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import asyncio
import unittest
from unittest import mock
from aiohttp import CIMultiDict
from aiohttp.web import (
MsgType, Request, WebSocketResponse, HTTPMethodNotAllowed, HTTPBadRequest)
from aiohttp.protocol import RawRequestMessage, HttpVersion11
from aiohttp import errors, websocket
class TestWebWebSocket(unittest.TestCase):
def setUp(self):
self.loop = asyncio.new_event_loop()
asyncio.set_event_loop(None)
def tearDown(self):
self.loop.close()
def make_request(self, method, path, headers=None):
self.app = mock.Mock()
if headers is None:
headers = CIMultiDict(
{'HOST': 'server.example.com',
'UPGRADE': 'websocket',
'CONNECTION': 'Upgrade',
'SEC-WEBSOCKET-KEY': 'dGhlIHNhbXBsZSBub25jZQ==',
'ORIGIN': 'http://example.com',
'SEC-WEBSOCKET-PROTOCOL': 'chat, superchat',
'SEC-WEBSOCKET-VERSION': '13'})
message = RawRequestMessage(method, path, HttpVersion11, headers,
False, False)
self.payload = mock.Mock()
self.transport = mock.Mock()
self.reader = mock.Mock()
self.writer = mock.Mock()
self.app.loop = self.loop
req = Request(self.app, message, self.payload,
self.transport, self.reader, self.writer)
return req
def test_nonstarted_ping(self):
ws = WebSocketResponse()
with self.assertRaises(RuntimeError):
ws.ping()
def test_nonstarted_pong(self):
ws = WebSocketResponse()
with self.assertRaises(RuntimeError):
ws.pong()
def test_nonstarted_send_str(self):
ws = WebSocketResponse()
with self.assertRaises(RuntimeError):
ws.send_str('string')
def test_nonstarted_send_bytes(self):
ws = WebSocketResponse()
with self.assertRaises(RuntimeError):
ws.send_bytes(b'bytes')
def test_nonstarted_close(self):
ws = WebSocketResponse()
with self.assertRaises(RuntimeError):
self.loop.run_until_complete(ws.close())
def test_nonstarted_receive_str(self):
@asyncio.coroutine
def go():
ws = WebSocketResponse()
with self.assertRaises(RuntimeError):
yield from ws.receive_str()
self.loop.run_until_complete(go())
def test_nonstarted_receive_bytes(self):
@asyncio.coroutine
def go():
ws = WebSocketResponse()
with self.assertRaises(RuntimeError):
yield from ws.receive_bytes()
self.loop.run_until_complete(go())
def test_receive_str_nonstring(self):
@asyncio.coroutine
def go():
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
@asyncio.coroutine
def receive():
return websocket.Message(websocket.MSG_BINARY, b'data', b'')
ws.receive = receive
with self.assertRaises(TypeError):
yield from ws.receive_str()
self.loop.run_until_complete(go())
def test_receive_bytes_nonsbytes(self):
@asyncio.coroutine
def go():
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
@asyncio.coroutine
def receive():
return websocket.Message(websocket.MSG_TEXT, 'data', b'')
ws.receive = receive
with self.assertRaises(TypeError):
yield from ws.receive_bytes()
self.loop.run_until_complete(go())
def test_send_str_nonstring(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
with self.assertRaises(TypeError):
ws.send_str(b'bytes')
def test_send_bytes_nonbytes(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
with self.assertRaises(TypeError):
ws.send_bytes('string')
def test_write(self):
ws = WebSocketResponse()
with self.assertRaises(RuntimeError):
ws.write(b'data')
def test_can_start_ok(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse(protocols=('chat',))
self.assertEqual((True, 'chat'), ws.can_start(req))
def test_can_start_unknown_protocol(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
self.assertEqual((True, None), ws.can_start(req))
def test_can_start_invalid_method(self):
req = self.make_request('POST', '/')
ws = WebSocketResponse()
self.assertEqual((False, None), ws.can_start(req))
def test_can_start_without_upgrade(self):
req = self.make_request('GET', '/',
headers=CIMultiDict({}))
ws = WebSocketResponse()
self.assertEqual((False, None), ws.can_start(req))
def test_can_start_started(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
with self.assertRaisesRegex(RuntimeError, 'Already started'):
ws.can_start(req)
def test_closed_after_ctor(self):
ws = WebSocketResponse()
self.assertFalse(ws.closed)
self.assertIsNone(ws.close_code)
def test_send_str_closed(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
self.loop.run_until_complete(ws.close())
with self.assertRaises(RuntimeError):
ws.send_str('string')
def test_send_bytes_closed(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
self.loop.run_until_complete(ws.close())
with self.assertRaises(RuntimeError):
ws.send_bytes(b'bytes')
def test_ping_closed(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
self.loop.run_until_complete(ws.close())
with self.assertRaises(RuntimeError):
ws.ping()
def test_pong_closed(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
self.loop.run_until_complete(ws.close())
with self.assertRaises(RuntimeError):
ws.pong()
def test_close_idempotent(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
writer = mock.Mock()
ws._writer = writer
self.assertTrue(
self.loop.run_until_complete(ws.close(code=1, message='message1')))
self.assertTrue(ws.closed)
self.assertFalse(
self.loop.run_until_complete(ws.close(code=2, message='message2')))
def test_start_invalid_method(self):
req = self.make_request('POST', '/')
ws = WebSocketResponse()
with self.assertRaises(HTTPMethodNotAllowed):
ws.start(req)
def test_start_without_upgrade(self):
req = self.make_request('GET', '/',
headers=CIMultiDict({}))
ws = WebSocketResponse()
with self.assertRaises(HTTPBadRequest):
ws.start(req)
def test_wait_closed_before_start(self):
@asyncio.coroutine
def go():
ws = WebSocketResponse()
with self.assertRaises(RuntimeError):
yield from ws.close()
self.loop.run_until_complete(go())
def test_write_eof_not_started(self):
@asyncio.coroutine
def go():
ws = WebSocketResponse()
with self.assertRaises(RuntimeError):
yield from ws.write_eof()
self.loop.run_until_complete(go())
def test_write_eof_idempotent(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
self.loop.run_until_complete(ws.close())
@asyncio.coroutine
def go():
yield from ws.write_eof()
yield from ws.write_eof()
yield from ws.write_eof()
self.loop.run_until_complete(go())
def test_receive_exc_in_reader(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
exc = ValueError()
res = asyncio.Future(loop=self.loop)
res.set_exception(exc)
ws._reader.read.return_value = res
@asyncio.coroutine
def go():
msg = yield from ws.receive()
self.assertTrue(msg.tp, MsgType.error)
self.assertIs(msg.data, exc)
self.assertIs(ws.exception(), exc)
self.loop.run_until_complete(go())
def test_receive_cancelled(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
res = asyncio.Future(loop=self.loop)
res.set_exception(asyncio.CancelledError())
ws._reader.read.return_value = res
self.assertRaises(
asyncio.CancelledError,
self.loop.run_until_complete, ws.receive())
def test_receive_timeouterror(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
res = asyncio.Future(loop=self.loop)
res.set_exception(asyncio.TimeoutError())
ws._reader.read.return_value = res
self.assertRaises(
asyncio.TimeoutError,
self.loop.run_until_complete, ws.receive())
def test_receive_client_disconnected(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
exc = errors.ClientDisconnectedError()
res = asyncio.Future(loop=self.loop)
res.set_exception(exc)
ws._reader.read.return_value = res
@asyncio.coroutine
def go():
msg = yield from ws.receive()
self.assertTrue(ws.closed)
self.assertTrue(msg.tp, MsgType.close)
self.assertIs(msg.data, None)
self.assertIs(ws.exception(), None)
self.loop.run_until_complete(go())
def test_multiple_receive_on_close_connection(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
self.loop.run_until_complete(ws.close())
self.loop.run_until_complete(ws.receive())
self.loop.run_until_complete(ws.receive())
self.loop.run_until_complete(ws.receive())
self.loop.run_until_complete(ws.receive())
self.assertRaises(
RuntimeError, self.loop.run_until_complete, ws.receive())
def test_concurrent_receive(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
ws._waiting = True
self.assertRaises(
RuntimeError, self.loop.run_until_complete, ws.receive())
def test_close_exc(self):
req = self.make_request('GET', '/')
reader = self.reader.set_parser.return_value = mock.Mock()
ws = WebSocketResponse()
ws.start(req)
exc = ValueError()
reader.read.return_value = asyncio.Future(loop=self.loop)
reader.read.return_value.set_exception(exc)
self.loop.run_until_complete(ws.close())
self.assertTrue(ws.closed)
self.assertIs(ws.exception(), exc)
ws._closed = False
reader.read.return_value = asyncio.Future(loop=self.loop)
reader.read.return_value.set_exception(asyncio.CancelledError())
self.assertRaises(asyncio.CancelledError,
self.loop.run_until_complete, ws.close())
self.assertEqual(ws.close_code, 1006)
def test_close_exc2(self):
req = self.make_request('GET', '/')
ws = WebSocketResponse()
ws.start(req)
exc = ValueError()
self.writer.close.side_effect = exc
ws._writer = self.writer
self.loop.run_until_complete(ws.close())
self.assertTrue(ws.closed)
self.assertIs(ws.exception(), exc)
ws._closed = False
self.writer.close.side_effect = asyncio.CancelledError()
self.assertRaises(asyncio.CancelledError,
self.loop.run_until_complete, ws.close())
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