89 lines
2.1 KiB
Ruby
89 lines
2.1 KiB
Ruby
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require 'spec_helper'
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describe Gitlab::SidekiqMiddleware::Shutdown do
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subject { described_class.new }
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let(:pid) { Process.pid }
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let(:worker) { double(:worker, class: 'TestWorker') }
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let(:job) { { 'jid' => 123 } }
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let(:queue) { 'test_queue' }
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let(:block) { proc { nil } }
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def run
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subject.call(worker, job, queue) { block.call }
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described_class.shutdown_thread&.join
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end
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def pop_trace
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subject.trace.pop(true)
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end
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before do
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allow(subject).to receive(:get_rss).and_return(10.kilobytes)
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described_class.clear_shutdown_thread
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end
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context 'when MAX_RSS is set to 0' do
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before do
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stub_const("#{described_class}::MAX_RSS", 0)
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end
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it 'does nothing' do
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expect(subject).not_to receive(:sleep)
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run
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end
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end
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def expect_shutdown_sequence
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expect(pop_trace).to eq([:sleep, 15 * 60])
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expect(pop_trace).to eq([:kill, 'SIGTSTP', pid])
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expect(pop_trace).to eq([:sleep, 30])
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expect(pop_trace).to eq([:kill, 'SIGTERM', pid])
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expect(pop_trace).to eq([:sleep, 10])
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expect(pop_trace).to eq([:kill, 'SIGKILL', pid])
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end
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context 'when MAX_RSS is exceeded' do
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before do
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stub_const("#{described_class}::MAX_RSS", 5.kilobytes)
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end
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it 'sends the TSTP, TERM and KILL signals at expected times' do
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run
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expect_shutdown_sequence
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end
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end
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context 'when MAX_RSS is not exceeded' do
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before do
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stub_const("#{described_class}::MAX_RSS", 15.kilobytes)
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end
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it 'does nothing' do
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expect(subject).not_to receive(:sleep)
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run
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end
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end
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context 'when WantShutdown is raised' do
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let(:block) { proc { raise described_class::WantShutdown } }
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it 'starts the shutdown sequence and re-raises the exception' do
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expect { run }.to raise_exception(described_class::WantShutdown)
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# We can't expect 'run' to have joined on the shutdown thread, because
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# it hit an exception.
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shutdown_thread = described_class.shutdown_thread
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expect(shutdown_thread).not_to be_nil
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shutdown_thread.join
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expect_shutdown_sequence
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end
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end
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end
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