use super::*;

#[derive(Debug)]
pub struct MSSQL;

impl DatabaseDriver for MSSQL {
    /// Get which characters are used to delimit identifiers
    /// such as tables, and columns
    fn _quotes(&self) -> (char, char) {
        ('[', ']')
    }

    fn query(&self, _query: &str) -> Result<(), ()> {
        Ok(())
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_quote_identifier_bracket_quote() {
        let driver = MSSQL {};

        assert_eq!(
            driver.quote_identifier("foo, bar, baz"),
            "[foo],[bar],[baz]"
        );
        assert_eq!(
            driver.quote_identifier("foo.bar, baz, fizz"),
            "[foo].[bar],[baz],[fizz]"
        );
    }

    #[test]
    fn test_quote_identifiers_bracket_quote() {
        let driver = MSSQL {};

        assert_eq!(
            driver.quote_identifiers(vec![
                "\tfoo. bar".to_string(),
                "baz".to_string(),
                "fizz.\n\tbuzz.baz".to_string(),
            ]),
            vec![
                "[foo].[bar]".to_string(),
                "[baz]".to_string(),
                "[fizz].[buzz].[baz]".to_string(),
            ]
        );
    }
}