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1
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const inputHelper = require('../../helper/input') |
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2
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3
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describe('Input helper', () => { |
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4
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const spy = jest.spyOn(console, 'error').mockImplementation(() => {}) |
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5
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6
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it('input is a file path', () => { |
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7
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const mockCallback = jest.fn() |
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8
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inputHelper('test/sample.html', mockCallback) |
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9
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expect(mockCallback.mock.calls.length).toBe(1) |
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10
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expect(mockCallback.mock.calls[0][0]).toMatchSnapshot() |
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11
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}) |
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12
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13
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it('input is a not existed file path', () => { |
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14
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const mockCallback = jest.fn() |
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15
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inputHelper('test/dummy.html', mockCallback) |
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16
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expect(spy).toHaveBeenCalled() |
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17
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expect(mockCallback.mock.calls.length).toBe(0) |
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18
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expect(spy.mock.calls[0][0]).toContain('Cannot read file') |
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19
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}) |
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20
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21
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it('input is a read stream', done => { |
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22
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const Readable = require('stream').Readable |
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23
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const readable = new Readable() |
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24
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const mockCallback = jest.fn(() => {}) |
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25
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readable._read = () => {} |
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26
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readable.push('streamData 1') |
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27
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readable.push('streamData 2') |
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28
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readable.push('streamData 3') |
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29
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inputHelper(readable, mockCallback) |
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30
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setTimeout(() => { |
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31
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try { |
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32
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expect(mockCallback.mock.calls[0][0]).toBe('streamData 1') |
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33
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expect(mockCallback.mock.calls[1][0]).toBe('streamData 2') |
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34
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expect(mockCallback.mock.calls[2][0]).toBe('streamData 3') |
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35
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done() |
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36
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} catch (err) { |
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37
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done.fail(err) |
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38
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} |
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39
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}, 2000) |
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40
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}) |
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41
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42
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it('input is invalid', () => { |
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43
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inputHelper(null) |
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44
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expect(spy).toHaveBeenCalled() |
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45
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expect(spy.mock.calls[1][0]).toContain('Invalid Input') |
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46
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}) |
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47
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}) |
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48
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hal2dy /
html-scan
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This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.
To learn more about declaring variables in Javascript, see the MDN.