1 files changed, 102 insertions, 0 deletions
diff --git a/spec/requests/api/graphql/mutations/container_registry/protection/rule/delete_spec.rb b/spec/requests/api/graphql/mutations/container_registry/protection/rule/delete_spec.rb
new file mode 100644
index 00000000000..dd661c302ff
--- /dev/null
+++ b/spec/requests/api/graphql/mutations/container_registry/protection/rule/delete_spec.rb
@@ -0,0 +1,102 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Deleting a container registry protection rule', :aggregate_failures, feature_category: :container_registry do
+  include GraphqlHelpers
+
+  let_it_be(:project) { create(:project, :repository) }
+  let_it_be_with_refind(:container_protection_rule) do
+    create(:container_registry_protection_rule, project: project)
+  end
+
+  let_it_be(:current_user) { create(:user, maintainer_projects: [project]) }
+
+  let(:mutation) { graphql_mutation(:delete_container_registry_protection_rule, input) }
+  let(:mutation_response) { graphql_mutation_response(:delete_container_registry_protection_rule) }
+  let(:input) { { id: container_protection_rule.to_global_id } }
+
+  subject(:post_graphql_mutation_delete_container_registry_protection_rule) do
+    post_graphql_mutation(mutation, current_user: current_user)
+  end
+
+  shared_examples 'an erroneous response' do
+    it { post_graphql_mutation_delete_container_registry_protection_rule.tap { expect(mutation_response).to be_blank } }
+
+    it do
+      expect { post_graphql_mutation_delete_container_registry_protection_rule }
+        .not_to change { ::ContainerRegistry::Protection::Rule.count }
+    end
+  end
+
+  it_behaves_like 'a working GraphQL mutation'
+
+  it 'responds with deleted container registry protection rule' do
+    expect { post_graphql_mutation_delete_container_registry_protection_rule }
+      .to change { ::ContainerRegistry::Protection::Rule.count }.from(1).to(0)
+
+    expect_graphql_errors_to_be_empty
+
+    expect(mutation_response).to include(
+      'errors' => be_blank,
+      'containerRegistryProtectionRule' => {
+        'id' => container_protection_rule.to_global_id.to_s,
+        'repositoryPathPattern' => container_protection_rule.repository_path_pattern,
+        'deleteProtectedUpToAccessLevel' => container_protection_rule.delete_protected_up_to_access_level.upcase,
+        'pushProtectedUpToAccessLevel' => container_protection_rule.push_protected_up_to_access_level.upcase
+      }
+    )
+  end
+
+  context 'with existing container registry protection rule belonging to other project' do
+    let_it_be(:container_protection_rule) do
+      create(:container_registry_protection_rule, repository_path_pattern: 'protection_rule_other_project')
+    end
+
+    it_behaves_like 'an erroneous response'
+
+    it { is_expected.tap { expect_graphql_errors_to_include(/you don't have permission to perform this action/) } }
+  end
+
+  context 'with deleted container registry protection rule' do
+    let!(:container_protection_rule) do
+      create(:container_registry_protection_rule, project: project,
+        repository_path_pattern: 'protection_rule_deleted').destroy!
+    end
+
+    it_behaves_like 'an erroneous response'
+
+    it { is_expected.tap { expect_graphql_errors_to_include(/you don't have permission to perform this action/) } }
+  end
+
+  context 'when current_user does not have permission' do
+    let_it_be(:developer) { create(:user).tap { |u| project.add_developer(u) } }
+    let_it_be(:reporter) { create(:user).tap { |u| project.add_reporter(u) } }
+    let_it_be(:guest) { create(:user).tap { |u| project.add_guest(u) } }
+    let_it_be(:anonymous) { create(:user) }
+
+    where(:current_user) do
+      [ref(:developer), ref(:reporter), ref(:guest), ref(:anonymous)]
+    end
+
+    with_them do
+      it_behaves_like 'an erroneous response'
+
+      it { is_expected.tap { expect_graphql_errors_to_include(/you don't have permission to perform this action/) } }
+    end
+  end
+
+  context "when feature flag ':container_registry_protected_containers' disabled" do
+    before do
+      stub_feature_flags(container_registry_protected_containers: false)
+    end
+
+    it_behaves_like 'an erroneous response'
+
+    it do
+      post_graphql_mutation_delete_container_registry_protection_rule
+
+      expect_graphql_errors_to_include(/'container_registry_protected_containers' feature flag is disabled/)
+    end
+  end
+end