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# frozen_string_literal: true
RSpec.shared_examples 'helm command generator' do
describe '#generate_script' do
let(:helm_setup) do
<<~EOS
set -xeo pipefail
EOS
end
it 'returns appropriate command' do
expect(subject.generate_script.strip).to eq((helm_setup + commands).strip)
end
end
end
RSpec.shared_examples 'helm command' do
describe 'HELM_VERSION' do
subject { command.class::HELM_VERSION }
it { is_expected.to match(/\d+\.\d+\.\d+/) }
end
describe '#env' do
subject { command.env }
it { is_expected.to be_a Hash }
end
describe '#rbac?' do
subject { command.rbac? }
context 'rbac is enabled' do
let(:rbac) { true }
it { is_expected.to be_truthy }
end
context 'rbac is not enabled' do
let(:rbac) { false }
it { is_expected.to be_falsey }
end
end
describe '#pod_resource' do
subject { command.pod_resource }
context 'rbac is enabled' do
let(:rbac) { true }
it { is_expected.to be_an_instance_of ::Kubeclient::Resource }
it 'generates a pod that uses the tiller serviceAccountName' do
expect(subject.spec.serviceAccountName).to eq('tiller')
end
end
context 'rbac is not enabled' do
let(:rbac) { false }
it { is_expected.to be_an_instance_of ::Kubeclient::Resource }
it 'generates a pod that uses the default serviceAccountName' do
expect(subject.spec.serviceAcccountName).to be_nil
end
end
end
describe '#config_map_resource' do
subject { command.config_map_resource }
let(:metadata) do
{
name: "values-content-configuration-#{command.name}",
namespace: 'gitlab-managed-apps',
labels: { name: "values-content-configuration-#{command.name}" }
}
end
let(:resource) { ::Kubeclient::Resource.new(metadata: metadata, data: command.files) }
it 'returns a KubeClient resource with config map content for the application' do
is_expected.to eq(resource)
end
end
describe '#service_account_resource' do
let(:resource) do
Kubeclient::Resource.new(metadata: { name: 'tiller', namespace: 'gitlab-managed-apps' })
end
subject { command.service_account_resource }
context 'rbac is enabled' do
let(:rbac) { true }
it 'generates a Kubeclient resource for the tiller ServiceAccount' do
is_expected.to eq(resource)
end
end
context 'rbac is not enabled' do
let(:rbac) { false }
it 'generates nothing' do
is_expected.to be_nil
end
end
end
describe '#cluster_role_binding_resource' do
let(:resource) do
Kubeclient::Resource.new(
metadata: { name: 'tiller-admin' },
roleRef: { apiGroup: 'rbac.authorization.k8s.io', kind: 'ClusterRole', name: 'cluster-admin' },
subjects: [{ kind: 'ServiceAccount', name: 'tiller', namespace: 'gitlab-managed-apps' }]
)
end
subject(:cluster_role_binding_resource) { command.cluster_role_binding_resource }
context 'rbac is enabled' do
let(:rbac) { true }
it 'generates a Kubeclient resource for the ClusterRoleBinding for tiller' do
is_expected.to eq(resource)
end
it 'binds the account in #service_account_resource' do
expect(cluster_role_binding_resource.subjects.first.name).to eq(command.service_account_resource.metadata.name)
end
end
context 'rbac is not enabled' do
let(:rbac) { false }
it 'generates nothing' do
is_expected.to be_nil
end
end
end
end
|
