Created shortUrlsList reducer test

test/short-urls/reducers/shortUrlsList.test.js

@@ -0,0 +1,120 @@
+import * as sinon from 'sinon';
+import reducer, {
+  LIST_SHORT_URLS,
+  LIST_SHORT_URLS_ERROR,
+  LIST_SHORT_URLS_START,
+  listShortUrls,
+} from '../../../src/short-urls/reducers/shortUrlsList';
+import { SHORT_URL_TAGS_EDITED } from '../../../src/short-urls/reducers/shortUrlTags';
+import { SHORT_URL_DELETED } from '../../../src/short-urls/reducers/shortUrlDeletion';
+
+describe('shortUrlsListReducer', () => {
+  describe('reducer', () => {
+    it('returns loading on LIST_SHORT_URLS_START', () =>
+      expect(reducer(undefined, { type: LIST_SHORT_URLS_START })).toEqual({
+        shortUrls: {},
+        loading: true,
+        error: false,
+      }));
+
+    it('returns short URLs on LIST_SHORT_URLS', () =>
+      expect(reducer(undefined, { type: LIST_SHORT_URLS, shortUrls: { data: [], paginator: {} } })).toEqual({
+        shortUrls: { data: [], paginator: {} },
+        loading: false,
+        error: false,
+      }));
+
+    it('returns error on LIST_SHORT_URLS_ERROR', () =>
+      expect(reducer(undefined, { type: LIST_SHORT_URLS_ERROR })).toEqual({
+        shortUrls: {},
+        loading: false,
+        error: true,
+      }));
+
+    it('Updates tags on matching URL on SHORT_URL_TAGS_EDITED', () => {
+      const shortCode = 'abc123';
+      const tags = [ 'foo', 'bar', 'baz' ];
+      const state = {
+        shortUrls: {
+          data: [
+            { shortCode, tags: [] },
+            { shortCode: 'foo', tags: [] },
+          ],
+        },
+      };
+
+      expect(reducer(state, { type: SHORT_URL_TAGS_EDITED, shortCode, tags })).toEqual({
+        shortUrls: {
+          data: [
+            { shortCode, tags },
+            { shortCode: 'foo', tags: [] },
+          ],
+        },
+      });
+    });
+
+    it('Removes matching URL on SHORT_URL_DELETED', () => {
+      const shortCode = 'abc123';
+      const state = {
+        shortUrls: {
+          data: [
+            { shortCode },
+            { shortCode: 'foo' },
+          ],
+        },
+      };
+
+      expect(reducer(state, { type: SHORT_URL_DELETED, shortCode })).toEqual({
+        shortUrls: {
+          data: [{ shortCode: 'foo' }],
+        },
+      });
+    });
+
+    it('returns provided state as is on unknown action', () => {
+      const state = { foo: 'bar' };
+
+      expect(reducer(state, { type: 'unknown' })).toEqual(state);
+    });
+  });
+
+  describe('listShortUrls', () => {
+    const dispatch = sinon.spy();
+    const getState = sinon.fake.returns({ selectedServer: {} });
+
+    afterEach(() => {
+      dispatch.resetHistory();
+      getState.resetHistory();
+    });
+
+    it('dispatches proper actions if API client request succeeds', async () => {
+      const apiClientMock = {
+        listShortUrls: sinon.fake.resolves([]),
+      };
+      const expectedDispatchCalls = 2;
+
+      await listShortUrls(() => apiClientMock)()(dispatch, getState);
+
+      expect(dispatch.callCount).toEqual(expectedDispatchCalls);
+      expect(dispatch.getCall(0).args).toEqual([{ type: LIST_SHORT_URLS_START }]);
+      expect(dispatch.getCall(1).args).toEqual([{ type: LIST_SHORT_URLS, shortUrls: [], params: {} }]);
+
+      expect(apiClientMock.listShortUrls.callCount).toEqual(1);
+    });
+
+    it('dispatches proper actions if API client request fails', async () => {
+      const apiClientMock = {
+        listShortUrls: sinon.fake.rejects(),
+      };
+      const expectedDispatchCalls = 2;
+
+      await listShortUrls(() => apiClientMock)()(dispatch, getState);
+
+      expect(dispatch.callCount).toEqual(expectedDispatchCalls);
+      expect(dispatch.getCall(0).args).toEqual([{ type: LIST_SHORT_URLS_START }]);
+      expect(dispatch.getCall(1).args).toEqual([{ type: LIST_SHORT_URLS_ERROR, params: {} }]);
+
+      expect(apiClientMock.listShortUrls.callCount).toEqual(1);
+    });
+  });
+});