Merge branch '365922-add-link-to-change-failure-rate-from-tile' into 'master'

Add link to change failure rate chart from tile

See merge request gitlab-org/gitlab!92529

doc/user/analytics/index.md

@@ -131,7 +131,7 @@ To retrieve metrics for change failure rate, use the [GraphQL](../../api/graphql
 | `lead_time_for_changes`   | Project           | [GitLab 13.10 and later](../../api/dora/metrics.md) | GitLab 13.11 and later                                | Unit in seconds. Aggregation method is median. |
 | `lead_time_for_changes`   | Group             | [GitLab 13.10 and later](../../api/dora/metrics.md) | GitLab 14.0 and later                                 | Unit in seconds. Aggregation method is median. |
 | `time_to_restore_service` | Project and group | [GitLab 14.9 and later](../../api/dora/metrics.md)  | GitLab 15.1 and later                                 | Unit in days. Aggregation method is median.    |
-| `change_failure_rate`     | Project and group | [GitLab 14.10 and later](../../api/dora/metrics.md) | Not supported                                         |                                                |
+| `change_failure_rate`     | Project and group | [GitLab 14.10 and later](../../api/dora/metrics.md) | GitLab 15.2 and later                                 | Percentage of deployments.                     |                 |
 
 ## Definitions
 

ee/lib/gitlab/analytics/cycle_analytics/summary/change_failure_rate.rb

@@ -27,11 +27,26 @@ def value
 
           def links
             helpers = Gitlab::Routing.url_helpers
+
+            dashboard_link =
+              if @stage.parent.is_a?(::Group)
+                helpers.group_analytics_ci_cd_analytics_path(@stage.parent, tab: 'change-failure-rate')
+              else
+                helpers.charts_project_pipelines_path(@stage.parent, chart: 'change-failure-rate')
+              end
+
             [
-              { "name" => _('Change Failure Rate'),
+              {
+                "name" => _('Change Failure Rate'),
+                "url" => dashboard_link,
+                "label" => s_('ValueStreamAnalytics|Dashboard')
+              },
+              {
+                "name" => _('Change Failure Rate'),
                 "url" => helpers.help_page_path('user/analytics/index', anchor: 'change-failure-rate'),
                 "docs_link" => true,
-                "label" => s_('ValueStreamAnalytics|Go to docs') }
+                "label" => s_('ValueStreamAnalytics|Go to docs')
+              }
             ]
           end
 

ee/spec/lib/gitlab/analytics/cycle_analytics/summary/change_failure_rate_spec.rb

@@ -48,17 +48,48 @@
   describe '#links' do
     subject { described_class.new(stage: stage, current_user: user, options: options).links }
 
-    it 'displays documentation link' do
+    it 'displays documentation link and group dashboard link' do
       helpers = Gitlab::Routing.url_helpers
 
       expect(subject).to match_array(
         [
-          { "name" => _('Change Failure Rate'),
+          {
+            "name" => _('Change Failure Rate'),
+            "url" => helpers.group_analytics_ci_cd_analytics_path(stage.parent, tab: 'change-failure-rate'),
+            "label" => s_('ValueStreamAnalytics|Dashboard')
+          },
+          {
+            "name" => _('Change Failure Rate'),
             "url" => helpers.help_page_path('user/analytics/index', anchor: 'change-failure-rate'),
             "docs_link" => true,
-            "label" => s_('ValueStreamAnalytics|Go to docs') }
+            "label" => s_('ValueStreamAnalytics|Go to docs')
+          }
         ]
       )
     end
+
+    context 'when the stage parent is a project' do
+      let(:stage) { build(:cycle_analytics_project_stage) }
+
+      it 'displays documentation link and group dashboard link' do
+        helpers = Gitlab::Routing.url_helpers
+
+        expect(subject).to match_array(
+          [
+            {
+              "name" => _('Change Failure Rate'),
+              "url" => helpers.charts_project_pipelines_path(stage.parent, chart: 'change-failure-rate'),
+              "label" => s_('ValueStreamAnalytics|Dashboard')
+            },
+            {
+              "name" => _('Change Failure Rate'),
+              "url" => helpers.help_page_path('user/analytics/index', anchor: 'change-failure-rate'),
+              "docs_link" => true,
+              "label" => s_('ValueStreamAnalytics|Go to docs')
+            }
+          ]
+        )
+      end
+    end
   end
 end