Created tagVisits reducer test

test/visits/reducers/tagVisits.test.js

@@ -0,0 +1,120 @@
+import reducer, {
+  getTagVisits,
+  cancelGetTagVisits,
+  GET_TAG_VISITS_START,
+  GET_TAG_VISITS_ERROR,
+  GET_TAG_VISITS,
+  GET_TAG_VISITS_LARGE,
+  GET_TAG_VISITS_CANCEL,
+} from '../../../src/visits/reducers/tagVisits';
+import { CREATE_VISIT } from '../../../src/visits/reducers/visitCreation';
+
+describe('tagVisitsReducer', () => {
+  describe('reducer', () => {
+    it('returns loading on GET_TAG_VISITS_START', () => {
+      const state = reducer({ loading: false }, { type: GET_TAG_VISITS_START });
+      const { loading } = state;
+
+      expect(loading).toEqual(true);
+    });
+
+    it('returns loadingLarge on GET_TAG_VISITS_LARGE', () => {
+      const state = reducer({ loadingLarge: false }, { type: GET_TAG_VISITS_LARGE });
+      const { loadingLarge } = state;
+
+      expect(loadingLarge).toEqual(true);
+    });
+
+    it('returns cancelLoad on GET_TAG_VISITS_CANCEL', () => {
+      const state = reducer({ cancelLoad: false }, { type: GET_TAG_VISITS_CANCEL });
+      const { cancelLoad } = state;
+
+      expect(cancelLoad).toEqual(true);
+    });
+
+    it('stops loading and returns error on GET_TAG_VISITS_ERROR', () => {
+      const state = reducer({ loading: true, error: false }, { type: GET_TAG_VISITS_ERROR });
+      const { loading, error } = state;
+
+      expect(loading).toEqual(false);
+      expect(error).toEqual(true);
+    });
+
+    it('return visits on GET_TAG_VISITS', () => {
+      const actionVisits = [{}, {}];
+      const state = reducer({ loading: true, error: false }, { type: GET_TAG_VISITS, visits: actionVisits });
+      const { loading, error, visits } = state;
+
+      expect(loading).toEqual(false);
+      expect(error).toEqual(false);
+      expect(visits).toEqual(actionVisits);
+    });
+
+    it.each([
+      [{ tag: 'foo' }, [{}, {}, {}]],
+      [{ tag: 'bar' }, [{}, {}]],
+    ])('appends a new visit on CREATE_VISIT', (state, expectedVisits) => {
+      const shortUrl = {
+        tags: [ 'foo', 'baz' ],
+      };
+      const prevState = {
+        ...state,
+        visits: [{}, {}],
+      };
+
+      const { visits } = reducer(prevState, { type: CREATE_VISIT, shortUrl, visit: {} });
+
+      expect(visits).toEqual(expectedVisits);
+    });
+  });
+
+  describe('getTagVisits', () => {
+    const buildApiClientMock = (returned) => ({
+      getTagVisits: jest.fn(typeof returned === 'function' ? returned : () => returned),
+    });
+    const dispatchMock = jest.fn();
+    const getState = () => ({
+      tagVisits: { cancelVisits: false },
+    });
+
+    beforeEach(jest.resetAllMocks);
+
+    it('dispatches start and error when promise is rejected', async () => {
+      const ShlinkApiClient = buildApiClientMock(Promise.reject());
+
+      await getTagVisits(() => ShlinkApiClient)('foo')(dispatchMock, getState);
+
+      expect(dispatchMock).toHaveBeenCalledTimes(2);
+      expect(dispatchMock).toHaveBeenNthCalledWith(1, { type: GET_TAG_VISITS_START });
+      expect(dispatchMock).toHaveBeenNthCalledWith(2, { type: GET_TAG_VISITS_ERROR });
+      expect(ShlinkApiClient.getTagVisits).toHaveBeenCalledTimes(1);
+    });
+
+    it.each([
+      [ undefined ],
+      [{}],
+    ])('dispatches start and success when promise is resolved', async (query) => {
+      const visits = [{}, {}];
+      const tag = 'foo';
+      const ShlinkApiClient = buildApiClientMock(Promise.resolve({
+        data: visits,
+        pagination: {
+          currentPage: 1,
+          pagesCount: 1,
+        },
+      }));
+
+      await getTagVisits(() => ShlinkApiClient)(tag, query)(dispatchMock, getState);
+
+      expect(dispatchMock).toHaveBeenCalledTimes(2);
+      expect(dispatchMock).toHaveBeenNthCalledWith(1, { type: GET_TAG_VISITS_START });
+      expect(dispatchMock).toHaveBeenNthCalledWith(2, { type: GET_TAG_VISITS, visits, tag });
+      expect(ShlinkApiClient.getTagVisits).toHaveBeenCalledTimes(1);
+    });
+  });
+
+  describe('cancelGetTagVisits', () => {
+    it('just returns the action with proper type', () =>
+      expect(cancelGetTagVisits()).toEqual({ type: GET_TAG_VISITS_CANCEL }));
+  });
+});