def test_transport(self):
url = base_url + '/000/' + str(uuid.uuid4())
r = POST_async(url + '/xhr_streaming')
self.assertEqual(r.status, 200)
self.assertEqual(r['Content-Type'],
'application/javascript; charset=UTF-8')
self.verify_cookie(r)
self.verify_cors(r)
# The transport must first send 2KiB of `h` bytes as prelude.
self.assertEqual(r.read(), 'h' * 2048 + '\n')
self.assertEqual(r.read(), 'o\n')
r1 = POST(url + '/xhr_send', body='["x"]')
self.assertFalse(r1.body)
self.assertEqual(r1.status, 204)
self.assertEqual(r.read(), 'a["x"]\n')
r.close()
def test_simpleSession(self):
trans_url = base_url + '/000/' + str(uuid.uuid4())
r = POST(trans_url + '/xhr')
"New line is a frame delimiter specific for xhr-polling"
self.assertEqual(r.body, 'o\n')
self.assertEqual(r.status, 200)
# After a session was established the server needs to accept
# requests for sending messages.
"Xhr-polling accepts messages as a list of JSON-encoded strings."
payload = '["a"]'
r = POST(trans_url + '/xhr_send', body=payload)
self.assertFalse(r.body)
self.assertEqual(r.status, 204)
'''We're using an echo service - we'll receive our message
back. The message is encoded as an array 'a'.'''
r = POST(trans_url + '/xhr')
self.assertEqual(r.body, 'a["a"]\n')
self.assertEqual(r.status, 200)
# Sending messages to not existing sessions is invalid.
payload = '["a"]'
r = POST(base_url + '/000/bad_session/xhr_send', body=payload)
self.verify404(r, cookie=True)
# The session must time out after 5 seconds of not having a
# receiving connection. The server must send a heartbeat frame
# every 25 seconds. The heartbeat frame contains a single `h`
# character. This delays may be configurable.
pass
# The server must not allow two receiving connections to wait
# on a single session. In such case the server must send a
# close frame to the new connection.
r1 = POST_async(trans_url + '/xhr', load=False)
r2 = POST(trans_url + '/xhr')
r1.close()
self.assertEqual(r2.body, 'c[2010,"Another connection still open"]\n')
self.assertEqual(r2.status, 200)
def test_basic(self):
t0 = time.time()
r = POST_async(base_url + '/chunking_test')
self.assertEqual(r.status, 200)
self.assertEqual(r['content-type'],
'application/javascript; charset=UTF-8')
self.verify_no_cookie(r)
self.verify_cors(r)
# In first chunk the server must send a 'h' frame:
self.assertEqual(r.read(), 'h\n')
# As second chunk the server must send 2KiB prelude.
self.assertEqual(r.read(), ' ' * 2048 + 'h\n')
# Later the server must send a `h` byte.
self.assertEqual(r.read(), 'h\n')
# In third chunk the server must send a `h` byte.
self.assertEqual(r.read(), 'h\n')
# At least 30 ms must have passed since the request.
t1 = time.time()
self.assertGreater((t1-t0) * 1000., 30.)
r.close()