def test_consecutive_parenthesis():
actual = ExpressionParser.parse(to_tokens("((col+1) = 3 AND col2=4)"))
expected = Parenthesis(
BooleanCondition(
"and",
Condition(Parenthesis(Addition(Column("col"), Integer(1))), "=",
Integer(3)),
Condition(
Column("col2"),
"=",
Integer(4),
),
))
assert actual == expected
def test_parenthesis_expression_where_clause():
actual = WhereClauseParser.parse(to_tokens("(col + 1) = col2"))
expected = WhereClause(
Condition(Parenthesis(Addition(Column("col"), Integer(1))), "=",
Column("col2")))
assert actual == expected
def test_chained_addition():
actual = ExpressionParser.parse(to_tokens("2+4+5"))
expected = Addition(Integer(2), Addition(Integer(4), Integer(5)))
assert actual == expected
def test_parenthesis_conditional():
actual = ExpressionParser.parse(to_tokens("(field+3) = 4"))
expected = Condition(Parenthesis(Addition(Column("field"), Integer(3))),
"=", Integer(4))
assert actual == expected
def test_addition():
actual = ExpressionParser.parse(to_tokens("2+4"))
expected = Addition(Integer(2), Integer(4))
assert actual == expected