Extract shared example from feature specs

For installing applications on a project/group/instance cluster

spec/features/clusters/installing_applications_shared_examples.rb

+# frozen_string_literal: true
+
+shared_examples "installing applications on a cluster" do
+  before do
+    visit cluster_path
+  end
+
+  context 'when cluster is being created' do
+    let(:cluster) { create(:cluster, :providing_by_gcp, *cluster_factory_args) }
+
+    it 'user is unable to install applications' do
+      expect(page).not_to have_text('Helm')
+      expect(page).not_to have_text('Install')
+    end
+  end
+
+  context 'when cluster is created' do
+    let(:cluster) { create(:cluster, :provided_by_gcp, *cluster_factory_args) }
+
+    it 'user can install applications' do
+      wait_for_requests
+
+      page.within('.js-cluster-application-row-helm') do
+        expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to be_nil
+        expect(page).to have_css('.js-cluster-application-install-button', exact_text: 'Install')
+      end
+    end
+
+    context 'when user installs Helm' do
+      before do
+        allow(ClusterInstallAppWorker).to receive(:perform_async)
+
+        page.within('.js-cluster-application-row-helm') do
+          page.find(:css, '.js-cluster-application-install-button').click
+        end
+
+        wait_for_requests
+      end
+
+      it 'shows the status transition' do
+        page.within('.js-cluster-application-row-helm') do
+          # FE sends request and gets the response, then the buttons is "Installing"
+          expect(page).to have_css('.js-cluster-application-install-button[disabled]', exact_text: 'Installing')
+
+          Clusters::Cluster.last.application_helm.make_installing!
+
+          # FE starts polling and update the buttons to "Installing"
+          expect(page).to have_css('.js-cluster-application-install-button[disabled]', exact_text: 'Installing')
+
+          Clusters::Cluster.last.application_helm.make_installed!
+
+          expect(page).not_to have_css('button', exact_text: 'Install', visible: :all)
+          expect(page).not_to have_css('button', exact_text: 'Installing', visible: :all)
+          expect(page).to have_css('.js-cluster-application-uninstall-button:not([disabled])', exact_text: 'Uninstall')
+        end
+
+        expect(page).to have_content('Helm Tiller was successfully installed on your Kubernetes cluster')
+      end
+    end
+
+    context 'when user installs Knative' do
+      before do
+        create(:clusters_applications_helm, :installed, cluster: cluster)
+      end
+
+      context 'on an abac cluster' do
+        let(:cluster) { create(:cluster, :provided_by_gcp, :rbac_disabled, *cluster_factory_args) }
+
+        it 'shows info block and not be installable' do
+          page.within('.js-cluster-application-row-knative') do
+            expect(page).to have_css('.rbac-notice')
+            expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to eq('true')
+          end
+        end
+      end
+
+      context 'on an rbac cluster' do
+        let(:cluster) { create(:cluster, :provided_by_gcp, *cluster_factory_args) }
+
+        it 'does not show callout block and be installable' do
+          page.within('.js-cluster-application-row-knative') do
+            expect(page).not_to have_css('p', text: 'You must have an RBAC-enabled cluster', visible: :all)
+            expect(page).to have_css('.js-cluster-application-install-button:not([disabled])')
+          end
+        end
+
+        describe 'when user clicks install button' do
+          def domainname_form_value
+            page.find('.js-knative-domainname').value
+          end
+
+          before do
+            allow(ClusterInstallAppWorker).to receive(:perform_async)
+            allow(ClusterWaitForIngressIpAddressWorker).to receive(:perform_in)
+            allow(ClusterWaitForIngressIpAddressWorker).to receive(:perform_async)
+
+            page.within('.js-cluster-application-row-knative') do
+              expect(page).to have_css('.js-cluster-application-install-button:not([disabled])')
+
+              page.find('.js-knative-domainname').set("domain.example.org")
+
+              click_button 'Install'
+
+              wait_for_requests
+
+              expect(page).to have_css('.js-cluster-application-install-button', exact_text: 'Installing')
+
+              Clusters::Cluster.last.application_knative.make_installing!
+              Clusters::Cluster.last.application_knative.make_installed!
+              Clusters::Cluster.last.application_knative.update_attribute(:external_ip, '127.0.0.1')
+            end
+          end
+
+          it 'shows status transition' do
+            page.within('.js-cluster-application-row-knative') do
+              expect(domainname_form_value).to eq('domain.example.org')
+              expect(page).to have_css('.js-cluster-application-uninstall-button', exact_text: 'Uninstall')
+            end
+
+            expect(page).to have_content('Knative was successfully installed on your Kubernetes cluster')
+            expect(page).to have_css('.js-knative-save-domain-button'), exact_text: 'Save changes'
+          end
+
+          it 'can then update the domain' do
+            page.within('.js-cluster-application-row-knative') do
+              expect(ClusterPatchAppWorker).to receive(:perform_async)
+
+              expect(domainname_form_value).to eq('domain.example.org')
+
+              page.find('.js-knative-domainname').set("new.domain.example.org")
+
+              click_button 'Save changes'
+
+              wait_for_requests
+
+              expect(domainname_form_value).to eq('new.domain.example.org')
+            end
+          end
+        end
+      end
+    end
+
+    context 'when user installs Cert Manager' do
+      before do
+        allow(ClusterInstallAppWorker).to receive(:perform_async)
+        allow(ClusterWaitForIngressIpAddressWorker).to receive(:perform_in)
+        allow(ClusterWaitForIngressIpAddressWorker).to receive(:perform_async)
+
+        create(:clusters_applications_helm, :installed, cluster: cluster)
+
+        page.within('.js-cluster-application-row-cert_manager') do
+          click_button 'Install'
+        end
+      end
+
+      it 'shows status transition' do
+        def email_form_value
+          page.find('.js-email').value
+        end
+
+        page.within('.js-cluster-application-row-cert_manager') do
+          expect(email_form_value).to eq(cluster.user.email)
+          expect(page).to have_css('.js-cluster-application-install-button', exact_text: 'Installing')
+
+          page.find('.js-email').set("new_email@example.org")
+          Clusters::Cluster.last.application_cert_manager.make_installing!
+
+          expect(email_form_value).to eq('new_email@example.org')
+          expect(page).to have_css('.js-cluster-application-install-button', exact_text: 'Installing')
+
+          Clusters::Cluster.last.application_cert_manager.make_installed!
+
+          expect(email_form_value).to eq('new_email@example.org')
+          expect(page).to have_css('.js-cluster-application-uninstall-button', exact_text: 'Uninstall')
+        end
+
+        expect(page).to have_content('Cert-Manager was successfully installed on your Kubernetes cluster')
+      end
+    end
+
+    context 'when user installs Ingress' do
+      before do
+        allow(ClusterInstallAppWorker).to receive(:perform_async)
+        allow(ClusterWaitForIngressIpAddressWorker).to receive(:perform_in)
+        allow(ClusterWaitForIngressIpAddressWorker).to receive(:perform_async)
+
+        create(:clusters_applications_helm, :installed, cluster: cluster)
+
+        page.within('.js-cluster-application-row-ingress') do
+          expect(page).to have_css('.js-cluster-application-install-button:not([disabled])')
+          page.find(:css, '.js-cluster-application-install-button').click
+
+          wait_for_requests
+        end
+      end
+
+      it 'shows the status transition' do
+        page.within('.js-cluster-application-row-ingress') do
+          # FE sends request and gets the response, then the buttons is "Installing"
+          expect(page).to have_css('.js-cluster-application-install-button[disabled]', exact_text: 'Installing')
+
+          Clusters::Cluster.last.application_ingress.make_installing!
+
+          # FE starts polling and update the buttons to "Installing"
+          expect(page).to have_css('.js-cluster-application-install-button[disabled]', exact_text: 'Installing')
+
+          # The application becomes installed but we keep waiting for external IP address
+          Clusters::Cluster.last.application_ingress.make_installed!
+
+          expect(page).to have_css('.js-cluster-application-install-button[disabled]', exact_text: 'Installed')
+          expect(page).to have_selector('.js-no-endpoint-message')
+          expect(page).to have_selector('.js-ingress-ip-loading-icon')
+
+          # We receive the external IP address and display
+          Clusters::Cluster.last.application_ingress.update!(external_ip: '192.168.1.100')
+
+          expect(page).not_to have_css('button', exact_text: 'Install', visible: :all)
+          expect(page).not_to have_css('button', exact_text: 'Installing', visible: :all)
+          expect(page).to have_css('.js-cluster-application-uninstall-button:not([disabled])', exact_text: 'Uninstall')
+          expect(page).not_to have_css('p', text: 'The endpoint is in the process of being assigned', visible: :all)
+          expect(page.find('.js-endpoint').value).to eq('192.168.1.100')
+        end
+
+        expect(page).to have_content('Ingress was successfully installed on your Kubernetes cluster')
+      end
+    end
+  end
+end