CSV import as a table and db connection rework

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

tests/components/DbUploader.spec.js

@@ -0,0 +1,199 @@
+import { expect } from 'chai'
+import sinon from 'sinon'
+import Vuex from 'vuex'
+import { shallowMount, mount } from '@vue/test-utils'
+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 = {
+      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 = { name: 'test.db' }
+    sinon.stub(fu, 'getFileFromUser').resolves(file)
+
+    // mock db loading
+    const db = {
+      loadDb: sinon.stub().resolves()
+    }
+    sinon.stub(database, 'getNewDatabase').returns(db)
+
+    // mock router
+    const $router = { push: sinon.stub() }
+    const $route = { path: '/' }
+
+    // mount the component
+    const wrapper = shallowMount(DbUploader, {
+      attachTo: place,
+      store,
+      mocks: { $router, $route },
+      propsData: {
+        type: 'illustrated'
+      }
+    })
+
+    await wrapper.find('.drop-area').trigger('click')
+    expect(db.loadDb.calledOnceWith(file)).to.equal(true)
+    await db.loadDb.returnValues[0]
+    await wrapper.vm.animationPromise
+    await wrapper.vm.$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 db = {
+      loadDb: sinon.stub().resolves()
+    }
+    sinon.stub(database, 'getNewDatabase').returns(db)
+
+    // mock router
+    const $router = { push: sinon.stub() }
+    const $route = { path: '/' }
+
+    // mount the component
+    const wrapper = shallowMount(DbUploader, {
+      attachTo: place,
+      store,
+      mocks: { $router, $route },
+      propsData: {
+        type: 'illustrated'
+      }
+    })
+
+    // mock a file dropped by a user
+    const file = { name: 'test.db' }
+    const dropData = { dataTransfer: new DataTransfer() }
+    Object.defineProperty(dropData.dataTransfer, 'files', {
+      value: [file],
+      writable: false
+    })
+
+    await wrapper.find('.drop-area').trigger('drop', dropData)
+    expect(db.loadDb.calledOnceWith(file)).to.equal(true)
+    await db.loadDb.returnValues[0]
+    await wrapper.vm.animationPromise
+    await wrapper.vm.$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 = { name: 'test.db' }
+    sinon.stub(fu, 'getFileFromUser').resolves(file)
+
+    // mock db loading
+    const db = {
+      loadDb: sinon.stub().resolves()
+    }
+    sinon.stub(database, 'getNewDatabase').returns(db)
+
+    // mock router
+    const $router = { push: sinon.stub() }
+    const $route = { path: '/editor' }
+
+    // mount the component
+    const wrapper = shallowMount(DbUploader, {
+      attachTo: place,
+      store,
+      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)
+    wrapper.destroy()
+  })
+
+  it('shows parse dialog if gets csv file', 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, {
+      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 wrapper.vm.$nextTick()
+    expect(CsvImport.reset.calledOnce).to.equal(true)
+    await wrapper.vm.animationPromise
+    expect(CsvImport.previewCsv.calledOnce).to.equal(true)
+    await wrapper.vm.$nextTick()
+    expect(CsvImport.open.calledOnce).to.equal(true)
+    wrapper.destroy()
+  })
+
+  it('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, $route },
+      propsData: {
+        type: 'illustrated'
+      }
+    })
+
+    const CsvImport = wrapper.vm.$refs.addCsv
+    sinon.stub(CsvImport, 'reset')
+    sinon.stub(CsvImport, 'previewCsv').resolves()
+    sinon.stub(CsvImport, 'open')
+
+    await wrapper.find('.drop-area').trigger('click')
+    await wrapper.vm.$nextTick()
+    await CsvImport.$emit('cancel')
+    expect(wrapper.vm.newDb).to.equal(null)
+  })
+})