rustc/vendor/pulldown-cmark-0.11.3/tests/lib.rs

#![cfg(feature = "html")]

use pulldown_cmark::{Options, Parser};

mod suite;

#[inline(never)]
pub fn test_markdown_html(
    input: &str,
    output: &str,
    smart_punct: bool,
    metadata_blocks: bool,
    old_footnotes: bool,
) {
    let mut s = String::new();

    let mut opts = Options::empty();
    opts.insert(Options::ENABLE_MATH);
    opts.insert(Options::ENABLE_TABLES);
    opts.insert(Options::ENABLE_STRIKETHROUGH);
    opts.insert(Options::ENABLE_TASKLISTS);
    opts.insert(Options::ENABLE_GFM);
    if old_footnotes {
        opts.insert(Options::ENABLE_OLD_FOOTNOTES);
    } else {
        opts.insert(Options::ENABLE_FOOTNOTES);
    }
    if metadata_blocks {
        opts.insert(Options::ENABLE_YAML_STYLE_METADATA_BLOCKS);
        opts.insert(Options::ENABLE_PLUSES_DELIMITED_METADATA_BLOCKS);
    }
    if smart_punct {
        opts.insert(Options::ENABLE_SMART_PUNCTUATION);
    }
    opts.insert(Options::ENABLE_HEADING_ATTRIBUTES);

    let p = Parser::new_ext(input, opts);
    pulldown_cmark::html::push_html(&mut s, p);

    // normalizing the HTML using html5ever may hide actual errors
    // assert_eq!(html_standardize(output), html_standardize(&s));
    assert_eq!(html_standardize(output), html_standardize(&s));
}

fn html_standardize(s: &str) -> String {
    s.replace("<br>", "<br />")
        .replace("<br/>", "<br />")
        .replace("<hr>", "<hr />")
        .replace("<hr/>", "<hr />")
        // permit extra or missing line breaks only between tags
        .replace(">\n<", "><")
}