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Simplified code making it easier to read

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This commit is contained in:
Alejandro Celaya
2019-04-19 12:52:55 +02:00
parent 28ca54547e
commit 33d67cbe3d
8 changed files with 40 additions and 74 deletions
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16
test/short-urls/reducers/shortUrlCreation.test.js
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@@ -55,22 +55,19 @@ describe('shortUrlCreationReducer', () => {
afterEach(() => dispatch.mockReset());
it('calls API on success', async () => {
const expectedDispatchCalls = 2;
const result = 'foo';
const apiClientMock = createApiClientMock(Promise.resolve(result));
const dispatchable = createShortUrl(() => apiClientMock)({});
await dispatchable(dispatch, getState);
const [ firstDispatchCallArgs, secondDispatchCallArgs ] = dispatch.mock.calls;
expect(apiClientMock.createShortUrl).toHaveBeenCalledTimes(1);
expect(dispatch).toHaveBeenCalledTimes(expectedDispatchCalls);
expect(firstDispatchCallArgs).toEqual([{ type: CREATE_SHORT_URL_START }]);
expect(secondDispatchCallArgs).toEqual([{ type: CREATE_SHORT_URL, result }]);
expect(dispatch).toHaveBeenCalledTimes(2);
expect(dispatch).toHaveBeenNthCalledWith(1, { type: CREATE_SHORT_URL_START });
expect(dispatch).toHaveBeenNthCalledWith(2, { type: CREATE_SHORT_URL, result });
});
it('throws on error', async () => {
const expectedDispatchCalls = 2;
const error = 'Error';
const apiClientMock = createApiClientMock(Promise.reject(error));
const dispatchable = createShortUrl(() => apiClientMock)({});
@@ -80,12 +77,11 @@ describe('shortUrlCreationReducer', () => {
} catch (e) {
expect(e).toEqual(error);
}
const [ firstDispatchCallArgs, secondDispatchCallArgs ] = dispatch.mock.calls;
expect(apiClientMock.createShortUrl).toHaveBeenCalledTimes(1);
expect(dispatch).toHaveBeenCalledTimes(expectedDispatchCalls);
expect(firstDispatchCallArgs).toEqual([{ type: CREATE_SHORT_URL_START }]);
expect(secondDispatchCallArgs).toEqual([{ type: CREATE_SHORT_URL_ERROR }]);
expect(dispatch).toHaveBeenCalledTimes(2);
expect(dispatch).toHaveBeenNthCalledWith(1, { type: CREATE_SHORT_URL_START });
expect(dispatch).toHaveBeenNthCalledWith(2, { type: CREATE_SHORT_URL_ERROR });
});
});
});

20
test/short-urls/reducers/shortUrlDeletion.test.js
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@@ -70,17 +70,15 @@ describe('shortUrlDeletionReducer', () => {
deleteShortUrl: jest.fn(() => ''),
};
const shortCode = 'abc123';
const expectedDispatchCalls = 2;
await deleteShortUrl(() => apiClientMock)(shortCode)(dispatch, getState);
const [ firstDispatchCallArgs, secondDispatchCallArgs ] = dispatch.mock.calls;
expect(dispatch).toHaveBeenCalledTimes(expectedDispatchCalls);
expect(firstDispatchCallArgs).toEqual([{ type: DELETE_SHORT_URL_START }]);
expect(secondDispatchCallArgs).toEqual([{ type: DELETE_SHORT_URL, shortCode }]);
expect(dispatch).toHaveBeenCalledTimes(2);
expect(dispatch).toHaveBeenNthCalledWith(1, { type: DELETE_SHORT_URL_START });
expect(dispatch).toHaveBeenNthCalledWith(2, { type: DELETE_SHORT_URL, shortCode });
expect(apiClientMock.deleteShortUrl).toHaveBeenCalledTimes(1);
expect(apiClientMock.deleteShortUrl.mock.calls[0]).toEqual([ shortCode ]);
expect(apiClientMock.deleteShortUrl).toHaveBeenCalledWith(shortCode);
});
it('dispatches proper actions if API client request fails', async () => {
@@ -90,21 +88,19 @@ describe('shortUrlDeletionReducer', () => {
deleteShortUrl: jest.fn(() => Promise.reject(error)),
};
const shortCode = 'abc123';
const expectedDispatchCalls = 2;
try {
await deleteShortUrl(() => apiClientMock)(shortCode)(dispatch, getState);
} catch (e) {
expect(e).toEqual(error);
}
const [ firstDispatchCallArgs, secondDispatchCallArgs ] = dispatch.mock.calls;
expect(dispatch).toHaveBeenCalledTimes(expectedDispatchCalls);
expect(firstDispatchCallArgs).toEqual([{ type: DELETE_SHORT_URL_START }]);
expect(secondDispatchCallArgs).toEqual([{ type: DELETE_SHORT_URL_ERROR, errorData: data }]);
expect(dispatch).toHaveBeenCalledTimes(2);
expect(dispatch).toHaveBeenNthCalledWith(1, { type: DELETE_SHORT_URL_START });
expect(dispatch).toHaveBeenNthCalledWith(2, { type: DELETE_SHORT_URL_ERROR, errorData: data });
expect(apiClientMock.deleteShortUrl).toHaveBeenCalledTimes(1);
expect(apiClientMock.deleteShortUrl.mock.calls[0]).toEqual([ shortCode ]);
expect(apiClientMock.deleteShortUrl).toHaveBeenCalledWith(shortCode);
});
});
});

16
test/short-urls/reducers/shortUrlsList.test.js
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@@ -84,14 +84,12 @@ describe('shortUrlsListReducer', () => {
const apiClientMock = {
listShortUrls: jest.fn().mockResolvedValue([]),
};
const expectedDispatchCalls = 2;
await listShortUrls(() => apiClientMock)()(dispatch, getState);
const [ firstDispatchCallArgs, secondDispatchCallArgs ] = dispatch.mock.calls;
expect(dispatch).toHaveBeenCalledTimes(expectedDispatchCalls);
expect(firstDispatchCallArgs).toEqual([{ type: LIST_SHORT_URLS_START }]);
expect(secondDispatchCallArgs).toEqual([{ type: LIST_SHORT_URLS, shortUrls: [], params: {} }]);
expect(dispatch).toHaveBeenCalledTimes(2);
expect(dispatch).toHaveBeenNthCalledWith(1, { type: LIST_SHORT_URLS_START });
expect(dispatch).toHaveBeenNthCalledWith(2, { type: LIST_SHORT_URLS, shortUrls: [], params: {} });
expect(apiClientMock.listShortUrls).toHaveBeenCalledTimes(1);
});
@@ -100,14 +98,12 @@ describe('shortUrlsListReducer', () => {
const apiClientMock = {
listShortUrls: jest.fn().mockRejectedValue(),
};
const expectedDispatchCalls = 2;
await listShortUrls(() => apiClientMock)()(dispatch, getState);
const [ firstDispatchCallArgs, secondDispatchCallArgs ] = dispatch.mock.calls;
expect(dispatch).toHaveBeenCalledTimes(expectedDispatchCalls);
expect(firstDispatchCallArgs).toEqual([{ type: LIST_SHORT_URLS_START }]);
expect(secondDispatchCallArgs).toEqual([{ type: LIST_SHORT_URLS_ERROR, params: {} }]);
expect(dispatch).toHaveBeenCalledTimes(2);
expect(dispatch).toHaveBeenNthCalledWith(1, { type: LIST_SHORT_URLS_START });
expect(dispatch).toHaveBeenNthCalledWith(2, { type: LIST_SHORT_URLS_ERROR, params: {} });
expect(apiClientMock.listShortUrls).toHaveBeenCalledTimes(1);
});