1 files changed, 72 insertions, 0 deletions
diff --git a/spec/controllers/projects/serverless/functions_controller_spec.rb b/spec/controllers/projects/serverless/functions_controller_spec.rb
new file mode 100644
index 00000000000..284b582b1f5
--- /dev/null
+++ b/spec/controllers/projects/serverless/functions_controller_spec.rb
@@ -0,0 +1,72 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Projects::Serverless::FunctionsController do
+  include KubernetesHelpers
+  include ReactiveCachingHelpers
+
+  let(:user) { create(:user) }
+  let(:cluster) { create(:cluster, :project, :provided_by_gcp) }
+  let(:knative) { create(:clusters_applications_knative, :installed, cluster: cluster) }
+  let(:service) { cluster.platform_kubernetes }
+  let(:project) { cluster.project}
+
+  let(:namespace) do
+    create(:cluster_kubernetes_namespace,
+      cluster: cluster,
+      cluster_project: cluster.cluster_project,
+      project: cluster.cluster_project.project)
+  end
+
+  before do
+    project.add_maintainer(user)
+    sign_in(user)
+  end
+
+  def params(opts = {})
+    opts.reverse_merge(namespace_id: project.namespace.to_param,
+                       project_id: project.to_param)
+  end
+
+  describe 'GET #index' do
+    context 'empty cache' do
+      it 'has no data' do
+        get :index, params({ format: :json })
+
+        expect(response).to have_gitlab_http_status(204)
+      end
+
+      it 'renders an html page' do
+        get :index, params
+
+        expect(response).to have_gitlab_http_status(200)
+      end
+    end
+  end
+
+  describe 'GET #index with data', :use_clean_rails_memory_store_caching do
+    before do
+      stub_reactive_cache(knative, services: kube_knative_services_body(namespace: namespace.namespace, name: cluster.project.name)["items"])
+    end
+
+    it 'has data' do
+      get :index, params({ format:  :json })
+
+      expect(response).to have_gitlab_http_status(200)
+
+      expect(json_response).to contain_exactly(
+        a_hash_including(
+          "name" => project.name,
+          "url" => "http://#{project.name}.#{namespace.namespace}.example.com"
+        )
+      )
+    end
+
+    it 'has data in html' do
+      get :index, params
+
+      expect(response).to have_gitlab_http_status(200)
+    end
+  end
+end