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path: root/spec/features/projects/clusters/gcp_spec.rb
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require 'spec_helper'

feature 'Gcp Cluster', :js do
  include GoogleApi::CloudPlatformHelpers

  let(:project) { create(:project) }
  let(:user) { create(:user) }

  before do
    project.add_master(user)
    gitlab_sign_in(user)
    allow(Projects::ClustersController).to receive(:STATUS_POLLING_INTERVAL) { 100 }
  end

  context 'when user has signed with Google' do
    let(:project_id) { 'test-project-1234' }

    before do
      allow_any_instance_of(Projects::Clusters::GcpController)
        .to receive(:token_in_session).and_return('token')
      allow_any_instance_of(Projects::Clusters::GcpController)
        .to receive(:expires_at_in_session).and_return(1.hour.since.to_i.to_s)
    end

    context 'when user has a GCP project with billing enabled' do
      before do
        allow_any_instance_of(Projects::Clusters::GcpController).to receive(:authorize_google_project_billing)
        allow_any_instance_of(Projects::Clusters::GcpController).to receive(:google_project_billing_status).and_return('true')
      end

      context 'when user does not have a cluster and visits cluster index page' do
        before do
          visit project_clusters_path(project)

          click_link 'Add Kubernetes cluster'
          click_link 'Create on GKE'
        end

        context 'when user filled form with valid parameters' do
          before do
            allow_any_instance_of(GoogleApi::CloudPlatform::Client)
              .to receive(:projects_zones_clusters_create) do
              OpenStruct.new(
                self_link: 'projects/gcp-project-12345/zones/us-central1-a/operations/ope-123',
                status: 'RUNNING'
              )
            end

            allow(WaitForClusterCreationWorker).to receive(:perform_in).and_return(nil)

            fill_in 'cluster_provider_gcp_attributes_gcp_project_id', with: 'gcp-project-123'
            fill_in 'cluster_name', with: 'dev-cluster'
            click_button 'Create Kubernetes cluster'
          end

          it 'user sees a cluster details page and creation status' do
            expect(page).to have_content('Kubernetes cluster is being created on Google Kubernetes Engine...')

            Clusters::Cluster.last.provider.make_created!

            expect(page).to have_content('Kubernetes cluster was successfully created on Google Kubernetes Engine')
          end

          it 'user sees a error if something worng during creation' do
            expect(page).to have_content('Kubernetes cluster is being created on Google Kubernetes Engine...')

            Clusters::Cluster.last.provider.make_errored!('Something wrong!')

            expect(page).to have_content('Something wrong!')
          end
        end

        context 'when user filled form with invalid parameters' do
          before do
            click_button 'Create Kubernetes cluster'
          end

          it 'user sees a validation error' do
            expect(page).to have_css('#error_explanation')
          end
        end
      end

      context 'when user does have a cluster and visits cluster page' do
        let(:cluster) { create(:cluster, :provided_by_gcp, projects: [project]) }

        before do
          visit project_cluster_path(project, cluster)
        end

        it 'user sees a cluster details page' do
          expect(page).to have_button('Save changes')
          expect(page.find(:css, '.cluster-name').value).to eq(cluster.name)
        end

        context 'when user disables the cluster' do
          before do
            page.find(:css, '.js-cluster-enable-toggle-area .js-project-feature-toggle').click
            page.within('#cluster-integration') { click_button 'Save changes' }
          end

          it 'user sees the successful message' do
            expect(page).to have_content('Kubernetes cluster was successfully updated.')
          end
        end

        context 'when user changes cluster parameters' do
          before do
            fill_in 'cluster_platform_kubernetes_attributes_namespace', with: 'my-namespace'
            page.within('#js-cluster-details') { click_button 'Save changes' }
          end

          it 'user sees the successful message' do
            expect(page).to have_content('Kubernetes cluster was successfully updated.')
            expect(cluster.reload.platform_kubernetes.namespace).to eq('my-namespace')
          end
        end

        context 'when user destroy the cluster' do
          before do
            page.accept_confirm do
              click_link 'Remove integration'
            end
          end

          it 'user sees creation form with the successful message' do
            expect(page).to have_content('Kubernetes cluster integration was successfully removed.')
            expect(page).to have_link('Add Kubernetes cluster')
          end
        end
      end
    end

    context 'when user does not have a GCP project with billing enabled' do
      before do
        allow_any_instance_of(Projects::Clusters::GcpController).to receive(:authorize_google_project_billing)
        allow_any_instance_of(Projects::Clusters::GcpController).to receive(:google_project_billing_status).and_return('false')

        visit project_clusters_path(project)

        click_link 'Add Kubernetes cluster'
        click_link 'Create on GKE'

        fill_in 'cluster_provider_gcp_attributes_gcp_project_id', with: 'gcp-project-123'
        fill_in 'cluster_name', with: 'dev-cluster'
        click_button 'Create Kubernetes cluster'
      end

      it 'user sees form with error' do
        expect(page).to have_content('Please enable billing for one of your projects to be able to create a Kubernetes cluster, then try again.')
      end
    end

    context 'when gcp billing status is not in redis' do
      before do
        allow_any_instance_of(Projects::Clusters::GcpController).to receive(:authorize_google_project_billing)
        allow_any_instance_of(Projects::Clusters::GcpController).to receive(:google_project_billing_status).and_return(nil)

        visit project_clusters_path(project)

        click_link 'Add Kubernetes cluster'
        click_link 'Create on GKE'

        fill_in 'cluster_provider_gcp_attributes_gcp_project_id', with: 'gcp-project-123'
        fill_in 'cluster_name', with: 'dev-cluster'
        click_button 'Create Kubernetes cluster'
      end

      it 'user sees form with error' do
        expect(page).to have_content('We could not verify that one of your projects on GCP has billing enabled. Please try again.')
      end
    end
  end

  context 'when user has not signed with Google' do
    before do
      visit project_clusters_path(project)

      click_link 'Add Kubernetes cluster'
      click_link 'Create on GKE'
    end

    it 'user sees a login page' do
      expect(page).to have_css('.signin-with-google')
    end
  end
end