95 lines
2.4 KiB
Python
95 lines
2.4 KiB
Python
import sys
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import unittest
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import StringIO
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import atexit
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from imp import reload
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from test import test_support
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def exit():
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raise SystemExit
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class TestCase(unittest.TestCase):
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def setUp(self):
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self.save_stdout = sys.stdout
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self.save_stderr = sys.stderr
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self.stream = StringIO.StringIO()
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sys.stdout = sys.stderr = self.subst_io = self.stream
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self.save_handlers = atexit._exithandlers
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atexit._exithandlers = []
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def tearDown(self):
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sys.stdout = self.save_stdout
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sys.stderr = self.save_stderr
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atexit._exithandlers = self.save_handlers
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def test_args(self):
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atexit.register(self.h1)
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atexit.register(self.h4)
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atexit.register(self.h4, 4, kw="abc")
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atexit._run_exitfuncs()
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self.assertEqual(self.subst_io.getvalue(),
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"h4 (4,) {'kw': 'abc'}\nh4 () {}\nh1\n")
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def test_badargs(self):
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atexit.register(lambda: 1, 0, 0, (x for x in (1,2)), 0, 0)
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self.assertRaises(TypeError, atexit._run_exitfuncs)
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def test_order(self):
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atexit.register(self.h1)
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atexit.register(self.h2)
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atexit.register(self.h3)
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atexit._run_exitfuncs()
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self.assertEqual(self.subst_io.getvalue(), "h3\nh2\nh1\n")
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def test_sys_override(self):
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# be sure a preset sys.exitfunc is handled properly
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exfunc = sys.exitfunc
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sys.exitfunc = self.h1
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reload(atexit)
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try:
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atexit.register(self.h2)
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atexit._run_exitfuncs()
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finally:
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sys.exitfunc = exfunc
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self.assertEqual(self.subst_io.getvalue(), "h2\nh1\n")
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def test_raise(self):
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atexit.register(self.raise1)
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atexit.register(self.raise2)
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self.assertRaises(TypeError, atexit._run_exitfuncs)
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def test_exit(self):
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# be sure a SystemExit is handled properly
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atexit.register(exit)
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self.assertRaises(SystemExit, atexit._run_exitfuncs)
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self.assertEqual(self.stream.getvalue(), '')
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### helpers
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def h1(self):
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print "h1"
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def h2(self):
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print "h2"
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def h3(self):
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print "h3"
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def h4(self, *args, **kwargs):
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print "h4", args, kwargs
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def raise1(self):
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raise TypeError
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def raise2(self):
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raise SystemError
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def test_main():
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test_support.run_unittest(TestCase)
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if __name__ == "__main__":
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test_main()
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