wrapper.find('.db-name').trigger('click')
+    expect(wrapper.find('.schema').isVisible()).to.equal(true)
+  })
+
+  it('Schema filter', async () => {
+    // mock store state
+    const state = {
+      db: {
+        dbName: 'fooDB',
+        schema: [
+          {
+            name: 'foo',
+            columns: [
+              { name: 'id', type: 'INTEGER' },
+              { name: 'title', type: 'NVARCHAR(24)' }
+            ]
+          },
+          {
+            name: 'bar',
+            columns: [
+              { name: 'id', type: 'INTEGER' },
+              { name: 'price', type: 'INTEGER' }
+            ]
+          },
+          {
+            name: 'foobar',
+            columns: [
+              { name: 'id', type: 'INTEGER' },
+              { name: 'price', type: 'INTEGER' }
+            ]
+          }
+        ]
+      }
+    }
+    const store = new Vuex.Store({ state })
+
+    // mount the component
+    const wrapper = mount(Schema, { store, localVue })
+
+    // apply filters and check the list of tables
+    await wrapper.find('#schema-filter input').setValue('foo')
+    let tables = wrapper.findAllComponents(TableDescription)
+    expect(tables).to.have.lengthOf(2)
+    expect(tables.at(0).vm.name).to.equal('foo')
+    expect(tables.at(1).vm.name).to.equal('foobar')
+
+    await wrapper.find('#schema-filter input').setValue('bar')
+    tables = wrapper.findAllComponents(TableDescription)
+    expect(tables).to.have.lengthOf(2)
+    expect(tables.at(0).vm.name).to.equal('bar')
+    expect(tables.at(1).vm.name).to.equal('foobar')
+
+    await wrapper.find('#schema-filter input').setValue('')
+    tables = wrapper.findAllComponents(TableDescription)
+    expect(tables).to.have.lengthOf(3)
+    expect(tables.at(0).vm.name).to.equal('foo')
+    expect(tables.at(1).vm.name).to.equal('bar')
+    expect(tables.at(2).vm.name).to.equal('foobar')
+  })
+
+  it('exports db', async () => {
+    const state = {
+      db: {
+        dbName: 'fooDB',
+        export: sinon.stub().resolves()
+      }
+    }
+    const store = new Vuex.Store({ state })
+    const wrapper = mount(Schema, { store, localVue })
+
+    await wrapper.findComponent({ name: 'export-icon' }).find('svg').trigger('click')
+    expect(state.db.export.calledOnceWith('fooDB'))
+  })
+
+  it('adds table', async () => {
+    const file = { name: 'test.csv' }
+    sinon.stub(fIo, 'getFileFromUser').resolves(file)
+
+    sinon.stub(csv, 'parse').resolves({
+      delimiter: '|',
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo']
+        ]
+      },
+      hasErrors: false,
+      messages: []
+    })
+
+    const state = {
+      db: database.getNewDatabase()
+    }
+    state.db.dbName = 'db'
+    state.db.execute('CREATE TABLE foo(id)')
+    state.db.refreshSchema()
+    sinon.spy(state.db, 'refreshSchema')
+
+    const store = new Vuex.Store({ state })
+    const wrapper = mount(Schema, { store, localVue })
+    sinon.spy(wrapper.vm.$refs.addCsv, 'previewCsv')
+    sinon.spy(wrapper.vm, 'addCsv')
+    sinon.spy(wrapper.vm.$refs.addCsv, 'loadFromCsv')
+
+    await wrapper.findComponent({ name: 'add-table-icon' }).find('svg').trigger('click')
+    await wrapper.vm.$refs.addCsv.previewCsv.returnValues[0]
+    await wrapper.vm.addCsv.returnValues[0]
+    await wrapper.vm.$nextTick()
+    await wrapper.vm.$nextTick()
+    expect(wrapper.find('[data-modal="addCsv"]').exists()).to.equal(true)
+    await wrapper.find('#csv-import').trigger('click')
+    await wrapper.vm.$refs.addCsv.loadFromCsv.returnValues[0]
+    await wrapper.find('#csv-finish').trigger('click')
+    expect(wrapper.find('[data-modal="addCsv"]').exists()).to.equal(false)
+    await state.db.refreshSchema.returnValues[0]
+
+    expect(wrapper.vm.$store.state.db.schema).to.eql([
+      { name: 'test', columns: [{ name: 'col1', type: 'real' }, { name: 'col2', type: 'text' }] },
+      { name: 'foo', columns: [{ name: 'id', type: 'N/A' }] }
+    ])
+
+    const res = await wrapper.vm.$store.state.db.execute('select * from test')
+    expect(res).to.eql({
+      columns: ['col1', 'col2'],
+      values: [[1, 'foo']]
+    })
+  })
+})

tests/views/MainView/Editor/Schema/TableDescription.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { shallowMount } from '@vue/test-utils'
-import TableDescription from '@/components/TableDescription.vue'
+import TableDescription from '@/views/Main/Editor/Schema/TableDescription'
 
 describe('TableDescription.vue', () => {
   it('Initially the columns are hidden and table name is rendered', () => {

tests/views/MainView/Editor/Tabs/Tab/Chart/Chart.spec.js

@@ -1,8 +1,8 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
 import { mount, shallowMount } from '@vue/test-utils'
-import Chart from '@/components/Chart.vue'
-import chart from '@/chart.js'
+import Chart from '@/views/Main/Editor/Tabs/Tab/Chart'
+import chartHelper from '@/views/Main/Editor/Tabs/Tab/Chart/chartHelper'
 import * as dereference from 'react-chart-editor/lib/lib/dereference'
 
 describe('Chart.vue', () => {
@@ -14,7 +14,7 @@ describe('Chart.vue', () => {
     // mount the component
     const wrapper = shallowMount(Chart)
     const vm = wrapper.vm
-    const stub = sinon.stub(chart, 'getChartStateForSave').returns('result')
+    const stub = sinon.stub(chartHelper, 'getChartStateForSave').returns('result')
     const chartData = vm.getChartStateForSave()
     expect(stub.calledOnceWith(vm.state, vm.dataSources)).to.equal(true)
     expect(chartData).to.equal('result')

tests/views/MainView/Editor/Tabs/Tab/Chart/chartHelper.spec.js

@@ -1,9 +1,9 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
-import * as chart from '@/chart'
+import * as chartHelper from '@/views/Main/Editor/Tabs/Tab/Chart/chartHelper'
 import * as dereference from 'react-chart-editor/lib/lib/dereference'
 
-describe('chart.js', () => {
+describe('chartHelper.js', () => {
   afterEach(() => {
     sinon.restore()
   })
@@ -17,7 +17,7 @@ describe('chart.js', () => {
       ]
     }
 
-    const ds = chart.getDataSourcesFromSqlResult(sqlResult)
+    const ds = chartHelper.getDataSourcesFromSqlResult(sqlResult)
     expect(ds).to.eql({
       id: [1, 2],
       name: ['foo', 'bar']
@@ -30,7 +30,7 @@ describe('chart.js', () => {
       name: ['foo', 'bar']
     }
 
-    const ds = chart.getOptionsFromDataSources(dataSources)
+    const ds = chartHelper.getOptionsFromDataSources(dataSources)
     expect(ds).to.eql([
       { value: 'id', label: 'id' },
       { value: 'name', label: 'name' }
@@ -53,7 +53,7 @@ describe('chart.js', () => {
     sinon.stub(dereference, 'default')
     sinon.spy(JSON, 'parse')
 
-    const ds = chart.getChartStateForSave(state, dataSources)
+    const ds = chartHelper.getChartStateForSave(state, dataSources)
 
     expect(dereference.default.calledOnce).to.equal(true)
 

tests/views/MainView/Editor/Tabs/Tab/SqlEditor/SqlEditor.spec.js

@@ -1,6 +1,6 @@
 import { expect } from 'chai'
 import { mount } from '@vue/test-utils'
-import SqlEditor from '@/components/SqlEditor.vue'
+import SqlEditor from '@/views/Main/Editor/Tabs/Tab/SqlEditor'
 
 describe('SqlEditor.vue', () => {
   it('Emits input event when a query is changed', async () => {

tests/views/MainView/Editor/Tabs/Tab/SqlEditor/hint.spec.js

@@ -1,7 +1,7 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
-import { state } from '@/store'
-import hint, { getHints } from '@/hint'
+import state from '@/store/state'
+import showHint, { getHints } from '@/views/Main/Editor/Tabs/Tab/SqlEditor/hint'
 import CM from 'codemirror'
 
 describe('hint.js', () => {
@@ -11,22 +11,24 @@ describe('hint.js', () => {
 
   it('Calculates table list for hint', () => {
     // mock store state
-    const schema = [
-      {
-        name: 'foo',
-        columns: [
-          { name: 'fooId', type: 'INTEGER' },
-          { name: 'name', type: 'NVARCHAR(20)' }
-        ]
-      },
-      {
-        name: 'bar',
-        columns: [
-          { name: 'barId', type: 'INTEGER' }
-        ]
-      }
-    ]
-    sinon.stub(state, 'schema').value(schema)
+    const db = {
+      schema: [
+        {
+          name: 'foo',
+          columns: [
+            { name: 'fooId', type: 'INTEGER' },
+            { name: 'name', type: 'NVARCHAR(20)' }
+          ]
+        },
+        {
+          name: 'bar',
+          columns: [
+            { name: 'barId', type: 'INTEGER' }
+          ]
+        }
+      ]
+    }
+    sinon.stub(state, 'db').value(db)
 
     // mock showHint and editor
     sinon.stub(CM, 'showHint')
@@ -40,15 +42,45 @@ describe('hint.js', () => {
       getCursor: sinon.stub()
     }
 
-    const clock = sinon.useFakeTimers()
-    hint.show(editor)
-    clock.tick(500)
+    showHint(editor)
 
     expect(CM.showHint.called).to.equal(true)
     expect(CM.showHint.firstCall.args[2].tables).to.eql({
       foo: ['fooId', 'name'],
       bar: ['barId']
     })
+    expect(CM.showHint.firstCall.args[2].defaultTable).to.equal(null)
+  })
+
+  it('Add default table if there is only one table in schema', () => {
+    // mock store state
+    const db = {
+      schema: [
+        {
+          name: 'foo',
+          columns: [
+            { name: 'fooId', type: 'INTEGER' },
+            { name: 'name', type: 'NVARCHAR(20)' }
+          ]
+        }
+      ]
+    }
+    sinon.stub(state, 'db').value(db)
+
+    // mock showHint and editor
+    sinon.stub(CM, 'showHint')
+    const editor = {
+      getTokenAt () {
+        return {
+          string: 'SELECT',
+          type: 'keyword'
+        }
+      },
+      getCursor: sinon.stub()
+    }
+
+    showHint(editor)
+    expect(CM.showHint.firstCall.args[2].defaultTable).to.equal('foo')
   })
 
   it("Doesn't show hint when in string or space, or ';'", () => {
@@ -64,10 +96,7 @@ describe('hint.js', () => {
       getCursor: sinon.stub()
     }
 
-    const clock = sinon.useFakeTimers()
-    hint.show(editor)
-    clock.tick(500)
-
+    showHint(editor)
     expect(CM.showHint.called).to.equal(false)
   })
 
@@ -84,10 +113,7 @@ describe('hint.js', () => {
       getCursor: sinon.stub()
     }
 
-    const clock = sinon.useFakeTimers()
-    hint.show(editor)
-    clock.tick(500)
-
+    showHint(editor)
     expect(CM.showHint.called).to.equal(false)
   })
 
@@ -104,10 +130,7 @@ describe('hint.js', () => {
       getCursor: sinon.stub()
     }
 
-    const clock = sinon.useFakeTimers()
-    hint.show(editor)
-    clock.tick(500)
-
+    showHint(editor)
     expect(CM.showHint.called).to.equal(false)
   })
 
@@ -171,7 +194,7 @@ describe('hint.js', () => {
 
   it('tables is empty object when schema is null', () => {
     // mock store state
-    sinon.stub(state, 'schema').value(null)
+    sinon.stub(state, 'db').value({ schema: null })
 
     // mock showHint and editor
     sinon.stub(CM, 'showHint')
@@ -185,10 +208,7 @@ describe('hint.js', () => {
       getCursor: sinon.stub()
     }
 
-    const clock = sinon.useFakeTimers()
-    hint.show(editor)
-    clock.tick(500)
-
+    showHint(editor)
     expect(CM.showHint.called).to.equal(true)
     expect(CM.showHint.firstCall.args[2].tables).to.eql({})
   })

tests/views/MainView/Editor/Tabs/Tab/Tab.spec.js

@@ -1,9 +1,9 @@
 import { expect } from 'chai'
 import sinon from 'sinon'
 import { mount } from '@vue/test-utils'
-import { mutations } from '@/store'
+import mutations from '@/store/mutations'
 import Vuex from 'vuex'
-import Tab from '@/components/Tab.vue'
+import Tab from '@/views/Main/Editor/Tabs/Tab'
 
 describe('Tab.vue', () => {
   afterEach(() => {
@@ -115,6 +115,7 @@ describe('Tab.vue', () => {
     })
 
     state.currentTabId = 1
+    await wrapper.vm.$nextTick()
     expect(mutations.setCurrentTab.calledOnceWith(state, wrapper.vm)).to.equal(true)
   })
 
@@ -181,7 +182,8 @@ describe('Tab.vue', () => {
     const state = {
       currentTabId: 1,
       db: {
-        execute: sinon.stub().rejects(new Error('There is no table foo'))
+        execute: sinon.stub().rejects(new Error('There is no table foo')),
+        refreshSchema: sinon.stub().resolves()
       }
     }
 
@@ -202,9 +204,9 @@ describe('Tab.vue', () => {
 
     await wrapper.vm.execute()
     expect(wrapper.find('.table-view .result-before').isVisible()).to.equal(false)
-    expect(wrapper.find('.table-view .result-in-progress').isVisible()).to.equal(false)
-    expect(wrapper.find('.table-preview.error').isVisible()).to.equal(true)
-    expect(wrapper.find('.table-preview.error').text()).to.include('There is no table foo')
+    expect(wrapper.find('.table-view .result-in-progress').exists()).to.equal(false)
+    expect(wrapper.findComponent({ name: 'logs' }).isVisible()).to.equal(true)
+    expect(wrapper.findComponent({ name: 'logs' }).text()).to.include('There is no table foo')
   })
 
   it('Passes result to sql-table component', async () => {
@@ -220,7 +222,7 @@ describe('Tab.vue', () => {
       currentTabId: 1,
       db: {
         execute: sinon.stub().resolves(result),
-        getSchema: sinon.stub().resolves({ dbName: '', schema: [] })
+        refreshSchema: sinon.stub().resolves()
       }
     }
 
@@ -242,8 +244,8 @@ describe('Tab.vue', () => {
 
     await wrapper.vm.execute()
     expect(wrapper.find('.table-view .result-before').isVisible()).to.equal(false)
-    expect(wrapper.find('.table-view .result-in-progress').isVisible()).to.equal(false)
-    expect(wrapper.find('.table-preview.error').isVisible()).to.equal(false)
+    expect(wrapper.find('.table-view .result-in-progress').exists()).to.equal(false)
+    expect(wrapper.findComponent({ name: 'logs' }).exists()).to.equal(false)
     expect(wrapper.findComponent({ name: 'SqlTable' }).vm.dataSet).to.eql(result)
   })
 
@@ -252,36 +254,17 @@ describe('Tab.vue', () => {
       columns: ['id', 'name'],
       values: []
     }
-    const newSchema = {
-      dbName: 'fooDb',
-      schema: [
-        {
-          name: 'foo',
-          columns: [
-            { name: 'id', type: 'INTEGER' },
-            { name: 'title', type: 'NVARCHAR(30)' }
-          ]
-        },
-        {
-          name: 'bar',
-          columns: [
-            { name: 'a', type: 'N/A' },
-            { name: 'b', type: 'N/A' }
-          ]
-        }
-      ]
-    }
+
     // mock store state
     const state = {
       currentTabId: 1,
       dbName: 'fooDb',
       db: {
         execute: sinon.stub().resolves(result),
-        getSchema: sinon.stub().resolves(newSchema)
+        refreshSchema: sinon.stub().resolves()
       }
     }
 
-    sinon.spy(mutations, 'saveSchema')
     const store = new Vuex.Store({ state, mutations })
 
     // mount the component
@@ -299,7 +282,6 @@ describe('Tab.vue', () => {
     })
 
     await wrapper.vm.execute()
-    expect(state.db.getSchema.calledOnceWith('fooDb')).to.equal(true)
-    expect(mutations.saveSchema.calledOnceWith(state, newSchema)).to.equal(true)
+    expect(state.db.refreshSchema.calledOnce).to.equal(true)
   })
 })