djavu-asus/elpy/rpc-venv/lib/python3.11/site-packages/pyflakes/test/test_builtin.py

   1 """
   2 Tests for detecting redefinition of builtins.
   3 """
   4 from pyflakes import messages as m
   5 from pyflakes.test.harness import TestCase
   6
   7
   8 class TestBuiltins(TestCase):
   9
  10     def test_builtin_unbound_local(self):
  11         self.flakes('''
  12         def foo():
  13             a = range(1, 10)
  14             range = a
  15             return range
  16
  17         foo()
  18
  19         print(range)
  20         ''', m.UndefinedLocal)
  21
  22     def test_global_shadowing_builtin(self):
  23         self.flakes('''
  24         def f():
  25             global range
  26             range = None
  27             print(range)
  28
  29         f()
  30         ''')