1 files changed, 28 insertions, 0 deletions
diff --git a/spec/models/protected_branch_spec.rb b/spec/models/protected_branch_spec.rb
index c99c92e6c19..0a75250b68c 100644
--- a/spec/models/protected_branch_spec.rb
+++ b/spec/models/protected_branch_spec.rb
@@ -13,6 +13,30 @@ RSpec.describe ProtectedBranch, feature_category: :source_code_management do
   describe 'Validation' do
     it { is_expected.to validate_presence_of(:name) }
 
+    context 'uniqueness' do
+      let(:protected_branch) { build(:protected_branch) }
+
+      subject { protected_branch }
+
+      it { is_expected.to validate_uniqueness_of(:name).scoped_to([:project_id, :namespace_id]) }
+
+      context 'when the protected_branch was saved previously' do
+        before do
+          protected_branch.save!
+        end
+
+        it { is_expected.not_to validate_uniqueness_of(:name) }
+
+        context 'and name is changed' do
+          before do
+            protected_branch.name = "#{protected_branch.name} + something else"
+          end
+
+          it { is_expected.to validate_uniqueness_of(:name).scoped_to([:project_id, :namespace_id]) }
+        end
+      end
+    end
+
     describe '#validate_either_project_or_top_group' do
       context 'when protected branch does not have project or group association' do
         it 'validate failed' do
@@ -311,6 +335,7 @@ RSpec.describe ProtectedBranch, feature_category: :source_code_management do
     context "when feature flag disabled" do
       before do
         stub_feature_flags(group_protected_branches: false)
+        stub_feature_flags(allow_protected_branches_for_group: false)
       end
 
       let(:subject_branch) { create(:protected_branch, allow_force_push: allow_force_push, name: "foo") }
@@ -350,6 +375,7 @@ RSpec.describe ProtectedBranch, feature_category: :source_code_management do
       with_them do
         before do
           stub_feature_flags(group_protected_branches: true)
+          stub_feature_flags(allow_protected_branches_for_group: true)
 
           unless group_level_value.nil?
             create(:protected_branch, allow_force_push: group_level_value, name: "foo", project: nil, group: group)
@@ -403,6 +429,7 @@ RSpec.describe ProtectedBranch, feature_category: :source_code_management do
     context 'when feature flag enabled' do
       before do
         stub_feature_flags(group_protected_branches: true)
+        stub_feature_flags(allow_protected_branches_for_group: true)
       end
 
       it 'call `all_protected_branches`' do
@@ -415,6 +442,7 @@ RSpec.describe ProtectedBranch, feature_category: :source_code_management do
     context 'when feature flag disabled' do
       before do
         stub_feature_flags(group_protected_branches: false)
+        stub_feature_flags(allow_protected_branches_for_group: false)
       end
 
       it 'call `protected_branches`' do