debian-mirror-gitlab/spec/services/clusters/applications/uninstall_service_spec.rb

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2019-07-31 22:56:46 +05:30
# frozen_string_literal: true
require 'spec_helper'
describe Clusters::Applications::UninstallService, '#execute' do
let(:application) { create(:clusters_applications_prometheus, :scheduled) }
let(:service) { described_class.new(application) }
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let(:helm_client) { instance_double(Gitlab::Kubernetes::Helm::API) }
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let(:worker_class) { Clusters::Applications::WaitForUninstallAppWorker }
before do
allow(service).to receive(:helm_api).and_return(helm_client)
end
context 'when there are no errors' do
before do
expect(helm_client).to receive(:uninstall).with(kind_of(Gitlab::Kubernetes::Helm::DeleteCommand))
allow(worker_class).to receive(:perform_in).and_return(nil)
end
it 'make the application to be uninstalling' do
expect(application.cluster).not_to be_nil
service.execute
expect(application).to be_uninstalling
end
it 'schedule async installation status check' do
expect(worker_class).to receive(:perform_in).once
service.execute
end
end
context 'when k8s cluster communication fails' do
let(:error) { Kubeclient::HttpError.new(500, 'system failure', nil) }
before do
expect(helm_client).to receive(:uninstall).with(kind_of(Gitlab::Kubernetes::Helm::DeleteCommand)).and_raise(error)
end
include_examples 'logs kubernetes errors' do
let(:error_name) { 'Kubeclient::HttpError' }
let(:error_message) { 'system failure' }
let(:error_code) { 500 }
end
it 'make the application errored' do
service.execute
expect(application).to be_uninstall_errored
expect(application.status_reason).to match('Kubernetes error: 500')
end
end
context 'a non kubernetes error happens' do
let(:application) { create(:clusters_applications_prometheus, :scheduled) }
let(:error) { StandardError.new('something bad happened') }
before do
expect(helm_client).to receive(:uninstall).with(kind_of(Gitlab::Kubernetes::Helm::DeleteCommand)).and_raise(error)
end
include_examples 'logs kubernetes errors' do
let(:error_name) { 'StandardError' }
let(:error_message) { 'something bad happened' }
let(:error_code) { nil }
end
it 'make the application errored' do
service.execute
expect(application).to be_uninstall_errored
expect(application.status_reason).to eq('Failed to uninstall.')
end
end
end