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Issue #25210: Add some basic tests for the new exception message

This commit is contained in:
Berker Peksag 2015-10-22 07:49:36 +03:00
parent c2a753a56c
commit 6a4d52e865
1 changed files with 25 additions and 0 deletions
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25
Lib/test/test_richcmp.py
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@ -253,6 +253,31 @@ class MiscTest(unittest.TestCase):
self.assertTrue(a != b)
self.assertTrue(a < b)
def test_exception_message(self):
class Spam:
pass
tests = [
(lambda: 42 < None, r"'<' .* of 'int' and 'NoneType'"),
(lambda: None < 42, r"'<' .* of 'NoneType' and 'int'"),
(lambda: 42 > None, r"'>' .* of 'int' and 'NoneType'"),
(lambda: "foo" < None, r"'<' .* of 'str' and 'NoneType'"),
(lambda: "foo" >= 666, r"'>=' .* of 'str' and 'int'"),
(lambda: 42 <= None, r"'<=' .* of 'int' and 'NoneType'"),
(lambda: 42 >= None, r"'>=' .* of 'int' and 'NoneType'"),
(lambda: 42 < [], r"'<' .* of 'int' and 'list'"),
(lambda: () > [], r"'>' .* of 'tuple' and 'list'"),
(lambda: None >= None, r"'>=' .* of 'NoneType' and 'NoneType'"),
(lambda: Spam() < 42, r"'<' .* of 'Spam' and 'int'"),
(lambda: 42 < Spam(), r"'<' .* of 'int' and 'Spam'"),
(lambda: Spam() <= Spam(), r"'<=' .* of 'Spam' and 'Spam'"),
]
for i, test in enumerate(tests):
with self.subTest(test=i):
with self.assertRaisesRegex(TypeError, test[1]):
test[0]()
class DictTest(unittest.TestCase):
def test_dicts(self):