import threading
import unittest
import os
import sys

try:
    import pydevconsole
except:
    sys.path.append(os.path.dirname(os.path.dirname(__file__)))
    import pydevconsole
from pydev_imports import xmlrpclib, SimpleXMLRPCServer
from pydev_localhost import get_localhost

try:
    raw_input
    raw_input_name = 'raw_input'
except NameError:
    raw_input_name = 'input'

#=======================================================================================================================
# Test
#=======================================================================================================================
class Test(unittest.TestCase):


    def startClientThread(self, client_port):
        class ClientThread(threading.Thread):
            def __init__(self, client_port):
                threading.Thread.__init__(self)
                self.client_port = client_port

            def run(self):
                class HandleRequestInput:
                    def RequestInput(self):
                        client_thread.requested_input = True
                        return 'RequestInput: OK'

                    def NotifyFinished(self, *args, **kwargs):
                        client_thread.notified_finished += 1
                        return 1

                handle_request_input = HandleRequestInput()

                import pydev_localhost
                self.client_server = client_server = SimpleXMLRPCServer((pydev_localhost.get_localhost(), self.client_port), logRequests=False)
                client_server.register_function(handle_request_input.RequestInput)
                client_server.register_function(handle_request_input.NotifyFinished)
                client_server.serve_forever()

            def shutdown(self):
                return
                self.client_server.shutdown()

        client_thread = ClientThread(client_port)
        client_thread.requested_input = False
        client_thread.notified_finished = 0
        client_thread.setDaemon(True)
        client_thread.start()
        return client_thread


    def getFreeAddresses(self):
        import socket
        s = socket.socket()
        s.bind(('', 0))
        port0 = s.getsockname()[1]

        s1 = socket.socket()
        s1.bind(('', 0))
        port1 = s1.getsockname()[1]
        s.close()
        s1.close()
        return port0, port1


    def testServer(self):
        # Just making sure that the singleton is created in this thread.
        try:
            from pydev_ipython_console_011 import get_pydev_frontend
        except:
            sys.stderr.write('Skipped test because IPython could not be imported.')
            return
        get_pydev_frontend(get_localhost(), 0)

        client_port, server_port = self.getFreeAddresses()
        class ServerThread(threading.Thread):
            def __init__(self, client_port, server_port):
                threading.Thread.__init__(self)
                self.client_port = client_port
                self.server_port = server_port

            def run(self):
                import pydev_localhost
                print('Starting server with:', pydev_localhost.get_localhost(), self.server_port, self.client_port)
                pydevconsole.StartServer(pydev_localhost.get_localhost(), self.server_port, self.client_port)
        server_thread = ServerThread(client_port, server_port)
        server_thread.setDaemon(True)
        server_thread.start()

        client_thread = self.startClientThread(client_port) #@UnusedVariable

        try:
            import time
            time.sleep(.3) #let's give it some time to start the threads

            import pydev_localhost
            server = xmlrpclib.Server('http://%s:%s' % (pydev_localhost.get_localhost(), server_port))
            server.execLine("import sys; print('Running with: %s %s' % (sys.executable or sys.platform, sys.version))")
            server.execLine('class Foo:')
            server.execLine('    pass')
            server.execLine('')
            server.execLine('foo = Foo()')
            server.execLine('a = %s()' % raw_input_name)
            initial = time.time()
            while not client_thread.requested_input:
                if time.time() - initial > 2:
                    raise AssertionError('Did not get the return asked before the timeout.')
                time.sleep(.1)
            frame_xml = server.getFrame()
            self.assert_('RequestInput' in frame_xml, 'Did not fid RequestInput in:\n%s' % (frame_xml,))
        finally:
            client_thread.shutdown()

#=======================================================================================================================
# main
#=======================================================================================================================
if __name__ == '__main__':
    unittest.main()

