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# frozen_string_literal: true
require 'spec_helper'
describe Projects::Serverless::FunctionsFinder do
include KubernetesHelpers
include PrometheusHelpers
include ReactiveCachingHelpers
let(:user) { create(:user) }
let(:cluster) { create(:cluster, :project, :provided_by_gcp) }
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)
end
describe '#installed' do
it 'when reactive_caching is still fetching data' do
expect(described_class.new(project).knative_installed).to eq 'checking'
end
context 'when reactive_caching has finished' do
let(:knative_services_finder) { project.clusters.first.knative_services_finder(project) }
before do
allow_any_instance_of(Clusters::Cluster)
.to receive(:knative_services_finder)
.and_return(knative_services_finder)
synchronous_reactive_cache(knative_services_finder)
end
context 'when knative is not installed' do
it 'returns false' do
stub_kubeclient_discover_knative_not_found(service.api_url)
expect(described_class.new(project).knative_installed).to eq false
end
end
context 'reactive_caching is finished and knative is installed' do
let(:knative_services_finder) { project.clusters.first.knative_services_finder(project) }
it 'returns true' do
stub_kubeclient_knative_services(namespace: namespace.namespace)
stub_kubeclient_service_pods(nil, namespace: namespace.namespace)
expect(described_class.new(project).knative_installed).to be true
end
end
end
end
describe 'retrieve data from knative' do
context 'does not have knative installed' do
it { expect(described_class.new(project).execute).to be_empty }
end
context 'has knative installed' do
let!(:knative) { create(:clusters_applications_knative, :installed, cluster: cluster) }
let(:finder) { described_class.new(project) }
it 'there are no functions' do
expect(finder.execute).to be_empty
end
it 'there are functions', :use_clean_rails_memory_store_caching do
stub_kubeclient_service_pods
stub_reactive_cache(cluster.knative_services_finder(project),
{
services: kube_knative_services_body(namespace: namespace.namespace, name: cluster.project.name)["items"],
pods: kube_knative_pods_body(cluster.project.name, namespace.namespace)["items"]
},
*cluster.knative_services_finder(project).cache_args)
expect(finder.execute).not_to be_empty
end
it 'has a function', :use_clean_rails_memory_store_caching do
stub_kubeclient_service_pods
stub_reactive_cache(cluster.knative_services_finder(project),
{
services: kube_knative_services_body(namespace: namespace.namespace, name: cluster.project.name)["items"],
pods: kube_knative_pods_body(cluster.project.name, namespace.namespace)["items"]
},
*cluster.knative_services_finder(project).cache_args)
result = finder.service(cluster.environment_scope, cluster.project.name)
expect(result).not_to be_empty
expect(result["metadata"]["name"]).to be_eql(cluster.project.name)
end
it 'has metrics', :use_clean_rails_memory_store_caching do
end
end
context 'has prometheus' do
let(:prometheus_adapter) { double('prometheus_adapter', can_query?: true) }
let!(:knative) { create(:clusters_applications_knative, :installed, cluster: cluster) }
let!(:prometheus) { create(:clusters_applications_prometheus, :installed, cluster: cluster) }
let(:finder) { described_class.new(project) }
before do
allow(finder).to receive(:prometheus_adapter).and_return(prometheus_adapter)
allow(prometheus_adapter).to receive(:query).and_return(prometheus_empty_body('matrix'))
end
it 'is available' do
expect(finder.has_prometheus?("*")).to be true
end
it 'has query data' do
expect(finder.invocation_metrics("*", cluster.project.name)).not_to be_nil
end
end
end
end
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