Add endpoint for fetching diverging commit countsid-stale-branches

Extract diverging_commit_counts into a service class

1 files changed, 23 insertions, 0 deletions

diff --git a/spec/controllers/projects/branches_controller_spec.rb b/spec/controllers/projects/branches_controller_spec.rb
index cf201c9f735..287ea9f425d 100644
--- a/spec/controllers/projects/branches_controller_spec.rb
+++ b/spec/controllers/projects/branches_controller_spec.rb
@@ -507,4 +507,27 @@ describe Projects::BranchesController do
       end
     end
   end
+
+  describe 'GET diverging_commit_counts' do
+    before do
+      sign_in(user)
+
+      get :diverging_commit_counts,
+          format: :json,
+          params: {
+            namespace_id: project.namespace,
+            project_id: project,
+            names: ['fix', 'add-pdf-file', 'branch-merged']
+          }
+    end
+
+    it 'returns the commit counts behind and ahead of default branch' do
+      parsed_response = JSON.parse(response.body)
+      expect(parsed_response).to eq(
+        "fix" => { "behind" => 29, "ahead" => 2 },
+        "branch-merged" => { "behind" => 1, "ahead" => 0 },
+        "add-pdf-file" => { "behind" => 0, "ahead" => 3 }
+      )
+    end
+  end
 end