gajim-plural/test/integration/test_xmpp_transports_nb.py

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'''
Integration test for tranports classes. See unit for the ordinary
unit tests of this module.
'''
import unittest
import socket
import lib
lib.setup_env()
from xmpp_mocks import IdleQueueThread, IdleMock
from common.xmpp import transports_nb
class AbstractTransportTest(unittest.TestCase):
''' Encapsulates Idlequeue instantiation for transports and more...'''
def setUp(self):
''' IdleQueue thread is run and dummy connection is created. '''
self.idlequeue_thread = IdleQueueThread()
self.idlequeue_thread.start()
self._setup_hook()
def tearDown(self):
''' IdleQueue thread is stopped. '''
self._teardown_hook()
self.idlequeue_thread.stop_thread()
self.idlequeue_thread.join()
def _setup_hook(self):
pass
def _teardown_hook(self):
pass
def expect_receive(self, expected, count=1, msg=None):
'''
Returns a callback function that will assert whether the data passed to
it equals the one specified when calling this function.
Can be used to make sure transport dispatch correct data.
'''
def receive(data, *args, **kwargs):
self.assertEqual(data, expected, msg=msg)
self._expected_count -= 1
self._expected_count = count
return receive
def have_received_expected(self):
'''
Plays together with expect_receive(). Will return true if expected_rcv
callback was called as often as specified
'''
return self._expected_count == 0
class TestNonBlockingTCP(AbstractTransportTest):
'''
Test class for NonBlockingTCP. Will actually try to connect to an existing
XMPP server.
'''
class MockClient(IdleMock):
''' Simple client to test transport functionality '''
def __init__(self, idlequeue, testcase):
self.idlequeue = idlequeue
self.testcase = testcase
IdleMock.__init__(self)
def do_connect(self, establish_tls=False, proxy_dict=None):
try:
ips = socket.getaddrinfo('gajim.org', 5222,
socket.AF_UNSPEC,socket.SOCK_STREAM)
ip = ips[0]
except socket.error, e:
self.testcase.fail(msg=str(e))
self.socket = transports_nb.NonBlockingTCP(
raise_event=lambda event_type, data: self.testcase.assertTrue(
event_type and data),
on_disconnect=lambda: self.on_success(mode='SocketDisconnect'),
idlequeue=self.idlequeue,
estabilish_tls=establish_tls,
certs=('../data/other/cacerts.pem', 'tmp/cacerts.pem'),
proxy_dict=proxy_dict)
self.socket.PlugIn(self)
self.socket.connect(conn_5tuple=ip,
on_connect=lambda: self.on_success(mode='TCPconnect'),
on_connect_failure=self.on_failure)
self.testcase.assertTrue(self.wait(), msg='Connection timed out')
def do_disconnect(self):
self.socket.disconnect()
self.testcase.assertTrue(self.wait(), msg='Disconnect timed out')
def on_failure(self, err_message):
self.set_event()
self.testcase.fail(msg=err_message)
def on_success(self, mode, data=None):
if mode == "TCPconnect":
pass
if mode == "SocketDisconnect":
pass
self.set_event()
def _setup_hook(self):
self.client = self.MockClient(idlequeue=self.idlequeue_thread.iq,
testcase=self)
def _teardown_hook(self):
if self.client.socket.state == 'CONNECTED':
self.client.do_disconnect()
def test_connect_disconnect_plain(self):
''' Establish plain connection '''
self.client.do_connect(establish_tls=False)
self.assertEquals(self.client.socket.state, 'CONNECTED')
self.client.do_disconnect()
self.assertEquals(self.client.socket.state, 'DISCONNECTED')
# def test_connect_disconnect_ssl(self):
# ''' Establish SSL (not TLS) connection '''
# self.client.do_connect(establish_tls=True)
# self.assertEquals(self.client.socket.state, 'CONNECTED')
# self.client.do_disconnect()
# self.assertEquals(self.client.socket.state, 'DISCONNECTED')
def test_do_receive(self):
''' Test _do_receive method by overwriting socket.recv '''
self.client.do_connect()
sock = self.client.socket
# transport shall receive data
data = "Please don't fail"
sock._recv = lambda buffer: data
sock.onreceive(self.expect_receive(data))
sock._do_receive()
self.assertTrue(self.have_received_expected(), msg='Did not receive data')
self.assert_(self.client.socket.state == 'CONNECTED')
# transport shall do nothing as an non-fatal SSL is simulated
sock._recv = lambda buffer: None
sock.onreceive(self.assertFalse) # we did not receive anything...
sock._do_receive()
self.assert_(self.client.socket.state == 'CONNECTED')
# transport shall disconnect as remote side closed the connection
sock._recv = lambda buffer: ''
sock.onreceive(self.assertFalse) # we did not receive anything...
sock._do_receive()
self.assert_(self.client.socket.state == 'DISCONNECTED')
def test_do_send(self):
''' Test _do_send method by overwriting socket.send '''
self.client.do_connect()
sock = self.client.socket
outgoing = [] # what we have actually send to our socket.socket
data_part1 = "Please don't "
data_part2 = "fail!"
data_complete = data_part1 + data_part2
# Simulate everything could be send in one go
def _send_all(data):
outgoing.append(data)
return len(data)
sock._send = _send_all
sock.send(data_part1)
sock.send(data_part2)
sock._do_send()
sock._do_send()
self.assertTrue(self.client.socket.state == 'CONNECTED')
self.assertTrue(data_part1 in outgoing and data_part2 in outgoing)
self.assertFalse(sock.sendqueue and sock.sendbuff,
msg='There is still unsend data in buffers')
# Simulate data could only be sent in chunks
self.chunk_count = 0
outgoing = []
def _send_chunks(data):
if self.chunk_count == 0:
outgoing.append(data_part1)
self.chunk_count += 1
return len(data_part1)
else:
outgoing.append(data_part2)
return len(data_part2)
sock._send = _send_chunks
sock.send(data_complete)
sock._do_send() # process first chunk
sock._do_send() # process the second one
self.assertTrue(self.client.socket.state == 'CONNECTED')
self.assertTrue(data_part1 in outgoing and data_part2 in outgoing)
self.assertFalse(sock.sendqueue and sock.sendbuff,
msg='There is still unsend data in buffers')
class TestNonBlockingHTTP(AbstractTransportTest):
''' Test class for NonBlockingHTTP transport'''
bosh_http_dict = {
'http_uri': 'http://gajim.org:5280/http-bind',
'http_version': 'HTTP/1.1',
'http_persistent': True,
'add_proxy_headers': False
}
def _get_transport(self, http_dict, proxy_dict=None):
return transports_nb.NonBlockingHTTP(
raise_event=None,
on_disconnect=None,
idlequeue=self.idlequeue_thread.iq,
estabilish_tls=False,
certs=None,
on_http_request_possible=lambda: None,
on_persistent_fallback=None,
http_dict=http_dict,
proxy_dict=proxy_dict,
)
def test_parse_own_http_message(self):
''' Build a HTTP message and try to parse it afterwards '''
transport = self._get_transport(self.bosh_http_dict)
data = "<test>Please don't fail!</test>"
http_message = transport.build_http_message(data)
statusline, headers, http_body, buffer_rest = transport.parse_http_message(
http_message)
self.assertFalse(bool(buffer_rest))
self.assertTrue(statusline and isinstance(statusline, list))
self.assertTrue(headers and isinstance(headers, dict))
self.assertEqual(data, http_body, msg='Input and output are different')
def test_receive_http_message(self):
''' Let _on_receive handle some http messages '''
transport = self._get_transport(self.bosh_http_dict)
header = ("HTTP/1.1 200 OK\r\nContent-Type: text/xml; charset=utf-8\r\n" +
"Content-Length: 88\r\n\r\n")
payload = "<test>Please don't fail!</test>"
body = "<body xmlns='http://jabber.org/protocol/httpbind'>%s</body>" \
% payload
message = "%s%s" % (header, body)
# try to receive in one go
transport.onreceive(self.expect_receive(body, msg='Failed: In one go'))
transport._on_receive(message)
self.assertTrue(self.have_received_expected(), msg='Failed: In one go')
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def test_receive_http_message_in_chunks(self):
''' Let _on_receive handle some chunked http messages '''
transport = self._get_transport(self.bosh_http_dict)
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payload = "<test>Please don't fail!\n\n</test>"
body = "<body xmlns='http://jabber.org/protocol/httpbind'>%s</body>" \
% payload
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header = "HTTP/1.1 200 OK\r\nContent-Type: text/xml; charset=utf-8\r\n" +\
"Content-Length: %i\r\n\r\n" % len(body)
message = "%s%s" % (header, body)
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chunk1, chunk2, chunk3, chunk4 = message[:20], message[20:73], \
message[73:85], message[85:]
nextmessage_chunk = "\r\n\r\nHTTP/1.1 200 OK\r\nContent-Type: text/x"
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chunks = (chunk1, chunk2, chunk3, chunk4, nextmessage_chunk)
transport.onreceive(self.expect_receive(body, msg='Failed: In chunks'))
for chunk in chunks:
transport._on_receive(chunk)
self.assertTrue(self.have_received_expected(), msg='Failed: In chunks')
if __name__ == '__main__':
unittest.main()
# vim: se ts=3: