def test_expression_parse_parentheses_mixed_1(self): e = Expression('(b1 and b2) or (b3 and b4)') self.assertEqual( e, Expression( Or(And(Variable('b1'), Variable('b2')), And(Variable('b3'), Variable('b4')))))
def test_expression_parse_implicit_mixed_1(self): e = Expression('b1 and b2 or b3 and b4') self.assertEqual( e, Expression( Or(And(Variable('b1'), Variable('b2')), And(Variable('b3'), Variable('b4')))))
def test_expression_parse_parentheses_left_nested(self): e = Expression('(((b1 or b2) and b3) or b4) and (b5)') self.assertEqual( e, Expression( And( Variable('b5'), Or(Variable('b4'), And(Variable('b3'), Or(Variable('b1'), Variable('b2')))))))
def test_expression_iter_variables(self): e = Expression( Or(And(Variable('b1'), Variable('b2')), And(Variable('b3'), Variable('b4')))) self.assertEqual( list(e.variables), [Variable('b1'), Variable('b2'), Variable('b3'), Variable('b4')])
def test_expression_parse_parentheses_right_nested(self): e = Expression('(b1 or (b2 and (b3 or (b4 and (b5)))))') self.assertEqual( e, Expression( Or( Variable('b1'), And( Variable('b2'), Or(Variable('b3'), And(Variable('b4'), Variable('b5')))))))
def test_expression_parse_longer_names(self): e = Expression('b12345 and bxyz and testtesttest') self.assertEqual( e, Expression( And(Variable('b12345'), Variable('bxyz'), Variable('testtesttest'))))
def test_expression_parse_parentheses_mixed_2(self): e = Expression('(b1 or b2) and (b3 or b4)') self.assertEqual( e, Expression( And(Or(Variable('b1'), Variable('b2')), Or(Variable('b3'), Variable('b4')))))
def test_expression_parse_multiple_parenthesis_and(self): e = Expression('b1 and (b2 and b3) and b4') self.assertEqual( e, Expression( And(Variable('b1'), Variable('b2'), Variable('b3'), Variable('b4'))))
def test_expression_parse_with_square_mixed_groups(self): e = Expression('[(a or b) or (c or d)] or [e or (f and g and h)]') self.assertEqual( e, Expression( Or(Variable('a'), Variable('b'), Variable('c'), Variable('d'), Variable('e'), And(Variable('f'), Variable('g'), Variable('h')))))
def test_expression_parse_name_starting_with_or(self): e = Expression('b1 and order') self.assertEqual(e, Expression(And(Variable('b1'), Variable('order'))))
def test_expression_parse_parenthesis_with_space_left(self): e = Expression('( b1 and b2)') self.assertEqual(e, Expression(And(Variable('b1'), Variable('b2'))))
def test_length_of_or(self): term = Or(Variable('b1'), And(Variable('b2'), Variable('b3'))) self.assertEqual(len(term), 2)
def test_expression_parse_multiple_with_duplicates(self): e = Expression('b1 and b2 and b1 and b4') self.assertEqual( e, Expression(And(Variable('b1'), Variable('b2'), Variable('b4'))))
def test_expression_parse_and(self): e = Expression('b1 and b2') self.assertEqual(e, Expression(And(Variable('b1'), Variable('b2'))))
def test_expression_parse_with_extra_space(self): e = Expression('b1 and b2 and b3') self.assertEqual( e, Expression(And(Variable('b1'), Variable('b2'), Variable('b3'))))
def test_expression_parse_uppercase_operators(self): e = Expression('(b1 AND b2) OR b3') self.assertEqual( e, Expression(Or(Variable('b3'), And(Variable('b1'), Variable('b2')))))
def test_length_of_and(self): term = And(Variable('b1'), Variable('b2')) self.assertEqual(len(term), 2)