add tests for csv module #27

src/csv.js

@@ -7,7 +7,7 @@ const hintsByCode = {
 }
 
 export default {
-  getResut (source) {
+  getResult (source) {
     const result = {}
     if (source.meta.fields) {
       result.columns = source.meta.fields
@@ -20,7 +20,7 @@ export default {
       result.values = source.data
       result.columns = []
       for (let i = 1; i <= source.data[0].length; i++) {
-        result.columns.push(`col ${i}`)
+        result.columns.push(`col${i}`)
       }
     }
 
@@ -44,7 +44,7 @@ export default {
         step: undefined,
         complete: results => {
           const res = {
-            data: this.getResut(results),
+            data: this.getResult(results),
             delimiter: results.meta.delimiter,
             hasErrors: false
           }

tests/unit/csv.spec.js

@@ -0,0 +1,117 @@
+import { expect } from 'chai'
+import sinon from 'sinon'
+import csv from '@/csv'
+import Papa from 'papaparse'
+
+describe('csv.js', () => {
+  afterEach(() => {
+    sinon.restore()
+  })
+
+  it('getResult with fields', () => {
+    const source = {
+      data: [
+        {id: 1, name: 'foo'},
+        {id: 2, name: 'bar'}
+      ],
+      meta: {
+        fields: ['id', 'name']
+      }
+    }
+    expect(csv.getResult(source)).to.eql({
+      columns: ['id', 'name'],
+      values: [
+        [1, 'foo'],
+        [2, 'bar']
+      ]
+    })
+  })
+
+  it('getResult without fields', () => {
+    const source = {
+      data: [
+        [1, 'foo'],
+        [2, 'bar']
+      ],
+      meta: {}
+    }
+    expect(csv.getResult(source)).to.eql({
+      columns: ['col1', 'col2'],
+      values: [
+        [1, 'foo'],
+        [2, 'bar']
+      ]
+    })
+  })
+
+  it('parse resolves', async () => {
+    Papa.parse = sinon.stub().callsFake((file, config) => {
+      config.complete({
+        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
+        }
+      })
+    })
+    const file = {}
+    const result = await csv.parse(file)
+    expect(result).to.eql({
+      data: {
+        columns: ['col1', 'col2'],
+        values: [
+          [1, 'foo'],
+          [2, 'bar']
+        ]
+      },
+      delimiter: ',',
+      hasErrors: true,
+      messages: [
+        {
+          type: 'Quotes',
+          code: 'MissingQuotes',
+          message: 'Quote is missed',
+          row: 0,
+          type: 'error',
+          hint: 'Edit your CSV so that the field has a closing quote char.'
+        },
+        {
+          type: 'Delimiter',
+          code: 'UndetectableDelimiter',
+          message: 'Comma was used as a standart delimiter',
+          row: 0,
+          type: 'info',
+          hint: undefined
+        }
+      ]
+    })
+  })
+
+  it('parse rejects', async () => {
+    const err = new Error('something went wrong')
+    Papa.parse = sinon.stub().callsFake((file, config) => {
+      config.error(err)
+    })
+    const file = {}
+    await expect(csv.parse(file)).to.be.rejectedWith(err)
+  })
+})