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test_client.py
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test_client.py
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# -*- coding: utf-8 -*-
from base64 import b64encode
from hashlib import sha1
import socket
import time
import unittest
from mock import MagicMock, patch
from ws4py import WS_KEY
from ws4py.exc import HandshakeError
from ws4py.framing import Frame, OPCODE_TEXT, OPCODE_CLOSE
from ws4py.client import WebSocketBaseClient
from ws4py.client.threadedclient import WebSocketClient
class BasicClientTest(unittest.TestCase):
def test_invalid_hostname_in_url(self):
self.assertRaises(ValueError, WebSocketBaseClient, url="qsdfqsd65qsd354")
def test_invalid_scheme_in_url(self):
self.assertRaises(ValueError, WebSocketBaseClient, url="ftp://localhost")
def test_invalid_hostname_in_url(self):
self.assertRaises(ValueError, WebSocketBaseClient, url="ftp://?/")
def test_parse_unix_schemes(self):
c = WebSocketBaseClient(url="ws+unix:///my.socket")
self.assertEqual(c.scheme, "ws+unix")
self.assertEqual(c.host, "localhost")
self.assertIsNone(c.port)
self.assertEqual(c.unix_socket_path, "/my.socket")
self.assertEqual(c.resource, "/")
self.assertEqual(c.bind_addr, "/my.socket")
c = WebSocketBaseClient(url="wss+unix:///my.socket")
self.assertEqual(c.scheme, "wss+unix")
self.assertEqual(c.host, "localhost")
self.assertIsNone(c.port)
self.assertEqual(c.unix_socket_path, "/my.socket")
self.assertEqual(c.resource, "/")
self.assertEqual(c.bind_addr, "/my.socket")
def test_parse_ws_scheme(self):
c = WebSocketBaseClient(url="ws://127.0.0.1/")
self.assertEqual(c.scheme, "ws")
self.assertEqual(c.host, "127.0.0.1")
self.assertEqual(c.port, 80)
self.assertEqual(c.resource, "/")
self.assertEqual(c.bind_addr, ("127.0.0.1", 80))
def test_parse_ws_scheme_when_missing_resource(self):
c = WebSocketBaseClient(url="ws://127.0.0.1")
self.assertEqual(c.scheme, "ws")
self.assertEqual(c.host, "127.0.0.1")
self.assertEqual(c.port, 80)
self.assertEqual(c.resource, "/")
self.assertEqual(c.bind_addr, ("127.0.0.1", 80))
def test_parse_ws_scheme_with_port(self):
c = WebSocketBaseClient(url="ws://127.0.0.1:9090")
self.assertEqual(c.scheme, "ws")
self.assertEqual(c.host, "127.0.0.1")
self.assertEqual(c.port, 9090)
self.assertEqual(c.resource, "/")
self.assertEqual(c.bind_addr, ("127.0.0.1", 9090))
def test_parse_ws_scheme_with_query_string(self):
c = WebSocketBaseClient(url="ws://127.0.0.1/?token=value")
self.assertEqual(c.scheme, "ws")
self.assertEqual(c.host, "127.0.0.1")
self.assertEqual(c.port, 80)
self.assertEqual(c.resource, "/?token=value")
self.assertEqual(c.bind_addr, ("127.0.0.1", 80))
def test_parse_wss_scheme(self):
c = WebSocketBaseClient(url="wss://127.0.0.1/")
self.assertEqual(c.scheme, "wss")
self.assertEqual(c.host, "127.0.0.1")
self.assertEqual(c.port, 443)
self.assertEqual(c.resource, "/")
self.assertEqual(c.bind_addr, ("127.0.0.1", 443))
def test_parse_wss_scheme_when_missing_resource(self):
c = WebSocketBaseClient(url="wss://127.0.0.1")
self.assertEqual(c.scheme, "wss")
self.assertEqual(c.host, "127.0.0.1")
self.assertEqual(c.port, 443)
self.assertEqual(c.resource, "/")
self.assertEqual(c.bind_addr, ("127.0.0.1", 443))
def test_parse_wss_scheme_with_port(self):
c = WebSocketBaseClient(url="wss://127.0.0.1:9090")
self.assertEqual(c.scheme, "wss")
self.assertEqual(c.host, "127.0.0.1")
self.assertEqual(c.port, 9090)
self.assertEqual(c.resource, "/")
self.assertEqual(c.bind_addr, ("127.0.0.1", 9090))
def test_parse_wss_scheme_with_query_string(self):
c = WebSocketBaseClient(url="wss://127.0.0.1/?token=value")
self.assertEqual(c.scheme, "wss")
self.assertEqual(c.host, "127.0.0.1")
self.assertEqual(c.port, 443)
self.assertEqual(c.resource, "/?token=value")
self.assertEqual(c.bind_addr, ("127.0.0.1", 443))
@patch('ws4py.client.socket')
def test_connect_and_close(self, sock):
s = MagicMock()
sock.socket.return_value = s
sock.getaddrinfo.return_value = [(socket.AF_INET, socket.SOCK_STREAM, 0, "",
("127.0.0.1", 80, 0, 0))]
c = WebSocketBaseClient(url="ws://127.0.0.1/?token=value")
s.recv.return_value = b"\r\n".join([
b"HTTP/1.1 101 Switching Protocols",
b"Connection: Upgrade",
b"Sec-Websocket-Version: 13",
b"Content-Type: text/plain;charset=utf-8",
b"Sec-Websocket-Accept: " + b64encode(sha1(c.key + WS_KEY).digest()),
b"Upgrade: websocket",
b"Date: Sun, 26 Jul 2015 12:32:55 GMT",
b"Server: ws4py/test",
b"\r\n"
])
c.connect()
s.connect.assert_called_once_with(("127.0.0.1", 80))
s.reset_mock()
c.close(code=1006, reason="boom")
args = s.sendall.call_args_list[0]
f = Frame()
f.parser.send(args[0][0])
f.parser.close()
self.assertIn(b'boom', f.unmask(f.body))
@patch('ws4py.client.socket')
def test_empty_response(self, sock):
s = MagicMock()
sock.socket.return_value = s
sock.getaddrinfo.return_value = [(socket.AF_INET, socket.SOCK_STREAM, 0, "",
("127.0.0.1", 80, 0, 0))]
c = WebSocketBaseClient(url="ws://127.0.0.1/?token=value")
s.recv.return_value = b""
self.assertRaises(HandshakeError, c.connect)
s.shutdown.assert_called_once_with(socket.SHUT_RDWR)
s.close.assert_called_once_with()
@patch('ws4py.client.socket')
def test_invalid_response_code(self, sock):
s = MagicMock()
sock.socket.return_value = s
sock.getaddrinfo.return_value = [(socket.AF_INET, socket.SOCK_STREAM, 0, "",
("127.0.0.1", 80, 0, 0))]
c = WebSocketBaseClient(url="ws://127.0.0.1/?token=value")
s.recv.return_value = b"\r\n".join([
b"HTTP/1.1 200 Switching Protocols",
b"Connection: Upgrade",
b"Sec-Websocket-Version: 13",
b"Content-Type: text/plain;charset=utf-8",
b"Sec-Websocket-Accept: " + b64encode(sha1(c.key + WS_KEY).digest()),
b"Upgrade: websocket",
b"Date: Sun, 26 Jul 2015 12:32:55 GMT",
b"Server: ws4py/test",
b"\r\n"
])
self.assertRaises(HandshakeError, c.connect)
s.shutdown.assert_called_once_with(socket.SHUT_RDWR)
s.close.assert_called_once_with()
@patch('ws4py.client.socket')
def test_invalid_response_headers(self, sock):
for key_header, invalid_value in ((b'upgrade', b'boom'),
(b'connection', b'bim')):
s = MagicMock()
sock.socket.return_value = s
sock.getaddrinfo.return_value = [(socket.AF_INET, socket.SOCK_STREAM, 0, "",
("127.0.0.1", 80, 0, 0))]
c = WebSocketBaseClient(url="ws://127.0.0.1/?token=value")
status_line = b"HTTP/1.1 101 Switching Protocols"
headers = {
b"connection": b"Upgrade",
b"Sec-Websocket-Version": b"13",
b"Content-Type": b"text/plain;charset=utf-8",
b"Sec-Websocket-Accept": b64encode(sha1(c.key + WS_KEY).digest()),
b"upgrade": b"websocket",
b"Date": b"Sun, 26 Jul 2015 12:32:55 GMT",
b"Server": b"ws4py/test"
}
headers[key_header] = invalid_value
request = [status_line] + [k + b" : " + v for (k, v) in headers.items()] + [b'\r\n']
s.recv.return_value = b"\r\n".join(request)
self.assertRaises(HandshakeError, c.connect)
s.shutdown.assert_called_once_with(socket.SHUT_RDWR)
s.close.assert_called_once_with()
sock.reset_mock()
class ThreadedClientTest(unittest.TestCase):
@patch('ws4py.client.socket')
def setUp(self, sock):
self.sock = MagicMock(spec=socket.socket)
sock.socket.return_value = self.sock
sock.getaddrinfo.return_value = [(socket.AF_INET, socket.SOCK_STREAM, 0, "",
("127.0.0.1", 80, 0, 0))]
self.client = WebSocketClient(url="ws://127.0.0.1/")
def _exchange1(self, *args, **kwargs):
yield b"\r\n".join([
b"HTTP/1.1 101 Switching Protocols",
b"Connection: Upgrade",
b"Sec-Websocket-Version: 13",
b"Content-Type: text/plain;charset=utf-8",
b"Sec-Websocket-Accept: " + b64encode(sha1(self.client.key + WS_KEY).digest()),
b"Upgrade: websocket",
b"Date: Sun, 26 Jul 2015 12:32:55 GMT",
b"Server: ws4py/test",
b"\r\n"
])
for i in range(100):
time.sleep(0.1)
yield Frame(opcode=OPCODE_TEXT, body=b'hello',
fin=1).build()
def _exchange2(self, *args, **kwargs):
yield Frame(opcode=OPCODE_CLOSE, body=b'',
fin=1).build()
def test_thread_is_started_once_connected(self):
self.sock.recv.side_effect = self._exchange1()
self.assertFalse(self.client._th.is_alive())
self.client.connect()
time.sleep(0.5)
self.assertTrue(self.client._th.is_alive())
self.sock.recv.side_effect = self._exchange2()
time.sleep(0.5)
self.assertFalse(self.client._th.is_alive())
def test_thread_is_started_once_connected_secure(self):
""" Same as the above test, but with SSL socket """
# pretend the socket is an SSL socket
self.sock.pending = lambda: False
self.client._is_secure = True
self.sock.recv.side_effect = self._exchange1()
self.assertFalse(self.client._th.is_alive())
self.client.connect()
time.sleep(0.5)
self.assertTrue(self.client._th.is_alive())
self.sock.recv.side_effect = self._exchange2()
time.sleep(0.5)
self.assertFalse(self.client._th.is_alive())
if __name__ == '__main__':
suite = unittest.TestSuite()
loader = unittest.TestLoader()
for testcase in [BasicClientTest,
ThreadedClientTest]:
tests = loader.loadTestsFromTestCase(testcase)
suite.addTests(tests)
unittest.TextTestRunner(verbosity=2).run(suite)