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|
# frozen_string_literal: true
require 'spec_helper'
require 'rspec-parameterized'
RSpec.describe Gitlab::SidekiqConfig::WorkerRouter do
describe '.queue_name_from_worker_name' do
using RSpec::Parameterized::TableSyntax
def create_worker(name, namespace = nil)
Class.new.tap do |worker|
worker.define_singleton_method(:name) { name }
worker.define_singleton_method(:queue_namespace) { namespace }
end
end
where(:worker, :expected_name) do
create_worker('PagesWorker') | 'pages'
create_worker('PipelineNotificationWorker') | 'pipeline_notification'
create_worker('PostReceive') | 'post_receive'
create_worker('PostReceive', :git) | 'git:post_receive'
create_worker('PipelineHooksWorker', :pipeline_hooks) | 'pipeline_hooks:pipeline_hooks'
create_worker('Gitlab::JiraImport::AdvanceStageWorker') | 'jira_import_advance_stage'
create_worker('Gitlab::PhabricatorImport::ImportTasksWorker', :importer) | 'importer:phabricator_import_import_tasks'
end
with_them do
it 'generates a valid queue name from worker name' do
expect(described_class.queue_name_from_worker_name(worker)).to eql(expected_name)
end
end
end
shared_context 'router examples setup' do
using RSpec::Parameterized::TableSyntax
let(:worker) do
Class.new do
def self.name
'Gitlab::Foo::BarWorker'
end
include ApplicationWorker
feature_category :feature_a
urgency :low
worker_resource_boundary :cpu
tags :expensive
end
end
where(:routing_rules, :expected_queue) do
# Default, no configuration
[] | 'foo_bar'
# Does not match, fallback to the named queue
[
['feature_category=feature_b|urgency=high', 'queue_a'],
['resource_boundary=memory', 'queue_b'],
['tags=cheap', 'queue_c']
] | 'foo_bar'
# Match a nil queue, fallback to named queue
[
['feature_category=feature_b|urgency=high', 'queue_a'],
['resource_boundary=cpu', nil],
['tags=cheap', 'queue_c']
] | 'foo_bar'
# Match an empty string, fallback to named queue
[
['feature_category=feature_b|urgency=high', 'queue_a'],
['resource_boundary=cpu', ''],
['tags=cheap', 'queue_c']
] | 'foo_bar'
# Match the first rule
[
['feature_category=feature_a|urgency=high', 'queue_a'],
['resource_boundary=cpu', 'queue_b'],
['tags=cheap', 'queue_c']
] | 'queue_a'
# Match the first rule 2
[
['feature_category=feature_b|urgency=low', 'queue_a'],
['resource_boundary=cpu', 'queue_b'],
['tags=cheap', 'queue_c']
] | 'queue_a'
# Match the third rule
[
['feature_category=feature_b|urgency=high', 'queue_a'],
['resource_boundary=memory', 'queue_b'],
['tags=expensive', 'queue_c']
] | 'queue_c'
# Match all, first match wins
[
['feature_category=feature_a|urgency=low', 'queue_a'],
['resource_boundary=cpu', 'queue_b'],
['tags=expensive', 'queue_c']
] | 'queue_a'
# Match the same rule multiple times, the first match wins
[
['feature_category=feature_a', 'queue_a'],
['feature_category=feature_a', 'queue_b'],
['feature_category=feature_a', 'queue_c']
] | 'queue_a'
# Match wildcard
[
['feature_category=feature_b|urgency=high', 'queue_a'],
['resource_boundary=memory', 'queue_b'],
['tags=cheap', 'queue_c'],
['*', 'default']
] | 'default'
# Match wildcard at the top of the chain. It makes the following rules useless
[
['*', 'queue_foo'],
['feature_category=feature_a|urgency=low', 'queue_a'],
['resource_boundary=cpu', 'queue_b'],
['tags=expensive', 'queue_c']
] | 'queue_foo'
# Match by generated queue name
[
['name=foo_bar', 'queue_foo'],
['feature_category=feature_a|urgency=low', 'queue_a'],
['resource_boundary=cpu', 'queue_b'],
['tags=expensive', 'queue_c']
] | 'queue_foo'
end
end
describe '.global' do
before do
described_class.remove_instance_variable(:@global_worker_router) if described_class.instance_variable_defined?(:@global_worker_router)
end
after do
described_class.remove_instance_variable(:@global_worker_router)
end
context 'valid routing rules' do
include_context 'router examples setup'
with_them do
before do
stub_config(sidekiq: { routing_rules: routing_rules })
end
it 'routes the worker to the correct queue' do
expect(described_class.global.route(worker)).to eql(expected_queue)
end
end
end
context 'invalid routing rules' do
let(:worker) do
Class.new do
def self.name
'Gitlab::Foo::BarWorker'
end
include ApplicationWorker
end
end
before do
stub_config(sidekiq: { routing_rules: routing_rules })
end
context 'invalid routing rules format' do
let(:routing_rules) { ['feature_category=a'] }
it 'captures the error and falls back to an empty route' do
expect(Gitlab::ErrorTracking).to receive(:track_and_raise_for_dev_exception).with(be_a(described_class::InvalidRoutingRuleError))
expect(described_class.global.route(worker)).to eql('foo_bar')
end
end
context 'invalid predicate' do
let(:routing_rules) { [['invalid_term=a', 'queue_a']] }
it 'captures the error and falls back to an empty route' do
expect(Gitlab::ErrorTracking).to receive(:track_and_raise_for_dev_exception).with(
be_a(Gitlab::SidekiqConfig::WorkerMatcher::UnknownPredicate)
)
expect(described_class.global.route(worker)).to eql('foo_bar')
end
end
end
end
describe '#route' do
context 'valid routing rules' do
include_context 'router examples setup'
with_them do
it 'routes the worker to the correct queue' do
router = described_class.new(routing_rules)
expect(router.route(worker)).to eql(expected_queue)
end
end
end
context 'invalid routing rules' do
it 'raises an exception' do
expect { described_class.new(nil) }.to raise_error(described_class::InvalidRoutingRuleError)
expect { described_class.new(['feature_category=a']) }.to raise_error(described_class::InvalidRoutingRuleError)
expect { described_class.new([['feature_category=a', 'queue_a', 'queue_b']]) }.to raise_error(described_class::InvalidRoutingRuleError)
expect do
described_class.new(
[
['feature_category=a', 'queue_b'],
['feature_category=b']
]
)
end.to raise_error(described_class::InvalidRoutingRuleError)
expect { described_class.new([['invalid_term=a', 'queue_a']]) }.to raise_error(Gitlab::SidekiqConfig::WorkerMatcher::UnknownPredicate)
end
end
end
end
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