115 lines
3.0 KiB
Ruby
115 lines
3.0 KiB
Ruby
require 'fileutils'
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require 'excon'
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require 'spec_helper'
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describe 'Unicorn' do
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before(:all) do
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config_lines = File.read('config/unicorn.rb.example').split("\n")
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# Remove these because they make setup harder.
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config_lines = config_lines.reject do |line|
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%w[
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working_directory
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worker_processes
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listen
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pid
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stderr_path
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stdout_path
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].any? { |prefix| line.start_with?(prefix) }
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end
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config_lines << "working_directory '#{Rails.root}'"
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# We want to have exactly 1 worker process because that makes it
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# predictable which process will handle our requests.
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config_lines << 'worker_processes 1'
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@socket_path = File.join(Dir.pwd, 'tmp/tests/unicorn.socket')
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config_lines << "listen '#{@socket_path}'"
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ready_file = 'tmp/tests/unicorn-worker-ready'
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FileUtils.rm_f(ready_file)
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after_fork_index = config_lines.index { |l| l.start_with?('after_fork') }
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config_lines.insert(after_fork_index + 1, "File.write('#{ready_file}', Process.pid)")
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config_path = 'tmp/tests/unicorn.rb'
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File.write(config_path, config_lines.join("\n") + "\n")
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rackup_path = 'tmp/tests/config.ru'
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File.write(rackup_path, <<~EOS)
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app =
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proc do |env|
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if env['REQUEST_METHOD'] == 'GET'
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[200, {}, [Process.pid]]
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else
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Process.kill(env['QUERY_STRING'], Process.pid)
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[200, {}, ['Bye!']]
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end
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end
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run app
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EOS
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cmd = %W[unicorn -E test -c #{config_path} #{rackup_path}]
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@unicorn_master_pid = spawn(*cmd)
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wait_unicorn_boot!(@unicorn_master_pid, ready_file)
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WebMock.allow_net_connect!
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end
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%w[SIGQUIT SIGTERM SIGKILL].each do |signal|
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it "has a worker that self-terminates on signal #{signal}" do
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response = Excon.get('unix://', socket: @socket_path)
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expect(response.status).to eq(200)
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worker_pid = response.body.to_i
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expect(worker_pid).to be > 0
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begin
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Excon.post("unix://?#{signal}", socket: @socket_path)
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rescue Excon::Error::Socket
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# The connection may be closed abruptly
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end
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expect(pid_gone?(worker_pid)).to eq(true)
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end
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end
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after(:all) do
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WebMock.disable_net_connect!(allow_localhost: true)
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Process.kill('TERM', @unicorn_master_pid)
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end
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def wait_unicorn_boot!(master_pid, ready_file)
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# We have seen the boot timeout after 2 minutes in CI so let's set it to 5 minutes.
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timeout = 5 * 60
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timeout.times do
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return if File.exist?(ready_file)
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pid = Process.waitpid(master_pid, Process::WNOHANG)
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raise "unicorn failed to boot: #{$?}" unless pid.nil?
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sleep 1
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end
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raise "unicorn boot timed out after #{timeout} seconds"
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end
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def pid_gone?(pid)
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# Worker termination should take less than a second. That makes 10
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# seconds a generous timeout.
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10.times do
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begin
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Process.kill(0, pid)
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rescue Errno::ESRCH
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return true
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end
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sleep 1
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end
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false
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end
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end
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