Added cluster controller specs

2 files changed, 321 insertions, 0 deletions

diff --git a/spec/controllers/projects/clusters_controller_spec.rb b/spec/controllers/projects/clusters_controller_spec.rb
new file mode 100644
index 00000000000..af182a20f14
--- /dev/null
+++ b/spec/controllers/projects/clusters_controller_spec.rb
@@ -0,0 +1,310 @@
+require 'spec_helper'
+
+describe Projects::ClustersController do
+  set(:user) { create(:user) }
+  set(:project) { create(:project) }
+  let(:role) { :master }
+
+  before do
+    project.team << [user, role]
+
+    sign_in(user)
+  end
+
+  describe 'GET index' do
+    subject do
+      get :index, namespace_id: project.namespace,
+                  project_id: project
+    end
+
+    context 'when cluster is already created' do
+      let!(:cluster) { create(:gcp_cluster, :created_on_gke, project: project) }
+
+      it 'redirects to show a cluster' do
+        subject
+
+        expect(response).to redirect_to(project_cluster_path(project, cluster))
+      end
+    end
+
+    context 'when we do not have cluster' do
+      it 'redirects to create a cluster' do
+        subject
+
+        expect(response).to redirect_to(new_project_cluster_path(project))
+      end
+    end
+  end
+
+  describe 'GET login' do
+    render_views
+
+    subject do
+      get :login, namespace_id: project.namespace,
+                  project_id: project
+    end
+
+    context 'when we do have omniauth configured' do
+      it 'shows login button' do
+        subject
+
+        expect(response.body).to include('auth_buttons/signin_with_google')
+      end
+    end
+
+    context 'when we do not have omniauth configured' do
+      before do
+        stub_omniauth_setting(providers: [])
+      end
+
+      it 'shows notice message' do
+        subject
+
+        expect(response.body).to include('Ask your GitLab administrator if you want to use this service.')
+      end
+    end
+  end
+
+  shared_examples 'requires to login' do
+    it 'redirects to create a cluster' do
+      subject
+
+      expect(response).to redirect_to(login_project_clusters_path(project))
+    end
+  end
+
+  describe 'GET new' do
+    render_views
+
+    subject do
+      get :new, namespace_id: project.namespace,
+                project_id: project
+    end
+
+    context 'when logged' do
+      before do
+        make_logged_in
+      end
+
+      it 'shows a creation form' do
+        subject
+
+        expect(response.body).to include('Create cluster')
+      end
+    end
+
+    context 'when not logged' do
+      it_behaves_like 'requires to login'
+    end
+  end
+
+  describe 'POST create' do
+    subject do
+      post :create, params.merge(
+                      namespace_id: project.namespace,
+                      project_id: project)
+    end
+
+    context 'when not logged' do
+      let(:params) { {} }
+
+      it_behaves_like 'requires to login'
+    end
+
+    context 'when logged in' do
+      before do
+        make_logged_in
+      end
+
+      context 'when all required parameters are set' do
+        let(:params) do 
+          {
+            cluster: {
+              gcp_cluster_name: 'new-cluster',
+              gcp_project_id: '111',
+            } 
+          }
+        end
+
+        before do
+          expect(ClusterProvisionWorker).to receive(:perform_async) { }
+        end
+
+        it 'creates a new cluster' do
+          expect { subject }.to change { Gcp::Cluster.count }
+
+          expect(response).to redirect_to(project_cluster_path(project, project.cluster))
+        end
+      end
+
+      context 'when not all required parameters are set' do
+        render_views
+
+        let(:params) do 
+          {
+            cluster: {
+              project_namespace: 'some namespace'
+            }
+          }
+        end
+
+        it 'shows an error message' do
+          expect { subject }.not_to change { Gcp::Cluster.count }
+
+          expect(response).to render_template(:new)
+        end
+      end
+    end
+  end
+
+  describe 'GET status' do
+    let(:cluster) { create(:gcp_cluster, :created_on_gke, project: project) }
+
+    subject do
+      get :status, namespace_id: project.namespace,
+                   project_id: project,
+                   id: cluster,
+                   format: :json
+    end
+
+    it "responds with matching schema" do
+      subject
+
+      expect(response).to have_http_status(:ok)
+      expect(response).to match_response_schema('cluster_status')
+    end
+  end
+
+  describe 'GET show' do
+    render_views
+
+    let(:cluster) { create(:gcp_cluster, :created_on_gke, project: project) }
+
+    subject do
+      get :show, namespace_id: project.namespace,
+                 project_id: project,
+                 id: cluster
+    end
+
+    context 'when logged as master' do
+      it "allows to update cluster" do
+        subject
+
+        expect(response).to have_http_status(:ok)
+        expect(response.body).to include("Save changes")
+      end
+
+      it "allows remove integration" do
+        subject
+
+        expect(response).to have_http_status(:ok)
+        expect(response.body).to include("Remove integration")
+      end
+    end
+
+    context 'when logged as developer' do
+      let(:role) { :developer }
+
+      it "does not allow to access page" do
+        subject
+
+        expect(response).to have_http_status(:not_found)
+      end
+    end
+  end
+
+  describe 'PUT update' do
+    render_views
+
+    let(:service) { project.build_kubernetes_service }
+    let(:cluster) { create(:gcp_cluster, :created_on_gke, project: project, service: service) }
+    let(:params) { {} }
+
+    subject do
+      put :update, params.merge(
+                     namespace_id: project.namespace,
+                     project_id: project,
+                     id: cluster)
+    end
+
+    context 'when logged as master' do
+      context 'when valid params are used' do
+        let(:params) do
+          {
+            cluster: { enabled: false }
+          }
+        end
+
+        it "redirects back to show page" do
+          subject
+
+          expect(response).to redirect_to(project_cluster_path(project, project.cluster))
+          expect(flash[:notice]).to eq('Cluster was successfully updated.')
+        end
+      end
+
+      context 'when invalid params are used' do
+        let(:params) do
+          {
+            cluster: { project_namespace: 'my Namespace 321321321 #' }
+          }
+        end
+
+        it "rejects changes" do
+          subject
+
+          expect(response).to have_http_status(:ok)
+          expect(response).to render_template(:show)
+        end
+      end
+    end
+
+    context 'when logged as developer' do
+      let(:role) { :developer }
+
+      it "does not allow to update cluster" do
+        subject
+
+        expect(response).to have_http_status(:not_found)
+      end
+    end
+  end
+
+  describe 'delete update' do
+    let(:cluster) { create(:gcp_cluster, :created_on_gke, project: project) }
+
+    subject do
+      delete :destroy, namespace_id: project.namespace,
+                       project_id: project,
+                       id: cluster
+    end
+
+    context 'when logged as master' do
+      it "redirects back to clusters list" do
+        subject
+
+        expect(response).to redirect_to(project_clusters_path(project))
+        expect(flash[:notice]).to eq('Cluster was successfully removed.')
+      end
+    end
+
+    context 'when logged as developer' do
+      let(:role) { :developer }
+
+      it "does not allow to destroy cluster" do
+        subject
+
+        expect(response).to have_http_status(:not_found)
+      end
+    end
+  end
+
+  def make_logged_in
+    session[GoogleApi::CloudPlatform::Client.session_key_for_token] = '1234'
+    session[GoogleApi::CloudPlatform::Client.session_key_for_expires_at] = in_hour.to_i.to_s
+  end
+
+  def in_hour
+    Time.now + 1.hour
+  end
+end
diff --git a/spec/fixtures/api/schemas/cluster_status.json b/spec/fixtures/api/schemas/cluster_status.json
new file mode 100644
index 00000000000..1f255a17881
--- /dev/null
+++ b/spec/fixtures/api/schemas/cluster_status.json
@@ -0,0 +1,11 @@
+{
+  "type": "object",
+  "required" : [
+    "status"
+  ],
+  "properties" : {
+    "status": { "type": "string" },
+    "status_reason": { "type": ["string", "null"] }
+  },
+  "additionalProperties": false
+}