Add feature flag for Group Import Export

lib/api/group_export.rb

@@ -3,6 +3,8 @@
 module API
   class GroupExport < Grape::API
     before do
+      not_found! unless Feature.enabled?(:group_import_export, user_group, default_enabled: true)
+
       authorize! :admin_group, user_group
     end
 

spec/requests/api/group_export_spec.rb

@@ -30,25 +30,39 @@ describe API::GroupExport do
       group.add_owner(user)
     end
 
-    context 'when export file exists' do
+    context 'group_import_export feature flag enabled' do
       before do
-        upload.export_file = fixture_file_upload('spec/fixtures/group_export.tar.gz', "`/tar.gz")
-        upload.save!
+        stub_feature_flags(group_import_export: true)
       end
 
-      it 'downloads exported group archive' do
-        get api(download_path, user)
+      context 'when export file exists' do
+        before do
+          upload.export_file = fixture_file_upload('spec/fixtures/group_export.tar.gz', "`/tar.gz")
+          upload.save!
+        end
 
-        expect(response).to have_gitlab_http_status(200)
-      end
+        it 'downloads exported group archive' do
+          get api(download_path, user)
 
-      context 'when export_file.file does not exist' do
-        before do
-          expect_next_instance_of(ImportExportUploader) do |uploader|
-            expect(uploader).to receive(:file).and_return(nil)
+          expect(response).to have_gitlab_http_status(200)
+        end
+
+        context 'when export_file.file does not exist' do
+          before do
+            expect_next_instance_of(ImportExportUploader) do |uploader|
+              expect(uploader).to receive(:file).and_return(nil)
+            end
+          end
+
+          it 'returns 404' do
+            get api(download_path, user)
+
+            expect(response).to have_gitlab_http_status(404)
           end
         end
+      end
 
+      context 'when export file does not exist' do
         it 'returns 404' do
           get api(download_path, user)
 
@@ -57,8 +71,12 @@ describe API::GroupExport do
       end
     end
 
-    context 'when export file does not exist' do
-      it 'returns 404' do
+    context 'group_import_export feature flag disabled' do
+      before do
+        stub_feature_flags(group_import_export: false)
+      end
+
+      it 'responds with 404 Not Found' do
         get api(download_path, user)
 
         expect(response).to have_gitlab_http_status(404)
@@ -67,27 +85,45 @@ describe API::GroupExport do
   end
 
   describe 'POST /groups/:group_id/export' do
-    context 'when user is a group owner' do
+    context 'group_import_export feature flag enabled' do
       before do
-        group.add_owner(user)
+        stub_feature_flags(group_import_export: true)
       end
 
-      it 'accepts download' do
-        post api(path, user)
+      context 'when user is a group owner' do
+        before do
+          group.add_owner(user)
+        end
+
+        it 'accepts download' do
+          post api(path, user)
+
+          expect(response).to have_gitlab_http_status(202)
+        end
+      end
+
+      context 'when user is not a group owner' do
+        before do
+          group.add_developer(user)
+        end
 
-        expect(response).to have_gitlab_http_status(202)
+        it 'forbids the request' do
+          post api(path, user)
+
+          expect(response).to have_gitlab_http_status(403)
+        end
       end
     end
 
-    context 'when user is not a group owner' do
+    context 'group_import_export feature flag disabled' do
       before do
-        group.add_developer(user)
+        stub_feature_flags(group_import_export: false)
       end
 
-      it 'forbids the request' do
+      it 'responds with 404 Not Found' do
         post api(path, user)
 
-        expect(response).to have_gitlab_http_status(403)
+        expect(response).to have_gitlab_http_status(404)
       end
     end
   end