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1
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import SettingsService from '../../../src/settings/services/SettingsService'; |
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2
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3
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describe('SettingsService', () => { |
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4
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const settings = { foo: 'bar' }; |
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5
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const createService = (withSettings = true) => { |
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6
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const storageMock = { |
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7
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set: jest.fn(), |
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8
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get: jest.fn(() => withSettings ? settings : undefined), |
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9
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}; |
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10
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const service = new SettingsService(storageMock); |
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11
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12
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return [ service, storageMock ]; |
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13
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}; |
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14
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15
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afterEach(jest.resetAllMocks); |
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16
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17
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describe('loadSettings', () => { |
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18
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it.each([ |
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19
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[ false, {}], |
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20
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[ true, settings ], |
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21
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])('returns result if found in storage', (withSettings, expectedResult) => { |
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const [ service, storageMock ] = createService(withSettings); |
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23
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24
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const result = service.loadSettings(); |
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25
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26
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expect(result).toEqual(expectedResult); |
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27
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expect(storageMock.get).toHaveBeenCalledTimes(1); |
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28
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expect(storageMock.set).not.toHaveBeenCalled(); |
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29
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}); |
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30
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}); |
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31
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32
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describe('updateSettings', () => { |
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33
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it.each([ |
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34
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[ false, { hi: 'goodbye' }, { hi: 'goodbye' }], |
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35
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[ true, { hi: 'goodbye' }, { foo: 'bar', hi: 'goodbye' }], |
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36
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[ true, { foo: 'goodbye' }, { foo: 'goodbye' }], |
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37
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])('appends provided data to existing settings', (withSettings, settingsToUpdate, expectedResult) => { |
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const [ service, storageMock ] = createService(withSettings); |
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39
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40
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service.updateSettings(settingsToUpdate); |
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41
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42
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expect(storageMock.get).toHaveBeenCalledTimes(1); |
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43
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expect(storageMock.set).toHaveBeenCalledWith(expect.anything(), expectedResult); |
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44
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}); |
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45
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}); |
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46
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}); |
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47
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shlinkio /
shlink-web-client
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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.