1 files changed, 32 insertions, 0 deletions
diff --git a/spec/services/projects/protect_default_branch_service_spec.rb b/spec/services/projects/protect_default_branch_service_spec.rb
index c8aa421cdd4..9f9e89ff8f8 100644
--- a/spec/services/projects/protect_default_branch_service_spec.rb
+++ b/spec/services/projects/protect_default_branch_service_spec.rb
@@ -233,6 +233,38 @@ RSpec.describe Projects::ProtectDefaultBranchService do
     end
   end
 
+  describe '#protected_branch_exists?' do
+    let_it_be(:group) { create(:group) }
+    let_it_be(:project) { create(:project, group: group) }
+
+    let(:default_branch) { "default-branch" }
+
+    before do
+      allow(project).to receive(:default_branch).and_return(default_branch)
+      create(:protected_branch, project: nil, group: group, name: default_branch)
+    end
+
+    context 'when feature flag `group_protected_branches` disabled' do
+      before do
+        stub_feature_flags(group_protected_branches: false)
+      end
+
+      it 'return false' do
+        expect(service.protected_branch_exists?).to eq(false)
+      end
+    end
+
+    context 'when feature flag `group_protected_branches` enabled' do
+      before do
+        stub_feature_flags(group_protected_branches: true)
+      end
+
+      it 'return true' do
+        expect(service.protected_branch_exists?).to eq(true)
+      end
+    end
+  end
+
   describe '#default_branch' do
     it 'returns the default branch of the project' do
       allow(project)