Merged revisions 77088 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r77088 | georg.brandl | 2009-12-28 09:34:58 +0100 (Mo, 28 Dez 2009) | 1 line

  #7033: add new API function PyErr_NewExceptionWithDoc, for easily giving new exceptions a docstring.
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This commit is contained in:
Georg Brandl 2009-12-28 08:41:01 +00:00
parent 127d47092a
commit 1e28a27f84
7 changed files with 118 additions and 2 deletions

View file

@ -618,6 +618,46 @@ class ExceptionTests(unittest.TestCase):
tb2 = raiseMemError()
self.assertEqual(tb1, tb2)
def test_exception_with_doc(self):
import _testcapi
doc2 = "This is a test docstring."
doc4 = "This is another test docstring."
self.assertRaises(SystemError, _testcapi.make_exception_with_doc,
"error1")
# test basic usage of PyErr_NewException
error1 = _testcapi.make_exception_with_doc("_testcapi.error1")
self.assertIs(type(error1), type)
self.assertTrue(issubclass(error1, Exception))
self.assertIsNone(error1.__doc__)
# test with given docstring
error2 = _testcapi.make_exception_with_doc("_testcapi.error2", doc2)
self.assertEqual(error2.__doc__, doc2)
# test with explicit base (without docstring)
error3 = _testcapi.make_exception_with_doc("_testcapi.error3",
base=error2)
self.assertTrue(issubclass(error3, error2))
# test with explicit base tuple
class C(object):
pass
error4 = _testcapi.make_exception_with_doc("_testcapi.error4", doc4,
(error3, C))
self.assertTrue(issubclass(error4, error3))
self.assertTrue(issubclass(error4, C))
self.assertEqual(error4.__doc__, doc4)
# test with explicit dictionary
error5 = _testcapi.make_exception_with_doc("_testcapi.error5", "",
error4, {'a': 1})
self.assertTrue(issubclass(error5, error4))
self.assertEqual(error5.a, 1)
self.assertEqual(error5.__doc__, "")
def test_main():
run_unittest(ExceptionTests)