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path: root/spec/services/create_deployment_service_spec.rb
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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

    context 'when variables are used' do
      let(:params) do
        { environment: 'review-apps/$CI_BUILD_REF_NAME',
          ref: 'master',
          tag: false,
          sha: '97de212e80737a608d939f648d959671fb0a0142',
          options: {
            environment: {
              name: 'review-apps/$CI_BUILD_REF_NAME',
              url: 'http://$CI_BUILD_REF_NAME.review-apps.gitlab.com'
            }
          },
          variables: [
            { key: 'CI_BUILD_REF_NAME', value: 'feature-review-apps' }
          ]
        }
      end

      it 'does create a new environment' do
        expect { subject }.to change { Environment.count }.by(1)

        expect(subject.environment.name).to eq('review-apps/feature-review-apps')
        expect(subject.environment.external_url).to eq('http://feature-review-apps.review-apps.gitlab.com')
      end

      it 'does create a new 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

      it 'is set as deployable' do
        subject

        expect(Deployment.last.deployable).to eq(deployable)
      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
          let(:deployable) { build }

          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

      context 'when build is retried' do
        it_behaves_like 'does create environment and deployment' do
          let(:deployable) { Ci::Build.retry(build) }

          subject { deployable.success }
        end
      end
    end
  end
end