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|
# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Metrics::BackgroundTransaction do
let(:transaction) { described_class.new }
describe '#run' do
let(:prometheus_metric) { instance_double(Prometheus::Client::Metric, base_labels: {}) }
before do
allow(described_class).to receive(:prometheus_metric).and_return(prometheus_metric)
end
it 'yields the supplied block' do
expect { |b| transaction.run(&b) }.to yield_control
end
it 'stores the transaction in the current thread' do
transaction.run do
expect(Thread.current[described_class::THREAD_KEY]).to eq(transaction)
end
end
it 'removes the transaction from the current thread upon completion' do
transaction.run { }
expect(Thread.current[described_class::THREAD_KEY]).to be_nil
end
end
describe '#labels' do
context 'when the worker queue is accessible' do
before do
test_worker_class = Class.new do
def self.queue
'test_worker'
end
end
stub_const('TestWorker', test_worker_class)
end
it 'provides labels with endpoint_id, feature_category and queue' do
Gitlab::ApplicationContext.with_raw_context(feature_category: 'projects', caller_id: 'TestWorker') do
expect(transaction.labels).to eq({ endpoint_id: 'TestWorker', feature_category: 'projects', queue: 'test_worker' })
end
end
end
context 'when the worker name does not exist' do
it 'provides labels with endpoint_id and feature_category' do
# 123TestWorker is an invalid constant
Gitlab::ApplicationContext.with_raw_context(feature_category: 'projects', caller_id: '123TestWorker') do
expect(transaction.labels).to eq({ endpoint_id: '123TestWorker', feature_category: 'projects', queue: nil })
end
end
end
context 'when the worker queue is not accessible' do
before do
stub_const('TestWorker', Class.new)
end
it 'provides labels with endpoint_id and feature_category' do
Gitlab::ApplicationContext.with_raw_context(feature_category: 'projects', caller_id: 'TestWorker') do
expect(transaction.labels).to eq({ endpoint_id: 'TestWorker', feature_category: 'projects', queue: nil })
end
end
end
end
it_behaves_like 'transaction metrics with labels' do
let(:transaction_obj) { described_class.new }
let(:labels) { { endpoint_id: 'TestWorker', feature_category: 'projects', queue: 'test_worker' } }
before do
test_worker_class = Class.new do
def self.queue
'test_worker'
end
end
stub_const('TestWorker', test_worker_class)
end
around do |example|
Gitlab::ApplicationContext.with_raw_context(feature_category: 'projects', caller_id: 'TestWorker') do
example.run
end
end
end
end
|
