tinyhgvs 0.3.3

use tinyhgvs::{parse_hgvs, ParseHgvsErrorKind};

fn parse_error(example: &str) -> tinyhgvs::ParseHgvsError {
    parse_hgvs(example).unwrap_err()
}

#[test]
fn classifies_supported_diagnostic_codes() {
    let cases = [
        (
            "NC_000001.11:g.[123G>A;345del]",
            "unsupported.allele",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "allele syntax is not supported yet",
            Some("["),
        ),
        (
            "NC_000023.11:g.(31060227_31100351)_(33274278_33417151)dup",
            "unsupported.uncertain_range",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "uncertain HGVS ranges are not supported yet",
            Some("("),
        ),
        (
            "NC_000023.11:g.pter_qtersup",
            "unsupported.telomeric_position",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "telomeric positions such as pter and qter are not supported yet",
            Some("pter"),
        ),
        (
            "NC_000011.10:g.1999904_1999946|gom",
            "unsupported.epigenetic_edit",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "epigenetic edit syntax is not supported yet",
            Some("|gom"),
        ),
        (
            "NM_004006.3:r.spl",
            "unsupported.rna_special_state",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "RNA consequence states such as r.spl, r.?, and r.0 are not supported yet",
            Some("r.spl"),
        ),
        (
            "NM_004006.2:r.(222_226)insg",
            "unsupported.rna_uncertain_position",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "RNA variants with uncertain positions are not supported yet",
            Some("r.(...)"),
        ),
        (
            "NC_000023.11(NM_004006.2):r.[897u>g,832_960del]",
            "unsupported.rna_splicing_outcome",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "RNA splicing outcome containers are not supported yet",
            Some("r.[...]"),
        ),
        (
            "NM_002354.2:r.-358_555::NM_000251.2:r.212_*279",
            "unsupported.rna_adjoined_transcript",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "RNA adjoined transcript syntax is not supported yet",
            Some("::"),
        ),
        (
            "r.-124_-123[14];[18]",
            "unsupported.allele",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "allele syntax is not supported yet",
            Some("];["),
        ),
        (
            "r.-128_-126[(600_800)]",
            "unsupported.uncertain_range",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "uncertain HGVS ranges are not supported yet",
            Some("[(...)]"),
        ),
        (
            "p.(Ter157Lysext*90)",
            "unsupported.protein_extension",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "protein extension syntax is not supported yet",
            Some("ext"),
        ),
        (
            "p.Arg78_Gly79insXaa[23]",
            "unsupported.protein_insertion_payload",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "quantified or terminal protein insertion payloads are not supported yet",
            Some("Xaa[...]"),
        ),
        (
            "p.(Gly719Ala^Ser)",
            "unsupported.protein_uncertain_consequence",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "uncertain protein consequence syntax is not supported yet",
            Some("^"),
        ),
        (
            "p.(Gln18)[(70_80)]",
            "unsupported.protein_uncertain_consequence",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "uncertain protein consequence syntax is not supported yet",
            Some("[(...)]"),
        ),
        (
            "NM_001385026.1:c.-666+629C>T",
            "unsupported.cdna_offset_anchor",
            ParseHgvsErrorKind::UnsupportedSyntax,
            "coding-DNA positions anchored to CDS start/end with additional offsets are not supported yet",
            Some("-666+629"),
        ),
    ];

    for (input, code, kind, message, fragment) in cases {
        let error = parse_error(input);
        assert_eq!(error.code(), code, "unexpected code for {input}");
        assert_eq!(error.kind(), kind, "unexpected kind for {input}");
        assert_eq!(error.message(), message, "unexpected message for {input}");
        assert_eq!(error.input(), input, "unexpected input for {input}");
        assert_eq!(
            error.fragment(),
            fragment,
            "unexpected fragment for {input}"
        );
        assert_eq!(
            error.parser_version(),
            env!("CARGO_PKG_VERSION"),
            "unexpected parser version for {input}"
        );
    }
}

#[test]
fn prioritizes_specific_rna_codes_before_generic_ones() {
    let splicing = parse_error("NC_000023.11(NM_004006.2):r.spl");
    let uncertain = parse_error("NM_004006.2:r.(222_226)insg");

    assert_eq!(splicing.code(), "unsupported.rna_splicing_outcome");
    assert_eq!(uncertain.code(), "unsupported.rna_uncertain_position");
}

#[test]
fn falls_back_to_invalid_syntax_for_unclassified_failures() {
    let error = parse_error("not-hgvs");

    assert_eq!(error.code(), "invalid.syntax");
    assert_eq!(error.kind(), ParseHgvsErrorKind::InvalidSyntax);
    assert_eq!(error.message(), "failed to parse HGVS variant");
    assert_eq!(error.input(), "not-hgvs");
    assert_eq!(error.fragment(), None);
}

#[test]
fn displays_machine_code_message_and_version() {
    let error = parse_error("p.(Ter157Lysext*90)");
    let rendered = error.to_string();

    assert!(rendered.contains("[unsupported.protein_extension]"));
    assert!(rendered.contains("protein extension syntax is not supported yet"));
    assert!(rendered.contains("`p.(Ter157Lysext*90)`"));
    assert!(rendered.contains(env!("CARGO_PKG_VERSION")));
}