Only request top labels with tasks_by_type flag on

Ensures that we only request the top n labels
when the tasks by type chart feature flag is
enabled.

Updated specs for cycle analytics requests

ee/app/assets/javascripts/analytics/cycle_analytics/store/actions.js

@@ -114,7 +114,7 @@ export const receiveCycleAnalyticsDataSuccess = ({ state, commit, dispatch }) =>
   const { featureFlags: { hasDurationChart = false, hasTasksByTypeChart = false } = {} } = state;
   const promises = [];
   if (hasDurationChart) promises.push('fetchDurationData');
-  if (hasTasksByTypeChart) promises.push('fetchTasksByTypeData');
+  if (hasTasksByTypeChart) promises.push('fetchTopRankedGroupLabels');
   return Promise.all(promises.map(func => dispatch(func)));
 };
 
@@ -132,7 +132,6 @@ export const fetchCycleAnalyticsData = ({ dispatch }) => {
   dispatch('requestCycleAnalyticsData');
   return Promise.resolve()
     .then(() => dispatch('fetchGroupLabels'))
-    .then(() => dispatch('fetchTopRankedGroupLabels'))
     .then(() => dispatch('fetchGroupStagesAndEvents'))
     .then(() => dispatch('fetchStageMedianValues'))
     .then(() => dispatch('fetchSummaryData'))
@@ -225,8 +224,10 @@ export const fetchGroupLabels = ({ dispatch, state }) => {
     );
 };
 
-export const receiveTopRankedGroupLabelsSuccess = ({ commit }, data) =>
+export const receiveTopRankedGroupLabelsSuccess = ({ commit, dispatch }, data) => {
   commit(types.RECEIVE_TOP_RANKED_GROUP_LABELS_SUCCESS, data);
+  dispatch('fetchTasksByTypeData');
+};
 
 export const receiveTopRankedGroupLabelsError = ({ commit }, error) => {
   commit(types.RECEIVE_TOP_RANKED_GROUP_LABELS_ERROR, error);

ee/spec/frontend/analytics/cycle_analytics/components/base_spec.js

@@ -432,6 +432,7 @@ describe('Cycle Analytics component', () => {
       mockFetchStageMedian = true,
       mockFetchDurationData = true,
       mockFetchTasksByTypeData = true,
+      mockFetchTopRankedGroupLabels = true,
     }) => {
       const defaultStatus = 200;
       const defaultRequests = {
@@ -453,9 +454,11 @@ describe('Cycle Analytics component', () => {
         ...overrides,
       };
 
-      mock
-        .onGet(mockData.endpoints.tasksByTypeTopLabelsData)
-        .reply(defaultStatus, mockData.groupLabels);
+      if (mockFetchTopRankedGroupLabels) {
+        mock
+          .onGet(mockData.endpoints.tasksByTypeTopLabelsData)
+          .reply(defaultStatus, mockData.groupLabels);
+      }
 
       if (mockFetchTasksByTypeData) {
         mock
@@ -565,6 +568,16 @@ describe('Cycle Analytics component', () => {
       return selectGroupAndFindError('There was an error fetching data for the selected stage');
     });
 
+    it('will display an error if the fetchTopRankedGroupLabels request fails', () => {
+      expect(findFlashError()).toBeNull();
+
+      mockRequestCycleAnalyticsData({ mockFetchTopRankedGroupLabels: false });
+
+      return selectGroupAndFindError(
+        'There was an error fetching the top labels for the selected group',
+      );
+    });
+
     it('will display an error if the fetchTasksByTypeData request fails', () => {
       expect(findFlashError()).toBeNull();
 

ee/spec/frontend/analytics/cycle_analytics/store/actions_spec.js

@@ -271,6 +271,28 @@ describe('Cycle analytics actions', () => {
           ],
         );
       });
+
+      describe('receiveTopRankedGroupLabelsSuccess', () => {
+        beforeEach(() => {
+          setFixtures('<div class="flash-container"></div>');
+        });
+
+        it(`commits the ${types.RECEIVE_TOP_RANKED_GROUP_LABELS_SUCCESS} mutation and dispatches the 'fetchTasksByTypeData' action`, done => {
+          testAction(
+            actions.receiveTopRankedGroupLabelsSuccess,
+            null,
+            state,
+            [
+              {
+                type: types.RECEIVE_TOP_RANKED_GROUP_LABELS_SUCCESS,
+                payload: null,
+              },
+            ],
+            [{ type: 'fetchTasksByTypeData' }],
+            done,
+          );
+        });
+      });
     });
 
     describe('with an error', () => {
@@ -348,7 +370,6 @@ describe('Cycle analytics actions', () => {
         [
           { type: 'requestCycleAnalyticsData' },
           { type: 'fetchGroupLabels' },
-          { type: 'fetchTopRankedGroupLabels' },
           { type: 'fetchGroupStagesAndEvents' },
           { type: 'fetchStageMedianValues' },
           { type: 'fetchSummaryData' },