def test_loop_reading_aborted_is_fatal(self):
self.loop._proactor.recv.side_effect = ConnectionAbortedError()
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._closing = False
tr._fatal_error = mock.Mock()
tr._loop_reading()
self.assertTrue(tr._fatal_error.called)
def socket_transport(self, waiter=None):
transport = _ProactorSocketTransport(self.loop,
self.sock,
self.protocol,
waiter=waiter)
self.addCleanup(close_transport, transport)
return transport
def test_loop_writing(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._buffer = bytearray(b'data')
tr._loop_writing()
self.loop._proactor.send.assert_called_with(self.sock, b'data')
self.loop._proactor.send.return_value.add_done_callback.\
assert_called_with(tr._loop_writing)
def test_write_more(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._write_fut = mock.Mock()
tr._loop_writing = mock.Mock()
tr.write(b'data')
self.assertEqual(tr._buffer, b'data')
self.assertFalse(tr._loop_writing.called)
def test_pause_resume_reading(self):
tr = _ProactorSocketTransport(
self.loop, self.sock, self.protocol)
futures = []
for msg in [b'data1', b'data2', b'data3', b'data4', b'']:
f = asyncio.Future(loop=self.loop)
f.set_result(msg)
futures.append(f)
self.loop._proactor.recv.side_effect = futures
self.loop._run_once()
self.assertFalse(tr._paused)
self.loop._run_once()
self.protocol.data_received.assert_called_with(b'data1')
self.loop._run_once()
self.protocol.data_received.assert_called_with(b'data2')
tr.pause_reading()
self.assertTrue(tr._paused)
for i in range(10):
self.loop._run_once()
self.protocol.data_received.assert_called_with(b'data2')
tr.resume_reading()
self.assertFalse(tr._paused)
self.loop._run_once()
self.protocol.data_received.assert_called_with(b'data3')
self.loop._run_once()
self.protocol.data_received.assert_called_with(b'data4')
tr.close()
def test_fatal_error_2(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._buffer = [b'data']
tr._force_close(None)
test_utils.run_briefly(self.loop)
self.protocol.connection_lost.assert_called_with(None)
self.assertEqual(None, tr._buffer)
def test_loop_writing_stop(self):
fut = asyncio.Future(loop=self.loop)
fut.set_result(b'data')
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._write_fut = fut
tr._loop_writing(fut)
self.assertIsNone(tr._write_fut)
def test_ctor(self):
fut = asyncio.Future(loop=self.loop)
tr = _ProactorSocketTransport(
self.loop, self.sock, self.protocol, fut)
test_utils.run_briefly(self.loop)
self.assertIsNone(fut.result())
self.protocol.connection_made(tr)
self.proactor.recv.assert_called_with(self.sock, 4096)
def test_loop_reading_aborted(self):
err = self.loop._proactor.recv.side_effect = ConnectionAbortedError()
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._fatal_error = mock.Mock()
tr._loop_reading()
tr._fatal_error.assert_called_with(
err,
'Fatal read error on pipe transport')
def test_write_eof(self):
tr = _ProactorSocketTransport(
self.loop, self.sock, self.protocol)
self.assertTrue(tr.can_write_eof())
tr.write_eof()
self.sock.shutdown.assert_called_with(socket.SHUT_WR)
tr.write_eof()
self.assertEqual(self.sock.shutdown.call_count, 1)
tr.close()
def test_loop_reading_data(self):
res = asyncio.Future(loop=self.loop)
res.set_result(b'data')
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._read_fut = res
tr._loop_reading(res)
self.loop._proactor.recv.assert_called_with(self.sock, 4096)
self.protocol.data_received.assert_called_with(b'data')
def test_loop_reading_conn_reset_lost(self):
err = self.loop._proactor.recv.side_effect = ConnectionResetError()
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._closing = False
tr._fatal_error = mock.Mock()
tr._force_close = mock.Mock()
tr._loop_reading()
self.assertFalse(tr._fatal_error.called)
tr._force_close.assert_called_with(err)
def pause_writing_transport(self, high):
tr = _ProactorSocketTransport(
self.loop, self.sock, self.protocol)
self.addCleanup(tr.close)
tr.set_write_buffer_limits(high=high)
self.assertEqual(tr.get_write_buffer_size(), 0)
self.assertFalse(self.protocol.pause_writing.called)
self.assertFalse(self.protocol.resume_writing.called)
return tr
def test_loop_writing_closing(self):
fut = asyncio.Future(loop=self.loop)
fut.set_result(1)
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._write_fut = fut
tr.close()
tr._loop_writing(fut)
self.assertIsNone(tr._write_fut)
test_utils.run_briefly(self.loop)
self.protocol.connection_lost.assert_called_with(None)
def test_close(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr.close()
test_utils.run_briefly(self.loop)
self.protocol.connection_lost.assert_called_with(None)
self.assertTrue(tr._closing)
self.assertEqual(tr._conn_lost, 1)
self.protocol.connection_lost.reset_mock()
tr.close()
test_utils.run_briefly(self.loop)
self.assertFalse(self.protocol.connection_lost.called)
def test_force_close(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._buffer = [b'data']
read_fut = tr._read_fut = mock.Mock()
write_fut = tr._write_fut = mock.Mock()
tr._force_close(None)
read_fut.cancel.assert_called_with()
write_fut.cancel.assert_called_with()
test_utils.run_briefly(self.loop)
self.protocol.connection_lost.assert_called_with(None)
self.assertEqual(None, tr._buffer)
self.assertEqual(tr._conn_lost, 1)
def test_write_eof_buffer(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
f = asyncio.Future(loop=self.loop)
tr._loop._proactor.send.return_value = f
tr.write(b'data')
tr.write_eof()
self.assertTrue(tr._eof_written)
self.assertFalse(self.sock.shutdown.called)
tr._loop._proactor.send.assert_called_with(self.sock, b'data')
f.set_result(4)
self.loop._run_once()
self.sock.shutdown.assert_called_with(socket.SHUT_WR)
tr.close()
def test_loop_reading_no_data(self):
res = asyncio.Future(loop=self.loop)
res.set_result(b'')
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
self.assertRaises(AssertionError, tr._loop_reading, res)
tr.close = mock.Mock()
tr._read_fut = res
tr._loop_reading(res)
self.assertFalse(self.loop._proactor.recv.called)
self.assertTrue(self.protocol.eof_received.called)
self.assertTrue(tr.close.called)
def test_loop_writing_err(self, m_log):
err = self.loop._proactor.send.side_effect = OSError()
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._fatal_error = mock.Mock()
tr._buffer = [b'da', b'ta']
tr._loop_writing()
tr._fatal_error.assert_called_with(
err,
'Fatal write error on pipe transport')
tr._conn_lost = 1
tr.write(b'data')
tr.write(b'data')
tr.write(b'data')
tr.write(b'data')
tr.write(b'data')
self.assertEqual(tr._buffer, None)
m_log.warning.assert_called_with('socket.send() raised exception.')
def test_abort(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._force_close = mock.Mock()
tr.abort()
tr._force_close.assert_called_with(None)
def test_loop_reading(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._loop_reading()
self.loop._proactor.recv.assert_called_with(self.sock, 4096)
self.assertFalse(self.protocol.data_received.called)
self.assertFalse(self.protocol.eof_received.called)
def test_close_write_fut(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._write_fut = mock.Mock()
tr.close()
test_utils.run_briefly(self.loop)
self.assertFalse(self.protocol.connection_lost.called)
def test_close_buffer(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._buffer = [b'data']
tr.close()
test_utils.run_briefly(self.loop)
self.assertFalse(self.protocol.connection_lost.called)
def test_call_connection_lost(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._call_connection_lost(None)
self.assertTrue(self.protocol.connection_lost.called)
self.assertTrue(self.sock.close.called)
def test_fatal_error(self, m_logging):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._force_close = mock.Mock()
tr._fatal_error(None)
self.assertTrue(tr._force_close.called)
self.assertTrue(m_logging.error.called)
def test_write(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._loop_writing = mock.Mock()
tr.write(b'data')
self.assertEqual(tr._buffer, None)
tr._loop_writing.assert_called_with(data=b'data')
def test_write_no_data(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr.write(b'')
self.assertFalse(tr._buffer)
def test_force_close_idempotent(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._closing = True
tr._force_close(None)
test_utils.run_briefly(self.loop)
self.assertFalse(self.protocol.connection_lost.called)
def socket_transport(self, waiter=None):
transport = _ProactorSocketTransport(self.loop, self.sock,
self.protocol, waiter=waiter)
self.addCleanup(close_transport, transport)
return transport
