Refactor GCP redirect test suite

spec/controllers/projects/clusters/gcp_controller_spec.rb

@@ -137,15 +137,17 @@ describe Projects::Clusters::GcpController do
       context 'when access token is valid' do
         before do
           stub_google_api_validate_token
+          allow_any_instance_of(described_class).to receive(:authorize_google_project_billing)
         end
         context 'when google project billing is enabled' do
           before do
-            stub_google_project_billing_status
+            redis_double = double
+            allow(Gitlab::Redis::SharedState).to receive(:with).and_yield(redis_double)
+            allow(redis_double).to receive(:get).with(CheckGcpProjectBillingWorker.redis_shared_state_key_for('token')).and_return('true')
           end
           it 'creates a new cluster' do
-            expect(CheckGcpProjectBillingWorker).to receive(:store_session_token)
             expect(ClusterProvisionWorker).to receive(:perform_async)
             expect { go }.to change { Clusters::Cluster.count }
               .and change { Clusters::Providers::Gcp.count }
@@ -157,9 +159,6 @@ describe Projects::Clusters::GcpController do
         context 'when google project billing is not enabled' do
           it 'renders the cluster form with an error' do
-            expect(CheckGcpProjectBillingWorker).to receive(:perform_async)
-            expect(CheckGcpProjectBillingWorker).to receive(:store_session_token)
-
             go
             expect(response).to set_flash[:alert]

spec/features/projects/clusters/gcp_spec.rb

@@ -13,6 +13,8 @@ feature 'Gcp Cluster', :js do
   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')
@@ -23,7 +25,7 @@ feature 'Gcp Cluster', :js do
     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)
-        stub_google_project_billing_status
+        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
@@ -131,15 +133,41 @@ feature 'Gcp Cluster', :js do
     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 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 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 cluster. Please 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 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 cluster'
       end
-      it 'user sees a check page' do
-        pending 'the frontend still has not been implemented'
-        expect(page).to have_link('Continue')
+      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

spec/services/check_gcp_project_billing_service_spec.rb

 require 'spec_helper'
 describe CheckGcpProjectBillingService do
+  include GoogleApi::CloudPlatformHelpers
+
   let(:service) { described_class.new }
-  let(:projects) { [double(name: 'first_project', project_id: 'first_project-1234'), double(name: 'second_project', project_id: 'second_project-1234')] }
+  let(:project_id) { 'test-project-1234' }
   describe '#execute' do
     before do
-      expect_any_instance_of(GoogleApi::CloudPlatform::Client)
-        .to receive(:projects_list).and_return(projects)
-
-      allow_any_instance_of(GoogleApi::CloudPlatform::Client)
-        .to receive_message_chain(:projects_get_billing_info, :billing_enabled)
-        .and_return(project_billing_enabled)
+      stub_cloud_platform_projects_list(project_id: project_id)
     end
     subject { service.execute('bogustoken') }
     context 'google account has a billing enabled gcp project' do
-      let(:project_billing_enabled) { true }
-      it { is_expected.to eq(projects) }
+      before do
+        stub_cloud_platform_projects_get_billing_info(project_id, true)
+      end
+      it { is_expected.to all(satisfy { |project| project.project_id == project_id }) }
     end
     context 'google account does not have a billing enabled gcp project' do
-      let(:project_billing_enabled) { false }
+      before do
+        stub_cloud_platform_projects_get_billing_info(project_id, false)
+      end
       it { is_expected.to eq([]) }
     end

spec/support/google_api/cloud_platform_helpers.rb

@@ -10,10 +10,14 @@ module GoogleApi
       request.session[GoogleApi::CloudPlatform::Client.session_key_for_expires_at] = 1.hour.ago.to_i.to_s
     end
-    def stub_google_project_billing_status
-      redis_double = double
-      allow(Gitlab::Redis::SharedState).to receive(:with).and_yield(redis_double)
-      allow(redis_double).to receive(:get).with(CheckGcpProjectBillingWorker.redis_shared_state_key_for('token')).and_return('true')
+    def stub_cloud_platform_projects_list(options)
+      WebMock.stub_request(:get, cloud_platform_projects_list_url)
+        .to_return(cloud_platform_response(cloud_platform_projects_body(options)))
+    end
+
+    def stub_cloud_platform_projects_get_billing_info(project_id, billing_enabled)
+      WebMock.stub_request(:get, cloud_platform_projects_get_billing_info_url(project_id))
+        .to_return(cloud_platform_response(cloud_platform_projects_billing_info_body(project_id, billing_enabled)))
     end
     def stub_cloud_platform_get_zone_cluster(project_id, zone, cluster_id, **options)
@@ -46,6 +50,14 @@ module GoogleApi
         .to_return(status: [500, "Internal Server Error"])
     end
+    def cloud_platform_projects_list_url
+      "https://cloudresourcemanager.googleapis.com/v1/projects"
+    end
+
+    def cloud_platform_projects_get_billing_info_url(project_id)
+      "https://cloudbilling.googleapis.com/v1/projects/#{project_id}/billingInfo"
+    end
+
     def cloud_platform_get_zone_cluster_url(project_id, zone, cluster_id)
       "https://container.googleapis.com/v1/projects/#{project_id}/zones/#{zone}/clusters/#{cluster_id}"
     end
@@ -121,5 +133,32 @@ module GoogleApi
         "endTime": options[:endTime] || ''
       }
     end
+
+    def cloud_platform_projects_body(**options)
+      {
+        "projects": [
+          {
+            "projectNumber": options[:project_number] || "1234",
+            "projectId": options[:project_id] || "test-project-1234",
+            "lifecycleState": "ACTIVE",
+            "name": options[:name] || "test-project",
+            "createTime": "2017-12-16T01:48:29.129Z",
+            "parent": {
+              "type": "organization",
+              "id": "12345"
+            }
+          }
+        ]
+      }
+    end
+
+    def cloud_platform_projects_billing_info_body(project_id, billing_enabled)
+      {
+        "name": "projects/#{project_id}/billingInfo",
+        "projectId": "#{project_id}",
+        "billingAccountName": "account-name",
+        "billingEnabled": billing_enabled
+      }
+    end
   end
 end