Edit: test_is_literal.py
from pyflakes.messages import IsLiteral from pyflakes.test.harness import TestCase class Test(TestCase): def test_is_str(self): self.flakes(""" x = 'foo' if x is 'foo': pass """, IsLiteral) def test_is_bytes(self): self.flakes(""" x = b'foo' if x is b'foo': pass """, IsLiteral) def test_is_unicode(self): self.flakes(""" x = u'foo' if x is u'foo': pass """, IsLiteral) def test_is_int(self): self.flakes(""" x = 10 if x is 10: pass """, IsLiteral) def test_is_true(self): self.flakes(""" x = True if x is True: pass """) def test_is_false(self): self.flakes(""" x = False if x is False: pass """) def test_is_not_str(self): self.flakes(""" x = 'foo' if x is not 'foo': pass """, IsLiteral) def test_is_not_bytes(self): self.flakes(""" x = b'foo' if x is not b'foo': pass """, IsLiteral) def test_is_not_unicode(self): self.flakes(""" x = u'foo' if x is not u'foo': pass """, IsLiteral) def test_is_not_int(self): self.flakes(""" x = 10 if x is not 10: pass """, IsLiteral) def test_is_not_true(self): self.flakes(""" x = True if x is not True: pass """) def test_is_not_false(self): self.flakes(""" x = False if x is not False: pass """) def test_left_is_str(self): self.flakes(""" x = 'foo' if 'foo' is x: pass """, IsLiteral) def test_left_is_bytes(self): self.flakes(""" x = b'foo' if b'foo' is x: pass """, IsLiteral) def test_left_is_unicode(self): self.flakes(""" x = u'foo' if u'foo' is x: pass """, IsLiteral) def test_left_is_int(self): self.flakes(""" x = 10 if 10 is x: pass """, IsLiteral) def test_left_is_true(self): self.flakes(""" x = True if True is x: pass """) def test_left_is_false(self): self.flakes(""" x = False if False is x: pass """) def test_left_is_not_str(self): self.flakes(""" x = 'foo' if 'foo' is not x: pass """, IsLiteral) def test_left_is_not_bytes(self): self.flakes(""" x = b'foo' if b'foo' is not x: pass """, IsLiteral) def test_left_is_not_unicode(self): self.flakes(""" x = u'foo' if u'foo' is not x: pass """, IsLiteral) def test_left_is_not_int(self): self.flakes(""" x = 10 if 10 is not x: pass """, IsLiteral) def test_left_is_not_true(self): self.flakes(""" x = True if True is not x: pass """) def test_left_is_not_false(self): self.flakes(""" x = False if False is not x: pass """) def test_chained_operators_is_true(self): self.flakes(""" x = 5 if x is True < 4: pass """) def test_chained_operators_is_str(self): self.flakes(""" x = 5 if x is 'foo' < 4: pass """, IsLiteral) def test_chained_operators_is_true_end(self): self.flakes(""" x = 5 if 4 < x is True: pass """) def test_chained_operators_is_str_end(self): self.flakes(""" x = 5 if 4 < x is 'foo': pass """, IsLiteral) def test_is_tuple_constant(self): self.flakes('''\ x = 5 if x is (): pass ''', IsLiteral) def test_is_tuple_constant_containing_constants(self): self.flakes('''\ x = 5 if x is (1, '2', True, (1.5, ())): pass ''', IsLiteral) def test_is_tuple_containing_variables_ok(self): # a bit nonsensical, but does not trigger a SyntaxWarning self.flakes('''\ x = 5 if x is (x,): pass ''')
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