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Rack HTTP server for Unix and fast clients
blob 23fa44c40f7cdcc537f6404e7255a542c0f8f689 4832 bytes (raw)
$ git show v0.4.1:test/unit/test_socket_helper.rb	# shows this blob on the CLI

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require 'test/test_helper'
require 'tempfile'

class TestSocketHelper < Test::Unit::TestCase
  include Unicorn::SocketHelper
  attr_reader :logger
  GET_SLASH = "GET / HTTP/1.0\r\n\r\n".freeze

  def setup
    @log_tmp = Tempfile.new 'logger'
    @logger = Logger.new(@log_tmp.path)
    @test_addr = ENV['UNICORN_TEST_ADDR'] || '127.0.0.1'
  end

  def test_bind_listen_tcp
    port = unused_port @test_addr
    @tcp_listener_name = "#@test_addr:#{port}"
    @tcp_listener = bind_listen(@tcp_listener_name)
    assert Socket === @tcp_listener
    assert_equal @tcp_listener_name, sock_name(@tcp_listener)
  end

  def test_bind_listen_options
    port = unused_port @test_addr
    tcp_listener_name = "#@test_addr:#{port}"
    tmp = Tempfile.new 'unix.sock'
    unix_listener_name = tmp.path
    File.unlink(tmp.path)
    [ { :backlog => 5 }, { :sndbuf => 4096 }, { :rcvbuf => 4096 },
      { :backlog => 16, :rcvbuf => 4096, :sndbuf => 4096 }
    ].each do |opts|
      assert_nothing_raised do
        tcp_listener = bind_listen(tcp_listener_name, opts)
        assert Socket === tcp_listener
        tcp_listener.close
        unix_listener = bind_listen(unix_listener_name, opts)
        assert Socket === unix_listener
        unix_listener.close
      end
    end
    #system('cat', @log_tmp.path)
  end

  def test_bind_listen_unix
    tmp = Tempfile.new 'unix.sock'
    @unix_listener_path = tmp.path
    File.unlink(@unix_listener_path)
    @unix_listener = bind_listen(@unix_listener_path)
    assert Socket === @unix_listener
    assert_equal @unix_listener_path, sock_name(@unix_listener)
  end

  def test_bind_listen_unix_idempotent
    test_bind_listen_unix
    a = bind_listen(@unix_listener)
    assert_equal a.fileno, @unix_listener.fileno
    unix_server = server_cast(@unix_listener)
    a = bind_listen(unix_server)
    assert_equal a.fileno, unix_server.fileno
    assert_equal a.fileno, @unix_listener.fileno
  end

  def test_bind_listen_tcp_idempotent
    test_bind_listen_tcp
    a = bind_listen(@tcp_listener)
    assert_equal a.fileno, @tcp_listener.fileno
    tcp_server = server_cast(@tcp_listener)
    a = bind_listen(tcp_server)
    assert_equal a.fileno, tcp_server.fileno
    assert_equal a.fileno, @tcp_listener.fileno
  end

  def test_bind_listen_unix_rebind
    test_bind_listen_unix
    new_listener = bind_listen(@unix_listener_path)
    assert Socket === new_listener
    assert new_listener.fileno != @unix_listener.fileno
    assert_equal sock_name(new_listener), sock_name(@unix_listener)
    assert_equal @unix_listener_path, sock_name(new_listener)
    pid = fork do
      client = server_cast(new_listener).accept
      client.syswrite('abcde')
      exit 0
    end
    s = UNIXSocket.new(@unix_listener_path)
    IO.select([s])
    assert_equal 'abcde', s.sysread(5)
    pid, status = Process.waitpid2(pid)
    assert status.success?
  end

  def test_server_cast
    assert_nothing_raised do
      test_bind_listen_unix
      test_bind_listen_tcp
    end
    @unix_server = server_cast(@unix_listener)
    assert_equal @unix_listener.fileno, @unix_server.fileno
    assert UNIXServer === @unix_server
    assert File.socket?(@unix_server.path)
    assert_equal @unix_listener_path, sock_name(@unix_server)

    @tcp_server = server_cast(@tcp_listener)
    assert_equal @tcp_listener.fileno, @tcp_server.fileno
    assert TCPServer === @tcp_server
    assert_equal @tcp_listener_name, sock_name(@tcp_server)
  end

  def test_sock_name
    test_server_cast
    sock_name(@unix_server)
  end

  def test_tcp_unicorn_peeraddr
    test_bind_listen_tcp
    @tcp_server = server_cast(@tcp_listener)
    tmp = Tempfile.new 'shared'
    pid = fork do
      client = @tcp_server.accept
      IO.select([client])
      assert_equal GET_SLASH, client.sysread(GET_SLASH.size)
      tmp.syswrite "#{client.unicorn_peeraddr}"
      exit 0
    end
    host, port = sock_name(@tcp_server).split(/:/)
    client = TCPSocket.new(host, port.to_i)
    client.syswrite(GET_SLASH)

    pid, status = Process.waitpid2(pid)
    assert_nothing_raised { client.close }
    assert status.success?
    tmp.sysseek 0
    assert_equal @test_addr, tmp.sysread(4096)
    tmp.sysseek 0
  end

  def test_unix_unicorn_peeraddr
    test_bind_listen_unix
    @unix_server = server_cast(@unix_listener)
    tmp = Tempfile.new 'shared'
    pid = fork do
      client = @unix_server.accept
      IO.select([client])
      assert_equal GET_SLASH, client.sysread(4096)
      tmp.syswrite "#{client.unicorn_peeraddr}"
      exit 0
    end
    client = UNIXSocket.new(@unix_listener_path)
    client.syswrite(GET_SLASH)

    pid, status = Process.waitpid2(pid)
    assert_nothing_raised { client.close }
    assert status.success?
    tmp.sysseek 0
    assert_equal '127.0.0.1', tmp.sysread(4096)
    tmp.sysseek 0
  end

end

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