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import reducer, { |
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selectServer, |
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resetSelectedServer, |
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RESET_SELECTED_SERVER, |
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SELECT_SERVER, |
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} from '../../../src/servers/reducers/selectedServer'; |
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import { RESET_SHORT_URL_PARAMS } from '../../../src/short-urls/reducers/shortUrlsListParams'; |
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describe('selectedServerReducer', () => { |
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describe('reducer', () => { |
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it('returns default when action is RESET_SELECTED_SERVER', () => |
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expect(reducer(null, { type: RESET_SELECTED_SERVER })).toEqual(null)); |
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it('returns selected server when action is SELECT_SERVER', () => { |
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const selectedServer = { id: 'abc123' }; |
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expect(reducer(null, { type: SELECT_SERVER, selectedServer })).toEqual(selectedServer); |
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}); |
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}); |
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describe('resetSelectedServer', () => { |
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it('returns proper action', () => { |
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expect(resetSelectedServer()).toEqual({ type: RESET_SELECTED_SERVER }); |
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}); |
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}); |
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describe('selectServer', () => { |
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const serverId = 'abc123'; |
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const selectedServer = { |
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id: serverId, |
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}; |
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const ServersServiceMock = { |
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findServerById: jest.fn(() => selectedServer), |
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}; |
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afterEach(() => { |
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ServersServiceMock.findServerById.mockClear(); |
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}); |
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it('dispatches proper actions', () => { |
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const dispatch = jest.fn(); |
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selectServer(ServersServiceMock)(serverId)(dispatch); |
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expect(dispatch).toHaveBeenCalledTimes(2); |
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expect(dispatch).toHaveBeenNthCalledWith(1, { type: RESET_SHORT_URL_PARAMS }); |
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expect(dispatch).toHaveBeenNthCalledWith(2, { type: SELECT_SERVER, selectedServer }); |
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}); |
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it('invokes dependencies', () => { |
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selectServer(ServersServiceMock)(serverId)(() => {}); |
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expect(ServersServiceMock.findServerById).toHaveBeenCalledTimes(1); |
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}); |
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}); |
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}); |
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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.