1 files changed, 52 insertions, 0 deletions
diff --git a/spec/controllers/projects/merge_requests_controller_spec.rb b/spec/controllers/projects/merge_requests_controller_spec.rb
index 2a411d78395..c6a38863cf5 100644
--- a/spec/controllers/projects/merge_requests_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests_controller_spec.rb
@@ -1048,4 +1048,56 @@ describe Projects::MergeRequestsController do
       end
     end
   end
+
+  describe 'GET merge_widget_refresh' do
+    let(:params) do
+      {
+        namespace_id: project.namespace.path,
+        project_id: project.path,
+        id: merge_request.iid,
+        format: :raw
+      }
+    end
+
+    before do
+      project.team << [user, :developer]
+      xhr :get, :merge_widget_refresh, params
+    end
+
+    context 'when merge in progress' do
+      let(:merge_request) { create(:merge_request, source_project: project, in_progress_merge_commit_sha: 'sha') }
+
+      it 'returns an OK response' do
+        expect(response).to have_http_status(:ok)
+      end
+
+      it 'returns :success' do
+        expect(assigns(:status)).to eq(:success)
+      end
+    end
+
+    context 'when waiting for build' do
+      let(:merge_request) { create(:merge_request, source_project: project, merge_when_build_succeeds: true, merge_user: user) }
+
+      it 'returns an OK response' do
+        expect(response).to have_http_status(:ok)
+      end
+
+      it 'returns :merge_when_build_succeeds' do
+        expect(assigns(:status)).to eq(:merge_when_build_succeeds)
+      end
+    end
+
+    context 'when no special status for MR' do
+      let(:merge_request) { create(:merge_request, source_project: project) }
+
+      it 'returns an OK response' do
+        expect(response).to have_http_status(:ok)
+      end
+
+      it 'returns nil' do
+        expect(assigns(:status)).to be_nil
+      end
+    end
+  end
 end