Add commit count to MR Analytics

This commits adds the commit count to the MR
Analytics Throughput table.

ee/app/assets/javascripts/analytics/merge_request_analytics/components/throughput_table.vue

@@ -69,6 +69,12 @@ export default {
       tdClass: 'merge-request-analytics-td',
       thAttr: TH_TEST_ID,
     },
+    {
+      key: 'commits',
+      label: s__('Commits'),
+      tdClass: 'merge-request-analytics-td',
+      thAttr: TH_TEST_ID,
+    },
     {
       key: 'pipelines',
       label: s__('MergeRequestAnalytics|Pipelines'),
@@ -228,6 +234,10 @@ export default {
       </div>
     </template>
 
+    <template #cell(commits)="{ item }">
+      <div :data-testid="$options.testIds.COMMITS">{{ item.commitCount }}</div>
+    </template>
+
     <template #cell(pipelines)="{ item }">
       <div :data-testid="$options.testIds.PIPELINES">{{ item.pipelines.nodes.length }}</div>
     </template>

ee/app/assets/javascripts/analytics/merge_request_analytics/constants.js

@@ -36,6 +36,7 @@ export const THROUGHPUT_TABLE_TEST_IDS = {
   PIPELINES: 'pipelinesCol',
   LINE_CHANGES: 'lineChangesCol',
   ASSIGNEES: 'assigneesCol',
+  COMMITS: 'commitsCol',
 };
 
 export const PIPELINE_STATUS_ICON_CLASSES = {

ee/app/assets/javascripts/analytics/merge_request_analytics/graphql/queries/throughput_table.query.graphql

@@ -33,6 +33,7 @@ query($fullPath: ID!, $startDate: Time!, $endDate: Time!, $limit: Int!) {
             }
           }
         }
+        commitCount
       }
     }
   }

ee/spec/frontend/analytics/merge_request_analytics/components/throughput_table_spec.js

@@ -215,6 +215,10 @@ describe('ThroughputTable', () => {
         expect(findCol(TEST_IDS.MILESTONE).text()).toBe(title);
       });
 
+      it('displays the correct commit count', () => {
+        expect(findCol(TEST_IDS.COMMITS).text()).toBe('1');
+      });
+
       it('displays the correct pipeline count', () => {
         expect(findCol(TEST_IDS.PIPELINES).text()).toBe('0');
       });

ee/spec/frontend/analytics/merge_request_analytics/mock_data.js

@@ -51,6 +51,7 @@ export const throughputTableHeaders = [
   'Date Merged',
   'Time to merge',
   'Milestone',
+  'Commits',
   'Pipelines',
   'Line changes',
   'Assignees',
@@ -81,5 +82,6 @@ export const throughputTableData = [
     pipelines: {
       nodes: [],
     },
+    commitCount: 1,
   },
 ];