1 files changed, 52 insertions, 0 deletions
diff --git a/spec/services/ci/build_cancel_service_spec.rb b/spec/services/ci/build_cancel_service_spec.rb
new file mode 100644
index 00000000000..fe036dc1368
--- /dev/null
+++ b/spec/services/ci/build_cancel_service_spec.rb
@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Ci::BuildCancelService do
+  let_it_be(:user) { create(:user) }
+  let_it_be(:project) { create(:project) }
+  let_it_be(:pipeline) { create(:ci_pipeline, project: project) }
+
+  describe '#execute' do
+    subject(:execute) { described_class.new(build, user).execute }
+
+    context 'when user is authorized to cancel the build' do
+      before do
+        project.add_maintainer(user)
+      end
+
+      context 'when build is cancelable' do
+        let!(:build) { create(:ci_build, :cancelable, pipeline: pipeline) }
+
+        it 'transits build to canceled', :aggregate_failures do
+          response = execute
+
+          expect(response).to be_success
+          expect(response.payload.reload).to be_canceled
+        end
+      end
+
+      context 'when build is not cancelable' do
+        let!(:build) { create(:ci_build, :canceled, pipeline: pipeline) }
+
+        it 'responds with unprocessable entity', :aggregate_failures do
+          response = execute
+
+          expect(response).to be_error
+          expect(response.http_status).to eq(:unprocessable_entity)
+        end
+      end
+    end
+
+    context 'when user is not authorized to cancel the build' do
+      let!(:build) { create(:ci_build, :cancelable, pipeline: pipeline) }
+
+      it 'responds with forbidden', :aggregate_failures do
+        response = execute
+
+        expect(response).to be_error
+        expect(response.http_status).to eq(:forbidden)
+      end
+    end
+  end
+end