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"""Tests for transports.py."""
import unittest
import unittest.mock
from asyncio import transports
class TransportTests(unittest.TestCase):
def test_ctor_extra_is_none(self):
transport = transports.Transport()
self.assertEqual(transport._extra, {})
def test_get_extra_info(self):
transport = transports.Transport({'extra': 'info'})
self.assertEqual('info', transport.get_extra_info('extra'))
self.assertIsNone(transport.get_extra_info('unknown'))
default = object()
self.assertIs(default, transport.get_extra_info('unknown', default))
def test_writelines(self):
transport = transports.Transport()
transport.write = unittest.mock.Mock()
transport.writelines([b'line1',
bytearray(b'line2'),
memoryview(b'line3')])
self.assertEqual(1, transport.write.call_count)
transport.write.assert_called_with(b'line1line2line3')
def test_not_implemented(self):
transport = transports.Transport()
self.assertRaises(NotImplementedError,
transport.set_write_buffer_limits)
self.assertRaises(NotImplementedError, transport.get_write_buffer_size)
self.assertRaises(NotImplementedError, transport.write, 'data')
self.assertRaises(NotImplementedError, transport.write_eof)
self.assertRaises(NotImplementedError, transport.can_write_eof)
self.assertRaises(NotImplementedError, transport.pause_reading)
self.assertRaises(NotImplementedError, transport.resume_reading)
self.assertRaises(NotImplementedError, transport.close)
self.assertRaises(NotImplementedError, transport.abort)
def test_dgram_not_implemented(self):
transport = transports.DatagramTransport()
self.assertRaises(NotImplementedError, transport.sendto, 'data')
self.assertRaises(NotImplementedError, transport.abort)
def test_subprocess_transport_not_implemented(self):
transport = transports.SubprocessTransport()
self.assertRaises(NotImplementedError, transport.get_pid)
self.assertRaises(NotImplementedError, transport.get_returncode)
self.assertRaises(NotImplementedError, transport.get_pipe_transport, 1)
self.assertRaises(NotImplementedError, transport.send_signal, 1)
self.assertRaises(NotImplementedError, transport.terminate)
self.assertRaises(NotImplementedError, transport.kill)
if __name__ == '__main__':
unittest.main()
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