def test_precedence(self): # (False and False) or True == True <- we want this one, like Python # False and (False or True) == False self.assertCalcEqual(True, [False, 'and', False, 'or', True]) # True or (False and False) == True <- we want this one, like Python # (True or False) and False == False self.assertCalcEqual(True, [True, 'or', False, 'and', False]) # (1 or 1) == 2 -> False # 1 or (1 == 2) -> True <- we want this one self.assertCalcEqual(True, [1, 'or', 1, '==', 2]) self.assertCalcEqual(True, [True, '==', True, 'or', True, '==', False]) self.assertEqual("(or (and (== (literal 1) (literal 2)) (literal 3)) (literal 4))", repr(IfParser([1, '==', 2, 'and', 3, 'or', 4]).parse()))
def assertCalcEqual(self, expected, tokens): self.assertEqual(expected, IfParser(tokens).parse().eval({}))
def test_or(self): var = IfParser([True, "or", False]).parse() self.assertEqual("(or (literal True) (literal False))", repr(var)) self.assert_(var.eval({}))
def test_not(self): var = IfParser(["not", False]).parse() self.assertEqual("(not (literal False))", repr(var)) self.assert_(var.eval({})) self.assertFalse(IfParser(["not", True]).parse().eval({}))