| 1 | n/a | import signal |
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| 2 | n/a | import sys |
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| 3 | n/a | import unittest |
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| 4 | n/a | import warnings |
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| 5 | n/a | from unittest import mock |
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| 6 | n/a | |
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| 7 | n/a | import asyncio |
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| 8 | n/a | from asyncio import base_subprocess |
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| 9 | n/a | from asyncio import subprocess |
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| 10 | n/a | from asyncio import test_utils |
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| 11 | n/a | try: |
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| 12 | n/a | from test import support |
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| 13 | n/a | except ImportError: |
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| 14 | n/a | from asyncio import test_support as support |
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| 15 | n/a | if sys.platform != 'win32': |
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| 16 | n/a | from asyncio import unix_events |
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| 17 | n/a | |
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| 18 | n/a | # Program blocking |
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| 19 | n/a | PROGRAM_BLOCKED = [sys.executable, '-c', 'import time; time.sleep(3600)'] |
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| 20 | n/a | |
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| 21 | n/a | # Program copying input to output |
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| 22 | n/a | PROGRAM_CAT = [ |
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| 23 | n/a | sys.executable, '-c', |
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| 24 | n/a | ';'.join(('import sys', |
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| 25 | n/a | 'data = sys.stdin.buffer.read()', |
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| 26 | n/a | 'sys.stdout.buffer.write(data)'))] |
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| 27 | n/a | |
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| 28 | n/a | class TestSubprocessTransport(base_subprocess.BaseSubprocessTransport): |
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| 29 | n/a | def _start(self, *args, **kwargs): |
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| 30 | n/a | self._proc = mock.Mock() |
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| 31 | n/a | self._proc.stdin = None |
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| 32 | n/a | self._proc.stdout = None |
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| 33 | n/a | self._proc.stderr = None |
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| 34 | n/a | |
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| 35 | n/a | |
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| 36 | n/a | class SubprocessTransportTests(test_utils.TestCase): |
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| 37 | n/a | def setUp(self): |
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| 38 | n/a | super().setUp() |
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| 39 | n/a | self.loop = self.new_test_loop() |
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| 40 | n/a | self.set_event_loop(self.loop) |
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| 41 | n/a | |
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| 42 | n/a | |
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| 43 | n/a | def create_transport(self, waiter=None): |
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| 44 | n/a | protocol = mock.Mock() |
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| 45 | n/a | protocol.connection_made._is_coroutine = False |
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| 46 | n/a | protocol.process_exited._is_coroutine = False |
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| 47 | n/a | transport = TestSubprocessTransport( |
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| 48 | n/a | self.loop, protocol, ['test'], False, |
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| 49 | n/a | None, None, None, 0, waiter=waiter) |
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| 50 | n/a | return (transport, protocol) |
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| 51 | n/a | |
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| 52 | n/a | def test_proc_exited(self): |
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| 53 | n/a | waiter = asyncio.Future(loop=self.loop) |
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| 54 | n/a | transport, protocol = self.create_transport(waiter) |
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| 55 | n/a | transport._process_exited(6) |
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| 56 | n/a | self.loop.run_until_complete(waiter) |
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| 57 | n/a | |
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| 58 | n/a | self.assertEqual(transport.get_returncode(), 6) |
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| 59 | n/a | |
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| 60 | n/a | self.assertTrue(protocol.connection_made.called) |
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| 61 | n/a | self.assertTrue(protocol.process_exited.called) |
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| 62 | n/a | self.assertTrue(protocol.connection_lost.called) |
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| 63 | n/a | self.assertEqual(protocol.connection_lost.call_args[0], (None,)) |
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| 64 | n/a | |
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| 65 | n/a | self.assertFalse(transport.is_closing()) |
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| 66 | n/a | self.assertIsNone(transport._loop) |
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| 67 | n/a | self.assertIsNone(transport._proc) |
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| 68 | n/a | self.assertIsNone(transport._protocol) |
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| 69 | n/a | |
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| 70 | n/a | # methods must raise ProcessLookupError if the process exited |
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| 71 | n/a | self.assertRaises(ProcessLookupError, |
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| 72 | n/a | transport.send_signal, signal.SIGTERM) |
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| 73 | n/a | self.assertRaises(ProcessLookupError, transport.terminate) |
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| 74 | n/a | self.assertRaises(ProcessLookupError, transport.kill) |
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| 75 | n/a | |
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| 76 | n/a | transport.close() |
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| 77 | n/a | |
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| 78 | n/a | |
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| 79 | n/a | class SubprocessMixin: |
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| 80 | n/a | |
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| 81 | n/a | def test_stdin_stdout(self): |
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| 82 | n/a | args = PROGRAM_CAT |
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| 83 | n/a | |
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| 84 | n/a | @asyncio.coroutine |
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| 85 | n/a | def run(data): |
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| 86 | n/a | proc = yield from asyncio.create_subprocess_exec( |
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| 87 | n/a | *args, |
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| 88 | n/a | stdin=subprocess.PIPE, |
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| 89 | n/a | stdout=subprocess.PIPE, |
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| 90 | n/a | loop=self.loop) |
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| 91 | n/a | |
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| 92 | n/a | # feed data |
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| 93 | n/a | proc.stdin.write(data) |
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| 94 | n/a | yield from proc.stdin.drain() |
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| 95 | n/a | proc.stdin.close() |
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| 96 | n/a | |
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| 97 | n/a | # get output and exitcode |
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| 98 | n/a | data = yield from proc.stdout.read() |
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| 99 | n/a | exitcode = yield from proc.wait() |
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| 100 | n/a | return (exitcode, data) |
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| 101 | n/a | |
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| 102 | n/a | task = run(b'some data') |
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| 103 | n/a | task = asyncio.wait_for(task, 60.0, loop=self.loop) |
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| 104 | n/a | exitcode, stdout = self.loop.run_until_complete(task) |
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| 105 | n/a | self.assertEqual(exitcode, 0) |
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| 106 | n/a | self.assertEqual(stdout, b'some data') |
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| 107 | n/a | |
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| 108 | n/a | def test_communicate(self): |
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| 109 | n/a | args = PROGRAM_CAT |
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| 110 | n/a | |
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| 111 | n/a | @asyncio.coroutine |
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| 112 | n/a | def run(data): |
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| 113 | n/a | proc = yield from asyncio.create_subprocess_exec( |
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| 114 | n/a | *args, |
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| 115 | n/a | stdin=subprocess.PIPE, |
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| 116 | n/a | stdout=subprocess.PIPE, |
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| 117 | n/a | loop=self.loop) |
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| 118 | n/a | stdout, stderr = yield from proc.communicate(data) |
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| 119 | n/a | return proc.returncode, stdout |
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| 120 | n/a | |
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| 121 | n/a | task = run(b'some data') |
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| 122 | n/a | task = asyncio.wait_for(task, 60.0, loop=self.loop) |
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| 123 | n/a | exitcode, stdout = self.loop.run_until_complete(task) |
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| 124 | n/a | self.assertEqual(exitcode, 0) |
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| 125 | n/a | self.assertEqual(stdout, b'some data') |
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| 126 | n/a | |
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| 127 | n/a | def test_shell(self): |
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| 128 | n/a | create = asyncio.create_subprocess_shell('exit 7', |
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| 129 | n/a | loop=self.loop) |
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| 130 | n/a | proc = self.loop.run_until_complete(create) |
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| 131 | n/a | exitcode = self.loop.run_until_complete(proc.wait()) |
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| 132 | n/a | self.assertEqual(exitcode, 7) |
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| 133 | n/a | |
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| 134 | n/a | def test_start_new_session(self): |
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| 135 | n/a | # start the new process in a new session |
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| 136 | n/a | create = asyncio.create_subprocess_shell('exit 8', |
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| 137 | n/a | start_new_session=True, |
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| 138 | n/a | loop=self.loop) |
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| 139 | n/a | proc = self.loop.run_until_complete(create) |
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| 140 | n/a | exitcode = self.loop.run_until_complete(proc.wait()) |
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| 141 | n/a | self.assertEqual(exitcode, 8) |
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| 142 | n/a | |
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| 143 | n/a | def test_kill(self): |
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| 144 | n/a | args = PROGRAM_BLOCKED |
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| 145 | n/a | create = asyncio.create_subprocess_exec(*args, loop=self.loop) |
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| 146 | n/a | proc = self.loop.run_until_complete(create) |
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| 147 | n/a | proc.kill() |
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| 148 | n/a | returncode = self.loop.run_until_complete(proc.wait()) |
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| 149 | n/a | if sys.platform == 'win32': |
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| 150 | n/a | self.assertIsInstance(returncode, int) |
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| 151 | n/a | # expect 1 but sometimes get 0 |
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| 152 | n/a | else: |
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| 153 | n/a | self.assertEqual(-signal.SIGKILL, returncode) |
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| 154 | n/a | |
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| 155 | n/a | def test_terminate(self): |
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| 156 | n/a | args = PROGRAM_BLOCKED |
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| 157 | n/a | create = asyncio.create_subprocess_exec(*args, loop=self.loop) |
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| 158 | n/a | proc = self.loop.run_until_complete(create) |
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| 159 | n/a | proc.terminate() |
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| 160 | n/a | returncode = self.loop.run_until_complete(proc.wait()) |
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| 161 | n/a | if sys.platform == 'win32': |
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| 162 | n/a | self.assertIsInstance(returncode, int) |
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| 163 | n/a | # expect 1 but sometimes get 0 |
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| 164 | n/a | else: |
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| 165 | n/a | self.assertEqual(-signal.SIGTERM, returncode) |
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| 166 | n/a | |
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| 167 | n/a | @unittest.skipIf(sys.platform == 'win32', "Don't have SIGHUP") |
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| 168 | n/a | def test_send_signal(self): |
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| 169 | n/a | code = 'import time; print("sleeping", flush=True); time.sleep(3600)' |
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| 170 | n/a | args = [sys.executable, '-c', code] |
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| 171 | n/a | create = asyncio.create_subprocess_exec(*args, |
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| 172 | n/a | stdout=subprocess.PIPE, |
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| 173 | n/a | loop=self.loop) |
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| 174 | n/a | proc = self.loop.run_until_complete(create) |
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| 175 | n/a | |
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| 176 | n/a | @asyncio.coroutine |
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| 177 | n/a | def send_signal(proc): |
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| 178 | n/a | # basic synchronization to wait until the program is sleeping |
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| 179 | n/a | line = yield from proc.stdout.readline() |
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| 180 | n/a | self.assertEqual(line, b'sleeping\n') |
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| 181 | n/a | |
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| 182 | n/a | proc.send_signal(signal.SIGHUP) |
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| 183 | n/a | returncode = (yield from proc.wait()) |
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| 184 | n/a | return returncode |
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| 185 | n/a | |
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| 186 | n/a | returncode = self.loop.run_until_complete(send_signal(proc)) |
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| 187 | n/a | self.assertEqual(-signal.SIGHUP, returncode) |
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| 188 | n/a | |
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| 189 | n/a | def prepare_broken_pipe_test(self): |
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| 190 | n/a | # buffer large enough to feed the whole pipe buffer |
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| 191 | n/a | large_data = b'x' * support.PIPE_MAX_SIZE |
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| 192 | n/a | |
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| 193 | n/a | # the program ends before the stdin can be feeded |
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| 194 | n/a | create = asyncio.create_subprocess_exec( |
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| 195 | n/a | sys.executable, '-c', 'pass', |
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| 196 | n/a | stdin=subprocess.PIPE, |
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| 197 | n/a | loop=self.loop) |
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| 198 | n/a | proc = self.loop.run_until_complete(create) |
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| 199 | n/a | return (proc, large_data) |
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| 200 | n/a | |
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| 201 | n/a | def test_stdin_broken_pipe(self): |
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| 202 | n/a | proc, large_data = self.prepare_broken_pipe_test() |
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| 203 | n/a | |
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| 204 | n/a | @asyncio.coroutine |
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| 205 | n/a | def write_stdin(proc, data): |
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| 206 | n/a | proc.stdin.write(data) |
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| 207 | n/a | yield from proc.stdin.drain() |
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| 208 | n/a | |
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| 209 | n/a | coro = write_stdin(proc, large_data) |
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| 210 | n/a | # drain() must raise BrokenPipeError or ConnectionResetError |
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| 211 | n/a | with test_utils.disable_logger(): |
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| 212 | n/a | self.assertRaises((BrokenPipeError, ConnectionResetError), |
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| 213 | n/a | self.loop.run_until_complete, coro) |
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| 214 | n/a | self.loop.run_until_complete(proc.wait()) |
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| 215 | n/a | |
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| 216 | n/a | def test_communicate_ignore_broken_pipe(self): |
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| 217 | n/a | proc, large_data = self.prepare_broken_pipe_test() |
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| 218 | n/a | |
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| 219 | n/a | # communicate() must ignore BrokenPipeError when feeding stdin |
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| 220 | n/a | with test_utils.disable_logger(): |
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| 221 | n/a | self.loop.run_until_complete(proc.communicate(large_data)) |
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| 222 | n/a | self.loop.run_until_complete(proc.wait()) |
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| 223 | n/a | |
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| 224 | n/a | def test_pause_reading(self): |
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| 225 | n/a | limit = 10 |
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| 226 | n/a | size = (limit * 2 + 1) |
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| 227 | n/a | |
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| 228 | n/a | @asyncio.coroutine |
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| 229 | n/a | def test_pause_reading(): |
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| 230 | n/a | code = '\n'.join(( |
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| 231 | n/a | 'import sys', |
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| 232 | n/a | 'sys.stdout.write("x" * %s)' % size, |
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| 233 | n/a | 'sys.stdout.flush()', |
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| 234 | n/a | )) |
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| 235 | n/a | |
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| 236 | n/a | connect_read_pipe = self.loop.connect_read_pipe |
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| 237 | n/a | |
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| 238 | n/a | @asyncio.coroutine |
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| 239 | n/a | def connect_read_pipe_mock(*args, **kw): |
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| 240 | n/a | transport, protocol = yield from connect_read_pipe(*args, **kw) |
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| 241 | n/a | transport.pause_reading = mock.Mock() |
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| 242 | n/a | transport.resume_reading = mock.Mock() |
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| 243 | n/a | return (transport, protocol) |
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| 244 | n/a | |
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| 245 | n/a | self.loop.connect_read_pipe = connect_read_pipe_mock |
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| 246 | n/a | |
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| 247 | n/a | proc = yield from asyncio.create_subprocess_exec( |
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| 248 | n/a | sys.executable, '-c', code, |
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| 249 | n/a | stdin=asyncio.subprocess.PIPE, |
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| 250 | n/a | stdout=asyncio.subprocess.PIPE, |
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| 251 | n/a | limit=limit, |
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| 252 | n/a | loop=self.loop) |
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| 253 | n/a | stdout_transport = proc._transport.get_pipe_transport(1) |
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| 254 | n/a | |
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| 255 | n/a | stdout, stderr = yield from proc.communicate() |
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| 256 | n/a | |
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| 257 | n/a | # The child process produced more than limit bytes of output, |
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| 258 | n/a | # the stream reader transport should pause the protocol to not |
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| 259 | n/a | # allocate too much memory. |
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| 260 | n/a | return (stdout, stdout_transport) |
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| 261 | n/a | |
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| 262 | n/a | # Issue #22685: Ensure that the stream reader pauses the protocol |
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| 263 | n/a | # when the child process produces too much data |
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| 264 | n/a | stdout, transport = self.loop.run_until_complete(test_pause_reading()) |
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| 265 | n/a | |
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| 266 | n/a | self.assertEqual(stdout, b'x' * size) |
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| 267 | n/a | self.assertTrue(transport.pause_reading.called) |
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| 268 | n/a | self.assertTrue(transport.resume_reading.called) |
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| 269 | n/a | |
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| 270 | n/a | def test_stdin_not_inheritable(self): |
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| 271 | n/a | # asyncio issue #209: stdin must not be inheritable, otherwise |
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| 272 | n/a | # the Process.communicate() hangs |
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| 273 | n/a | @asyncio.coroutine |
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| 274 | n/a | def len_message(message): |
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| 275 | n/a | code = 'import sys; data = sys.stdin.read(); print(len(data))' |
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| 276 | n/a | proc = yield from asyncio.create_subprocess_exec( |
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| 277 | n/a | sys.executable, '-c', code, |
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| 278 | n/a | stdin=asyncio.subprocess.PIPE, |
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| 279 | n/a | stdout=asyncio.subprocess.PIPE, |
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| 280 | n/a | stderr=asyncio.subprocess.PIPE, |
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| 281 | n/a | close_fds=False, |
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| 282 | n/a | loop=self.loop) |
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| 283 | n/a | stdout, stderr = yield from proc.communicate(message) |
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| 284 | n/a | exitcode = yield from proc.wait() |
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| 285 | n/a | return (stdout, exitcode) |
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| 286 | n/a | |
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| 287 | n/a | output, exitcode = self.loop.run_until_complete(len_message(b'abc')) |
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| 288 | n/a | self.assertEqual(output.rstrip(), b'3') |
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| 289 | n/a | self.assertEqual(exitcode, 0) |
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| 290 | n/a | |
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| 291 | n/a | def test_empty_input(self): |
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| 292 | n/a | @asyncio.coroutine |
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| 293 | n/a | def empty_input(): |
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| 294 | n/a | code = 'import sys; data = sys.stdin.read(); print(len(data))' |
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| 295 | n/a | proc = yield from asyncio.create_subprocess_exec( |
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| 296 | n/a | sys.executable, '-c', code, |
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| 297 | n/a | stdin=asyncio.subprocess.PIPE, |
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| 298 | n/a | stdout=asyncio.subprocess.PIPE, |
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| 299 | n/a | stderr=asyncio.subprocess.PIPE, |
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| 300 | n/a | close_fds=False, |
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| 301 | n/a | loop=self.loop) |
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| 302 | n/a | stdout, stderr = yield from proc.communicate(b'') |
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| 303 | n/a | exitcode = yield from proc.wait() |
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| 304 | n/a | return (stdout, exitcode) |
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| 305 | n/a | |
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| 306 | n/a | output, exitcode = self.loop.run_until_complete(empty_input()) |
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| 307 | n/a | self.assertEqual(output.rstrip(), b'0') |
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| 308 | n/a | self.assertEqual(exitcode, 0) |
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| 309 | n/a | |
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| 310 | n/a | def test_cancel_process_wait(self): |
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| 311 | n/a | # Issue #23140: cancel Process.wait() |
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| 312 | n/a | |
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| 313 | n/a | @asyncio.coroutine |
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| 314 | n/a | def cancel_wait(): |
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| 315 | n/a | proc = yield from asyncio.create_subprocess_exec( |
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| 316 | n/a | *PROGRAM_BLOCKED, |
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| 317 | n/a | loop=self.loop) |
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| 318 | n/a | |
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| 319 | n/a | # Create an internal future waiting on the process exit |
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| 320 | n/a | task = self.loop.create_task(proc.wait()) |
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| 321 | n/a | self.loop.call_soon(task.cancel) |
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| 322 | n/a | try: |
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| 323 | n/a | yield from task |
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| 324 | n/a | except asyncio.CancelledError: |
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| 325 | n/a | pass |
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| 326 | n/a | |
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| 327 | n/a | # Cancel the future |
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| 328 | n/a | task.cancel() |
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| 329 | n/a | |
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| 330 | n/a | # Kill the process and wait until it is done |
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| 331 | n/a | proc.kill() |
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| 332 | n/a | yield from proc.wait() |
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| 333 | n/a | |
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| 334 | n/a | self.loop.run_until_complete(cancel_wait()) |
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| 335 | n/a | |
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| 336 | n/a | def test_cancel_make_subprocess_transport_exec(self): |
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| 337 | n/a | @asyncio.coroutine |
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| 338 | n/a | def cancel_make_transport(): |
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| 339 | n/a | coro = asyncio.create_subprocess_exec(*PROGRAM_BLOCKED, |
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| 340 | n/a | loop=self.loop) |
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| 341 | n/a | task = self.loop.create_task(coro) |
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| 342 | n/a | |
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| 343 | n/a | self.loop.call_soon(task.cancel) |
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| 344 | n/a | try: |
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| 345 | n/a | yield from task |
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| 346 | n/a | except asyncio.CancelledError: |
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| 347 | n/a | pass |
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| 348 | n/a | |
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| 349 | n/a | # ignore the log: |
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| 350 | n/a | # "Exception during subprocess creation, kill the subprocess" |
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| 351 | n/a | with test_utils.disable_logger(): |
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| 352 | n/a | self.loop.run_until_complete(cancel_make_transport()) |
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| 353 | n/a | |
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| 354 | n/a | def test_cancel_post_init(self): |
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| 355 | n/a | @asyncio.coroutine |
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| 356 | n/a | def cancel_make_transport(): |
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| 357 | n/a | coro = self.loop.subprocess_exec(asyncio.SubprocessProtocol, |
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| 358 | n/a | *PROGRAM_BLOCKED) |
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| 359 | n/a | task = self.loop.create_task(coro) |
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| 360 | n/a | |
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| 361 | n/a | self.loop.call_soon(task.cancel) |
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| 362 | n/a | try: |
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| 363 | n/a | yield from task |
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| 364 | n/a | except asyncio.CancelledError: |
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| 365 | n/a | pass |
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| 366 | n/a | |
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| 367 | n/a | # ignore the log: |
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| 368 | n/a | # "Exception during subprocess creation, kill the subprocess" |
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| 369 | n/a | with test_utils.disable_logger(): |
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| 370 | n/a | self.loop.run_until_complete(cancel_make_transport()) |
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| 371 | n/a | test_utils.run_briefly(self.loop) |
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| 372 | n/a | |
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| 373 | n/a | def test_close_kill_running(self): |
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| 374 | n/a | @asyncio.coroutine |
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| 375 | n/a | def kill_running(): |
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| 376 | n/a | create = self.loop.subprocess_exec(asyncio.SubprocessProtocol, |
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| 377 | n/a | *PROGRAM_BLOCKED) |
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| 378 | n/a | transport, protocol = yield from create |
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| 379 | n/a | |
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| 380 | n/a | kill_called = False |
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| 381 | n/a | def kill(): |
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| 382 | n/a | nonlocal kill_called |
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| 383 | n/a | kill_called = True |
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| 384 | n/a | orig_kill() |
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| 385 | n/a | |
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| 386 | n/a | proc = transport.get_extra_info('subprocess') |
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| 387 | n/a | orig_kill = proc.kill |
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| 388 | n/a | proc.kill = kill |
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| 389 | n/a | returncode = transport.get_returncode() |
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| 390 | n/a | transport.close() |
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| 391 | n/a | yield from transport._wait() |
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| 392 | n/a | return (returncode, kill_called) |
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| 393 | n/a | |
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| 394 | n/a | # Ignore "Close running child process: kill ..." log |
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| 395 | n/a | with test_utils.disable_logger(): |
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| 396 | n/a | returncode, killed = self.loop.run_until_complete(kill_running()) |
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| 397 | n/a | self.assertIsNone(returncode) |
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| 398 | n/a | |
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| 399 | n/a | # transport.close() must kill the process if it is still running |
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| 400 | n/a | self.assertTrue(killed) |
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| 401 | n/a | test_utils.run_briefly(self.loop) |
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| 402 | n/a | |
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| 403 | n/a | def test_close_dont_kill_finished(self): |
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| 404 | n/a | @asyncio.coroutine |
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| 405 | n/a | def kill_running(): |
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| 406 | n/a | create = self.loop.subprocess_exec(asyncio.SubprocessProtocol, |
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| 407 | n/a | *PROGRAM_BLOCKED) |
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| 408 | n/a | transport, protocol = yield from create |
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| 409 | n/a | proc = transport.get_extra_info('subprocess') |
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| 410 | n/a | |
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| 411 | n/a | # kill the process (but asyncio is not notified immediately) |
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| 412 | n/a | proc.kill() |
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| 413 | n/a | proc.wait() |
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| 414 | n/a | |
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| 415 | n/a | proc.kill = mock.Mock() |
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| 416 | n/a | proc_returncode = proc.poll() |
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| 417 | n/a | transport_returncode = transport.get_returncode() |
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| 418 | n/a | transport.close() |
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| 419 | n/a | return (proc_returncode, transport_returncode, proc.kill.called) |
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| 420 | n/a | |
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| 421 | n/a | # Ignore "Unknown child process pid ..." log of SafeChildWatcher, |
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| 422 | n/a | # emitted because the test already consumes the exit status: |
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| 423 | n/a | # proc.wait() |
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| 424 | n/a | with test_utils.disable_logger(): |
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| 425 | n/a | result = self.loop.run_until_complete(kill_running()) |
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| 426 | n/a | test_utils.run_briefly(self.loop) |
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| 427 | n/a | |
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| 428 | n/a | proc_returncode, transport_return_code, killed = result |
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| 429 | n/a | |
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| 430 | n/a | self.assertIsNotNone(proc_returncode) |
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| 431 | n/a | self.assertIsNone(transport_return_code) |
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| 432 | n/a | |
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| 433 | n/a | # transport.close() must not kill the process if it finished, even if |
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| 434 | n/a | # the transport was not notified yet |
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| 435 | n/a | self.assertFalse(killed) |
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| 436 | n/a | |
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| 437 | n/a | # Unlike SafeChildWatcher, FastChildWatcher does not pop the |
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| 438 | n/a | # callbacks if waitpid() is called elsewhere. Let's clear them |
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| 439 | n/a | # manually to avoid a warning when the watcher is detached. |
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| 440 | n/a | if sys.platform != 'win32' and \ |
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| 441 | n/a | isinstance(self, SubprocessFastWatcherTests): |
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| 442 | n/a | asyncio.get_child_watcher()._callbacks.clear() |
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| 443 | n/a | |
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| 444 | n/a | def test_popen_error(self): |
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| 445 | n/a | # Issue #24763: check that the subprocess transport is closed |
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| 446 | n/a | # when BaseSubprocessTransport fails |
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| 447 | n/a | if sys.platform == 'win32': |
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| 448 | n/a | target = 'asyncio.windows_utils.Popen' |
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| 449 | n/a | else: |
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| 450 | n/a | target = 'subprocess.Popen' |
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| 451 | n/a | with mock.patch(target) as popen: |
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| 452 | n/a | exc = ZeroDivisionError |
|---|
| 453 | n/a | popen.side_effect = exc |
|---|
| 454 | n/a | |
|---|
| 455 | n/a | create = asyncio.create_subprocess_exec(sys.executable, '-c', |
|---|
| 456 | n/a | 'pass', loop=self.loop) |
|---|
| 457 | n/a | with warnings.catch_warnings(record=True) as warns: |
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| 458 | n/a | with self.assertRaises(exc): |
|---|
| 459 | n/a | self.loop.run_until_complete(create) |
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| 460 | n/a | self.assertEqual(warns, []) |
|---|
| 461 | n/a | |
|---|
| 462 | n/a | |
|---|
| 463 | n/a | if sys.platform != 'win32': |
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| 464 | n/a | # Unix |
|---|
| 465 | n/a | class SubprocessWatcherMixin(SubprocessMixin): |
|---|
| 466 | n/a | |
|---|
| 467 | n/a | Watcher = None |
|---|
| 468 | n/a | |
|---|
| 469 | n/a | def setUp(self): |
|---|
| 470 | n/a | super().setUp() |
|---|
| 471 | n/a | policy = asyncio.get_event_loop_policy() |
|---|
| 472 | n/a | self.loop = policy.new_event_loop() |
|---|
| 473 | n/a | self.set_event_loop(self.loop) |
|---|
| 474 | n/a | |
|---|
| 475 | n/a | watcher = self.Watcher() |
|---|
| 476 | n/a | watcher.attach_loop(self.loop) |
|---|
| 477 | n/a | policy.set_child_watcher(watcher) |
|---|
| 478 | n/a | self.addCleanup(policy.set_child_watcher, None) |
|---|
| 479 | n/a | |
|---|
| 480 | n/a | class SubprocessSafeWatcherTests(SubprocessWatcherMixin, |
|---|
| 481 | n/a | test_utils.TestCase): |
|---|
| 482 | n/a | |
|---|
| 483 | n/a | Watcher = unix_events.SafeChildWatcher |
|---|
| 484 | n/a | |
|---|
| 485 | n/a | class SubprocessFastWatcherTests(SubprocessWatcherMixin, |
|---|
| 486 | n/a | test_utils.TestCase): |
|---|
| 487 | n/a | |
|---|
| 488 | n/a | Watcher = unix_events.FastChildWatcher |
|---|
| 489 | n/a | |
|---|
| 490 | n/a | else: |
|---|
| 491 | n/a | # Windows |
|---|
| 492 | n/a | class SubprocessProactorTests(SubprocessMixin, test_utils.TestCase): |
|---|
| 493 | n/a | |
|---|
| 494 | n/a | def setUp(self): |
|---|
| 495 | n/a | super().setUp() |
|---|
| 496 | n/a | self.loop = asyncio.ProactorEventLoop() |
|---|
| 497 | n/a | self.set_event_loop(self.loop) |
|---|
| 498 | n/a | |
|---|
| 499 | n/a | |
|---|
| 500 | n/a | if __name__ == '__main__': |
|---|
| 501 | n/a | unittest.main() |
|---|
