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| | root_dir = File.join(File.dirname(__FILE__), "../..")
require File.join(root_dir, "test/test_helper")
include Mongrel
class FakeHandler
@@concurrent_threads = 0
@@threads = 0
def self.max_concurrent_threads
@@threads ||= 0
end
def initialize
super
@@mutex = Mutex.new
end
def call(env)
@@mutex.synchronize do
@@concurrent_threads += 1 # !!! same for += and -=
@@threads = [@@concurrent_threads, @@threads].max
end
sleep(0.1)
[200, {'Content-Type' => 'text/plain'}, ['hello!']]
ensure
@@mutex.synchronize { @@concurrent_threads -= 1 }
end
end
class ThreadingTest < Test::Unit::TestCase
def setup
@valid_request = "GET / HTTP/1.1\r\nHost: www.google.com\r\nContent-Type: text/plain\r\n\r\n"
@port = process_based_port
@app = Rack::URLMap.new('/test' => FakeHandler.new)
@threads = 4
redirect_test_io { @server = HttpServer.new(@app, :Host => "127.0.0.1", :Port => @port, :Max_concurrent_threads => @threads) }
redirect_test_io { @server.start }
end
def teardown
redirect_test_io { @server.stop(true) }
end
def test_server_respects_max_concurrent_threads_option
threads = []
(@threads * 3).times do
threads << Thread.new do
send_data_over_socket("GET /test HTTP/1.1\r\nHost: localhost\r\nContent-Type: text/plain\r\n\r\n")
end
end
while threads.any? { |thread| thread.alive? }
sleep(0)
end
assert_equal @threads, FakeHandler.max_concurrent_threads
end
private
def send_data_over_socket(string)
socket = TCPSocket.new("127.0.0.1", @port)
request = StringIO.new(string)
while data = request.read(8)
socket.write(data)
socket.flush
sleep(0)
end
sleep(0)
socket.write(" ") # Some platforms only raise the exception on attempted write
socket.flush
end
end
|