1 files changed, 119 insertions, 0 deletions
diff --git a/spec/services/create_deployment_service_spec.rb b/spec/services/create_deployment_service_spec.rb
new file mode 100644
index 00000000000..654e441f3cd
--- /dev/null
+++ b/spec/services/create_deployment_service_spec.rb
@@ -0,0 +1,119 @@
+require 'spec_helper'
+
+describe CreateDeploymentService, services: true do
+  let(:project) { create(:empty_project) }
+  let(:user) { create(:user) }
+
+  let(:service) { described_class.new(project, user, params) }
+
+  describe '#execute' do
+    let(:params) do
+      { environment: 'production',
+        ref: 'master',
+        tag: false,
+        sha: '97de212e80737a608d939f648d959671fb0a0142',
+      }
+    end
+
+    subject { service.execute }
+
+    context 'when no environments exist' do
+      it 'does create a new environment' do
+        expect { subject }.to change { Environment.count }.by(1)
+      end
+
+      it 'does create a deployment' do
+        expect(subject).to be_persisted
+      end
+    end
+
+    context 'when environment exist' do
+      before { create(:environment, project: project, name: 'production') }
+
+      it 'does not create a new environment' do
+        expect { subject }.not_to change { Environment.count }
+      end
+
+      it 'does create a deployment' do
+        expect(subject).to be_persisted
+      end
+    end
+
+    context 'for environment with invalid name' do
+      let(:params) do
+        { environment: 'name with spaces',
+          ref: 'master',
+          tag: false,
+          sha: '97de212e80737a608d939f648d959671fb0a0142',
+        }
+      end
+
+      it 'does not create a new environment' do
+        expect { subject }.not_to change { Environment.count }
+      end
+
+      it 'does not create a deployment' do
+        expect(subject).not_to be_persisted
+      end
+    end
+  end
+  
+  describe 'processing of builds' do
+    let(:environment) { nil }
+    
+    shared_examples 'does not create environment and deployment' do
+      it 'does not create a new environment' do
+        expect { subject }.not_to change { Environment.count }
+      end
+
+      it 'does not create a new deployment' do
+        expect { subject }.not_to change { Deployment.count }
+      end
+
+      it 'does not call a service' do
+        expect_any_instance_of(described_class).not_to receive(:execute)
+        subject
+      end
+    end
+
+    shared_examples 'does create environment and deployment' do
+      it 'does create a new environment' do
+        expect { subject }.to change { Environment.count }.by(1)
+      end
+
+      it 'does create a new deployment' do
+        expect { subject }.to change { Deployment.count }.by(1)
+      end
+
+      it 'does call a service' do
+        expect_any_instance_of(described_class).to receive(:execute)
+        subject
+      end
+    end
+
+    context 'without environment specified' do
+      let(:build) { create(:ci_build, project: project) }
+      
+      it_behaves_like 'does not create environment and deployment' do
+        subject { build.success }
+      end
+    end
+    
+    context 'when environment is specified' do
+      let(:pipeline) { create(:ci_pipeline, project: project) }
+      let(:build) { create(:ci_build, pipeline: pipeline, environment: 'production') }
+
+      context 'when build succeeds' do
+        it_behaves_like 'does create environment and deployment' do
+          subject { build.success }
+        end
+      end
+
+      context 'when build fails' do
+        it_behaves_like 'does not create environment and deployment' do
+          subject { build.drop }
+        end
+      end
+    end
+  end
+end