2019-11-20 16:06:38 -05:00
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# frozen_string_literal: true
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require 'spec_helper'
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require 'sidekiq/testing'
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describe Gitlab::SidekiqMiddleware do
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class TestWorker
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include Sidekiq::Worker
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def perform(_arg)
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end
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end
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around do |example|
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Sidekiq::Testing.inline! { example.run }
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end
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let(:worker_class) { TestWorker }
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let(:job_args) { [0.01] }
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# The test sets up a new server middleware stack, ensuring that the
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# appropriate middlewares, as passed into server_configurator,
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# are invoked.
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# Additionally the test ensure that each middleware is
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# 1) not failing
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# 2) yielding exactly once
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describe '.server_configurator' do
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2019-12-15 22:07:29 -05:00
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around do |example|
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original = Sidekiq::Testing.server_middleware.dup
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example.run
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Sidekiq::Testing.instance_variable_set :@server_chain, original
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end
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2019-11-20 16:06:38 -05:00
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let(:middleware_expected_args) { [a_kind_of(worker_class), hash_including({ 'args' => job_args }), anything] }
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let(:all_sidekiq_middlewares) do
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[
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Gitlab::SidekiqMiddleware::Monitor,
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Gitlab::SidekiqMiddleware::BatchLoader,
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2020-01-03 10:08:33 -05:00
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Labkit::Middleware::Sidekiq::Server,
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2019-11-20 16:06:38 -05:00
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Gitlab::SidekiqMiddleware::InstrumentationLogger,
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Gitlab::SidekiqStatus::ServerMiddleware,
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2020-01-16 13:08:46 -05:00
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Gitlab::SidekiqMiddleware::ServerMetrics,
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2019-11-20 16:06:38 -05:00
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Gitlab::SidekiqMiddleware::ArgumentsLogger,
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Gitlab::SidekiqMiddleware::MemoryKiller,
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2020-01-24 07:09:01 -05:00
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Gitlab::SidekiqMiddleware::RequestStoreMiddleware,
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2020-02-04 13:08:50 -05:00
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Gitlab::SidekiqMiddleware::WorkerContext::Server
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2019-11-20 16:06:38 -05:00
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]
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end
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let(:enabled_sidekiq_middlewares) { all_sidekiq_middlewares - disabled_sidekiq_middlewares }
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before do
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Sidekiq::Testing.server_middleware.clear
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Sidekiq::Testing.server_middleware(&described_class.server_configurator(
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metrics: metrics,
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arguments_logger: arguments_logger,
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memory_killer: memory_killer,
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request_store: request_store
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))
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enabled_sidekiq_middlewares.each do |middleware|
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expect_any_instance_of(middleware).to receive(:call).with(*middleware_expected_args).once.and_call_original
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end
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disabled_sidekiq_middlewares.each do |middleware|
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expect_any_instance_of(Gitlab::SidekiqMiddleware::ArgumentsLogger).not_to receive(:call)
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end
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end
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context "all optional middlewares off" do
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let(:metrics) { false }
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let(:arguments_logger) { false }
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let(:memory_killer) { false }
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let(:request_store) { false }
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let(:disabled_sidekiq_middlewares) do
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[
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2020-01-16 13:08:46 -05:00
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Gitlab::SidekiqMiddleware::ServerMetrics,
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2019-11-20 16:06:38 -05:00
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Gitlab::SidekiqMiddleware::ArgumentsLogger,
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Gitlab::SidekiqMiddleware::MemoryKiller,
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Gitlab::SidekiqMiddleware::RequestStoreMiddleware
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]
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end
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it "passes through server middlewares" do
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worker_class.perform_async(*job_args)
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end
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end
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context "all optional middlewares on" do
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let(:metrics) { true }
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let(:arguments_logger) { true }
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let(:memory_killer) { true }
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let(:request_store) { true }
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let(:disabled_sidekiq_middlewares) { [] }
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it "passes through server middlewares" do
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worker_class.perform_async(*job_args)
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end
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end
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end
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# The test sets up a new client middleware stack. The test ensures
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# that each middleware is:
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# 1) not failing
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# 2) yielding exactly once
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describe '.client_configurator' do
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let(:chain) { Sidekiq::Middleware::Chain.new }
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let(:job) { { 'args' => job_args } }
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let(:queue) { 'default' }
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let(:redis_pool) { Sidekiq.redis_pool }
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let(:middleware_expected_args) { [worker_class_arg, job, queue, redis_pool] }
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2020-01-31 04:08:53 -05:00
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let(:expected_middlewares) do
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[
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Gitlab::SidekiqStatus::ClientMiddleware,
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Gitlab::SidekiqMiddleware::ClientMetrics,
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Gitlab::SidekiqMiddleware::WorkerContext::Client,
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2020-02-04 13:08:50 -05:00
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Labkit::Middleware::Sidekiq::Client
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2020-01-31 04:08:53 -05:00
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]
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end
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2019-11-20 16:06:38 -05:00
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before do
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described_class.client_configurator.call(chain)
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end
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shared_examples "a client middleware chain" do
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# Its possible that a middleware could accidentally omit a yield call
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# this will prevent the full middleware chain from being executed.
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# This test ensures that this does not happen
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it "invokes the chain" do
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2020-01-31 04:08:53 -05:00
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expected_middlewares do |middleware|
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expect_any_instance_of(middleware).to receive(:call).with(*middleware_expected_args).once.ordered.and_call_original
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end
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2019-11-20 16:06:38 -05:00
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expect { |b| chain.invoke(worker_class_arg, job, queue, redis_pool, &b) }.to yield_control.once
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end
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end
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# Sidekiq documentation states that the worker class could be a string
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# or a class reference. We should test for both
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context "handles string worker_class values" do
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let(:worker_class_arg) { worker_class.to_s }
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it_behaves_like "a client middleware chain"
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end
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context "handles string worker_class values" do
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let(:worker_class_arg) { worker_class }
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it_behaves_like "a client middleware chain"
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end
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end
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end
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