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# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::SidekiqMiddleware::Metrics do
describe '#call' do
let(:middleware) { described_class.new }
let(:worker) { double(:worker) }
let(:completion_seconds_metric) { double('completion seconds metric') }
let(:failed_total_metric) { double('failed total metric') }
let(:retried_total_metric) { double('retried total metric') }
let(:running_jobs_metric) { double('running jobs metric') }
before do
allow(Gitlab::Metrics).to receive(:histogram).with(:sidekiq_jobs_completion_seconds, anything).and_return(completion_seconds_metric)
allow(Gitlab::Metrics).to receive(:counter).with(:sidekiq_jobs_failed_total, anything).and_return(failed_total_metric)
allow(Gitlab::Metrics).to receive(:counter).with(:sidekiq_jobs_retried_total, anything).and_return(retried_total_metric)
allow(Gitlab::Metrics).to receive(:gauge).with(:sidekiq_running_jobs, anything, {}, :livesum).and_return(running_jobs_metric)
allow(running_jobs_metric).to receive(:increment)
end
it 'yields block' do
allow(completion_seconds_metric).to receive(:observe)
expect { |b| middleware.call(worker, {}, :test, &b) }.to yield_control.once
end
it 'sets metrics' do
labels = { queue: :test }
expect(running_jobs_metric).to receive(:increment).with(labels, 1)
expect(running_jobs_metric).to receive(:increment).with(labels, -1)
expect(completion_seconds_metric).to receive(:observe).with(labels, kind_of(Numeric))
middleware.call(worker, {}, :test) { nil }
end
context 'when job is retried' do
it 'sets sidekiq_jobs_retried_total metric' do
allow(completion_seconds_metric).to receive(:observe)
expect(retried_total_metric).to receive(:increment)
middleware.call(worker, { 'retry_count' => 1 }, :test) { nil }
end
end
context 'when error is raised' do
it 'sets sidekiq_jobs_failed_total and reraises' do
expect(failed_total_metric).to receive(:increment)
expect { middleware.call(worker, {}, :test) { raise } }.to raise_error
end
end
end
end
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