1  import keyword
       2  import unittest
       3  
       4  
       5  class ESC[4;38;5;81mTest_iskeyword(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
       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):
      18          oldlist = keyword.kwlist
      19          self.addCleanup(setattr, keyword, 'kwlist', oldlist)
      20          keyword.kwlist = ['its', 'all', 'eggs', 'beans', 'and', 'a', 'slice']
      21          self.assertFalse(keyword.iskeyword('eggs'))
      22  
      23      def test_changing_the_softkwlist_does_not_affect_issoftkeyword(self):
      24          oldlist = keyword.softkwlist
      25          self.addCleanup(setattr, keyword, "softkwlist", oldlist)
      26          keyword.softkwlist = ["foo", "bar", "spam", "egs", "case"]
      27          self.assertFalse(keyword.issoftkeyword("spam"))
      28  
      29      def test_all_keywords_fail_to_be_used_as_names(self):
      30          for key in keyword.kwlist:
      31              with self.assertRaises(SyntaxError):
      32                  exec(f"{key} = 42")
      33  
      34      def test_all_soft_keywords_can_be_used_as_names(self):
      35          for key in keyword.softkwlist:
      36              exec(f"{key} = 42")
      37  
      38      def test_async_and_await_are_keywords(self):
      39          self.assertIn("async", keyword.kwlist)
      40          self.assertIn("await", keyword.kwlist)
      41  
      42      def test_match_and_case_are_soft_keywords(self):
      43          self.assertIn("match", keyword.softkwlist)
      44          self.assertIn("case", keyword.softkwlist)
      45          self.assertIn("_", keyword.softkwlist)
      46  
      47      def test_keywords_are_sorted(self):
      48          self.assertListEqual(sorted(keyword.kwlist), keyword.kwlist)
      49  
      50      def test_softkeywords_are_sorted(self):
      51          self.assertListEqual(sorted(keyword.softkwlist), keyword.softkwlist)
      52  
      53  
      54  if __name__ == "__main__":
      55      unittest.main()