R David Murray | 32a23c3 | 2013-04-19 22:15:26 -0400 | [diff] [blame] | 1 | import keyword |
| 2 | import unittest |
R David Murray | 32a23c3 | 2013-04-19 22:15:26 -0400 | [diff] [blame] | 3 | |
| 4 | |
| 5 | class Test_iskeyword(unittest.TestCase): |
| 6 | def test_true_is_a_keyword(self): |
| 7 | self.assertTrue(keyword.iskeyword('True')) |
| 8 | |
| 9 | def test_uppercase_true_is_not_a_keyword(self): |
| 10 | self.assertFalse(keyword.iskeyword('TRUE')) |
| 11 | |
| 12 | def test_none_value_is_not_a_keyword(self): |
| 13 | self.assertFalse(keyword.iskeyword(None)) |
| 14 | |
| 15 | # This is probably an accident of the current implementation, but should be |
| 16 | # preserved for backward compatibility. |
| 17 | def test_changing_the_kwlist_does_not_affect_iskeyword(self): |
R David Murray | 87e984c | 2013-04-19 22:38:58 -0400 | [diff] [blame] | 18 | oldlist = keyword.kwlist |
R David Murray | f0f7cea | 2013-04-25 12:01:36 -0400 | [diff] [blame] | 19 | self.addCleanup(setattr, keyword, 'kwlist', oldlist) |
R David Murray | 32a23c3 | 2013-04-19 22:15:26 -0400 | [diff] [blame] | 20 | keyword.kwlist = ['its', 'all', 'eggs', 'beans', 'and', 'a', 'slice'] |
| 21 | self.assertFalse(keyword.iskeyword('eggs')) |
| 22 | |
Pablo Galindo | 91759d9 | 2019-03-25 22:01:12 +0000 | [diff] [blame] | 23 | def test_all_keywords_fail_to_be_used_as_names(self): |
| 24 | for key in keyword.kwlist: |
| 25 | with self.assertRaises(SyntaxError): |
| 26 | exec(f"{key} = 42") |
R David Murray | 32a23c3 | 2013-04-19 22:15:26 -0400 | [diff] [blame] | 27 | |
Pablo Galindo | 91759d9 | 2019-03-25 22:01:12 +0000 | [diff] [blame] | 28 | def test_async_and_await_are_keywords(self): |
| 29 | self.assertIn("async", keyword.kwlist) |
| 30 | self.assertIn("await", keyword.kwlist) |
R David Murray | 32a23c3 | 2013-04-19 22:15:26 -0400 | [diff] [blame] | 31 | |
Pablo Galindo | 91759d9 | 2019-03-25 22:01:12 +0000 | [diff] [blame] | 32 | def test_keywords_are_sorted(self): |
| 33 | self.assertListEqual(sorted(keyword.kwlist), keyword.kwlist) |
R David Murray | 32a23c3 | 2013-04-19 22:15:26 -0400 | [diff] [blame] | 34 | |
| 35 | |
| 36 | if __name__ == "__main__": |
| 37 | unittest.main() |