Shallow clone of https://github.com/wooorm/markdown-rs

tests/frontmatter.rs

@@ -0,0 +1,167 @@
+use markdown::{
+    mdast::{Node, Root, Toml, Yaml},
+    message, to_html, to_html_with_options, to_mdast,
+    unist::Position,
+    Constructs, Options, ParseOptions,
+};
+use pretty_assertions::assert_eq;
+
+#[test]
+fn frontmatter() -> Result<(), message::Message> {
+    let frontmatter = Options {
+        parse: ParseOptions {
+            constructs: Constructs {
+                frontmatter: true,
+                ..Default::default()
+            },
+            ..Default::default()
+        },
+        ..Default::default()
+    };
+
+    assert_eq!(
+        to_html("---\ntitle: Jupyter\n---"),
+        "<hr />\n<h2>title: Jupyter</h2>",
+        "should not support frontmatter by default"
+    );
+
+    assert_eq!(
+        to_html_with_options("---\ntitle: Jupyter\n---", &frontmatter)?,
+        "",
+        "should support frontmatter (yaml)"
+    );
+
+    assert_eq!(
+        to_html_with_options("+++\ntitle = \"Jupyter\"\n+++", &frontmatter)?,
+        "",
+        "should support frontmatter (toml)"
+    );
+
+    assert_eq!(
+        to_html_with_options("---\n---", &frontmatter)?,
+        "",
+        "should support empty frontmatter"
+    );
+
+    assert_eq!(
+        to_html_with_options("--\n---", &frontmatter)?,
+        "<h2>--</h2>",
+        "should not support 2 markers in an opening fence"
+    );
+
+    assert_eq!(
+        to_html_with_options("----\n---", &frontmatter)?,
+        "<hr />\n<hr />",
+        "should not support 4 markers in an opening fence"
+    );
+
+    assert_eq!(
+        to_html_with_options("---\n--", &frontmatter)?,
+        "<hr />\n<p>--</p>",
+        "should not support 2 markers in a closing fence"
+    );
+
+    assert_eq!(
+        to_html_with_options("---\n--\n", &frontmatter)?,
+        "<hr />\n<p>--</p>\n",
+        "should not panic if newline after 2 marker closing fence"
+    );
+
+    assert_eq!(
+        to_html_with_options("---\n----", &frontmatter)?,
+        "<hr />\n<hr />",
+        "should not support 4 markers in a closing fence"
+    );
+
+    assert_eq!(
+        to_html_with_options("---\n---\n## Neptune", &frontmatter)?,
+        "<h2>Neptune</h2>",
+        "should support content after frontmatter"
+    );
+
+    assert_eq!(
+        to_html_with_options("--- \t\n---", &frontmatter)?,
+        "",
+        "should support spaces and tabs after opening fence"
+    );
+
+    assert_eq!(
+        to_html_with_options("---\n---\t ", &frontmatter)?,
+        "",
+        "should support spaces and tabs after closing fence"
+    );
+
+    assert_eq!(
+        to_html_with_options("---\n---\na\nb", &frontmatter)?,
+        "<p>a\nb</p>",
+        "should support line endings after frontmatter"
+    );
+
+    assert_eq!(
+        to_html_with_options("--- a\n---", &frontmatter)?,
+        "<h2>--- a</h2>",
+        "should not support content after opening fence"
+    );
+
+    assert_eq!(
+        to_html_with_options("---\n--- b", &frontmatter)?,
+        "<hr />\n<p>--- b</p>",
+        "should not support content after closing fence"
+    );
+
+    assert_eq!(
+        to_html_with_options("## Neptune\n---\n---", &frontmatter)?,
+        "<h2>Neptune</h2>\n<hr />\n<hr />",
+        "should not support frontmatter after content"
+    );
+
+    assert_eq!(
+        to_html_with_options("> ---\n> ---\n> ## Neptune", &frontmatter)?,
+        "<blockquote>\n<hr />\n<hr />\n<h2>Neptune</h2>\n</blockquote>",
+        "should not support frontmatter in a container"
+    );
+
+    assert_eq!(
+        to_html_with_options("---", &frontmatter)?,
+        "<hr />",
+        "should not support just an opening fence"
+    );
+
+    assert_eq!(
+        to_html_with_options("---\ntitle: Neptune", &frontmatter)?,
+        "<hr />\n<p>title: Neptune</p>",
+        "should not support a missing closing fence"
+    );
+
+    assert_eq!(
+        to_html_with_options("---\na\n\nb\n \t\nc\n---", &frontmatter)?,
+        "",
+        "should support blank lines in frontmatter"
+    );
+
+    assert_eq!(
+        to_mdast("---\na: b\n---", &frontmatter.parse)?,
+        Node::Root(Root {
+            children: vec![Node::Yaml(Yaml {
+                value: "a: b".into(),
+                position: Some(Position::new(1, 1, 0, 3, 4, 12))
+            })],
+            position: Some(Position::new(1, 1, 0, 3, 4, 12))
+        }),
+        "should support yaml as `Yaml`s in mdast"
+    );
+
+    assert_eq!(
+        to_mdast("+++\ntitle = \"Jupyter\"\n+++", &frontmatter.parse)?,
+        Node::Root(Root {
+            children: vec![Node::Toml(Toml {
+                value: "title = \"Jupyter\"".into(),
+                position: Some(Position::new(1, 1, 0, 3, 4, 25))
+            })],
+            position: Some(Position::new(1, 1, 0, 3, 4, 25))
+        }),
+        "should support toml as `Toml`s in mdast"
+    );
+
+    Ok(())
+}