Function test_expression_parser

src/cosql/expression.rs:317–383

()

    #[test]
    fn test_expression_parser() {
        let values = [
            ("-2.0", Expression::Value(Value::Double(-2.0))),
            (
                "$num % 2",
                Expression::BinaryExpression(Box::new(BinaryExpression {
                    left: Expression::Value(Value::Variable("num".to_string())),
                    operator: BinaryExpressionOperator::Remainder,
                    right: Expression::Value(Value::Int(2)),
                })),
            ),
            (
                "2 + 3 * 4",
                Expression::BinaryExpression(Box::new(BinaryExpression {
                    left: Expression::Value(Value::Int(2)),
                    operator: BinaryExpressionOperator::Addition,
                    right: Expression::BinaryExpression(Box::new(BinaryExpression {
                        left: Expression::Value(Value::Int(3)),
                        operator: BinaryExpressionOperator::Multiplication,
                        right: Expression::Value(Value::Int(4)),
                    })),
                })),
            ),
            (
                "2 * 3 + 4",
                Expression::BinaryExpression(Box::new(BinaryExpression {
                    left: Expression::BinaryExpression(Box::new(BinaryExpression {
                        left: Expression::Value(Value::Int(2)),
                        operator: BinaryExpressionOperator::Multiplication,
                        right: Expression::Value(Value::Int(3)),
                    })),
                    operator: BinaryExpressionOperator::Addition,
                    right: Expression::Value(Value::Int(4)),
                })),
            ),
            (
                "((((((((((26-08-2024))))))))))",
                Expression::Value(Value::Date(Date(26, 8, 2024))),
            ),
            (
                "$selling_price - $cost_price",
                Expression::BinaryExpression(Box::new(BinaryExpression {
                    left: Expression::Value(Value::Variable("selling_price".to_string())),
                    operator: BinaryExpressionOperator::Subtraction,
                    right: Expression::Value(Value::Variable("cost_price".to_string())),
                })),
            ),
            (
                "($profit / $cost_price) * 100",
                Expression::BinaryExpression(Box::new(BinaryExpression {
                    left: Expression::BinaryExpression(Box::new(BinaryExpression {
                        left: Expression::Value(Value::Variable("profit".to_string())),
                        operator: BinaryExpressionOperator::Division,
                        right: Expression::Value(Value::Variable("cost_price".to_string())),
                    })),
                    operator: BinaryExpressionOperator::Multiplication,
                    right: Expression::Value(Value::Int(100)),
                })),