Add benches for rendering crate

6 years ago · ce704097a4
--- a/components/rendering/Cargo.toml
+++ b/components/rendering/Cargo.toml
@@ -13,7 +13,6 @@ slug = "0.1"
 serde = "1.0"
 serde_derive = "1.0"


 errors = { path = "../errors" }
 front_matter = { path = "../front_matter" }
 utils = { path = "../utils" }
--- a/components/rendering/benches/all.rs
+++ b/components/rendering/benches/all.rs
@@ -0,0 +1,100 @@
 #![feature(test)]
 extern crate test;
 extern crate tera;

 extern crate rendering;
 extern crate front_matter;

 use std::collections::HashMap;

 use tera::Tera;
 use rendering::{Context, markdown_to_html};
 use front_matter::InsertAnchor;

 static CONTENT: &'static str = r#"
 # Modus cognitius profanam ne duae virtutis mundi

 ## Ut vita

 Lorem markdownum litora, care ponto nomina, et ut aspicit gelidas sui et
 purpureo genuit. Tamen colla venientis [delphina](http://nil-sol.com/ecquis)
 Tusci et temptata citaeque curam isto ubi vult vulnere reppulit.

 - Seque vidit flendoque de quodam
 - Dabit minimos deiecto caputque noctis pluma
 - Leti coniunx est Helicen
 - Illius pulvereumque Icare inpositos
 - Vivunt pereo pluvio tot ramos Olenios gelidis
 - Quater teretes natura inde

 ### A subsection

 Protinus dicunt, breve per, et vivacis genus Orphei munere. Me terram [dimittere
 casside](http://corpus.org/) pervenit saxo primoque frequentat genuum sorori
 praeferre causas Libys. Illud in serpit adsuetam utrimque nunc haberent,
 **terrae si** veni! Hectoreis potes sumite [Mavortis retusa](http://tua.org/)
 granum captantur potuisse Minervae, frugum.

 > Clivo sub inprovisoque nostrum minus fama est, discordia patrem petebat precatur
 absumitur, poena per sit. Foramina *tamen cupidine* memor supplex tollentes
 dictum unam orbem, Anubis caecae. Viderat formosior tegebat satis, Aethiopasque
 sit submisso coniuge tristis ubi!

 ## Praeceps Corinthus totidem quem crus vultum cape

 ```rs
 #[derive(Debug)]
 pub struct Site {
    /// The base path of the gutenberg site
    pub base_path: PathBuf,
    /// The parsed config for the site
    pub config: Config,
    pub pages: HashMap<PathBuf, Page>,
    pub sections: HashMap<PathBuf, Section>,
    pub tera: Tera,
    live_reload: bool,
    output_path: PathBuf,
    static_path: PathBuf,
    pub tags: Option<Taxonomy>,
    pub categories: Option<Taxonomy>,
    /// A map of all .md files (section and pages) and their permalink
    /// We need that if there are relative links in the content that need to be resolved
    pub permalinks: HashMap<String, String>,
 }
 ```

 ## More stuff
 And a shortcode:

 {{ youtube(id="my_youtube_id") }}

 ### Another subsection
 Gotta make the toc do a little bit of work

 # A big title

 - hello
 - world
 - !

 ```py
 if __name__ == "__main__":
    gen_site("basic-blog", [""], 250, paginate=True)
 ```
 "#;

 #[bench]
 fn bench_markdown_to_html_with_highlighting(b: &mut test::Bencher) {
    let tera_ctx = Tera::default();
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    b.iter(|| markdown_to_html(CONTENT, &context));
 }

 #[bench]
 fn bench_markdown_to_html_without_highlighting(b: &mut test::Bencher) {
    let tera_ctx = Tera::default();
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&tera_ctx, false, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    b.iter(|| markdown_to_html(CONTENT, &context));
 }
--- a/components/rendering/src/markdown.rs
+++ b/components/rendering/src/markdown.rs
@@ -262,290 +262,3 @@ pub fn markdown_to_html(content: &str, context: &Context) -> Result<(String, Vec
        None => Ok((html.replace("<p></p>", ""), make_table_of_contents(headers))),
    }
 }


 #[cfg(test)]
 mod tests {
    use std::collections::HashMap;

    use tera::Tera;

    use front_matter::InsertAnchor;
    use templates::GUTENBERG_TERA;
    use context::Context;

    use super::markdown_to_html;

    #[test]
    fn can_do_markdown_to_html_simple() {
        let tera_ctx = Tera::default();
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
        let res = markdown_to_html("hello", &context).unwrap();
        assert_eq!(res.0, "<p>hello</p>\n");
    }

    #[test]
    fn doesnt_highlight_code_block_with_highlighting_off() {
        let tera_ctx = Tera::default();
        let permalinks_ctx = HashMap::new();
        let mut context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
        context.highlight_code = false;
        let res = markdown_to_html("```\n$ gutenberg server\n```", &context).unwrap();
        assert_eq!(
            res.0,
            "<pre><code>$ gutenberg server\n</code></pre>\n"
        );
    }

    #[test]
    fn can_highlight_code_block_no_lang() {
        let tera_ctx = Tera::default();
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
        let res = markdown_to_html("```\n$ gutenberg server\n$ ping\n```", &context).unwrap();
        assert_eq!(
            res.0,
            "<pre style=\"background-color:#2b303b\">\n<span style=\"background-color:#2b303b;color:#c0c5ce;\">$ gutenberg server\n</span><span style=\"background-color:#2b303b;color:#c0c5ce;\">$ ping\n</span></pre>"
        );
    }

    #[test]
    fn can_highlight_code_block_with_lang() {
        let tera_ctx = Tera::default();
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
        let res = markdown_to_html("```python\nlist.append(1)\n```", &context).unwrap();
        assert_eq!(
            res.0,
            "<pre style=\"background-color:#2b303b\">\n<span style=\"background-color:#2b303b;color:#c0c5ce;\">list</span><span style=\"background-color:#2b303b;color:#c0c5ce;\">.</span><span style=\"background-color:#2b303b;color:#bf616a;\">append</span><span style=\"background-color:#2b303b;color:#c0c5ce;\">(</span><span style=\"background-color:#2b303b;color:#d08770;\">1</span><span style=\"background-color:#2b303b;color:#c0c5ce;\">)</span><span style=\"background-color:#2b303b;color:#c0c5ce;\">\n</span></pre>"
        );
    }

    #[test]
    fn can_higlight_code_block_with_unknown_lang() {
        let tera_ctx = Tera::default();
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
        let res = markdown_to_html("```yolo\nlist.append(1)\n```", &context).unwrap();
        // defaults to plain text
        assert_eq!(
            res.0,
            "<pre style=\"background-color:#2b303b\">\n<span style=\"background-color:#2b303b;color:#c0c5ce;\">list.append(1)\n</span></pre>"
        );
    }

    #[test]
    fn can_render_shortcode() {
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
        let res = markdown_to_html(r#"
 Hello

 {{ youtube(id="ub36ffWAqgQ") }}
        "#, &context).unwrap();
        assert!(res.0.contains("<p>Hello</p>\n<div >"));
        assert!(res.0.contains(r#"<iframe src="https://www.youtube.com/embed/ub36ffWAqgQ""#));
    }

    #[test]
    fn can_render_several_shortcode_in_row() {
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
        let res = markdown_to_html(r#"
 Hello

 {{ youtube(id="ub36ffWAqgQ") }}

 {{ youtube(id="ub36ffWAqgQ", autoplay=true) }}

 {{ vimeo(id="210073083") }}

 {{ streamable(id="c0ic") }}

 {{ gist(url="https://gist.github.com/Keats/32d26f699dcc13ebd41b") }}

        "#, &context).unwrap();
        assert!(res.0.contains("<p>Hello</p>\n<div >"));
        assert!(res.0.contains(r#"<iframe src="https://www.youtube.com/embed/ub36ffWAqgQ""#));
        assert!(res.0.contains(r#"<iframe src="https://www.youtube.com/embed/ub36ffWAqgQ?autoplay=1""#));
        assert!(res.0.contains(r#"<iframe src="https://www.streamable.com/e/c0ic""#));
        assert!(res.0.contains(r#"//player.vimeo.com/video/210073083""#));
    }

    #[test]
    fn doesnt_render_shortcode_in_code_block() {
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
        let res = markdown_to_html(r#"```{{ youtube(id="w7Ft2ymGmfc") }}```"#, &context).unwrap();
        assert_eq!(res.0, "<p><code>{{ youtube(id=&quot;w7Ft2ymGmfc&quot;) }}</code></p>\n");
    }

    #[test]
    fn can_render_shortcode_with_body() {
        let mut tera = Tera::default();
        tera.extend(&GUTENBERG_TERA).unwrap();
        tera.add_raw_template("shortcodes/quote.html", "<blockquote>{{ body }} - {{ author}}</blockquote>").unwrap();
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&tera, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);

        let res = markdown_to_html(r#"
 Hello
 {% quote(author="Keats") %}
 A quote
 {% end %}
        "#, &context).unwrap();
        assert_eq!(res.0, "<p>Hello\n</p><blockquote>A quote - Keats</blockquote>");
    }

    #[test]
    fn errors_rendering_unknown_shortcode() {
        let tera_ctx = Tera::default();
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
        let res = markdown_to_html("{{ hello(flash=true) }}", &context);
        assert!(res.is_err());
    }

    #[test]
    fn can_make_valid_relative_link() {
        let mut permalinks = HashMap::new();
        permalinks.insert("pages/about.md".to_string(), "https://vincent.is/about".to_string());
        let tera_ctx = Tera::default();
        let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks, InsertAnchor::None);
        let res = markdown_to_html(
            r#"[rel link](./pages/about.md), [abs link](https://vincent.is/about)"#,
            &context
        ).unwrap();

        assert!(
            res.0.contains(r#"<p><a href="https://vincent.is/about">rel link</a>, <a href="https://vincent.is/about">abs link</a></p>"#)
        );
    }

    #[test]
    fn can_make_relative_links_with_anchors() {
        let mut permalinks = HashMap::new();
        permalinks.insert("pages/about.md".to_string(), "https://vincent.is/about".to_string());
        let tera_ctx = Tera::default();
        let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks, InsertAnchor::None);
        let res = markdown_to_html(r#"[rel link](./pages/about.md#cv)"#, &context).unwrap();

        assert!(
            res.0.contains(r#"<p><a href="https://vincent.is/about#cv">rel link</a></p>"#)
        );
    }

    #[test]
    fn errors_relative_link_inexistant() {
        let tera_ctx = Tera::default();
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
        let res = markdown_to_html("[rel link](./pages/about.md)", &context);
        assert!(res.is_err());
    }

    #[test]
    fn can_add_id_to_headers() {
        let tera_ctx = Tera::default();
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
        let res = markdown_to_html(r#"# Hello"#, &context).unwrap();
        assert_eq!(res.0, "<h1 id=\"hello\">Hello</h1>\n");
    }

    #[test]
    fn can_add_id_to_headers_same_slug() {
        let tera_ctx = Tera::default();
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
        let res = markdown_to_html("# Hello\n# Hello", &context).unwrap();
        assert_eq!(res.0, "<h1 id=\"hello\">Hello</h1>\n<h1 id=\"hello-1\">Hello</h1>\n");
    }

    #[test]
    fn can_insert_anchor_left() {
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::Left);
        let res = markdown_to_html("# Hello", &context).unwrap();
        assert_eq!(
            res.0,
            "<h1 id=\"hello\"><a class=\"gutenberg-anchor\" href=\"#hello\" aria-label=\"Anchor link for: hello\">🔗</a>\nHello</h1>\n"
        );
    }

    #[test]
    fn can_insert_anchor_right() {
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::Right);
        let res = markdown_to_html("# Hello", &context).unwrap();
        assert_eq!(
            res.0,
            "<h1 id=\"hello\">Hello<a class=\"gutenberg-anchor\" href=\"#hello\" aria-label=\"Anchor link for: hello\">🔗</a>\n</h1>\n"
        );
    }

    // See https://github.com/Keats/gutenberg/issues/42
    #[test]
    fn can_insert_anchor_with_exclamation_mark() {
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::Left);
        let res = markdown_to_html("# Hello!", &context).unwrap();
        assert_eq!(
            res.0,
            "<h1 id=\"hello\"><a class=\"gutenberg-anchor\" href=\"#hello\" aria-label=\"Anchor link for: hello\">🔗</a>\nHello!</h1>\n"
        );
    }

    // See https://github.com/Keats/gutenberg/issues/53
    #[test]
    fn can_insert_anchor_with_link() {
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::Left);
        let res = markdown_to_html("## [](#xresources)Xresources", &context).unwrap();
        assert_eq!(
            res.0,
            "<h2 id=\"xresources\"><a class=\"gutenberg-anchor\" href=\"#xresources\" aria-label=\"Anchor link for: xresources\">🔗</a>\nXresources</h2>\n"
        );
    }

    #[test]
    fn can_insert_anchor_with_other_special_chars() {
        let permalinks_ctx = HashMap::new();
        let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::Left);
        let res = markdown_to_html("# Hello*_()", &context).unwrap();
        assert_eq!(
            res.0,
            "<h1 id=\"hello\"><a class=\"gutenberg-anchor\" href=\"#hello\" aria-label=\"Anchor link for: hello\">🔗</a>\nHello*_()</h1>\n"
        );
    }

    #[test]
    fn can_make_toc() {
        let permalinks_ctx = HashMap::new();
        let context = Context::new(
            &GUTENBERG_TERA,
            true,
            "base16-ocean-dark".to_string(),
            "https://mysite.com/something",
            &permalinks_ctx,
            InsertAnchor::Left
        );

        let res = markdown_to_html(r#"
 # Header 1

 ## Header 2

 ## Another Header 2

 ### Last one
        "#, &context).unwrap();

        let toc = res.1;
        assert_eq!(toc.len(), 1);
        assert_eq!(toc[0].children.len(), 2);
        assert_eq!(toc[0].children[1].children.len(), 1);

    }
 }
--- a/components/rendering/tests/markdown.rs
+++ b/components/rendering/tests/markdown.rs
@@ -0,0 +1,286 @@
 extern crate tera;
 extern crate front_matter;
 extern crate templates;
 extern crate rendering;

 use std::collections::HashMap;

 use tera::Tera;

 use front_matter::InsertAnchor;
 use templates::GUTENBERG_TERA;
 use rendering::{Context, markdown_to_html};


 #[test]
 fn can_do_markdown_to_html_simple() {
    let tera_ctx = Tera::default();
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    let res = markdown_to_html("hello", &context).unwrap();
    assert_eq!(res.0, "<p>hello</p>\n");
 }

 #[test]
 fn doesnt_highlight_code_block_with_highlighting_off() {
    let tera_ctx = Tera::default();
    let permalinks_ctx = HashMap::new();
    let mut context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    context.highlight_code = false;
    let res = markdown_to_html("```\n$ gutenberg server\n```", &context).unwrap();
    assert_eq!(
        res.0,
        "<pre><code>$ gutenberg server\n</code></pre>\n"
    );
 }

 #[test]
 fn can_highlight_code_block_no_lang() {
    let tera_ctx = Tera::default();
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    let res = markdown_to_html("```\n$ gutenberg server\n$ ping\n```", &context).unwrap();
    assert_eq!(
        res.0,
        "<pre style=\"background-color:#2b303b\">\n<span style=\"background-color:#2b303b;color:#c0c5ce;\">$ gutenberg server\n</span><span style=\"background-color:#2b303b;color:#c0c5ce;\">$ ping\n</span></pre>"
    );
 }

 #[test]
 fn can_highlight_code_block_with_lang() {
    let tera_ctx = Tera::default();
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    let res = markdown_to_html("```python\nlist.append(1)\n```", &context).unwrap();
    assert_eq!(
        res.0,
        "<pre style=\"background-color:#2b303b\">\n<span style=\"background-color:#2b303b;color:#c0c5ce;\">list</span><span style=\"background-color:#2b303b;color:#c0c5ce;\">.</span><span style=\"background-color:#2b303b;color:#bf616a;\">append</span><span style=\"background-color:#2b303b;color:#c0c5ce;\">(</span><span style=\"background-color:#2b303b;color:#d08770;\">1</span><span style=\"background-color:#2b303b;color:#c0c5ce;\">)</span><span style=\"background-color:#2b303b;color:#c0c5ce;\">\n</span></pre>"
    );
 }

 #[test]
 fn can_higlight_code_block_with_unknown_lang() {
    let tera_ctx = Tera::default();
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    let res = markdown_to_html("```yolo\nlist.append(1)\n```", &context).unwrap();
    // defaults to plain text
    assert_eq!(
        res.0,
        "<pre style=\"background-color:#2b303b\">\n<span style=\"background-color:#2b303b;color:#c0c5ce;\">list.append(1)\n</span></pre>"
    );
 }

 #[test]
 fn can_render_shortcode() {
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    let res = markdown_to_html(r#"
 Hello

 {{ youtube(id="ub36ffWAqgQ") }}
    "#, &context).unwrap();
    assert!(res.0.contains("<p>Hello</p>\n<div >"));
    assert!(res.0.contains(r#"<iframe src="https://www.youtube.com/embed/ub36ffWAqgQ""#));
 }

 #[test]
 fn can_render_several_shortcode_in_row() {
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    let res = markdown_to_html(r#"
 Hello

 {{ youtube(id="ub36ffWAqgQ") }}

 {{ youtube(id="ub36ffWAqgQ", autoplay=true) }}

 {{ vimeo(id="210073083") }}

 {{ streamable(id="c0ic") }}

 {{ gist(url="https://gist.github.com/Keats/32d26f699dcc13ebd41b") }}

    "#, &context).unwrap();
    assert!(res.0.contains("<p>Hello</p>\n<div >"));
    assert!(res.0.contains(r#"<iframe src="https://www.youtube.com/embed/ub36ffWAqgQ""#));
    assert!(res.0.contains(r#"<iframe src="https://www.youtube.com/embed/ub36ffWAqgQ?autoplay=1""#));
    assert!(res.0.contains(r#"<iframe src="https://www.streamable.com/e/c0ic""#));
    assert!(res.0.contains(r#"//player.vimeo.com/video/210073083""#));
 }

 #[test]
 fn doesnt_render_shortcode_in_code_block() {
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    let res = markdown_to_html(r#"```{{ youtube(id="w7Ft2ymGmfc") }}```"#, &context).unwrap();
    assert_eq!(res.0, "<p><code>{{ youtube(id=&quot;w7Ft2ymGmfc&quot;) }}</code></p>\n");
 }

 #[test]
 fn can_render_shortcode_with_body() {
    let mut tera = Tera::default();
    tera.extend(&GUTENBERG_TERA).unwrap();
    tera.add_raw_template("shortcodes/quote.html", "<blockquote>{{ body }} - {{ author}}</blockquote>").unwrap();
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&tera, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);

    let res = markdown_to_html(r#"
 Hello
 {% quote(author="Keats") %}
 A quote
 {% end %}
    "#, &context).unwrap();
    assert_eq!(res.0, "<p>Hello\n</p><blockquote>A quote - Keats</blockquote>");
 }

 #[test]
 fn errors_rendering_unknown_shortcode() {
    let tera_ctx = Tera::default();
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    let res = markdown_to_html("{{ hello(flash=true) }}", &context);
    assert!(res.is_err());
 }

 #[test]
 fn can_make_valid_relative_link() {
    let mut permalinks = HashMap::new();
    permalinks.insert("pages/about.md".to_string(), "https://vincent.is/about".to_string());
    let tera_ctx = Tera::default();
    let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks, InsertAnchor::None);
    let res = markdown_to_html(
        r#"[rel link](./pages/about.md), [abs link](https://vincent.is/about)"#,
        &context
    ).unwrap();

    assert!(
        res.0.contains(r#"<p><a href="https://vincent.is/about">rel link</a>, <a href="https://vincent.is/about">abs link</a></p>"#)
    );
 }

 #[test]
 fn can_make_relative_links_with_anchors() {
    let mut permalinks = HashMap::new();
    permalinks.insert("pages/about.md".to_string(), "https://vincent.is/about".to_string());
    let tera_ctx = Tera::default();
    let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks, InsertAnchor::None);
    let res = markdown_to_html(r#"[rel link](./pages/about.md#cv)"#, &context).unwrap();

    assert!(
        res.0.contains(r#"<p><a href="https://vincent.is/about#cv">rel link</a></p>"#)
    );
 }

 #[test]
 fn errors_relative_link_inexistant() {
    let tera_ctx = Tera::default();
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    let res = markdown_to_html("[rel link](./pages/about.md)", &context);
    assert!(res.is_err());
 }

 #[test]
 fn can_add_id_to_headers() {
    let tera_ctx = Tera::default();
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    let res = markdown_to_html(r#"# Hello"#, &context).unwrap();
    assert_eq!(res.0, "<h1 id=\"hello\">Hello</h1>\n");
 }

 #[test]
 fn can_add_id_to_headers_same_slug() {
    let tera_ctx = Tera::default();
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&tera_ctx, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::None);
    let res = markdown_to_html("# Hello\n# Hello", &context).unwrap();
    assert_eq!(res.0, "<h1 id=\"hello\">Hello</h1>\n<h1 id=\"hello-1\">Hello</h1>\n");
 }

 #[test]
 fn can_insert_anchor_left() {
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::Left);
    let res = markdown_to_html("# Hello", &context).unwrap();
    assert_eq!(
        res.0,
        "<h1 id=\"hello\"><a class=\"gutenberg-anchor\" href=\"#hello\" aria-label=\"Anchor link for: hello\">🔗</a>\nHello</h1>\n"
    );
 }

 #[test]
 fn can_insert_anchor_right() {
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::Right);
    let res = markdown_to_html("# Hello", &context).unwrap();
    assert_eq!(
        res.0,
        "<h1 id=\"hello\">Hello<a class=\"gutenberg-anchor\" href=\"#hello\" aria-label=\"Anchor link for: hello\">🔗</a>\n</h1>\n"
    );
 }

 // See https://github.com/Keats/gutenberg/issues/42
 #[test]
 fn can_insert_anchor_with_exclamation_mark() {
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::Left);
    let res = markdown_to_html("# Hello!", &context).unwrap();
    assert_eq!(
        res.0,
        "<h1 id=\"hello\"><a class=\"gutenberg-anchor\" href=\"#hello\" aria-label=\"Anchor link for: hello\">🔗</a>\nHello!</h1>\n"
    );
 }

 // See https://github.com/Keats/gutenberg/issues/53
 #[test]
 fn can_insert_anchor_with_link() {
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::Left);
    let res = markdown_to_html("## [](#xresources)Xresources", &context).unwrap();
    assert_eq!(
        res.0,
        "<h2 id=\"xresources\"><a class=\"gutenberg-anchor\" href=\"#xresources\" aria-label=\"Anchor link for: xresources\">🔗</a>\nXresources</h2>\n"
    );
 }

 #[test]
 fn can_insert_anchor_with_other_special_chars() {
    let permalinks_ctx = HashMap::new();
    let context = Context::new(&GUTENBERG_TERA, true, "base16-ocean-dark".to_string(), "", &permalinks_ctx, InsertAnchor::Left);
    let res = markdown_to_html("# Hello*_()", &context).unwrap();
    assert_eq!(
        res.0,
        "<h1 id=\"hello\"><a class=\"gutenberg-anchor\" href=\"#hello\" aria-label=\"Anchor link for: hello\">🔗</a>\nHello*_()</h1>\n"
    );
 }

 #[test]
 fn can_make_toc() {
    let permalinks_ctx = HashMap::new();
    let context = Context::new(
        &GUTENBERG_TERA,
        true,
        "base16-ocean-dark".to_string(),
        "https://mysite.com/something",
        &permalinks_ctx,
        InsertAnchor::Left
    );

    let res = markdown_to_html(r#"
 # Header 1

 ## Header 2

 ## Another Header 2

 ### Last one
    "#, &context).unwrap();

    let toc = res.1;
    assert_eq!(toc.len(), 1);
    assert_eq!(toc[0].children.len(), 2);
    assert_eq!(toc[0].children[1].children.len(), 1);

 }