Refactor specs for FeatureFlagsController

* Use RSpec one-liner syntax where possible
* Use `have_gitlab_http_status` instead of `be_ok`

ee/spec/controllers/projects/feature_flags_controller_spec.rb

@@ -26,36 +26,24 @@ describe Projects::FeatureFlagsController do
     subject { get(:index, params: view_params) }
 
     context 'when there is no feature flags' do
-      before do
-        subject
-      end
-
-      it 'renders page' do
-        expect(response).to be_ok
+      it 'responds with success' do
+        is_expected.to have_gitlab_http_status(:ok)
       end
     end
 
     context 'for a list of feature flags' do
       let!(:feature_flags) { create_list(:operations_feature_flag, 50, project: project) }
 
-      before do
-        subject
-      end
-
-      it 'renders page' do
-        expect(response).to have_gitlab_http_status(:ok)
+      it 'responds with success' do
+        is_expected.to have_gitlab_http_status(:ok)
       end
     end
 
     context 'when feature is not available' do
       let(:feature_enabled) { false }
 
-      before do
-        subject
-      end
-
-      it 'shows not found' do
-        expect(subject).to have_gitlab_http_status(:not_found)
+      it 'responds with not found' do
+        is_expected.to have_gitlab_http_status(:not_found)
       end
     end
   end
@@ -102,9 +90,7 @@ describe Projects::FeatureFlagsController do
     end
 
     it 'matches json schema' do
-      subject
-
-      expect(response).to match_response_schema('feature_flags', dir: 'ee')
+      is_expected.to match_response_schema('feature_flags', dir: 'ee')
     end
 
     it 'returns false for active when the feature flag is inactive even if it has an active scope' do
@@ -228,9 +214,7 @@ describe Projects::FeatureFlagsController do
     subject { get(:new, params: view_params) }
 
     it 'renders the form' do
-      subject
-
-      expect(response).to be_ok
+      is_expected.to have_gitlab_http_status(:ok)
     end
   end
 
@@ -257,9 +241,7 @@ describe Projects::FeatureFlagsController do
     end
 
     it 'matches json schema' do
-      subject
-
-      expect(response).to match_response_schema('feature_flag', dir: 'ee')
+      is_expected.to match_response_schema('feature_flag', dir: 'ee')
     end
 
     context 'when feature flag is not found' do
@@ -274,9 +256,7 @@ describe Projects::FeatureFlagsController do
       end
 
       it 'returns 404' do
-        subject
-
-        expect(response).to have_gitlab_http_status(:not_found)
+        is_expected.to have_gitlab_http_status(:not_found)
       end
     end
 
@@ -284,9 +264,7 @@ describe Projects::FeatureFlagsController do
       let(:user) { reporter }
 
       it 'returns 404' do
-        subject
-
-        expect(response).to have_gitlab_http_status(:not_found)
+        is_expected.to have_gitlab_http_status(:not_found)
       end
     end
 
@@ -346,9 +324,7 @@ describe Projects::FeatureFlagsController do
     end
 
     it 'returns 200' do
-      subject
-
-      expect(response).to have_gitlab_http_status(:ok)
+      is_expected.to have_gitlab_http_status(:ok)
     end
 
     it 'creates a new feature flag' do
@@ -367,9 +343,7 @@ describe Projects::FeatureFlagsController do
     end
 
     it 'matches json schema' do
-      subject
-
-      expect(response).to match_response_schema('feature_flag', dir: 'ee')
+      is_expected.to match_response_schema('feature_flag', dir: 'ee')
     end
 
     context 'when the same named feature flag has already existed' do
@@ -378,9 +352,7 @@ describe Projects::FeatureFlagsController do
       end
 
       it 'returns 400' do
-        subject
-
-        expect(response).to have_gitlab_http_status(:bad_request)
+        is_expected.to have_gitlab_http_status(:bad_request)
       end
 
       it 'returns an error message' do
@@ -415,9 +387,7 @@ describe Projects::FeatureFlagsController do
       let(:user) { reporter }
 
       it 'returns 404' do
-        subject
-
-        expect(response).to have_gitlab_http_status(:not_found)
+        is_expected.to have_gitlab_http_status(:not_found)
       end
     end
 
@@ -549,9 +519,7 @@ describe Projects::FeatureFlagsController do
     end
 
     it 'returns 200' do
-      subject
-
-      expect(response).to have_gitlab_http_status(:ok)
+      is_expected.to have_gitlab_http_status(:ok)
     end
 
     it 'deletes one feature flag' do
@@ -563,18 +531,14 @@ describe Projects::FeatureFlagsController do
     end
 
     it 'matches json schema' do
-      subject
-
-      expect(response).to match_response_schema('feature_flag', dir: 'ee')
+      is_expected.to match_response_schema('feature_flag', dir: 'ee')
     end
 
     context 'when user is reporter' do
       let(:user) { reporter }
 
       it 'returns 404' do
-        subject
-
-        expect(response).to have_gitlab_http_status(:not_found)
+        is_expected.to have_gitlab_http_status(:not_found)
       end
     end
 
@@ -609,9 +573,7 @@ describe Projects::FeatureFlagsController do
     end
 
     it 'returns 200' do
-      subject
-
-      expect(response).to have_gitlab_http_status(:ok)
+      is_expected.to have_gitlab_http_status(:ok)
     end
 
     it 'updates the name of the feature flag name' do
@@ -621,9 +583,7 @@ describe Projects::FeatureFlagsController do
     end
 
     it 'matches json schema' do
-      subject
-
-      expect(response).to match_response_schema('feature_flag', dir: 'ee')
+      is_expected.to match_response_schema('feature_flag', dir: 'ee')
     end
 
     context 'when updates active' do
@@ -672,9 +632,7 @@ describe Projects::FeatureFlagsController do
       let(:user) { reporter }
 
       it 'returns 404' do
-        subject
-
-        expect(response).to have_gitlab_http_status(:not_found)
+        is_expected.to have_gitlab_http_status(:not_found)
       end
     end
 
@@ -711,9 +669,7 @@ describe Projects::FeatureFlagsController do
       end
 
       it 'returns 400' do
-        subject
-
-        expect(response).to have_gitlab_http_status(:bad_request)
+        is_expected.to have_gitlab_http_status(:bad_request)
       end
     end
 
@@ -761,9 +717,7 @@ describe Projects::FeatureFlagsController do
       end
 
       it 'returns 400' do
-        subject
-
-        expect(response).to have_gitlab_http_status(:bad_request)
+        is_expected.to have_gitlab_http_status(:bad_request)
       end
     end