1 files changed, 145 insertions, 0 deletions
diff --git a/spec/models/application_setting_spec.rb b/spec/models/application_setting_spec.rb
index 166a4474abf..4b7281d593a 100644
--- a/spec/models/application_setting_spec.rb
+++ b/spec/models/application_setting_spec.rb
@@ -214,6 +214,151 @@ describe ApplicationSetting, models: true do
     end
   end
 
+  describe 'performance bar settings' do
+    before do
+      Flipper.unregister_groups
+      Flipper.register(:performance_team)
+    end
+
+    after do
+      Flipper.unregister_groups
+    end
+
+    describe 'performance_bar_allowed_group_id=' do
+      it 'does not persist an invalid group path' do
+        setting.performance_bar_allowed_group_id = 'foo'
+
+        expect(setting.performance_bar_allowed_group_id).to be_nil
+      end
+
+      context 'with a path to an existing group' do
+        let(:group) { create(:group) }
+
+        it 'persists a valid group path and clears allowed user IDs cache' do
+          expect(Gitlab::PerformanceBar).to receive(:expire_allowed_user_ids_cache)
+
+          setting.performance_bar_allowed_group_id = group.full_path
+
+          expect(setting.performance_bar_allowed_group_id).to eq(group.id)
+        end
+
+        context 'when the given path is the same' do
+          before do
+            setting.performance_bar_allowed_group_id = group.full_path
+          end
+
+          it 'clears the cached allowed user IDs' do
+            expect(Gitlab::PerformanceBar).not_to receive(:expire_allowed_user_ids_cache)
+
+            setting.performance_bar_allowed_group_id = group.full_path
+          end
+        end
+      end
+    end
+
+    describe 'performance_bar_allowed_group' do
+      context 'with no performance_bar_allowed_group_id saved' do
+        it 'returns nil' do
+          expect(setting.performance_bar_allowed_group).to be_nil
+        end
+      end
+
+      context 'with a performance_bar_allowed_group_id saved' do
+        let(:group) { create(:group) }
+
+        before do
+          setting.performance_bar_allowed_group_id = group.full_path
+        end
+
+        it 'returns the group' do
+          expect(setting.performance_bar_allowed_group).to eq(group)
+        end
+      end
+    end
+
+    describe 'performance_bar_enabled?' do
+      context 'with the Performance Bar is enabled globally' do
+        before do
+          Feature.enable(:performance_bar)
+        end
+
+        it 'returns true' do
+          expect(setting).to be_performance_bar_enabled
+        end
+      end
+
+      context 'with the Performance Bar is enabled for the performance_team group' do
+        before do
+          Feature.enable_group(:performance_bar, :performance_team)
+        end
+
+        it 'returns true' do
+          expect(setting).to be_performance_bar_enabled
+        end
+      end
+
+      context 'with the Performance Bar is enabled for a specific user' do
+        before do
+          Feature.enable(:performance_team, create(:user))
+        end
+
+        it 'returns false' do
+          expect(setting).not_to be_performance_bar_enabled
+        end
+      end
+    end
+
+    describe 'performance_bar_enabled=' do
+      context 'when the performance bar is enabled' do
+        before do
+          Feature.enable(:performance_bar)
+        end
+
+        context 'when passing true' do
+          it 'does not clear allowed user IDs cache' do
+            expect(Gitlab::PerformanceBar).not_to receive(:expire_allowed_user_ids_cache)
+            setting.performance_bar_enabled = true
+
+            expect(setting).to be_performance_bar_enabled
+          end
+        end
+
+        context 'when passing false' do
+          it 'disables the performance bar and clears allowed user IDs cache' do
+            expect(Gitlab::PerformanceBar).to receive(:expire_allowed_user_ids_cache)
+            setting.performance_bar_enabled = false
+
+            expect(setting).not_to be_performance_bar_enabled
+          end
+        end
+      end
+
+      context 'when the performance bar is disabled' do
+        before do
+          Feature.disable(:performance_bar)
+        end
+
+        context 'when passing true' do
+          it 'enables the performance bar and clears allowed user IDs cache' do
+            expect(Gitlab::PerformanceBar).to receive(:expire_allowed_user_ids_cache)
+            setting.performance_bar_enabled = true
+
+            expect(setting).to be_performance_bar_enabled
+          end
+        end
+
+        context 'when passing false' do
+          it 'does not clear allowed user IDs cache' do
+            expect(Gitlab::PerformanceBar).not_to receive(:expire_allowed_user_ids_cache)
+            setting.performance_bar_enabled = false
+
+            expect(setting).not_to be_performance_bar_enabled
+          end
+        end
+      end
+    end
+  end
+
   describe 'usage ping settings' do
     context 'when the usage ping is disabled in gitlab.yml' do
       before do