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3ca2b8fd75
atexit._run_exitfuncs() now logs callback exceptions using sys.unraisablehook, rather than logging them directly into sys.stderr and raising the last exception. Run GeneralTest of test_atexit in a subprocess since it calls atexit._clear() which clears all atexit callbacks. _PyAtExit_Fini() sets state->callbacks to NULL.
121 lines
3 KiB
Python
121 lines
3 KiB
Python
"""
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Tests run by test_atexit in a subprocess since it clears atexit callbacks.
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"""
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import atexit
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import sys
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import unittest
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from test import support
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class GeneralTest(unittest.TestCase):
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def setUp(self):
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atexit._clear()
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def tearDown(self):
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atexit._clear()
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def assert_raises_unraisable(self, exc_type, func, *args):
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with support.catch_unraisable_exception() as cm:
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atexit.register(func, *args)
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atexit._run_exitfuncs()
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self.assertEqual(cm.unraisable.object, func)
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self.assertEqual(cm.unraisable.exc_type, exc_type)
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self.assertEqual(type(cm.unraisable.exc_value), exc_type)
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def test_order(self):
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# Check that callbacks are called in reverse order with the expected
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# positional and keyword arguments.
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calls = []
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def func1(*args, **kwargs):
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calls.append(('func1', args, kwargs))
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def func2(*args, **kwargs):
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calls.append(('func2', args, kwargs))
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# be sure args are handled properly
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atexit.register(func1, 1, 2)
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atexit.register(func2)
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atexit.register(func2, 3, key="value")
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atexit._run_exitfuncs()
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self.assertEqual(calls,
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[('func2', (3,), {'key': 'value'}),
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('func2', (), {}),
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('func1', (1, 2), {})])
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def test_badargs(self):
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def func():
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pass
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# func() has no parameter, but it's called with 2 parameters
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self.assert_raises_unraisable(TypeError, func, 1 ,2)
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def test_raise(self):
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def raise_type_error():
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raise TypeError
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self.assert_raises_unraisable(TypeError, raise_type_error)
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def test_raise_unnormalized(self):
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# bpo-10756: Make sure that an unnormalized exception is handled
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# properly.
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def div_zero():
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1 / 0
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self.assert_raises_unraisable(ZeroDivisionError, div_zero)
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def test_exit(self):
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self.assert_raises_unraisable(SystemExit, sys.exit)
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def test_stress(self):
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a = [0]
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def inc():
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a[0] += 1
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for i in range(128):
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atexit.register(inc)
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atexit._run_exitfuncs()
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self.assertEqual(a[0], 128)
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def test_clear(self):
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a = [0]
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def inc():
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a[0] += 1
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atexit.register(inc)
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atexit._clear()
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atexit._run_exitfuncs()
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self.assertEqual(a[0], 0)
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def test_unregister(self):
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a = [0]
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def inc():
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a[0] += 1
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def dec():
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a[0] -= 1
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for i in range(4):
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atexit.register(inc)
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atexit.register(dec)
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atexit.unregister(inc)
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atexit._run_exitfuncs()
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self.assertEqual(a[0], -1)
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def test_bound_methods(self):
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l = []
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atexit.register(l.append, 5)
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atexit._run_exitfuncs()
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self.assertEqual(l, [5])
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atexit.unregister(l.append)
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atexit._run_exitfuncs()
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self.assertEqual(l, [5])
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if __name__ == "__main__":
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unittest.main()
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