317 lines
11 KiB
Ruby
317 lines
11 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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describe Projects::Serverless::FunctionsController do
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include KubernetesHelpers
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include ReactiveCachingHelpers
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let(:user) { create(:user) }
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let(:project) { create(:project, :repository) }
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let(:cluster) { create(:cluster, :project, :provided_by_gcp, projects: [project]) }
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let(:service) { cluster.platform_kubernetes }
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let(:environment) { create(:environment, project: project) }
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let!(:deployment) { create(:deployment, :success, environment: environment, cluster: cluster) }
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let(:knative_services_finder) { environment.knative_services_finder }
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let(:function_description) { 'A serverless function' }
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let(:function_name) { 'some-function-name' }
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let(:knative_stub_options) do
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{ namespace: namespace.namespace, name: function_name, description: function_description }
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end
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let(:knative) { create(:clusters_applications_knative, :installed, cluster: cluster) }
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let(:namespace) do
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create(:cluster_kubernetes_namespace,
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cluster: cluster,
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cluster_project: cluster.cluster_project,
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project: cluster.cluster_project.project,
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environment: environment)
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end
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before do
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project.add_maintainer(user)
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sign_in(user)
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end
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def params(opts = {})
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opts.reverse_merge(namespace_id: project.namespace.to_param,
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project_id: project.to_param)
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end
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describe 'GET #index' do
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let(:expected_json) { { 'knative_installed' => knative_state, 'functions' => functions } }
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context 'when cache is being read' do
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let(:knative_state) { 'checking' }
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let(:functions) { [] }
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before do
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get :index, params: params({ format: :json })
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end
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it 'returns checking' do
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expect(json_response).to eq expected_json
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end
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it { expect(response).to have_gitlab_http_status(:ok) }
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end
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context 'when cache is ready' do
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let(:knative_state) { true }
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before do
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allow(Clusters::KnativeServicesFinder)
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.to receive(:new)
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.and_return(knative_services_finder)
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synchronous_reactive_cache(knative_services_finder)
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stub_kubeclient_service_pods(
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kube_response({ "kind" => "PodList", "items" => [] }),
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namespace: namespace.namespace
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)
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end
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context 'when no functions were found' do
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let(:functions) { [] }
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before do
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stub_kubeclient_knative_services(
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namespace: namespace.namespace,
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response: kube_response({ "kind" => "ServiceList", "items" => [] })
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)
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get :index, params: params({ format: :json })
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end
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it 'returns checking' do
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expect(json_response).to eq expected_json
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end
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it { expect(response).to have_gitlab_http_status(:ok) }
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end
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context 'when functions were found' do
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let(:functions) { [{}, {}] }
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before do
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stub_kubeclient_knative_services(namespace: namespace.namespace, cluster_id: cluster.id, name: function_name)
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end
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it 'returns functions' do
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get :index, params: params({ format: :json })
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expect(json_response["functions"]).not_to be_empty
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end
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it 'filters out the functions whose cluster the user does not have permission to read' do
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allow(controller).to receive(:can?).and_return(true)
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expect(controller).to receive(:can?).with(user, :read_cluster, cluster).and_return(false)
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get :index, params: params({ format: :json })
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expect(json_response["functions"]).to be_empty
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end
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it 'returns a successful response status' do
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get :index, params: params({ format: :json })
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expect(response).to have_gitlab_http_status(:ok)
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end
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context 'when there is serverless domain for a cluster' do
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let!(:serverless_domain_cluster) do
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create(:serverless_domain_cluster, clusters_applications_knative_id: knative.id)
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end
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it 'returns JSON with function details with serverless domain URL' do
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get :index, params: params({ format: :json })
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expect(response).to have_gitlab_http_status(:ok)
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expect(json_response["functions"]).not_to be_empty
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expect(json_response["functions"]).to all(
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include(
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'url' => "https://#{function_name}-#{serverless_domain_cluster.uuid[0..1]}a1#{serverless_domain_cluster.uuid[2..-3]}f2#{serverless_domain_cluster.uuid[-2..-1]}#{"%x" % environment.id}-#{environment.slug}.#{serverless_domain_cluster.domain}"
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)
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)
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end
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end
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context 'when there is no serverless domain for a cluster' do
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it 'keeps function URL as it was' do
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expect(::Serverless::Domain).not_to receive(:new)
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get :index, params: params({ format: :json })
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expect(response).to have_gitlab_http_status(:ok)
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end
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end
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end
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end
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end
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describe 'GET #show' do
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context 'with function that does not exist' do
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it 'returns 404' do
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get :show, params: params({ format: :json, environment_id: "*", id: "foo" })
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expect(response).to have_gitlab_http_status(:not_found)
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end
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end
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context 'with valid data', :use_clean_rails_memory_store_caching do
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shared_examples 'GET #show with valid data' do
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context 'when there is serverless domain for a cluster' do
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let!(:serverless_domain_cluster) do
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create(:serverless_domain_cluster, clusters_applications_knative_id: knative.id)
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end
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it 'returns JSON with function details with serverless domain URL' do
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get :show, params: params({ format: :json, environment_id: "*", id: function_name })
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expect(response).to have_gitlab_http_status(:ok)
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expect(json_response).to include(
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'url' => "https://#{function_name}-#{serverless_domain_cluster.uuid[0..1]}a1#{serverless_domain_cluster.uuid[2..-3]}f2#{serverless_domain_cluster.uuid[-2..-1]}#{"%x" % environment.id}-#{environment.slug}.#{serverless_domain_cluster.domain}"
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)
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end
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it 'returns 404 when user does not have permission to read the cluster' do
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allow(controller).to receive(:can?).and_return(true)
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expect(controller).to receive(:can?).with(user, :read_cluster, cluster).and_return(false)
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get :show, params: params({ format: :json, environment_id: "*", id: function_name })
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expect(response).to have_gitlab_http_status(:not_found)
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end
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end
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context 'when there is no serverless domain for a cluster' do
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it 'keeps function URL as it was' do
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get :show, params: params({ format: :json, environment_id: "*", id: function_name })
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expect(response).to have_gitlab_http_status(:ok)
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expect(json_response).to include(
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'url' => "http://#{function_name}.#{namespace.namespace}.example.com"
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)
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end
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end
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it 'return json with function details' do
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get :show, params: params({ format: :json, environment_id: "*", id: function_name })
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expect(response).to have_gitlab_http_status(:ok)
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expect(json_response).to include(
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'name' => function_name,
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'url' => "http://#{function_name}.#{namespace.namespace}.example.com",
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'description' => function_description,
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'podcount' => 0
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)
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end
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end
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context 'on Knative 0.5.0' do
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before do
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prepare_knative_stubs(knative_05_service(knative_stub_options))
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end
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include_examples 'GET #show with valid data'
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end
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context 'on Knative 0.6.0' do
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before do
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prepare_knative_stubs(knative_06_service(knative_stub_options))
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end
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include_examples 'GET #show with valid data'
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end
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context 'on Knative 0.7.0' do
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before do
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prepare_knative_stubs(knative_07_service(knative_stub_options))
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end
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include_examples 'GET #show with valid data'
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end
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context 'on Knative 0.9.0' do
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before do
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prepare_knative_stubs(knative_09_service(knative_stub_options))
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end
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include_examples 'GET #show with valid data'
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end
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end
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end
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describe 'GET #metrics' do
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context 'invalid data' do
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it 'has a bad function name' do
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get :metrics, params: params({ format: :json, environment_id: "*", id: "foo" })
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expect(response).to have_gitlab_http_status(:no_content)
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end
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end
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end
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describe 'GET #index with data', :use_clean_rails_memory_store_caching do
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shared_examples 'GET #index with data' do
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it 'has data' do
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get :index, params: params({ format: :json })
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expect(response).to have_gitlab_http_status(:ok)
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expect(json_response).to match({
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'knative_installed' => 'checking',
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'functions' => [
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a_hash_including(
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'name' => function_name,
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'url' => "http://#{function_name}.#{namespace.namespace}.example.com",
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'description' => function_description
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)
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]
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})
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end
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it 'has data in html' do
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get :index, params: params
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expect(response).to have_gitlab_http_status(:ok)
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end
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end
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context 'on Knative 0.5.0' do
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before do
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prepare_knative_stubs(knative_05_service(knative_stub_options))
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end
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include_examples 'GET #index with data'
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end
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context 'on Knative 0.6.0' do
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before do
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prepare_knative_stubs(knative_06_service(knative_stub_options))
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end
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include_examples 'GET #index with data'
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end
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context 'on Knative 0.7.0' do
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before do
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prepare_knative_stubs(knative_07_service(knative_stub_options))
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end
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include_examples 'GET #index with data'
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end
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context 'on Knative 0.9.0' do
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before do
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prepare_knative_stubs(knative_09_service(knative_stub_options))
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end
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include_examples 'GET #index with data'
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end
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end
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def prepare_knative_stubs(knative_service)
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stub_kubeclient_service_pods
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stub_reactive_cache(knative_services_finder,
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{
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services: [knative_service],
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pods: kube_knative_pods_body(cluster.project.name, namespace.namespace)["items"]
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},
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*knative_services_finder.cache_args)
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end
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end
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