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# frozen_string_literal: true
require 'fast_spec_helper'
RSpec.describe Prometheus::PidProvider do
describe '.worker_id' do
subject { described_class.worker_id }
before do
allow(Gitlab::Runtime).to receive(:sidekiq?).and_return(false)
end
context 'when running in Sidekiq server mode' do
before do
allow(Gitlab::Runtime).to receive(:sidekiq?).and_return(true)
end
context 'in a clustered setup' do
before do
stub_env('SIDEKIQ_WORKER_ID', '123')
end
it { is_expected.to eq 'sidekiq_123' }
end
context 'in a single process setup' do
it { is_expected.to eq 'sidekiq' }
end
end
context 'when running in Puma mode' do
before do
allow(Gitlab::Runtime).to receive(:puma?).and_return(true)
expect(described_class).to receive(:process_name)
.at_least(:once)
.and_return(process_name)
end
context 'when cluster worker id is specified in process name' do
let(:process_name) { 'puma: cluster worker 1: 17483 [gitlab-puma-worker]' }
it { is_expected.to eq 'puma_1' }
end
context 'when no worker id is specified in process name' do
let(:process_name) { 'bin/puma' }
it { is_expected.to eq 'puma_master' }
end
end
context 'when running in unknown mode' do
it { is_expected.to eq "process_#{Process.pid}" }
end
end
end
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