Restructure spec

spec/migrations/migrate_kubernetes_service_to_new_clusters_architectures_spec.rb

@@ -2,188 +2,257 @@ require 'spec_helper'
 require Rails.root.join('db', 'post_migrate', '20171124104327_migrate_kubernetes_service_to_new_clusters_architectures.rb')
 
 describe MigrateKubernetesServiceToNewClustersArchitectures, :migration do
-  context 'when user configured kubernetes from CI/CD > Clusters' do
-    let(:project) { create(:project) }
-    let(:user) { create(:user) }
-
-    # Platforms::Kubernetes (New archtecture)
-    let!(:cluster) do
-      create(:cluster,
-             projects: [project],
-             user: user,
-             provider_type: :gcp,
-             platform_type: :kubernetes,
-             provider_gcp: provider_gcp,
-             platform_kubernetes: platform_kubernetes)
-    end
-
-    let(:provider_gcp) { create(:cluster_provider_gcp, :created) }
-    let(:platform_kubernetes) { create(:cluster_platform_kubernetes, :configured) }
-
-    # KubernetesService (Automatically synchronized when Platforms::Kubernetes created)
-    let!(:kubernetes_service) { create(:kubernetes_service, project: project) }
-
-    context 'when user is using the cluster' do
-      it 'migrates' do
-        expect{ migrate! }.not_to change { Clusters::Cluster.count }
-        expect(cluster).to be_active
-        expect(kubernetes_service).not_to be_active
-      end
-    end
-
-    context 'when user disabled cluster' do
-      before do
-        disable_cluster!
-      end
-
-      context 'when user configured kubernetes from Integration > Kubernetes' do
-        before do
-          kubernetes_service.update(
-            active: true,
-            api_url: 'http://new.kube.com',
-            ca_pem: nil,
-            token: 'z' * 40).reload
+  context 'when unique KubernetesService exists' do
+    shared_examples 'KubernetesService migration' do
+      let(:sample_num) { 2 }
+      let(:projects) { create_list(:project, sample_num) }
+
+      let!(:kubernetes_services) do
+        projects.map do |project|
+          create(:kubernetes_service,
+                 project: project,
+                 active: active,
+                 api_url: "https://kubernetes#{project.id}.com",
+                 token: defined?(token) ? token : "token#{project.id}",
+                 ca_pem: "ca_pem#{project.id}")
         end
+      end
 
-        context 'when user is using the kubernetes service' do
-          it 'migrates' do
-            expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
-
-            Clusters::Cluster.last.tap do |c|
-              expect(c).to be_active
-              expect(c.platform_kubernetes.api_url).to eq(kubernetes_service.api_url)
-              expect(c.platform_kubernetes.ca_pem).to eq(kubernetes_service.ca_pem)
-              expect(c.platform_kubernetes.token).to eq(kubernetes_service.token)
-            end
-
-            expect(kubernetes_service).not_to be_active
-          end
-        end
-
-        context 'when user stopped using the kubernetes service' do
-          before do
-            kubernetes_service.update(active: false)
-          end
-
-          it 'migrates' do
-            expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
-
-            Clusters::Cluster.last.tap do |c|
-              expect(c).not_to be_active
-              expect(c.platform_kubernetes.api_url).to eq(kubernetes_service.api_url)
-              expect(c.platform_kubernetes.ca_pem).to eq(kubernetes_service.ca_pem)
-              expect(c.platform_kubernetes.token).to eq(kubernetes_service.token)
-            end
-
-            expect(kubernetes_service).not_to be_active
+      it 'migrates the KubernetesService to Platform::Kubernetes' do
+        expect{ migrate! }.to change { Clusters::Cluster.count }.by(sample_num)
+
+        projects.each do |project|
+          project.clusters.last.tap do |cluster|
+            expect(cluster.enabled).to eq(active)
+            expect(cluster.platform_kubernetes.api_url).to eq(project.kubernetes_service.api_url)
+            expect(cluster.platform_kubernetes.ca_pem).to eq(project.kubernetes_service.ca_pem)
+            expect(cluster.platform_kubernetes.token).to eq(project.kubernetes_service.token)
+            expect(project.kubernetes_service).not_to be_active
+            expect(project.kubernetes_service.properties['migrated']).to be_truthy
           end
         end
       end
     end
 
-    context 'when user deleted cluster' do
-      before do
-        destory_cluster!
-      end
-
-      context 'when user configured kubernetes from Integration > Kubernetes' do
-        let!(:new_kubernetes_service) do
-          project.create_kubernetes_service(
-            active: true,
-            api_url: 'http://123.123.123.123',
-            ca_pem: nil,
-            token: 'a' * 40)
-        end
-
-        context 'when user is using the kubernetes service' do
-          it 'migrates' do
-            expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
+    context 'when KubernetesService is active' do
+      let(:active) { true }
 
-            Clusters::Cluster.last.tap do |c|
-              expect(c).to be_active
-              expect(c.platform_kubernetes.api_url).to eq(new_kubernetes_service.api_url)
-              expect(c.platform_kubernetes.ca_pem).to eq(new_kubernetes_service.ca_pem)
-              expect(c.platform_kubernetes.token).to eq(new_kubernetes_service.token)
-            end
-
-            expect(new_kubernetes_service).not_to be_active
-          end
-        end
-
-        context 'when user stopped using the kubernetes service' do
-          before do
-            new_kubernetes_service.update(active: false)
-          end
+      it_behaves_like 'KubernetesService migration'
+    end
 
-          it 'migrates' do
-            expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
+    context 'when KubernetesService is not active' do
+      let(:active) { false }
 
-            Clusters::Cluster.last.tap do |c|
-              expect(c).not_to be_active
-              expect(c.platform_kubernetes.api_url).to eq(new_kubernetes_service.api_url)
-              expect(c.platform_kubernetes.ca_pem).to eq(new_kubernetes_service.ca_pem)
-              expect(c.platform_kubernetes.token).to eq(new_kubernetes_service.token)
-            end
+      # Platforms::Kubernetes validates `token` reagdless of the activeness
+      # KubernetesService validates `token` if only it's activated
+      # However, in this migration file, there are no validations because of the migration specific model class
+      # therefore, Validation Error will not happen in this case and just migrate data
+      let(:token) { '' }
 
-            expect(new_kubernetes_service).not_to be_active
-          end
-        end
-      end
+      it_behaves_like 'KubernetesService migration'
     end
   end
 
-  context 'when user configured kubernetes from Integration > Kubernetes' do
-    let(:project) { create(:project) }
-    let!(:kubernetes_service) { create(:kubernetes_service, project: project) }
-
-    context 'when user is using the kubernetes service' do
-      it 'migrates' do
-        expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
-
-        Clusters::Cluster.last.tap do |c|
-          expect(c).to be_active
-          expect(c.platform_kubernetes.api_url).to eq(kubernetes_service.api_url)
-          expect(c.platform_kubernetes.ca_pem).to eq(kubernetes_service.ca_pem)
-          expect(c.platform_kubernetes.token).to eq(kubernetes_service.token)
-        end
+  context 'when unique KubernetesService spawned from Service Template' do
+    it 'migrates the KubernetesService to Platform::Kubernetes' do
 
-        expect(kubernetes_service).not_to be_active
-      end
     end
+  end
 
-    context 'when user stopped using the kubernetes service' do
-      before do
-        kubernetes_service.update(active: false)
-      end
-
-      it 'migrates' do
-        expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
-
-        Clusters::Cluster.last.tap do |c|
-          expect(c).not_to be_active
-          expect(c.platform_kubernetes.api_url).to eq(kubernetes_service.api_url)
-          expect(c.platform_kubernetes.ca_pem).to eq(kubernetes_service.ca_pem)
-          expect(c.platform_kubernetes.token).to eq(kubernetes_service.token)
-        end
+  context 'when synced KubernetesService exists' do
+    it 'does not migrate the KubernetesService' do # Because the corresponding Platform::Kubernetes already exists
 
-        expect(kubernetes_service).not_to be_active
-      end
     end
   end
 
-  context 'when nothing is configured' do
-    it 'migrates' do
-      expect{ migrate! }.not_to change { Clusters::Cluster.count }
-    end
-  end
+  context 'when KubernetesService does not exist' do
+    it 'does not migrate the KubernetesService' do
 
-  def disable_cluster!
-    cluster.update!(enabled: false)
-    kubernetes_service.update!(active: false)
+    end
   end
 
-  def destory_cluster!
-    cluster.destroy!
-    kubernetes_service.destroy!
-  end
+  # context 'when user configured kubernetes from CI/CD > Clusters' do
+  #   let(:project) { create(:project) }
+  #   let(:user) { create(:user) }
+
+  #   # Platforms::Kubernetes (New archtecture)
+  #   let!(:cluster) do
+  #     create(:cluster,
+  #            projects: [project],
+  #            user: user,
+  #            provider_type: :gcp,
+  #            platform_type: :kubernetes,
+  #            provider_gcp: provider_gcp,
+  #            platform_kubernetes: platform_kubernetes)
+  #   end
+
+  #   let(:provider_gcp) { create(:cluster_provider_gcp, :created) }
+  #   let(:platform_kubernetes) { create(:cluster_platform_kubernetes, :configured) }
+
+  #   # KubernetesService (Automatically synchronized when Platforms::Kubernetes created)
+  #   let!(:kubernetes_service) { create(:kubernetes_service, project: project) }
+
+  #   context 'when user is using the cluster' do
+  #     it 'migrates' do
+  #       expect{ migrate! }.not_to change { Clusters::Cluster.count }
+  #       expect(cluster).to be_active
+  #       expect(kubernetes_service).not_to be_active
+  #     end
+  #   end
+
+  #   context 'when user disabled cluster' do
+  #     before do
+  #       disable_cluster!
+  #     end
+
+  #     context 'when user configured kubernetes from Integration > Kubernetes' do
+  #       before do
+  #         kubernetes_service.update(
+  #           active: true,
+  #           api_url: 'http://new.kube.com',
+  #           ca_pem: nil,
+  #           token: 'z' * 40).reload
+  #       end
+
+  #       context 'when user is using the kubernetes service' do
+  #         it 'migrates' do
+  #           expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
+
+  #           Clusters::Cluster.last.tap do |c|
+  #             expect(c).to be_active
+  #             expect(c.platform_kubernetes.api_url).to eq(kubernetes_service.api_url)
+  #             expect(c.platform_kubernetes.ca_pem).to eq(kubernetes_service.ca_pem)
+  #             expect(c.platform_kubernetes.token).to eq(kubernetes_service.token)
+  #           end
+
+  #           expect(kubernetes_service).not_to be_active
+  #         end
+  #       end
+
+  #       context 'when user stopped using the kubernetes service' do
+  #         before do
+  #           kubernetes_service.update(active: false)
+  #         end
+
+  #         it 'migrates' do
+  #           expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
+
+  #           Clusters::Cluster.last.tap do |c|
+  #             expect(c).not_to be_active
+  #             expect(c.platform_kubernetes.api_url).to eq(kubernetes_service.api_url)
+  #             expect(c.platform_kubernetes.ca_pem).to eq(kubernetes_service.ca_pem)
+  #             expect(c.platform_kubernetes.token).to eq(kubernetes_service.token)
+  #           end
+
+  #           expect(kubernetes_service).not_to be_active
+  #         end
+  #       end
+  #     end
+  #   end
+
+  #   context 'when user deleted cluster' do
+  #     before do
+  #       destory_cluster!
+  #     end
+
+  #     context 'when user configured kubernetes from Integration > Kubernetes' do
+  #       let!(:new_kubernetes_service) do
+  #         project.create_kubernetes_service(
+  #           active: true,
+  #           api_url: 'http://123.123.123.123',
+  #           ca_pem: nil,
+  #           token: 'a' * 40)
+  #       end
+
+  #       context 'when user is using the kubernetes service' do
+  #         it 'migrates' do
+  #           expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
+
+  #           Clusters::Cluster.last.tap do |c|
+  #             expect(c).to be_active
+  #             expect(c.platform_kubernetes.api_url).to eq(new_kubernetes_service.api_url)
+  #             expect(c.platform_kubernetes.ca_pem).to eq(new_kubernetes_service.ca_pem)
+  #             expect(c.platform_kubernetes.token).to eq(new_kubernetes_service.token)
+  #           end
+
+  #           expect(new_kubernetes_service).not_to be_active
+  #         end
+  #       end
+
+  #       context 'when user stopped using the kubernetes service' do
+  #         before do
+  #           new_kubernetes_service.update(active: false)
+  #         end
+
+  #         it 'migrates' do
+  #           expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
+
+  #           Clusters::Cluster.last.tap do |c|
+  #             expect(c).not_to be_active
+  #             expect(c.platform_kubernetes.api_url).to eq(new_kubernetes_service.api_url)
+  #             expect(c.platform_kubernetes.ca_pem).to eq(new_kubernetes_service.ca_pem)
+  #             expect(c.platform_kubernetes.token).to eq(new_kubernetes_service.token)
+  #           end
+
+  #           expect(new_kubernetes_service).not_to be_active
+  #         end
+  #       end
+  #     end
+  #   end
+  # end
+
+  # context 'when user configured kubernetes from Integration > Kubernetes' do
+  #   let(:project) { create(:project) }
+  #   let!(:kubernetes_service) { create(:kubernetes_service, project: project) }
+
+  #   context 'when user is using the kubernetes service' do
+  #     it 'migrates' do
+  #       expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
+
+  #       Clusters::Cluster.last.tap do |c|
+  #         expect(c).to be_active
+  #         expect(c.platform_kubernetes.api_url).to eq(kubernetes_service.api_url)
+  #         expect(c.platform_kubernetes.ca_pem).to eq(kubernetes_service.ca_pem)
+  #         expect(c.platform_kubernetes.token).to eq(kubernetes_service.token)
+  #       end
+
+  #       expect(kubernetes_service).not_to be_active
+  #     end
+  #   end
+
+  #   context 'when user stopped using the kubernetes service' do
+  #     before do
+  #       kubernetes_service.update(active: false)
+  #     end
+
+  #     it 'migrates' do
+  #       expect{ migrate! }.to change { Clusters::Cluster.count }.by(1)
+
+  #       Clusters::Cluster.last.tap do |c|
+  #         expect(c).not_to be_active
+  #         expect(c.platform_kubernetes.api_url).to eq(kubernetes_service.api_url)
+  #         expect(c.platform_kubernetes.ca_pem).to eq(kubernetes_service.ca_pem)
+  #         expect(c.platform_kubernetes.token).to eq(kubernetes_service.token)
+  #       end
+
+  #       expect(kubernetes_service).not_to be_active
+  #     end
+  #   end
+  # end
+
+  # context 'when nothing is configured' do
+  #   it 'migrates' do
+  #     expect{ migrate! }.not_to change { Clusters::Cluster.count }
+  #   end
+  # end
+
+  # def disable_cluster!
+  #   cluster.update!(enabled: false)
+  #   kubernetes_service.update!(active: false)
+  # end
+
+  # def destory_cluster!
+  #   cluster.destroy!
+  #   kubernetes_service.destroy!
+  # end
 end