debian-mirror-gitlab/spec/workers/concerns/reenqueuer_spec.rb

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2020-03-09 13:42:32 +05:30
# frozen_string_literal: true
require 'spec_helper'
describe Reenqueuer do
include ExclusiveLeaseHelpers
let_it_be(:worker_class) do
Class.new do
def self.name
'Gitlab::Foo::Bar::DummyWorker'
end
include ApplicationWorker
prepend Reenqueuer
attr_reader :performed_args
def perform(*args)
@performed_args = args
success? # for stubbing
end
def success?
false
end
def lease_timeout
30.seconds
end
end
end
subject(:job) { worker_class.new }
before do
allow(job).to receive(:sleep) # faster tests
end
it_behaves_like 'reenqueuer'
it_behaves_like 'it is rate limited to 1 call per', 5.seconds do
let(:rate_limited_method) { subject.perform }
end
it 'disables Sidekiq retries' do
expect(job.sidekiq_options_hash).to include('retry' => false)
end
describe '#perform', :clean_gitlab_redis_shared_state do
let(:arbitrary_args) { [:foo, 'bar', { a: 1 }] }
context 'when the lease is available' do
it 'does perform' do
job.perform(*arbitrary_args)
expect(job.performed_args).to eq(arbitrary_args)
end
end
context 'when the lease is taken' do
before do
stub_exclusive_lease_taken(job.lease_key)
end
it 'does not perform' do
job.perform(*arbitrary_args)
expect(job.performed_args).to be_nil
end
end
context 'when #perform returns truthy' do
before do
allow(job).to receive(:success?).and_return(true)
end
it 'reenqueues the worker' do
expect(worker_class).to receive(:perform_async)
job.perform
end
end
context 'when #perform returns falsey' do
it 'does not reenqueue the worker' do
expect(worker_class).not_to receive(:perform_async)
job.perform
end
end
end
end
describe Reenqueuer::ReenqueuerSleeper do
let_it_be(:dummy_class) do
Class.new do
include Reenqueuer::ReenqueuerSleeper
def rate_limited_method
ensure_minimum_duration(11.seconds) do
# do work
end
end
end
end
subject(:dummy) { dummy_class.new }
# Test that rate_limited_method is rate limited by ensure_minimum_duration
it_behaves_like 'it is rate limited to 1 call per', 11.seconds do
let(:rate_limited_method) { dummy.rate_limited_method }
end
# Test ensure_minimum_duration more directly
describe '#ensure_minimum_duration' do
around do |example|
# Allow Timecop.travel without the block form
Timecop.safe_mode = false
Timecop.freeze do
example.run
end
Timecop.safe_mode = true
end
let(:minimum_duration) { 4.seconds }
context 'when the block completes well before the minimum duration' do
let(:time_left) { 3.seconds }
it 'sleeps until the minimum duration' do
expect(dummy).to receive(:sleep).with(a_value_within(0.01).of(time_left))
dummy.ensure_minimum_duration(minimum_duration) do
Timecop.travel(minimum_duration - time_left)
end
end
end
context 'when the block completes just before the minimum duration' do
let(:time_left) { 0.1.seconds }
it 'sleeps until the minimum duration' do
expect(dummy).to receive(:sleep).with(a_value_within(0.01).of(time_left))
dummy.ensure_minimum_duration(minimum_duration) do
Timecop.travel(minimum_duration - time_left)
end
end
end
context 'when the block completes just after the minimum duration' do
let(:time_over) { 0.1.seconds }
it 'does not sleep' do
expect(dummy).not_to receive(:sleep)
dummy.ensure_minimum_duration(minimum_duration) do
Timecop.travel(minimum_duration + time_over)
end
end
end
context 'when the block completes well after the minimum duration' do
let(:time_over) { 10.seconds }
it 'does not sleep' do
expect(dummy).not_to receive(:sleep)
dummy.ensure_minimum_duration(minimum_duration) do
Timecop.travel(minimum_duration + time_over)
end
end
end
end
end