71 lines
2 KiB
Ruby
71 lines
2 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require 'spec_helper'
|
|
|
|
describe Gitlab::SidekiqSignals do
|
|
describe '.install' do
|
|
let(:result) { Hash.new { |h, k| h[k] = 0 } }
|
|
let(:int_handler) { -> (_) { result['INT'] += 1 } }
|
|
let(:term_handler) { -> (_) { result['TERM'] += 1 } }
|
|
let(:other_handler) { -> (_) { result['OTHER'] += 1 } }
|
|
let(:signals) { { 'INT' => int_handler, 'TERM' => term_handler, 'OTHER' => other_handler } }
|
|
|
|
context 'not a process group leader' do
|
|
before do
|
|
allow(Process).to receive(:getpgrp) { Process.pid * 2 }
|
|
end
|
|
|
|
it 'does nothing' do
|
|
expect { described_class.install!(signals) }
|
|
.not_to change { signals }
|
|
end
|
|
end
|
|
|
|
context 'as a process group leader' do
|
|
before do
|
|
allow(Process).to receive(:getpgrp) { Process.pid }
|
|
end
|
|
|
|
it 'installs its own signal handlers for TERM and INT only' do
|
|
described_class.install!(signals)
|
|
|
|
expect(signals['INT']).not_to eq(int_handler)
|
|
expect(signals['TERM']).not_to eq(term_handler)
|
|
expect(signals['OTHER']).to eq(other_handler)
|
|
end
|
|
|
|
%w[INT TERM].each do |signal|
|
|
it "installs a forwarding signal handler for #{signal}" do
|
|
described_class.install!(signals)
|
|
|
|
expect(described_class)
|
|
.to receive(:trap)
|
|
.with(signal, 'IGNORE')
|
|
.and_return(:original_trap)
|
|
.ordered
|
|
|
|
expect(Process)
|
|
.to receive(:kill)
|
|
.with(signal, 0)
|
|
.ordered
|
|
|
|
expect(described_class)
|
|
.to receive(:trap)
|
|
.with(signal, :original_trap)
|
|
.ordered
|
|
|
|
signals[signal].call(:cli)
|
|
|
|
expect(result[signal]).to eq(1)
|
|
end
|
|
|
|
it "raises if sidekiq no longer traps SIG#{signal}" do
|
|
signals.delete(signal)
|
|
|
|
expect { described_class.install!(signals) }
|
|
.to raise_error(/Sidekiq should have registered/)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|