debian-mirror-gitlab/spec/lib/gitlab/kubernetes/helm/api_spec.rb
2018-03-27 19:54:05 +05:30

87 lines
2.7 KiB
Ruby

require 'spec_helper'
describe Gitlab::Kubernetes::Helm::Api do
let(:client) { double('kubernetes client') }
let(:helm) { described_class.new(client) }
let(:gitlab_namespace) { Gitlab::Kubernetes::Helm::NAMESPACE }
let(:namespace) { Gitlab::Kubernetes::Namespace.new(gitlab_namespace, client) }
let(:application) { create(:clusters_applications_prometheus) }
let(:command) do
Gitlab::Kubernetes::Helm::InstallCommand.new(
application.name,
chart: application.chart,
values: application.values
)
end
subject { helm }
before do
allow(Gitlab::Kubernetes::Namespace).to receive(:new).with(gitlab_namespace, client).and_return(namespace)
allow(client).to receive(:create_config_map)
end
describe '#initialize' do
it 'creates a namespace object' do
expect(Gitlab::Kubernetes::Namespace).to receive(:new).with(gitlab_namespace, client)
subject
end
end
describe '#install' do
before do
allow(client).to receive(:create_pod).and_return(nil)
allow(client).to receive(:create_config_map).and_return(nil)
allow(namespace).to receive(:ensure_exists!).once
end
it 'ensures the namespace exists before creating the POD' do
expect(namespace).to receive(:ensure_exists!).once.ordered
expect(client).to receive(:create_pod).once.ordered
subject.install(command)
end
context 'with a ConfigMap' do
let(:resource) { Gitlab::Kubernetes::ConfigMap.new(application.name, application.values).generate }
it 'creates a ConfigMap on kubeclient' do
expect(client).to receive(:create_config_map).with(resource).once
subject.install(command)
end
end
end
describe '#installation_status' do
let(:phase) { Gitlab::Kubernetes::Pod::RUNNING }
let(:pod) { Kubeclient::Resource.new(status: { phase: phase }) } # partial representation
it 'fetches POD phase from kubernetes cluster' do
expect(client).to receive(:get_pod).with(command.pod_name, gitlab_namespace).once.and_return(pod)
expect(subject.installation_status(command.pod_name)).to eq(phase)
end
end
describe '#installation_log' do
let(:log) { 'some output' }
let(:response) { RestClient::Response.new(log) }
it 'fetches POD phase from kubernetes cluster' do
expect(client).to receive(:get_pod_log).with(command.pod_name, gitlab_namespace).once.and_return(response)
expect(subject.installation_log(command.pod_name)).to eq(log)
end
end
describe '#delete_installation_pod!' do
it 'deletes the POD from kubernetes cluster' do
expect(client).to receive(:delete_pod).with(command.pod_name, gitlab_namespace).once
subject.delete_installation_pod!(command.pod_name)
end
end
end