782 lines
28 KiB
Python
782 lines
28 KiB
Python
"""Tests for unix_events.py."""
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import gc
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import errno
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import io
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import pprint
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import signal
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import stat
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import sys
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import unittest
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import unittest.mock
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if sys.platform == 'win32':
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raise unittest.SkipTest('UNIX only')
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from asyncio import events
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from asyncio import futures
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from asyncio import protocols
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from asyncio import test_utils
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from asyncio import unix_events
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@unittest.skipUnless(signal, 'Signals are not supported')
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class SelectorEventLoopTests(unittest.TestCase):
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def setUp(self):
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self.loop = unix_events.SelectorEventLoop()
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events.set_event_loop(None)
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def tearDown(self):
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self.loop.close()
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def test_check_signal(self):
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self.assertRaises(
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TypeError, self.loop._check_signal, '1')
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self.assertRaises(
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ValueError, self.loop._check_signal, signal.NSIG + 1)
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def test_handle_signal_no_handler(self):
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self.loop._handle_signal(signal.NSIG + 1, ())
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def test_handle_signal_cancelled_handler(self):
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h = events.Handle(unittest.mock.Mock(), ())
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h.cancel()
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self.loop._signal_handlers[signal.NSIG + 1] = h
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self.loop.remove_signal_handler = unittest.mock.Mock()
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self.loop._handle_signal(signal.NSIG + 1, ())
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self.loop.remove_signal_handler.assert_called_with(signal.NSIG + 1)
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@unittest.mock.patch('asyncio.unix_events.signal')
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def test_add_signal_handler_setup_error(self, m_signal):
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m_signal.NSIG = signal.NSIG
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m_signal.set_wakeup_fd.side_effect = ValueError
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self.assertRaises(
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RuntimeError,
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self.loop.add_signal_handler,
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signal.SIGINT, lambda: True)
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@unittest.mock.patch('asyncio.unix_events.signal')
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def test_add_signal_handler(self, m_signal):
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m_signal.NSIG = signal.NSIG
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cb = lambda: True
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self.loop.add_signal_handler(signal.SIGHUP, cb)
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h = self.loop._signal_handlers.get(signal.SIGHUP)
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self.assertTrue(isinstance(h, events.Handle))
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self.assertEqual(h._callback, cb)
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@unittest.mock.patch('asyncio.unix_events.signal')
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def test_add_signal_handler_install_error(self, m_signal):
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m_signal.NSIG = signal.NSIG
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def set_wakeup_fd(fd):
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if fd == -1:
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raise ValueError()
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m_signal.set_wakeup_fd = set_wakeup_fd
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class Err(OSError):
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errno = errno.EFAULT
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m_signal.signal.side_effect = Err
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self.assertRaises(
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Err,
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self.loop.add_signal_handler,
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signal.SIGINT, lambda: True)
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@unittest.mock.patch('asyncio.unix_events.signal')
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@unittest.mock.patch('asyncio.unix_events.logger')
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def test_add_signal_handler_install_error2(self, m_logging, m_signal):
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m_signal.NSIG = signal.NSIG
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class Err(OSError):
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errno = errno.EINVAL
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m_signal.signal.side_effect = Err
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self.loop._signal_handlers[signal.SIGHUP] = lambda: True
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self.assertRaises(
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RuntimeError,
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self.loop.add_signal_handler,
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signal.SIGINT, lambda: True)
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self.assertFalse(m_logging.info.called)
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self.assertEqual(1, m_signal.set_wakeup_fd.call_count)
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@unittest.mock.patch('asyncio.unix_events.signal')
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@unittest.mock.patch('asyncio.unix_events.logger')
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def test_add_signal_handler_install_error3(self, m_logging, m_signal):
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class Err(OSError):
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errno = errno.EINVAL
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m_signal.signal.side_effect = Err
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m_signal.NSIG = signal.NSIG
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self.assertRaises(
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RuntimeError,
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self.loop.add_signal_handler,
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signal.SIGINT, lambda: True)
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self.assertFalse(m_logging.info.called)
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self.assertEqual(2, m_signal.set_wakeup_fd.call_count)
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@unittest.mock.patch('asyncio.unix_events.signal')
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def test_remove_signal_handler(self, m_signal):
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m_signal.NSIG = signal.NSIG
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self.loop.add_signal_handler(signal.SIGHUP, lambda: True)
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self.assertTrue(
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self.loop.remove_signal_handler(signal.SIGHUP))
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self.assertTrue(m_signal.set_wakeup_fd.called)
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self.assertTrue(m_signal.signal.called)
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self.assertEqual(
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(signal.SIGHUP, m_signal.SIG_DFL), m_signal.signal.call_args[0])
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@unittest.mock.patch('asyncio.unix_events.signal')
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def test_remove_signal_handler_2(self, m_signal):
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m_signal.NSIG = signal.NSIG
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m_signal.SIGINT = signal.SIGINT
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self.loop.add_signal_handler(signal.SIGINT, lambda: True)
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self.loop._signal_handlers[signal.SIGHUP] = object()
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m_signal.set_wakeup_fd.reset_mock()
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self.assertTrue(
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self.loop.remove_signal_handler(signal.SIGINT))
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self.assertFalse(m_signal.set_wakeup_fd.called)
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self.assertTrue(m_signal.signal.called)
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self.assertEqual(
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(signal.SIGINT, m_signal.default_int_handler),
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m_signal.signal.call_args[0])
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@unittest.mock.patch('asyncio.unix_events.signal')
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@unittest.mock.patch('asyncio.unix_events.logger')
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def test_remove_signal_handler_cleanup_error(self, m_logging, m_signal):
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m_signal.NSIG = signal.NSIG
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self.loop.add_signal_handler(signal.SIGHUP, lambda: True)
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m_signal.set_wakeup_fd.side_effect = ValueError
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self.loop.remove_signal_handler(signal.SIGHUP)
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self.assertTrue(m_logging.info)
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@unittest.mock.patch('asyncio.unix_events.signal')
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def test_remove_signal_handler_error(self, m_signal):
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m_signal.NSIG = signal.NSIG
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self.loop.add_signal_handler(signal.SIGHUP, lambda: True)
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m_signal.signal.side_effect = OSError
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self.assertRaises(
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OSError, self.loop.remove_signal_handler, signal.SIGHUP)
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@unittest.mock.patch('asyncio.unix_events.signal')
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def test_remove_signal_handler_error2(self, m_signal):
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m_signal.NSIG = signal.NSIG
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self.loop.add_signal_handler(signal.SIGHUP, lambda: True)
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class Err(OSError):
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errno = errno.EINVAL
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m_signal.signal.side_effect = Err
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self.assertRaises(
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RuntimeError, self.loop.remove_signal_handler, signal.SIGHUP)
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@unittest.mock.patch('os.WTERMSIG')
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@unittest.mock.patch('os.WEXITSTATUS')
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@unittest.mock.patch('os.WIFSIGNALED')
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@unittest.mock.patch('os.WIFEXITED')
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@unittest.mock.patch('os.waitpid')
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def test__sig_chld(self, m_waitpid, m_WIFEXITED, m_WIFSIGNALED,
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m_WEXITSTATUS, m_WTERMSIG):
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m_waitpid.side_effect = [(7, object()), ChildProcessError]
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m_WIFEXITED.return_value = True
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m_WIFSIGNALED.return_value = False
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m_WEXITSTATUS.return_value = 3
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transp = unittest.mock.Mock()
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self.loop._subprocesses[7] = transp
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self.loop._sig_chld()
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transp._process_exited.assert_called_with(3)
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self.assertFalse(m_WTERMSIG.called)
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@unittest.mock.patch('os.WTERMSIG')
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@unittest.mock.patch('os.WEXITSTATUS')
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@unittest.mock.patch('os.WIFSIGNALED')
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@unittest.mock.patch('os.WIFEXITED')
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@unittest.mock.patch('os.waitpid')
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def test__sig_chld_signal(self, m_waitpid, m_WIFEXITED, m_WIFSIGNALED,
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m_WEXITSTATUS, m_WTERMSIG):
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m_waitpid.side_effect = [(7, object()), ChildProcessError]
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m_WIFEXITED.return_value = False
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m_WIFSIGNALED.return_value = True
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m_WTERMSIG.return_value = 1
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transp = unittest.mock.Mock()
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self.loop._subprocesses[7] = transp
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self.loop._sig_chld()
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transp._process_exited.assert_called_with(-1)
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self.assertFalse(m_WEXITSTATUS.called)
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@unittest.mock.patch('os.WTERMSIG')
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@unittest.mock.patch('os.WEXITSTATUS')
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@unittest.mock.patch('os.WIFSIGNALED')
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@unittest.mock.patch('os.WIFEXITED')
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@unittest.mock.patch('os.waitpid')
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def test__sig_chld_zero_pid(self, m_waitpid, m_WIFEXITED, m_WIFSIGNALED,
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m_WEXITSTATUS, m_WTERMSIG):
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m_waitpid.side_effect = [(0, object()), ChildProcessError]
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transp = unittest.mock.Mock()
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self.loop._subprocesses[7] = transp
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self.loop._sig_chld()
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self.assertFalse(transp._process_exited.called)
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self.assertFalse(m_WIFSIGNALED.called)
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self.assertFalse(m_WIFEXITED.called)
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self.assertFalse(m_WTERMSIG.called)
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self.assertFalse(m_WEXITSTATUS.called)
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@unittest.mock.patch('os.WTERMSIG')
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@unittest.mock.patch('os.WEXITSTATUS')
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@unittest.mock.patch('os.WIFSIGNALED')
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@unittest.mock.patch('os.WIFEXITED')
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@unittest.mock.patch('os.waitpid')
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def test__sig_chld_not_registered_subprocess(self, m_waitpid,
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m_WIFEXITED, m_WIFSIGNALED,
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m_WEXITSTATUS, m_WTERMSIG):
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m_waitpid.side_effect = [(7, object()), ChildProcessError]
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m_WIFEXITED.return_value = True
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m_WIFSIGNALED.return_value = False
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m_WEXITSTATUS.return_value = 3
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self.loop._sig_chld()
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self.assertFalse(m_WTERMSIG.called)
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@unittest.mock.patch('os.WTERMSIG')
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@unittest.mock.patch('os.WEXITSTATUS')
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@unittest.mock.patch('os.WIFSIGNALED')
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@unittest.mock.patch('os.WIFEXITED')
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@unittest.mock.patch('os.waitpid')
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def test__sig_chld_unknown_status(self, m_waitpid,
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m_WIFEXITED, m_WIFSIGNALED,
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m_WEXITSTATUS, m_WTERMSIG):
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m_waitpid.side_effect = [(7, object()), ChildProcessError]
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m_WIFEXITED.return_value = False
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m_WIFSIGNALED.return_value = False
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transp = unittest.mock.Mock()
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self.loop._subprocesses[7] = transp
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self.loop._sig_chld()
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self.assertTrue(transp._process_exited.called)
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self.assertFalse(m_WEXITSTATUS.called)
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self.assertFalse(m_WTERMSIG.called)
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@unittest.mock.patch('asyncio.unix_events.logger')
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@unittest.mock.patch('os.WTERMSIG')
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@unittest.mock.patch('os.WEXITSTATUS')
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@unittest.mock.patch('os.WIFSIGNALED')
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@unittest.mock.patch('os.WIFEXITED')
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@unittest.mock.patch('os.waitpid')
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def test__sig_chld_unknown_status_in_handler(self, m_waitpid,
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m_WIFEXITED, m_WIFSIGNALED,
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m_WEXITSTATUS, m_WTERMSIG,
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m_log):
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m_waitpid.side_effect = Exception
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transp = unittest.mock.Mock()
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self.loop._subprocesses[7] = transp
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self.loop._sig_chld()
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self.assertFalse(transp._process_exited.called)
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self.assertFalse(m_WIFSIGNALED.called)
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self.assertFalse(m_WIFEXITED.called)
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self.assertFalse(m_WTERMSIG.called)
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self.assertFalse(m_WEXITSTATUS.called)
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m_log.exception.assert_called_with(
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'Unknown exception in SIGCHLD handler')
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@unittest.mock.patch('os.waitpid')
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def test__sig_chld_process_error(self, m_waitpid):
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m_waitpid.side_effect = ChildProcessError
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self.loop._sig_chld()
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self.assertTrue(m_waitpid.called)
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class UnixReadPipeTransportTests(unittest.TestCase):
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def setUp(self):
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self.loop = test_utils.TestLoop()
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self.protocol = test_utils.make_test_protocol(protocols.Protocol)
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self.pipe = unittest.mock.Mock(spec_set=io.RawIOBase)
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self.pipe.fileno.return_value = 5
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fcntl_patcher = unittest.mock.patch('fcntl.fcntl')
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fcntl_patcher.start()
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self.addCleanup(fcntl_patcher.stop)
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fstat_patcher = unittest.mock.patch('os.fstat')
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m_fstat = fstat_patcher.start()
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st = unittest.mock.Mock()
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st.st_mode = stat.S_IFIFO
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m_fstat.return_value = st
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self.addCleanup(fstat_patcher.stop)
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def test_ctor(self):
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tr = unix_events._UnixReadPipeTransport(
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self.loop, self.pipe, self.protocol)
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self.loop.assert_reader(5, tr._read_ready)
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test_utils.run_briefly(self.loop)
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self.protocol.connection_made.assert_called_with(tr)
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def test_ctor_with_waiter(self):
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fut = futures.Future(loop=self.loop)
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unix_events._UnixReadPipeTransport(
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self.loop, self.pipe, self.protocol, fut)
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test_utils.run_briefly(self.loop)
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self.assertIsNone(fut.result())
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@unittest.mock.patch('os.read')
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def test__read_ready(self, m_read):
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tr = unix_events._UnixReadPipeTransport(
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self.loop, self.pipe, self.protocol)
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m_read.return_value = b'data'
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tr._read_ready()
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m_read.assert_called_with(5, tr.max_size)
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self.protocol.data_received.assert_called_with(b'data')
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@unittest.mock.patch('os.read')
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def test__read_ready_eof(self, m_read):
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tr = unix_events._UnixReadPipeTransport(
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self.loop, self.pipe, self.protocol)
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m_read.return_value = b''
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tr._read_ready()
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m_read.assert_called_with(5, tr.max_size)
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self.assertFalse(self.loop.readers)
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test_utils.run_briefly(self.loop)
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self.protocol.eof_received.assert_called_with()
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self.protocol.connection_lost.assert_called_with(None)
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@unittest.mock.patch('os.read')
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def test__read_ready_blocked(self, m_read):
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tr = unix_events._UnixReadPipeTransport(
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self.loop, self.pipe, self.protocol)
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m_read.side_effect = BlockingIOError
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tr._read_ready()
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m_read.assert_called_with(5, tr.max_size)
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test_utils.run_briefly(self.loop)
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self.assertFalse(self.protocol.data_received.called)
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@unittest.mock.patch('asyncio.log.logger.exception')
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@unittest.mock.patch('os.read')
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def test__read_ready_error(self, m_read, m_logexc):
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tr = unix_events._UnixReadPipeTransport(
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self.loop, self.pipe, self.protocol)
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err = OSError()
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m_read.side_effect = err
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tr._close = unittest.mock.Mock()
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tr._read_ready()
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m_read.assert_called_with(5, tr.max_size)
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tr._close.assert_called_with(err)
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m_logexc.assert_called_with('Fatal error for %s', tr)
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@unittest.mock.patch('os.read')
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def test_pause_reading(self, m_read):
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tr = unix_events._UnixReadPipeTransport(
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self.loop, self.pipe, self.protocol)
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m = unittest.mock.Mock()
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self.loop.add_reader(5, m)
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tr.pause_reading()
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self.assertFalse(self.loop.readers)
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@unittest.mock.patch('os.read')
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def test_resume_reading(self, m_read):
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tr = unix_events._UnixReadPipeTransport(
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self.loop, self.pipe, self.protocol)
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tr.resume_reading()
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self.loop.assert_reader(5, tr._read_ready)
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@unittest.mock.patch('os.read')
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def test_close(self, m_read):
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tr = unix_events._UnixReadPipeTransport(
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self.loop, self.pipe, self.protocol)
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tr._close = unittest.mock.Mock()
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tr.close()
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tr._close.assert_called_with(None)
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@unittest.mock.patch('os.read')
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def test_close_already_closing(self, m_read):
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tr = unix_events._UnixReadPipeTransport(
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self.loop, self.pipe, self.protocol)
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tr._closing = True
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tr._close = unittest.mock.Mock()
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tr.close()
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self.assertFalse(tr._close.called)
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@unittest.mock.patch('os.read')
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def test__close(self, m_read):
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tr = unix_events._UnixReadPipeTransport(
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self.loop, self.pipe, self.protocol)
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err = object()
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tr._close(err)
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self.assertTrue(tr._closing)
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self.assertFalse(self.loop.readers)
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test_utils.run_briefly(self.loop)
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self.protocol.connection_lost.assert_called_with(err)
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def test__call_connection_lost(self):
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tr = unix_events._UnixReadPipeTransport(
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self.loop, self.pipe, self.protocol)
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err = None
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tr._call_connection_lost(err)
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self.protocol.connection_lost.assert_called_with(err)
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self.pipe.close.assert_called_with()
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self.assertIsNone(tr._protocol)
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self.assertEqual(2, sys.getrefcount(self.protocol),
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pprint.pformat(gc.get_referrers(self.protocol)))
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self.assertIsNone(tr._loop)
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self.assertEqual(2, sys.getrefcount(self.loop),
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pprint.pformat(gc.get_referrers(self.loop)))
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def test__call_connection_lost_with_err(self):
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tr = unix_events._UnixReadPipeTransport(
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self.loop, self.pipe, self.protocol)
|
|
|
|
err = OSError()
|
|
tr._call_connection_lost(err)
|
|
self.protocol.connection_lost.assert_called_with(err)
|
|
self.pipe.close.assert_called_with()
|
|
|
|
self.assertIsNone(tr._protocol)
|
|
self.assertEqual(2, sys.getrefcount(self.protocol),
|
|
pprint.pformat(gc.get_referrers(self.protocol)))
|
|
self.assertIsNone(tr._loop)
|
|
self.assertEqual(2, sys.getrefcount(self.loop),
|
|
pprint.pformat(gc.get_referrers(self.loop)))
|
|
|
|
|
|
class UnixWritePipeTransportTests(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.loop = test_utils.TestLoop()
|
|
self.protocol = test_utils.make_test_protocol(protocols.BaseProtocol)
|
|
self.pipe = unittest.mock.Mock(spec_set=io.RawIOBase)
|
|
self.pipe.fileno.return_value = 5
|
|
|
|
fcntl_patcher = unittest.mock.patch('fcntl.fcntl')
|
|
fcntl_patcher.start()
|
|
self.addCleanup(fcntl_patcher.stop)
|
|
|
|
fstat_patcher = unittest.mock.patch('os.fstat')
|
|
m_fstat = fstat_patcher.start()
|
|
st = unittest.mock.Mock()
|
|
st.st_mode = stat.S_IFIFO
|
|
m_fstat.return_value = st
|
|
self.addCleanup(fstat_patcher.stop)
|
|
|
|
def test_ctor(self):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
self.loop.assert_reader(5, tr._read_ready)
|
|
test_utils.run_briefly(self.loop)
|
|
self.protocol.connection_made.assert_called_with(tr)
|
|
|
|
def test_ctor_with_waiter(self):
|
|
fut = futures.Future(loop=self.loop)
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol, fut)
|
|
self.loop.assert_reader(5, tr._read_ready)
|
|
test_utils.run_briefly(self.loop)
|
|
self.assertEqual(None, fut.result())
|
|
|
|
def test_can_write_eof(self):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
self.assertTrue(tr.can_write_eof())
|
|
|
|
@unittest.mock.patch('os.write')
|
|
def test_write(self, m_write):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
m_write.return_value = 4
|
|
tr.write(b'data')
|
|
m_write.assert_called_with(5, b'data')
|
|
self.assertFalse(self.loop.writers)
|
|
self.assertEqual([], tr._buffer)
|
|
|
|
@unittest.mock.patch('os.write')
|
|
def test_write_no_data(self, m_write):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
tr.write(b'')
|
|
self.assertFalse(m_write.called)
|
|
self.assertFalse(self.loop.writers)
|
|
self.assertEqual([], tr._buffer)
|
|
|
|
@unittest.mock.patch('os.write')
|
|
def test_write_partial(self, m_write):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
m_write.return_value = 2
|
|
tr.write(b'data')
|
|
m_write.assert_called_with(5, b'data')
|
|
self.loop.assert_writer(5, tr._write_ready)
|
|
self.assertEqual([b'ta'], tr._buffer)
|
|
|
|
@unittest.mock.patch('os.write')
|
|
def test_write_buffer(self, m_write):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
self.loop.add_writer(5, tr._write_ready)
|
|
tr._buffer = [b'previous']
|
|
tr.write(b'data')
|
|
self.assertFalse(m_write.called)
|
|
self.loop.assert_writer(5, tr._write_ready)
|
|
self.assertEqual([b'previous', b'data'], tr._buffer)
|
|
|
|
@unittest.mock.patch('os.write')
|
|
def test_write_again(self, m_write):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
m_write.side_effect = BlockingIOError()
|
|
tr.write(b'data')
|
|
m_write.assert_called_with(5, b'data')
|
|
self.loop.assert_writer(5, tr._write_ready)
|
|
self.assertEqual([b'data'], tr._buffer)
|
|
|
|
@unittest.mock.patch('asyncio.unix_events.logger')
|
|
@unittest.mock.patch('os.write')
|
|
def test_write_err(self, m_write, m_log):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
err = OSError()
|
|
m_write.side_effect = err
|
|
tr._fatal_error = unittest.mock.Mock()
|
|
tr.write(b'data')
|
|
m_write.assert_called_with(5, b'data')
|
|
self.assertFalse(self.loop.writers)
|
|
self.assertEqual([], tr._buffer)
|
|
tr._fatal_error.assert_called_with(err)
|
|
self.assertEqual(1, tr._conn_lost)
|
|
|
|
tr.write(b'data')
|
|
self.assertEqual(2, tr._conn_lost)
|
|
tr.write(b'data')
|
|
tr.write(b'data')
|
|
tr.write(b'data')
|
|
tr.write(b'data')
|
|
# This is a bit overspecified. :-(
|
|
m_log.warning.assert_called_with(
|
|
'pipe closed by peer or os.write(pipe, data) raised exception.')
|
|
|
|
@unittest.mock.patch('os.write')
|
|
def test_write_close(self, m_write):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
tr._read_ready() # pipe was closed by peer
|
|
|
|
tr.write(b'data')
|
|
self.assertEqual(tr._conn_lost, 1)
|
|
tr.write(b'data')
|
|
self.assertEqual(tr._conn_lost, 2)
|
|
|
|
def test__read_ready(self):
|
|
tr = unix_events._UnixWritePipeTransport(self.loop, self.pipe,
|
|
self.protocol)
|
|
tr._read_ready()
|
|
self.assertFalse(self.loop.readers)
|
|
self.assertFalse(self.loop.writers)
|
|
self.assertTrue(tr._closing)
|
|
test_utils.run_briefly(self.loop)
|
|
self.protocol.connection_lost.assert_called_with(None)
|
|
|
|
@unittest.mock.patch('os.write')
|
|
def test__write_ready(self, m_write):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
self.loop.add_writer(5, tr._write_ready)
|
|
tr._buffer = [b'da', b'ta']
|
|
m_write.return_value = 4
|
|
tr._write_ready()
|
|
m_write.assert_called_with(5, b'data')
|
|
self.assertFalse(self.loop.writers)
|
|
self.assertEqual([], tr._buffer)
|
|
|
|
@unittest.mock.patch('os.write')
|
|
def test__write_ready_partial(self, m_write):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
self.loop.add_writer(5, tr._write_ready)
|
|
tr._buffer = [b'da', b'ta']
|
|
m_write.return_value = 3
|
|
tr._write_ready()
|
|
m_write.assert_called_with(5, b'data')
|
|
self.loop.assert_writer(5, tr._write_ready)
|
|
self.assertEqual([b'a'], tr._buffer)
|
|
|
|
@unittest.mock.patch('os.write')
|
|
def test__write_ready_again(self, m_write):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
self.loop.add_writer(5, tr._write_ready)
|
|
tr._buffer = [b'da', b'ta']
|
|
m_write.side_effect = BlockingIOError()
|
|
tr._write_ready()
|
|
m_write.assert_called_with(5, b'data')
|
|
self.loop.assert_writer(5, tr._write_ready)
|
|
self.assertEqual([b'data'], tr._buffer)
|
|
|
|
@unittest.mock.patch('os.write')
|
|
def test__write_ready_empty(self, m_write):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
self.loop.add_writer(5, tr._write_ready)
|
|
tr._buffer = [b'da', b'ta']
|
|
m_write.return_value = 0
|
|
tr._write_ready()
|
|
m_write.assert_called_with(5, b'data')
|
|
self.loop.assert_writer(5, tr._write_ready)
|
|
self.assertEqual([b'data'], tr._buffer)
|
|
|
|
@unittest.mock.patch('asyncio.log.logger.exception')
|
|
@unittest.mock.patch('os.write')
|
|
def test__write_ready_err(self, m_write, m_logexc):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
self.loop.add_writer(5, tr._write_ready)
|
|
tr._buffer = [b'da', b'ta']
|
|
m_write.side_effect = err = OSError()
|
|
tr._write_ready()
|
|
m_write.assert_called_with(5, b'data')
|
|
self.assertFalse(self.loop.writers)
|
|
self.assertFalse(self.loop.readers)
|
|
self.assertEqual([], tr._buffer)
|
|
self.assertTrue(tr._closing)
|
|
m_logexc.assert_called_with('Fatal error for %s', tr)
|
|
self.assertEqual(1, tr._conn_lost)
|
|
test_utils.run_briefly(self.loop)
|
|
self.protocol.connection_lost.assert_called_with(err)
|
|
|
|
@unittest.mock.patch('os.write')
|
|
def test__write_ready_closing(self, m_write):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
self.loop.add_writer(5, tr._write_ready)
|
|
tr._closing = True
|
|
tr._buffer = [b'da', b'ta']
|
|
m_write.return_value = 4
|
|
tr._write_ready()
|
|
m_write.assert_called_with(5, b'data')
|
|
self.assertFalse(self.loop.writers)
|
|
self.assertFalse(self.loop.readers)
|
|
self.assertEqual([], tr._buffer)
|
|
self.protocol.connection_lost.assert_called_with(None)
|
|
self.pipe.close.assert_called_with()
|
|
|
|
@unittest.mock.patch('os.write')
|
|
def test_abort(self, m_write):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
self.loop.add_writer(5, tr._write_ready)
|
|
self.loop.add_reader(5, tr._read_ready)
|
|
tr._buffer = [b'da', b'ta']
|
|
tr.abort()
|
|
self.assertFalse(m_write.called)
|
|
self.assertFalse(self.loop.readers)
|
|
self.assertFalse(self.loop.writers)
|
|
self.assertEqual([], tr._buffer)
|
|
self.assertTrue(tr._closing)
|
|
test_utils.run_briefly(self.loop)
|
|
self.protocol.connection_lost.assert_called_with(None)
|
|
|
|
def test__call_connection_lost(self):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
err = None
|
|
tr._call_connection_lost(err)
|
|
self.protocol.connection_lost.assert_called_with(err)
|
|
self.pipe.close.assert_called_with()
|
|
|
|
self.assertIsNone(tr._protocol)
|
|
self.assertEqual(2, sys.getrefcount(self.protocol),
|
|
pprint.pformat(gc.get_referrers(self.protocol)))
|
|
self.assertIsNone(tr._loop)
|
|
self.assertEqual(2, sys.getrefcount(self.loop),
|
|
pprint.pformat(gc.get_referrers(self.loop)))
|
|
|
|
def test__call_connection_lost_with_err(self):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
err = OSError()
|
|
tr._call_connection_lost(err)
|
|
self.protocol.connection_lost.assert_called_with(err)
|
|
self.pipe.close.assert_called_with()
|
|
|
|
self.assertIsNone(tr._protocol)
|
|
self.assertEqual(2, sys.getrefcount(self.protocol),
|
|
pprint.pformat(gc.get_referrers(self.protocol)))
|
|
self.assertIsNone(tr._loop)
|
|
self.assertEqual(2, sys.getrefcount(self.loop),
|
|
pprint.pformat(gc.get_referrers(self.loop)))
|
|
|
|
def test_close(self):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
tr.write_eof = unittest.mock.Mock()
|
|
tr.close()
|
|
tr.write_eof.assert_called_with()
|
|
|
|
def test_close_closing(self):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
tr.write_eof = unittest.mock.Mock()
|
|
tr._closing = True
|
|
tr.close()
|
|
self.assertFalse(tr.write_eof.called)
|
|
|
|
def test_write_eof(self):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
|
|
tr.write_eof()
|
|
self.assertTrue(tr._closing)
|
|
self.assertFalse(self.loop.readers)
|
|
test_utils.run_briefly(self.loop)
|
|
self.protocol.connection_lost.assert_called_with(None)
|
|
|
|
def test_write_eof_pending(self):
|
|
tr = unix_events._UnixWritePipeTransport(
|
|
self.loop, self.pipe, self.protocol)
|
|
tr._buffer = [b'data']
|
|
tr.write_eof()
|
|
self.assertTrue(tr._closing)
|
|
self.assertFalse(self.protocol.connection_lost.called)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|