1 files changed, 154 insertions, 0 deletions
diff --git a/spec/models/application_setting_spec.rb b/spec/models/application_setting_spec.rb
index 166a4474abf..fb485d0b2c6 100644
--- a/spec/models/application_setting_spec.rb
+++ b/spec/models/application_setting_spec.rb
@@ -214,6 +214,160 @@ describe ApplicationSetting, models: true do
     end
   end
 
+  describe 'performance bar settings' do
+    describe 'performance_bar_allowed_group_id=' do
+      context 'with a blank path' do
+        before do
+          setting.performance_bar_allowed_group_id = create(:group).full_path
+        end
+
+        it 'persists nil for a "" path and clears allowed user IDs cache' do
+          expect(Gitlab::PerformanceBar).to receive(:expire_allowed_user_ids_cache)
+
+          setting.performance_bar_allowed_group_id = ''
+
+          expect(setting.performance_bar_allowed_group_id).to be_nil
+        end
+      end
+
+      context 'with an invalid path' 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
+      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
+          context 'with a blank path' do
+            before do
+              setting.performance_bar_allowed_group_id = nil
+            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 = ''
+            end
+          end
+
+          context 'with a valid path' 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
+    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' do
+        let(:group) { create(:group) }
+
+        before do
+          setting.performance_bar_allowed_group_id = group.full_path
+        end
+
+        it 'returns true' do
+          expect(setting.performance_bar_enabled).to be_truthy
+        end
+      end
+    end
+
+    describe 'performance_bar_enabled=' do
+      context 'when the performance bar is enabled' do
+        let(:group) { create(:group) }
+
+        before do
+          setting.performance_bar_allowed_group_id = group.full_path
+        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.performance_bar_allowed_group_id).to eq(group.id)
+            expect(setting.performance_bar_enabled).to be_truthy
+          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.performance_bar_allowed_group_id).to be_nil
+            expect(setting.performance_bar_enabled).to be_falsey
+          end
+        end
+      end
+
+      context 'when the performance bar is disabled' do
+        context 'when passing true' do
+          it 'does nothing and 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.performance_bar_allowed_group_id).to be_nil
+            expect(setting.performance_bar_enabled).to be_falsey
+          end
+        end
+
+        context 'when passing false' do
+          it 'does nothing and 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.performance_bar_allowed_group_id).to be_nil
+            expect(setting.performance_bar_enabled).to be_falsey
+          end
+        end
+      end
+    end
+  end
+
   describe 'usage ping settings' do
     context 'when the usage ping is disabled in gitlab.yml' do
       before do