1 files changed, 12 insertions, 0 deletions
diff --git a/spec/requests/api/branches_spec.rb b/spec/requests/api/branches_spec.rb
index 93c411476bb..b38cd66986f 100644
--- a/spec/requests/api/branches_spec.rb
+++ b/spec/requests/api/branches_spec.rb
@@ -20,6 +20,12 @@ describe API::Branches do
     let(:route) { "/projects/#{project_id}/repository/branches" }
 
     shared_examples_for 'repository branches' do
+      RSpec::Matchers.define :has_merged_branch_names_count do |expected|
+        match do |actual|
+          actual[:merged_branch_names].count == expected
+        end
+      end
+
       it 'returns the repository branches' do
         get api(route, current_user), params: { per_page: 100 }
 
@@ -30,6 +36,12 @@ describe API::Branches do
         expect(branch_names).to match_array(project.repository.branch_names)
       end
 
+      it 'determines only a limited number of merged branch names' do
+        expect(API::Entities::Branch).to receive(:represent).with(anything, has_merged_branch_names_count(2))
+
+        get api(route, current_user), params: { per_page: 2 }
+      end
+
       context 'when repository is disabled' do
         include_context 'disabled repository'