el/src/lib.rs

113 lines
3 KiB
Rust

//! Create HTML by manipulating elements as structured data. Inspired by the
//! clojure library [hiccup][hiccup].
//!
//! [hiccup]: https://github.com/weavejester/hiccup
#[cfg(feature = "axum")]
mod axum;
mod check;
mod element;
pub mod html;
pub mod mathml;
mod render;
pub mod svg;
pub use self::{element::*, render::*};
#[cfg(test)]
mod tests {
use crate::{html::*, Attr, Content, Element, Render};
#[test]
fn simple_website() {
let els = [
Content::doctype(),
html((
head(title("Hello")),
body((h1("Hello"), p(("Hello ", em("world"), "!")))),
))
.into(),
];
assert_eq!(
els.render_to_string().unwrap(),
concat!(
"<!DOCTYPE html><html>",
"<head><title>Hello</title></head>",
"<body><h1>Hello</h1><p>Hello <em>world</em>!</p></body>",
"</html>",
),
);
}
#[test]
fn void_elements() {
// Difference between void and non-void
assert_eq!(head(()).render_to_string().unwrap(), "<head></head>");
assert_eq!(input(()).render_to_string().unwrap(), "<input>");
// Void elements must not contain any children
assert!(input(p(())).render_to_string().is_err());
}
#[test]
fn raw_text_elements() {
assert_eq!(
script("foo <script> & </style> bar")
.render_to_string()
.unwrap(),
"<script>foo <script> & </style> bar</script>",
);
println!("{:?}", script("hello </script> world").render_to_string(),);
assert!(script("hello </script> world").render_to_string().is_err());
assert!(script("hello </ScRiPt ... world")
.render_to_string()
.is_err());
}
#[test]
fn escaped_text_elements() {
assert_eq!(
textarea("foo <p> & bar").render_to_string().unwrap(),
"<textarea>foo &lt;p&gt; &amp; bar</textarea>",
);
assert!(textarea(p(())).render_to_string().is_err());
}
#[test]
fn attributes() {
assert_eq!(
input((
Attr::new("name", "tentacles"),
Attr::new("type", "number"),
Attr::new("min", 10),
Attr::new("max", 100),
))
.render_to_string()
.unwrap(),
r#"<input max="100" min="10" name="tentacles" type="number">"#,
);
assert_eq!(
input((Attr::new("name", "horns"), Attr::yes("checked")))
.render_to_string()
.unwrap(),
r#"<input checked name="horns">"#,
);
}
#[test]
fn always_lowercase() {
assert_eq!(
Element::normal("HTML")
.with(Attr::new("LANG", "EN"))
.render_to_string()
.unwrap(),
r#"<html lang="EN"></html>"#,
);
}
}