# frozen_string_literal: true require 'spec_helper' describe Clusters::Applications::CreateService do include TestRequestHelpers let(:cluster) { create(:cluster, :project, :provided_by_gcp) } let(:user) { create(:user) } let(:params) { { application: 'helm' } } let(:service) { described_class.new(cluster, user, params) } describe '#execute' do before do allow(ClusterInstallAppWorker).to receive(:perform_async) allow(ClusterUpgradeAppWorker).to receive(:perform_async) end subject { service.execute(test_request) } it 'creates an application' do expect do subject cluster.reload end.to change(cluster, :application_helm) end context 'application already installed' do let!(:application) { create(:clusters_applications_helm, :installed, cluster: cluster) } it 'does not create a new application' do expect do subject end.not_to change(Clusters::Applications::Helm, :count) end it 'schedules an upgrade for the application' do expect(ClusterUpgradeAppWorker).to receive(:perform_async) subject end end context 'known applications' do before do create(:clusters_applications_helm, :installed, cluster: cluster) end context 'cert manager application' do let(:params) do { application: 'cert_manager', email: 'test@example.com' } end before do expect_any_instance_of(Clusters::Applications::CertManager) .to receive(:make_scheduled!) .and_call_original end it 'creates the application' do expect do subject cluster.reload end.to change(cluster, :application_cert_manager) end it 'sets the email' do expect(subject.email).to eq('test@example.com') end end context 'jupyter application' do let(:params) do { application: 'jupyter', hostname: 'example.com' } end before do create(:clusters_applications_ingress, :installed, external_ip: "127.0.0.0", cluster: cluster) expect_any_instance_of(Clusters::Applications::Jupyter) .to receive(:make_scheduled!) .and_call_original end it 'creates the application' do expect do subject cluster.reload end.to change(cluster, :application_jupyter) end it 'sets the hostname' do expect(subject.hostname).to eq('example.com') end it 'sets the oauth_application' do expect(subject.oauth_application).to be_present end end context 'knative application' do let(:params) do { application: 'knative', hostname: 'example.com' } end before do expect_any_instance_of(Clusters::Applications::Knative) .to receive(:make_scheduled!) .and_call_original end it 'creates the application' do expect do subject cluster.reload end.to change(cluster, :application_knative) end it 'sets the hostname' do expect(subject.hostname).to eq('example.com') end end end context 'invalid application' do let(:params) { { application: 'non-existent' } } it 'raises an error' do expect { subject }.to raise_error(Clusters::Applications::CreateService::InvalidApplicationError) end end context 'group cluster' do let(:cluster) { create(:cluster, :provided_by_gcp, :group) } using RSpec::Parameterized::TableSyntax where(:application, :association, :allowed, :pre_create_helm) do 'helm' | :application_helm | true | false 'ingress' | :application_ingress | true | true 'runner' | :application_runner | true | true 'prometheus' | :application_prometheus | true | true 'jupyter' | :application_jupyter | false | true end with_them do before do klass = "Clusters::Applications::#{application.titleize}" allow_any_instance_of(klass.constantize).to receive(:make_scheduled!).and_call_original create(:clusters_applications_helm, :installed, cluster: cluster) if pre_create_helm end let(:params) { { application: application } } it 'executes for each application' do if allowed expect do subject cluster.reload end.to change(cluster, association) else expect { subject }.to raise_error(Clusters::Applications::CreateService::InvalidApplicationError) end end end end context 'when application is installable' do shared_examples 'installable applications' do it 'makes the application scheduled' do expect do subject end.to change { Clusters::Applications::Helm.with_status(:scheduled).count }.by(1) end it 'schedules an install via worker' do expect(ClusterInstallAppWorker) .to receive(:perform_async) .with(*worker_arguments) .once subject end end context 'when application is associated with a cluster' do let(:application) { create(:clusters_applications_helm, :installable, cluster: cluster) } let(:worker_arguments) { [application.name, application.id] } it_behaves_like 'installable applications' end context 'when application is not associated with a cluster' do let(:worker_arguments) { [params[:application], kind_of(Numeric)] } it_behaves_like 'installable applications' end end context 'when installation is already in progress' do let!(:application) { create(:clusters_applications_helm, :installing, cluster: cluster) } it 'raises an exception' do expect { subject } .to raise_exception(StateMachines::InvalidTransition) .and not_change(application.class.with_status(:scheduled), :count) end it 'does not schedule a cluster worker' do expect(ClusterInstallAppWorker).not_to receive(:perform_async) end end context 'when application is installed' do %i(installed updated).each do |status| let(:application) { create(:clusters_applications_helm, status, cluster: cluster) } it 'schedules an upgrade via worker' do expect(ClusterUpgradeAppWorker) .to receive(:perform_async) .with(application.name, application.id) .once subject expect(application.reload).to be_scheduled end end end end end