100 lines
3.1 KiB
Ruby
100 lines
3.1 KiB
Ruby
require 'spec_helper'
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describe Gitlab::Kubernetes::Helm do
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let(:client) { double('kubernetes client') }
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let(:helm) { described_class.new(client) }
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let(:namespace) { Gitlab::Kubernetes::Namespace.new(described_class::NAMESPACE, client) }
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let(:install_helm) { true }
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let(:chart) { 'stable/a_chart' }
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let(:application_name) { 'app_name' }
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let(:command) { Gitlab::Kubernetes::Helm::InstallCommand.new(application_name, install_helm, chart) }
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subject { helm }
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before do
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allow(Gitlab::Kubernetes::Namespace).to receive(:new).with(described_class::NAMESPACE, client).and_return(namespace)
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end
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describe '#initialize' do
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it 'creates a namespace object' do
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expect(Gitlab::Kubernetes::Namespace).to receive(:new).with(described_class::NAMESPACE, client)
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subject
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end
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end
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describe '#install' do
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before do
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allow(client).to receive(:create_pod).and_return(nil)
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allow(namespace).to receive(:ensure_exists!).once
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end
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it 'ensures the namespace exists before creating the POD' do
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expect(namespace).to receive(:ensure_exists!).once.ordered
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expect(client).to receive(:create_pod).once.ordered
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subject.install(command)
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end
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end
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describe '#installation_status' do
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let(:phase) { Gitlab::Kubernetes::Pod::RUNNING }
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let(:pod) { Kubeclient::Resource.new(status: { phase: phase }) } # partial representation
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it 'fetches POD phase from kubernetes cluster' do
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expect(client).to receive(:get_pod).with(command.pod_name, described_class::NAMESPACE).once.and_return(pod)
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expect(subject.installation_status(command.pod_name)).to eq(phase)
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end
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end
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describe '#installation_log' do
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let(:log) { 'some output' }
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let(:response) { RestClient::Response.new(log) }
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it 'fetches POD phase from kubernetes cluster' do
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expect(client).to receive(:get_pod_log).with(command.pod_name, described_class::NAMESPACE).once.and_return(response)
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expect(subject.installation_log(command.pod_name)).to eq(log)
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end
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end
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describe '#delete_installation_pod!' do
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it 'deletes the POD from kubernetes cluster' do
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expect(client).to receive(:delete_pod).with(command.pod_name, described_class::NAMESPACE).once
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subject.delete_installation_pod!(command.pod_name)
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end
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end
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describe '#helm_init_command' do
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subject { helm.send(:helm_init_command, command) }
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context 'when command.install_helm is true' do
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let(:install_helm) { true }
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it { is_expected.to eq('helm init >/dev/null') }
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end
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context 'when command.install_helm is false' do
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let(:install_helm) { false }
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it { is_expected.to eq('helm init --client-only >/dev/null') }
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end
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end
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describe '#helm_install_command' do
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subject { helm.send(:helm_install_command, command) }
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context 'when command.chart is nil' do
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let(:chart) { nil }
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it { is_expected.to be_nil }
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end
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context 'when command.chart is set' do
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let(:chart) { 'stable/a_chart' }
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it { is_expected.to eq("helm install #{chart} --name #{application_name} --namespace #{namespace.name} >/dev/null")}
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end
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end
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end
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