shlink-web-client/test/visits/reducers/shortUrlDetail.test.js

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import reducer, {
getShortUrlDetail,
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GET_SHORT_URL_DETAIL_START,
GET_SHORT_URL_DETAIL_ERROR,
GET_SHORT_URL_DETAIL,
} from '../../../src/visits/reducers/shortUrlDetail';
describe('shortUrlDetailReducer', () => {
describe('reducer', () => {
it('returns loading on GET_SHORT_URL_DETAIL_START', () => {
const state = reducer({ loading: false }, { type: GET_SHORT_URL_DETAIL_START });
const { loading } = state;
expect(loading).toEqual(true);
});
it('stops loading and returns error on GET_SHORT_URL_DETAIL_ERROR', () => {
const state = reducer({ loading: true, error: false }, { type: GET_SHORT_URL_DETAIL_ERROR });
const { loading, error } = state;
expect(loading).toEqual(false);
expect(error).toEqual(true);
});
it('return short URL on GET_SHORT_URL_DETAIL', () => {
const actionShortUrl = { longUrl: 'foo', shortCode: 'bar' };
const state = reducer({ loading: true, error: false }, { type: GET_SHORT_URL_DETAIL, shortUrl: actionShortUrl });
const { loading, error, shortUrl } = state;
expect(loading).toEqual(false);
expect(error).toEqual(false);
expect(shortUrl).toEqual(actionShortUrl);
});
});
describe('getShortUrlDetail', () => {
const buildApiClientMock = (returned) => ({
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getShortUrl: jest.fn(() => returned),
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});
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const dispatchMock = jest.fn();
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const getState = () => ({});
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beforeEach(() => dispatchMock.mockReset());
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it('dispatches start and error when promise is rejected', async () => {
const ShlinkApiClient = buildApiClientMock(Promise.reject());
await getShortUrlDetail(() => ShlinkApiClient)('abc123')(dispatchMock, getState);
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expect(dispatchMock).toHaveBeenCalledTimes(2);
expect(dispatchMock).toHaveBeenNthCalledWith(1, { type: GET_SHORT_URL_DETAIL_START });
expect(dispatchMock).toHaveBeenNthCalledWith(2, { type: GET_SHORT_URL_DETAIL_ERROR });
expect(ShlinkApiClient.getShortUrl).toHaveBeenCalledTimes(1);
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});
it('dispatches start and success when promise is resolved', async () => {
const resolvedShortUrl = { longUrl: 'foo', shortCode: 'bar' };
const ShlinkApiClient = buildApiClientMock(Promise.resolve(resolvedShortUrl));
await getShortUrlDetail(() => ShlinkApiClient)('abc123')(dispatchMock, getState);
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expect(dispatchMock).toHaveBeenCalledTimes(2);
expect(dispatchMock).toHaveBeenNthCalledWith(1, { type: GET_SHORT_URL_DETAIL_START });
expect(dispatchMock).toHaveBeenNthCalledWith(2, { type: GET_SHORT_URL_DETAIL, shortUrl: resolvedShortUrl });
expect(ShlinkApiClient.getShortUrl).toHaveBeenCalledTimes(1);
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});
});
});