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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Prometheus::CreateDefaultAlertsWorker do
let_it_be(:project) { create(:project) }
let(:worker) { described_class.new }
let(:logger) { worker.send(:logger) }
let(:service) { instance_double(Prometheus::CreateDefaultAlertsService) }
let(:service_result) { ServiceResponse.success }
subject { described_class.new.perform(project.id) }
before do
allow(Prometheus::CreateDefaultAlertsService)
.to receive(:new).with(project: project)
.and_return(service)
allow(service).to receive(:execute)
.and_return(service_result)
end
it_behaves_like 'an idempotent worker' do
let(:job_args) { [project.id] }
it 'calls the service' do
expect(service).to receive(:execute)
subject
end
context 'project is nil' do
let(:job_args) { [nil] }
it 'does not call the service' do
expect(service).not_to receive(:execute)
subject
end
end
context 'when service returns an error' do
let(:error_message) { 'some message' }
let(:service_result) { ServiceResponse.error(message: error_message) }
it 'succeeds and logs the error' do
expect(logger)
.to receive(:info)
.with(a_hash_including('message' => error_message))
.exactly(worker_exec_times).times
subject
end
end
end
context 'when service raises an exception' do
let(:error_message) { 'some exception' }
let(:exception) { StandardError.new(error_message) }
it 're-raises exception' do
allow(service).to receive(:execute).and_raise(exception)
expect { subject }.to raise_error(exception)
end
end
end
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