1 files changed, 88 insertions, 4 deletions

diff --git a/spec/requests/api/ci/runner/runners_delete_spec.rb b/spec/requests/api/ci/runner/runners_delete_spec.rb
index 65c287a9535..681dd4d701e 100644
--- a/spec/requests/api/ci/runner/runners_delete_spec.rb
+++ b/spec/requests/api/ci/runner/runners_delete_spec.rb
@@ -7,16 +7,19 @@ RSpec.describe API::Ci::Runner, :clean_gitlab_redis_shared_state, feature_catego
   include RedisHelpers
   include WorkhorseHelpers
 
-  let(:registration_token) { 'abcdefg123456' }
-
   before do
     stub_feature_flags(ci_enable_live_trace: true)
     stub_gitlab_calls
-    stub_application_setting(runners_registration_token: registration_token)
-    allow_any_instance_of(::Ci::Runner).to receive(:cache_attributes)
+    allow_next_instance_of(::Ci::Runner) { |runner| allow(runner).to receive(:cache_attributes) }
   end
 
   describe '/api/v4/runners' do
+    let(:registration_token) { 'abcdefg123456' }
+
+    before do
+      stub_application_setting(runners_registration_token: registration_token)
+    end
+
     describe 'DELETE /api/v4/runners' do
       context 'when no token is provided' do
         it 'returns 400 error' do
@@ -57,4 +60,85 @@ RSpec.describe API::Ci::Runner, :clean_gitlab_redis_shared_state, feature_catego
       end
     end
   end
+
+  describe '/api/v4/runners/managers' do
+    describe 'DELETE /api/v4/runners/managers' do
+      subject(:delete_request) { delete api('/runners/managers'), params: delete_params }
+
+      context 'with created runner' do
+        let!(:runner) { create(:ci_runner, :with_runner_manager, registration_type: :authenticated_user) }
+
+        context 'with matching system_id' do
+          context 'when no token is provided' do
+            let(:delete_params) { { system_id: runner.runner_managers.first.system_xid } }
+
+            it 'returns 400 error' do
+              delete_request
+
+              expect(response).to have_gitlab_http_status(:bad_request)
+            end
+          end
+
+          context 'when invalid token is provided' do
+            let(:delete_params) { { token: 'invalid', system_id: runner.runner_managers.first.system_xid } }
+
+            it 'returns 403 error' do
+              delete_request
+
+              expect(response).to have_gitlab_http_status(:forbidden)
+            end
+          end
+        end
+      end
+
+      context 'when valid token is provided' do
+        context 'with created runner' do
+          let!(:runner) { create(:ci_runner, :with_runner_manager, registration_type: :authenticated_user) }
+
+          context 'with matching system_id' do
+            let(:delete_params) { { token: runner.token, system_id: runner.runner_managers.first.system_xid } }
+
+            it 'deletes runner manager' do
+              expect do
+                delete_request
+
+                expect(response).to have_gitlab_http_status(:no_content)
+              end.to change { runner.runner_managers.count }.from(1).to(0)
+
+              expect(::Ci::Runner.count).to eq(1)
+            end
+
+            it_behaves_like '412 response' do
+              let(:request) { api('/runners/managers') }
+              let(:params) { delete_params }
+            end
+
+            it_behaves_like 'storing arguments in the application context for the API' do
+              let(:expected_params) { { client_id: "runner/#{runner.id}" } }
+            end
+          end
+
+          context 'with unknown system_id' do
+            let(:delete_params) { { token: runner.token, system_id: 'unknown_system_id' } }
+
+            it 'returns 404 error' do
+              delete_request
+
+              expect(response).to have_gitlab_http_status(:not_found)
+            end
+          end
+
+          context 'without system_id' do
+            let(:delete_params) { { token: runner.token } }
+
+            it 'does not delete runner manager nor runner' do
+              delete_request
+
+              expect(response).to have_gitlab_http_status(:bad_request)
+            end
+          end
+        end
+      end
+    end
+  end
 end