92 lines
3.4 KiB
Python
92 lines
3.4 KiB
Python
"""Tests for transports.py."""
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import unittest
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from unittest import mock
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import asyncio
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from asyncio import transports
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class TransportTests(unittest.TestCase):
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def test_ctor_extra_is_none(self):
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transport = asyncio.Transport()
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self.assertEqual(transport._extra, {})
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def test_get_extra_info(self):
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transport = asyncio.Transport({'extra': 'info'})
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self.assertEqual('info', transport.get_extra_info('extra'))
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self.assertIsNone(transport.get_extra_info('unknown'))
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default = object()
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self.assertIs(default, transport.get_extra_info('unknown', default))
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def test_writelines(self):
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transport = asyncio.Transport()
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transport.write = mock.Mock()
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transport.writelines([b'line1',
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bytearray(b'line2'),
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memoryview(b'line3')])
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self.assertEqual(1, transport.write.call_count)
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transport.write.assert_called_with(b'line1line2line3')
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def test_not_implemented(self):
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transport = asyncio.Transport()
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self.assertRaises(NotImplementedError,
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transport.set_write_buffer_limits)
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self.assertRaises(NotImplementedError, transport.get_write_buffer_size)
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self.assertRaises(NotImplementedError, transport.write, 'data')
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self.assertRaises(NotImplementedError, transport.write_eof)
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self.assertRaises(NotImplementedError, transport.can_write_eof)
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self.assertRaises(NotImplementedError, transport.pause_reading)
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self.assertRaises(NotImplementedError, transport.resume_reading)
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self.assertRaises(NotImplementedError, transport.close)
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self.assertRaises(NotImplementedError, transport.abort)
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def test_dgram_not_implemented(self):
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transport = asyncio.DatagramTransport()
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self.assertRaises(NotImplementedError, transport.sendto, 'data')
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self.assertRaises(NotImplementedError, transport.abort)
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def test_subprocess_transport_not_implemented(self):
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transport = asyncio.SubprocessTransport()
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self.assertRaises(NotImplementedError, transport.get_pid)
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self.assertRaises(NotImplementedError, transport.get_returncode)
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self.assertRaises(NotImplementedError, transport.get_pipe_transport, 1)
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self.assertRaises(NotImplementedError, transport.send_signal, 1)
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self.assertRaises(NotImplementedError, transport.terminate)
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self.assertRaises(NotImplementedError, transport.kill)
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def test_flowcontrol_mixin_set_write_limits(self):
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class MyTransport(transports._FlowControlMixin,
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transports.Transport):
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def get_write_buffer_size(self):
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return 512
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loop = mock.Mock()
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transport = MyTransport(loop=loop)
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transport._protocol = mock.Mock()
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self.assertFalse(transport._protocol_paused)
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with self.assertRaisesRegex(ValueError, 'high.*must be >= low'):
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transport.set_write_buffer_limits(high=0, low=1)
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transport.set_write_buffer_limits(high=1024, low=128)
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self.assertFalse(transport._protocol_paused)
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self.assertEqual(transport.get_write_buffer_limits(), (128, 1024))
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transport.set_write_buffer_limits(high=256, low=128)
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self.assertTrue(transport._protocol_paused)
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self.assertEqual(transport.get_write_buffer_limits(), (128, 256))
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if __name__ == '__main__':
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unittest.main()
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