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import sys
import time
import unittest
import six
if six.PY3:
from unittest import mock
else:
import mock
from engineio import exceptions
from engineio import packet
from engineio import payload
if sys.version_info >= (3, 5):
import asyncio
from asyncio import coroutine
from engineio import asyncio_socket
else:
# mock coroutine so that Python 2 doesn't complain
def coroutine(f):
return f
def AsyncMock(*args, **kwargs):
"""Return a mock asynchronous function."""
m = mock.MagicMock(*args, **kwargs)
@coroutine
def mock_coro(*args, **kwargs):
return m(*args, **kwargs)
mock_coro.mock = m
return mock_coro
def _run(coro):
"""Run the given coroutine."""
return asyncio.get_event_loop().run_until_complete(coro)
@unittest.skipIf(sys.version_info < (3, 5), 'only for Python 3.5+')
class TestSocket(unittest.TestCase):
def _get_read_mock_coro(self, payload):
mock_input = mock.MagicMock()
mock_input.read = AsyncMock()
mock_input.read.mock.return_value = payload
return mock_input
def _get_mock_server(self):
mock_server = mock.Mock()
mock_server.ping_timeout = 0.2
mock_server.ping_interval = 0.2
mock_server.async_handlers = False
mock_server._async = {'asyncio': True,
'create_route': mock.MagicMock(),
'translate_request': mock.MagicMock(),
'make_response': mock.MagicMock(),
'websocket': 'w',
'websocket_class': 'wc'}
mock_server._async['translate_request'].return_value = 'request'
mock_server._async['make_response'].return_value = 'response'
mock_server._trigger_event = AsyncMock()
return mock_server
def test_create(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
self.assertEqual(s.server, mock_server)
self.assertEqual(s.sid, 'sid')
self.assertFalse(s.upgraded)
self.assertFalse(s.closed)
self.assertTrue(hasattr(s.queue, 'get'))
self.assertTrue(hasattr(s.queue, 'put'))
self.assertTrue(hasattr(s.queue, 'task_done'))
self.assertTrue(hasattr(s.queue, 'join'))
def test_empty_poll(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
self.assertRaises(exceptions.QueueEmpty, _run, s.poll())
def test_poll(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
pkt1 = packet.Packet(packet.MESSAGE, data='hello')
pkt2 = packet.Packet(packet.MESSAGE, data='bye')
_run(s.send(pkt1))
_run(s.send(pkt2))
self.assertEqual(_run(s.poll()), [pkt1, pkt2])
def test_poll_none(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
_run(s.queue.put(None))
self.assertEqual(_run(s.poll()), [])
def test_ping_pong(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
_run(s.receive(packet.Packet(packet.PING, data='abc')))
r = _run(s.poll())
self.assertEqual(len(r), 1)
self.assertTrue(r[0].encode(), b'3abc')
def test_message_sync_handler(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
_run(s.receive(packet.Packet(packet.MESSAGE, data='foo')))
mock_server._trigger_event.mock.assert_called_once_with(
'message', 'sid', 'foo', run_async=False)
def test_message_async_handler(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
mock_server.async_handlers = True
_run(s.receive(packet.Packet(packet.MESSAGE, data='foo')))
mock_server._trigger_event.mock.assert_called_once_with(
'message', 'sid', 'foo', run_async=True)
def test_invalid_packet(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
self.assertRaises(exceptions.UnknownPacketError, _run,
s.receive(packet.Packet(packet.OPEN)))
def test_timeout(self):
mock_server = self._get_mock_server()
mock_server.ping_interval = -0.1
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.last_ping = time.time() - 1
s.close = AsyncMock()
_run(s.send('packet'))
s.close.mock.assert_called_once_with(wait=False, abort=False)
def test_polling_read(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'foo')
pkt1 = packet.Packet(packet.MESSAGE, data='hello')
pkt2 = packet.Packet(packet.MESSAGE, data='bye')
_run(s.send(pkt1))
_run(s.send(pkt2))
environ = {'REQUEST_METHOD': 'GET', 'QUERY_STRING': 'sid=foo'}
packets = _run(s.handle_get_request(environ))
self.assertEqual(packets, [pkt1, pkt2])
def test_polling_read_error(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'foo')
environ = {'REQUEST_METHOD': 'GET', 'QUERY_STRING': 'sid=foo'}
self.assertRaises(exceptions.QueueEmpty, _run,
s.handle_get_request(environ))
def test_polling_write(self):
mock_server = self._get_mock_server()
mock_server.max_http_buffer_size = 1000
pkt1 = packet.Packet(packet.MESSAGE, data='hello')
pkt2 = packet.Packet(packet.MESSAGE, data='bye')
p = payload.Payload(packets=[pkt1, pkt2]).encode()
s = asyncio_socket.AsyncSocket(mock_server, 'foo')
s.receive = AsyncMock()
environ = {'REQUEST_METHOD': 'POST', 'QUERY_STRING': 'sid=foo',
'CONTENT_LENGTH': len(p),
'wsgi.input': self._get_read_mock_coro(p)}
_run(s.handle_post_request(environ))
self.assertEqual(s.receive.mock.call_count, 2)
def test_polling_write_too_large(self):
mock_server = self._get_mock_server()
pkt1 = packet.Packet(packet.MESSAGE, data='hello')
pkt2 = packet.Packet(packet.MESSAGE, data='bye')
p = payload.Payload(packets=[pkt1, pkt2]).encode()
mock_server.max_http_buffer_size = len(p) - 1
s = asyncio_socket.AsyncSocket(mock_server, 'foo')
s.receive = AsyncMock()
environ = {'REQUEST_METHOD': 'POST', 'QUERY_STRING': 'sid=foo',
'CONTENT_LENGTH': len(p),
'wsgi.input': self._get_read_mock_coro(p)}
self.assertRaises(exceptions.ContentTooLongError, _run,
s.handle_post_request(environ))
def test_upgrade_handshake(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'foo')
s._upgrade_websocket = AsyncMock()
environ = {'REQUEST_METHOD': 'GET', 'QUERY_STRING': 'sid=foo',
'HTTP_CONNECTION': 'Foo,Upgrade,Bar',
'HTTP_UPGRADE': 'websocket'}
_run(s.handle_get_request(environ))
s._upgrade_websocket.mock.assert_called_once_with(environ)
def test_upgrade(self):
mock_server = self._get_mock_server()
mock_server._async['websocket'] = mock.MagicMock()
mock_server._async['websocket_class'] = 'WebSocket'
mock_ws = AsyncMock()
mock_server._async['websocket'].WebSocket.return_value = mock_ws
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.connected = True
environ = "foo"
_run(s._upgrade_websocket(environ))
mock_server._async['websocket'].WebSocket.assert_called_once_with(
s._websocket_handler)
mock_ws.mock.assert_called_once_with(environ)
def test_upgrade_twice(self):
mock_server = self._get_mock_server()
mock_server._async['websocket'] = mock.MagicMock()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.connected = True
s.upgraded = True
environ = "foo"
self.assertRaises(IOError, _run, s._upgrade_websocket(environ))
def test_upgrade_packet(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.connected = True
_run(s.receive(packet.Packet(packet.UPGRADE)))
r = _run(s.poll())
self.assertEqual(len(r), 1)
self.assertEqual(r[0].encode(), packet.Packet(packet.NOOP).encode())
def test_upgrade_no_probe(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.connected = True
ws = mock.MagicMock()
ws.wait = AsyncMock()
ws.wait.mock.return_value = packet.Packet(packet.NOOP).encode(
always_bytes=False)
_run(s._websocket_handler(ws))
self.assertFalse(s.upgraded)
def test_upgrade_no_upgrade_packet(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.connected = True
s.queue.join = AsyncMock(return_value=None)
ws = mock.MagicMock()
ws.send = AsyncMock()
ws.wait = AsyncMock()
probe = six.text_type('probe')
ws.wait.mock.side_effect = [
packet.Packet(packet.PING, data=probe).encode(
always_bytes=False),
packet.Packet(packet.NOOP).encode(always_bytes=False)]
_run(s._websocket_handler(ws))
ws.send.mock.assert_called_once_with(packet.Packet(
packet.PONG, data=probe).encode(always_bytes=False))
self.assertEqual(_run(s.queue.get()).packet_type, packet.NOOP)
self.assertFalse(s.upgraded)
def test_upgrade_not_supported(self):
mock_server = self._get_mock_server()
mock_server._async['websocket'] = None
mock_server._async['websocket_class'] = None
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.connected = True
environ = "foo"
_run(s._upgrade_websocket(environ))
mock_server._bad_request.assert_called_once_with()
def test_close_packet(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.connected = True
s.close = AsyncMock()
_run(s.receive(packet.Packet(packet.CLOSE)))
s.close.mock.assert_called_once_with(wait=False, abort=True)
def test_websocket_read_write(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.connected = False
s.queue.join = AsyncMock(return_value=None)
foo = six.text_type('foo')
bar = six.text_type('bar')
s.poll = AsyncMock(side_effect=[
[packet.Packet(packet.MESSAGE, data=bar)], None])
ws = mock.MagicMock()
ws.send = AsyncMock()
ws.wait = AsyncMock()
ws.wait.mock.side_effect = [
packet.Packet(packet.MESSAGE, data=foo).encode(
always_bytes=False),
None]
_run(s._websocket_handler(ws))
self.assertTrue(s.connected)
self.assertTrue(s.upgraded)
self.assertEqual(mock_server._trigger_event.mock.call_count, 2)
mock_server._trigger_event.mock.assert_has_calls([
mock.call('message', 'sid', 'foo', run_async=False),
mock.call('disconnect', 'sid')])
ws.send.mock.assert_called_with('4bar')
def test_websocket_upgrade_read_write(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.connected = True
s.queue.join = AsyncMock(return_value=None)
foo = six.text_type('foo')
bar = six.text_type('bar')
probe = six.text_type('probe')
s.poll = AsyncMock(side_effect=[
[packet.Packet(packet.MESSAGE, data=bar)], exceptions.QueueEmpty])
ws = mock.MagicMock()
ws.send = AsyncMock()
ws.wait = AsyncMock()
ws.wait.mock.side_effect = [
packet.Packet(packet.PING, data=probe).encode(
always_bytes=False),
packet.Packet(packet.UPGRADE).encode(always_bytes=False),
packet.Packet(packet.MESSAGE, data=foo).encode(
always_bytes=False),
None]
_run(s._websocket_handler(ws))
self.assertTrue(s.upgraded)
self.assertEqual(mock_server._trigger_event.mock.call_count, 2)
mock_server._trigger_event.mock.assert_has_calls([
mock.call('message', 'sid', 'foo', run_async=False),
mock.call('disconnect', 'sid')])
ws.send.mock.assert_called_with('4bar')
def test_websocket_upgrade_with_payload(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.connected = True
s.queue.join = AsyncMock(return_value=None)
probe = six.text_type('probe')
ws = mock.MagicMock()
ws.send = AsyncMock()
ws.wait = AsyncMock()
ws.wait.mock.side_effect = [
packet.Packet(packet.PING, data=probe).encode(
always_bytes=False),
packet.Packet(packet.UPGRADE, data=b'2').encode(
always_bytes=False)]
_run(s._websocket_handler(ws))
self.assertTrue(s.upgraded)
def test_websocket_read_write_wait_fail(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.connected = False
s.queue.join = AsyncMock(return_value=None)
foo = six.text_type('foo')
bar = six.text_type('bar')
s.poll = AsyncMock(side_effect=[
[packet.Packet(packet.MESSAGE, data=bar)],
[packet.Packet(packet.MESSAGE, data=bar)], exceptions.QueueEmpty])
ws = mock.MagicMock()
ws.send = AsyncMock()
ws.wait = AsyncMock()
ws.wait.mock.side_effect = [
packet.Packet(packet.MESSAGE, data=foo).encode(
always_bytes=False),
RuntimeError]
ws.send.mock.side_effect = [None, RuntimeError]
_run(s._websocket_handler(ws))
self.assertEqual(s.closed, True)
def test_websocket_ignore_invalid_packet(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.connected = False
s.queue.join = AsyncMock(return_value=None)
foo = six.text_type('foo')
bar = six.text_type('bar')
s.poll = AsyncMock(side_effect=[
[packet.Packet(packet.MESSAGE, data=bar)], exceptions.QueueEmpty])
ws = mock.MagicMock()
ws.send = AsyncMock()
ws.wait = AsyncMock()
ws.wait.mock.side_effect = [
packet.Packet(packet.OPEN).encode(always_bytes=False),
packet.Packet(packet.MESSAGE, data=foo).encode(
always_bytes=False),
None]
_run(s._websocket_handler(ws))
self.assertTrue(s.connected)
self.assertEqual(mock_server._trigger_event.mock.call_count, 2)
mock_server._trigger_event.mock.assert_has_calls([
mock.call('message', 'sid', foo, run_async=False),
mock.call('disconnect', 'sid')])
ws.send.mock.assert_called_with('4bar')
def test_send_after_close(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
_run(s.close(wait=False))
self.assertRaises(exceptions.SocketIsClosedError, _run,
s.send(packet.Packet(packet.NOOP)))
def test_close_after_close(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
_run(s.close(wait=False))
self.assertTrue(s.closed)
self.assertEqual(mock_server._trigger_event.mock.call_count, 1)
mock_server._trigger_event.mock.assert_called_once_with('disconnect',
'sid')
_run(s.close())
self.assertEqual(mock_server._trigger_event.mock.call_count, 1)
def test_close_and_wait(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.queue = mock.MagicMock()
s.queue.put = AsyncMock()
s.queue.join = AsyncMock()
_run(s.close(wait=True))
s.queue.join.mock.assert_called_once_with()
def test_close_without_wait(self):
mock_server = self._get_mock_server()
s = asyncio_socket.AsyncSocket(mock_server, 'sid')
s.queue = mock.MagicMock()
s.queue.put = AsyncMock()
s.queue.join = AsyncMock()
_run(s.close(wait=False))
self.assertEqual(s.queue.join.mock.call_count, 0)
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