1 files changed, 56 insertions, 0 deletions
diff --git a/spec/services/ci/play_bridge_service_spec.rb b/spec/services/ci/play_bridge_service_spec.rb
new file mode 100644
index 00000000000..0482ad4d76f
--- /dev/null
+++ b/spec/services/ci/play_bridge_service_spec.rb
@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Ci::PlayBridgeService, '#execute' do
+  let(:project) { create(:project) }
+  let(:user) { create(:user) }
+  let(:pipeline) { create(:ci_pipeline, project: project) }
+  let(:downstream_project) { create(:project) }
+  let(:bridge) { create(:ci_bridge, :playable, pipeline: pipeline, downstream: downstream_project) }
+  let(:instance) { described_class.new(project, user) }
+
+  subject(:execute_service) { instance.execute(bridge) }
+
+  context 'when user can run the bridge' do
+    before do
+      allow(instance).to receive(:can?).with(user, :play_job, bridge).and_return(true)
+    end
+
+    it 'marks the bridge pending' do
+      execute_service
+
+      expect(bridge.reload).to be_pending
+    end
+
+    it 'enqueues Ci::CreateCrossProjectPipelineWorker' do
+      expect(::Ci::CreateCrossProjectPipelineWorker).to receive(:perform_async).with(bridge.id)
+
+      execute_service
+    end
+
+    it "updates bridge's user" do
+      execute_service
+
+      expect(bridge.reload.user).to eq(user)
+    end
+
+    context 'when bridge is not playable' do
+      let(:bridge) { create(:ci_bridge, :failed, pipeline: pipeline, downstream: downstream_project) }
+
+      it 'raises StateMachines::InvalidTransition' do
+        expect { execute_service }.to raise_error StateMachines::InvalidTransition
+      end
+    end
+  end
+
+  context 'when user can not run the bridge' do
+    before do
+      allow(instance).to receive(:can?).with(user, :play_job, bridge).and_return(false)
+    end
+
+    it 'allows user with developer role to play a bridge' do
+      expect { execute_service }.to raise_error Gitlab::Access::AccessDeniedError
+    end
+  end
+end