opening-hours-syntax 1.2.0

A parser for opening_hours fields in OpenStreetMap.
Documentation 
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use crate::error::Result;
use crate::parser::parse;

macro_rules! ex {
    ( $( $tt: expr ),* $( , )? ) => {
        (file!(), line!() $( , $tt )*)
    };
}

const EXAMPLES: &[(&str, u32, &str, &str)] = &[
    ex!("Sa; 24/7", "24/7"),
    ex!("06:00+;24/7", "06:00+; 24/7"),
    ex!("06:00-24:00;24/7", "24/7"),
    ex!("Tu-Mo", "24/7"),
    ex!("2022;Fr", "Fr; 2022 Mo-Th,Sa-Su"),
    ex!("Mo,Th open; Tu,Fr-Su open", "Mo-Tu,Th-Su"),
    ex!("Mo-Fr 10:00-14:00 ; We-Su 10:00-14:00", "10:00-14:00"),
    ex!("Mo,Tu,We,Th,Fr,Sa,Su 10:00-21:00", "10:00-21:00"),
    ex!("5554Mo;5555", "5554-5555 Mo; 5555 Tu-Su"),
    ex!("4444-4405", "1900-4405,4444-9999"),
    ex!("Jun24:00+", "Jun 24:00+"),
    ex!("week02-02/7", "week02-02/7"),
    ex!("24/7 ; Su closed", "Mo-Sa"),
    ex!("Tu off; off ; Jun", "Jun"),
    ex!("off ; Jun unknown", "Jun unknown"),
    ex!("Mo-Fr open; We unknown", "Mo-Tu,Th-Fr; We unknown"),
    ex!("Mo unknown ; Tu open ; We closed", "Tu; Mo unknown"),
    ex!("unknown|| Th|| We", "24/7 unknown || Th || We"),
    ex!("dusk-dusk", "dusk-dusk"),
    ex!("dusk-48:00+", "dusk-48:00+"),
    ex!("Sep24:00-04:20", "Sep 24:00-04:20"),
    ex!(
        "10:00-12:00 open; 14:00-16:00 closed \"on demand\"",
        "10:00-12:00, Mo-Su 14:00-16:00 closed \"on demand\"",
    ),
    ex!(
        "10:00-16:00, We 15:00-20:00 unknown",
        "10:00-15:00, Mo-Tu,Th-Su 15:00-16:00, We 15:00-20:00 unknown",
    ),
    ex!(
        "Mo 10:00-21:00; Tu,We,Th,Fr,Sa,Su 10:00-21:00",
        "10:00-21:00"
    ),
    ex!(
        "Nov-Mar Mo-Fr 10:00-16:00; Apr-Nov Mo-Fr 08:00-18:00",
        "Apr-Nov Mo-Fr 08:00-18:00; Jan-Mar,Dec Mo-Fr 10:00-16:00",
    ),
    ex!(
        "Apr-Oct Mo-Fr 08:00-18:00; Mo-Fr 10:00-16:00 open",
        "Mo-Fr 10:00-16:00",
    ),
    ex!(
        "Mo-Fr 10:00-16:00 open; Apr-Oct Mo-Fr 08:00-18:00",
        "Apr-Oct Mo-Fr 08:00-18:00; Jan-Mar,Nov-Dec Mo-Fr 10:00-16:00",
    ),
    ex!(
        "Mo-Su 00:00-01:00, 10:30-24:00; PH off; 2021 Apr 10 00:00-01:00; 2021 Apr 11-16 off; 2021 Apr 17 10:30-24:00",
        "00:00-01:00,10:30-24:00; PH closed; 2021 Apr 10 00:00-01:00; 2021 Apr 11-2021 Apr 16 closed; 2021 Apr 17 10:30-24:00",
    ),
    ex!(
        "week2Mo;Jun;Fr",
        "Fr; week02 Mo; Jun week01,03-53 Mo-Th,Sa-Su; Jun week02 Tu-Th,Sa-Su",
    ),
    ex!(
        "week04 Mo; Jul; Jun 5; Sep Fr; 04:00-04:20",
        "week04 Mo; Jul week01-03,05-53; Jul week04 Tu-Su; Jun 5; Sep Fr; 04:00-04:20",
    ),
];

#[test]
fn normalize_idempotent() -> Result<()> {
    for (file, line, _, example) in EXAMPLES {
        assert_eq!(
            parse(example)?.normalize().to_string(),
            *example,
            "error with example from {file}:{line}",
        );
    }

    Ok(())
}

#[test]
fn normalize() -> Result<()> {
    for (file, line, expr, simplified) in EXAMPLES {
        assert_eq!(
            parse(expr)?.normalize().to_string(),
            *simplified,
            "error with example from {file}:{line}",
        );
    }

    Ok(())
}