# Copyright (c) 2008 AG Projects
# Author: Denis Bilenko
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# THE SOFTWARE.

"""Test than modules in eventlib.green package are indeed green.
To do that spawn a green server and then access it using a green socket.
If either operation blocked the whole script would block and timeout.
"""
import unittest
from greentest import test_support
from eventlib.green import urllib2, BaseHTTPServer
from eventlib.api import spawn, kill

port = 18341

def start_http_server():
    server_address = ('', port)
    BaseHTTPServer.BaseHTTPRequestHandler.protocol_version = "HTTP/1.0"
    httpd = BaseHTTPServer.HTTPServer(server_address, BaseHTTPServer.BaseHTTPRequestHandler)
    sa = httpd.socket.getsockname()
    #print "Serving HTTP on", sa[0], "port", sa[1], "..."
    httpd.request_count = 0
    def serve():
        httpd.handle_request()
        httpd.request_count += 1
    return spawn(serve), httpd

class TestGreenness(unittest.TestCase):

    def setUp(self):
        self.gthread, self.server = start_http_server()
        #print 'Spawned the server'

    def tearDown(self):
        self.server.server_close()
        kill(self.gthread)

    def test_urllib2(self):
        self.assertEqual(self.server.request_count, 0)
        try:
            urllib2.urlopen('http://127.0.0.1:%s' % port)
            assert False, 'should not get there'
        except urllib2.HTTPError, ex:
            assert ex.code == 501, `ex`
        self.assertEqual(self.server.request_count, 1)

if __name__ == '__main__':
    test_support.run_unittest(TestGreenness)