Toggle banner using suggest_pipeline_enabled application setting

Update the logic of showing/hiding the suggest pipeline banner in MR
pages without pipeline to also check the value of
suggest_pipeline_enabled application setting.

Changelog: changed

app/assets/javascripts/vue_merge_request_widget/mr_widget_options.vue

@@ -151,9 +151,9 @@ export default {
       return this.mr.hasCI || this.hasPipelineMustSucceedConflict;
     },
     shouldSuggestPipelines() {
-      return (
-        !this.mr.hasCI && this.mr.mergeRequestAddCiConfigPath && !this.mr.isDismissedSuggestPipeline
-      );
+      const { hasCI, mergeRequestAddCiConfigPath, isDismissedSuggestPipeline } = this.mr;
+
+      return !hasCI && mergeRequestAddCiConfigPath && !isDismissedSuggestPipeline;
     },
     shouldRenderCodeQuality() {
       return this.mr?.codequalityReportsPath;

app/serializers/merge_request_widget_entity.rb

@@ -83,7 +83,10 @@ class MergeRequestWidgetEntity < Grape::Entity
   end
 
   expose :is_dismissed_suggest_pipeline do |_merge_request|
-    current_user && current_user.dismissed_callout?(feature_name: SUGGEST_PIPELINE)
+    next true unless current_user
+    next true unless Gitlab::CurrentSettings.suggest_pipeline_enabled?
+
+    current_user.dismissed_callout?(feature_name: SUGGEST_PIPELINE)
   end
 
   expose :human_access do |merge_request|

spec/features/merge_request/user_sees_suggest_pipeline_spec.rb

@@ -6,9 +6,10 @@ RSpec.describe 'Merge request > User sees suggest pipeline', :js do
   let(:merge_request) { create(:merge_request) }
   let(:project) { merge_request.source_project }
   let(:user) { project.creator }
+  let(:suggest_pipeline_enabled) { true }
 
   before do
-    stub_application_setting(auto_devops_enabled: false)
+    stub_application_setting(suggest_pipeline_enabled: suggest_pipeline_enabled, auto_devops_enabled: false)
     project.add_maintainer(user)
     sign_in(user)
     visit project_merge_request_path(project, merge_request)
@@ -66,4 +67,12 @@ RSpec.describe 'Merge request > User sees suggest pipeline', :js do
     # nudge 4
     expect(page).to have_content("That's it, well done!")
   end
+
+  context 'when feature setting is disabled' do
+    let(:suggest_pipeline_enabled) { false }
+
+    it 'does not show the suggest pipeline widget' do
+      expect(page).not_to have_content('Are you adding technical debt or code vulnerabilities?')
+    end
+  end
 end

spec/serializers/merge_request_widget_entity_spec.rb

@@ -283,28 +283,6 @@ RSpec.describe MergeRequestWidgetEntity do
     it 'provides a valid value for suggest pipeline feature id' do
       expect(subject[:suggest_pipeline_feature_id]).to eq described_class::SUGGEST_PIPELINE
     end
-
-    it 'provides a valid value for if it is dismissed' do
-      expect(subject[:is_dismissed_suggest_pipeline]).to be(false)
-    end
-
-    context 'when the suggest pipeline has been dismissed' do
-      before do
-        create(:user_callout, user: user, feature_name: described_class::SUGGEST_PIPELINE)
-      end
-
-      it 'indicates suggest pipeline has been dismissed' do
-        expect(subject[:is_dismissed_suggest_pipeline]).to be(true)
-      end
-    end
-
-    context 'when user is not logged in' do
-      let(:request) { double('request', current_user: nil, project: project) }
-
-      it 'returns a blank is dismissed value' do
-        expect(subject[:is_dismissed_suggest_pipeline]).to be_nil
-      end
-    end
   end
 
   it 'has human access' do
@@ -395,4 +373,46 @@ RSpec.describe MergeRequestWidgetEntity do
       end
     end
   end
+
+  describe 'is_dismissed_suggest_pipeline' do
+    context 'when user is logged in' do
+      context 'when the suggest pipeline feature is enabled' do
+        before do
+          allow(Gitlab::CurrentSettings).to receive(:suggest_pipeline_enabled?).and_return(true)
+        end
+
+        it 'is false' do
+          expect(subject[:is_dismissed_suggest_pipeline]).to be(false)
+        end
+
+        context 'when suggest pipeline has been dismissed' do
+          before do
+            create(:user_callout, user: user, feature_name: described_class::SUGGEST_PIPELINE)
+          end
+
+          it 'is true' do
+            expect(subject[:is_dismissed_suggest_pipeline]).to be(true)
+          end
+        end
+      end
+
+      context 'when the suggest pipeline feature is disabled' do
+        before do
+          allow(Gitlab::CurrentSettings).to receive(:suggest_pipeline_enabled?).and_return(false)
+        end
+
+        it 'is true' do
+          expect(subject[:is_dismissed_suggest_pipeline]).to be(true)
+        end
+      end
+    end
+
+    context 'when user is not logged in' do
+      let(:request) { double('request', current_user: nil, project: project) }
+
+      it 'is true' do
+        expect(subject[:is_dismissed_suggest_pipeline]).to be(true)
+      end
+    end
+  end
 end