Refactor of redux tests to avoid covering RTK implementation details

This commit is contained in:
Alejandro Celaya
2023-03-18 12:35:33 +01:00
parent 9cefdb7977
commit 4e8e16f16d
21 changed files with 222 additions and 730 deletions

View File

@@ -13,7 +13,7 @@ import {
shortUrlVisitsReducerCreator,
} from '../../../src/visits/reducers/shortUrlVisits';
import { createNewVisits } from '../../../src/visits/reducers/visitCreation';
import type { Visit } from '../../../src/visits/types';
import type { CreateVisit, Visit } from '../../../src/visits/types';
describe('shortUrlVisitsReducer', () => {
const now = new Date();
@@ -29,27 +29,24 @@ describe('shortUrlVisitsReducer', () => {
const buildState = (data: Partial<ShortUrlVisits>) => Mock.of<ShortUrlVisits>(data);
it('returns loading on GET_SHORT_URL_VISITS_START', () => {
const { loading } = reducer(buildState({ loading: false }), { type: getShortUrlVisits.pending.toString() });
const { loading } = reducer(buildState({ loading: false }), getShortUrlVisits.pending('', { shortCode: '' }));
expect(loading).toEqual(true);
});
it('returns loadingLarge on GET_SHORT_URL_VISITS_LARGE', () => {
const { loadingLarge } = reducer(
buildState({ loadingLarge: false }),
{ type: getShortUrlVisits.large.toString() },
);
const { loadingLarge } = reducer(buildState({ loadingLarge: false }), getShortUrlVisits.large());
expect(loadingLarge).toEqual(true);
});
it('returns cancelLoad on GET_SHORT_URL_VISITS_CANCEL', () => {
const { cancelLoad } = reducer(buildState({ cancelLoad: false }), { type: cancelGetShortUrlVisits.toString() });
const { cancelLoad } = reducer(buildState({ cancelLoad: false }), cancelGetShortUrlVisits());
expect(cancelLoad).toEqual(true);
});
it('stops loading and returns error on GET_SHORT_URL_VISITS_ERROR', () => {
const { loading, error } = reducer(
buildState({ loading: true, error: false }),
{ type: getShortUrlVisits.rejected.toString() },
getShortUrlVisits.rejected(null, '', { shortCode: '' }),
);
expect(loading).toEqual(false);
@@ -57,11 +54,11 @@ describe('shortUrlVisitsReducer', () => {
});
it('return visits on GET_SHORT_URL_VISITS', () => {
const actionVisits = [{}, {}];
const { loading, error, visits } = reducer(buildState({ loading: true, error: false }), {
type: getShortUrlVisits.fulfilled.toString(),
payload: { visits: actionVisits },
});
const actionVisits = [Mock.all<Visit>(), Mock.all<Visit>()];
const { loading, error, visits } = reducer(
buildState({ loading: true, error: false }),
getShortUrlVisits.fulfilled({ visits: actionVisits }, '', { shortCode: '' }),
);
expect(loading).toEqual(false);
expect(error).toEqual(false);
@@ -124,25 +121,22 @@ describe('shortUrlVisitsReducer', () => {
visits: visitsMocks,
});
const { visits } = reducer(prevState, {
type: createNewVisits.toString(),
payload: { createdVisits: [{ shortUrl, visit: { date: formatIsoDate(now) ?? undefined } }] },
});
const { visits } = reducer(
prevState,
createNewVisits([Mock.of<CreateVisit>({ shortUrl, visit: { date: formatIsoDate(now) ?? undefined } })]),
);
expect(visits).toHaveLength(expectedVisits);
});
it('returns new progress on GET_SHORT_URL_VISITS_PROGRESS_CHANGED', () => {
const state = reducer(undefined, { type: getShortUrlVisits.progressChanged.toString(), payload: 85 });
expect(state).toEqual(expect.objectContaining({ progress: 85 }));
const { progress } = reducer(undefined, getShortUrlVisits.progressChanged(85));
expect(progress).toEqual(85);
});
it('returns fallbackInterval on GET_SHORT_URL_VISITS_FALLBACK_TO_INTERVAL', () => {
const fallbackInterval: DateInterval = 'last30Days';
const state = reducer(
undefined,
{ type: getShortUrlVisits.fallbackToInterval.toString(), payload: fallbackInterval },
);
const state = reducer(undefined, getShortUrlVisits.fallbackToInterval(fallbackInterval));
expect(state).toEqual(expect.objectContaining({ fallbackInterval }));
});
@@ -154,21 +148,6 @@ describe('shortUrlVisitsReducer', () => {
shortUrlVisits: Mock.of<ShortUrlVisits>({ cancelLoad: false }),
});
it('dispatches start and error when promise is rejected', async () => {
getShortUrlVisitsCall.mockRejectedValue({});
await getShortUrlVisits({ shortCode: 'abc123' })(dispatchMock, getState, {});
expect(dispatchMock).toHaveBeenCalledTimes(2);
expect(dispatchMock).toHaveBeenNthCalledWith(1, expect.objectContaining({
type: getShortUrlVisits.pending.toString(),
}));
expect(dispatchMock).toHaveBeenNthCalledWith(2, expect.objectContaining({
type: getShortUrlVisits.rejected.toString(),
}));
expect(getShortUrlVisitsCall).toHaveBeenCalledTimes(1);
});
it.each([
[undefined, undefined],
[{}, undefined],
@@ -188,11 +167,7 @@ describe('shortUrlVisitsReducer', () => {
await getShortUrlVisits({ shortCode, query })(dispatchMock, getState, {});
expect(dispatchMock).toHaveBeenCalledTimes(2);
expect(dispatchMock).toHaveBeenNthCalledWith(1, expect.objectContaining({
type: getShortUrlVisits.pending.toString(),
}));
expect(dispatchMock).toHaveBeenNthCalledWith(2, expect.objectContaining({
type: getShortUrlVisits.fulfilled.toString(),
expect(dispatchMock).toHaveBeenLastCalledWith(expect.objectContaining({
payload: { visits, shortCode, domain, query: query ?? {} },
}));
expect(getShortUrlVisitsCall).toHaveBeenCalledTimes(1);
@@ -223,12 +198,12 @@ describe('shortUrlVisitsReducer', () => {
it.each([
[
[Mock.of<Visit>({ date: formatISO(subDays(now, 5)) })],
{ type: getShortUrlVisits.fallbackToInterval.toString(), payload: 'last7Days' },
getShortUrlVisits.fallbackToInterval('last7Days'),
3,
],
[
[Mock.of<Visit>({ date: formatISO(subDays(now, 200)) })],
{ type: getShortUrlVisits.fallbackToInterval.toString(), payload: 'last365Days' },
getShortUrlVisits.fallbackToInterval('last365Days'),
3,
],
[[], expect.objectContaining({ type: getShortUrlVisits.fulfilled.toString() }), 2],
@@ -252,16 +227,8 @@ describe('shortUrlVisitsReducer', () => {
await getShortUrlVisits({ shortCode: 'abc123', doIntervalFallback: true })(dispatchMock, getState, {});
expect(dispatchMock).toHaveBeenCalledTimes(expectedDispatchCalls);
expect(dispatchMock).toHaveBeenNthCalledWith(1, expect.objectContaining({
type: getShortUrlVisits.pending.toString(),
}));
expect(dispatchMock).toHaveBeenNthCalledWith(2, expectedSecondDispatch);
expect(getShortUrlVisitsCall).toHaveBeenCalledTimes(2);
});
});
describe('cancelGetShortUrlVisits', () => {
it('just returns the action with proper type', () =>
expect(cancelGetShortUrlVisits()).toEqual({ type: cancelGetShortUrlVisits.toString() }));
});
});