/
lib.rs
287 lines (246 loc) · 6.32 KB
/
lib.rs
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#![feature(proc_macro_hygiene)]
#![cfg(test)]
use html_macro::{html, text};
use std::collections::HashMap;
use virtual_node::{VirtualNode, VElement};
struct HtmlMacroTest<'a> {
desc: &'a str,
generated: VirtualNode,
expected: VirtualNode,
}
impl<'a> HtmlMacroTest<'a> {
/// Ensure that the generated and the expected virtual node are equal.
fn test(self) {
assert_eq!(self.generated, self.expected, "{}", self.desc);
}
}
#[test]
fn empty_div() {
HtmlMacroTest {
desc: "Empty div",
generated: html! { <div></div> },
expected: VirtualNode::element("div"),
}
.test();
}
#[test]
fn one_prop() {
let mut props = HashMap::new();
props.insert("id".to_string(), "hello-world".to_string());
let mut expected = VElement::new("div");
expected.props = props;
HtmlMacroTest {
desc: "One property",
generated: html! { <div id="hello-world"></div> },
expected: expected.into(),
}
.test();
}
#[test]
fn event() {
HtmlMacroTest {
desc: "Events are ignored in non wasm-32 targets",
generated: html! {
<div onclick=|_: u8|{}></div>
},
expected: html! {<div></div>},
}
.test();
}
#[test]
fn child_node() {
let mut expected = VElement::new("div");
expected.children = vec![VirtualNode::element("span")];
HtmlMacroTest {
desc: "Child node",
generated: html! { <div><span></span></div> },
expected: expected.into(),
}
.test();
}
#[test]
fn sibling_child_nodes() {
let mut expected = VElement::new("div");
expected.children = vec![VirtualNode::element("span"), VirtualNode::element("b")];
HtmlMacroTest {
desc: "Sibling child nodes",
generated: html! { <div><span></span><b></b></div> },
expected: expected.into(),
}
.test();
}
#[test]
fn three_nodes_deep() {
let mut child = VElement::new("span");
child.children = vec![VirtualNode::element("b")];
let mut expected = VElement::new("div");
expected.children = vec![child.into()];
HtmlMacroTest {
desc: "Nested 3 nodes deep",
generated: html! { <div><span><b></b></span></div> },
expected: expected.into(),
}
.test()
}
#[test]
fn sibling_text_nodes() {
let mut expected = VElement::new("div");
expected.children = vec![VirtualNode::text("This is a text node")];
HtmlMacroTest {
desc: "Nested text node",
generated: html! { <div>This is a text node</div> },
expected: expected.into(),
}
.test();
}
#[test]
fn nested_macro() {
let child_2 = html! { <b></b> };
let mut expected = VElement::new("div");
expected.children = vec![VirtualNode::element("span"), VirtualNode::element("b")];
HtmlMacroTest {
desc: "Nested macros",
generated: html! {
<div>
{ html! { <span></span> } }
{ child_2 }
</div>
},
expected: expected.into(),
}
.test();
}
#[test]
fn block_root() {
let em = html! { <em></em> };
let expected = VirtualNode::element("em");
HtmlMacroTest {
desc: "Block root node",
generated: html! {
{ em }
},
expected,
}
.test();
}
#[test]
fn text_next_to_block() {
let child = html! { <ul></ul> };
let mut expected = VElement::new("div");
expected.children = vec![
VirtualNode::text("A bit of text"),
VirtualNode::element("ul"),
];
HtmlMacroTest {
desc: "Text node next to a block",
generated: html! {
<div>
A bit of text
{ child }
</div>
},
expected: expected.into(),
}
.test();
}
#[test]
fn punctuation_comma() {
let text = "Hello, World";
HtmlMacroTest {
desc: "Comma",
generated: html! { Hello, World},
expected: VirtualNode::text(text),
}
.test()
}
#[test]
fn punctuation_exclamation() {
let text = "Hello World!";
HtmlMacroTest {
desc: "Exclamation point",
generated: html! { Hello World! },
expected: VirtualNode::text(text),
}
.test()
}
#[test]
fn punctuation_period() {
let text = "Hello.";
HtmlMacroTest {
desc: "Period",
generated: html! { Hello. },
expected: VirtualNode::text(text),
}
.test()
}
#[test]
fn vec_of_nodes() {
let children = vec![html! { <div> </div>}, html! { <strong> </strong>}];
let mut expected = VElement::new("div");
expected.children = vec![VirtualNode::element("div"), VirtualNode::element("strong")];
HtmlMacroTest {
desc: "Vec of nodes",
generated: html! { <div> { children } </div> },
expected: expected.into(),
}
.test();
}
#[test]
fn text_root_node() {
HtmlMacroTest {
desc: "Text as root node",
generated: html! { some text },
expected: VirtualNode::text("some text"),
}
.test()
}
/// Just make sure that this compiles since type is a keyword
#[test]
fn type_attribute() {
html! { <link rel="stylesheet" type="text/css" href="/app.css" /> };
}
#[test]
fn text_macro() {
let text_var = "some text";
HtmlMacroTest {
desc: "text! creates text from variables",
generated: text!(text_var),
expected: VirtualNode::text("some text"),
}
.test()
}
// Verify that all of our self closing tags work as both.
// Self closing tags can be written as either <tag> and <tag />
#[test]
fn self_closing_tag() {
let mut expected = VElement::new("div");
let children = vec![
"area", "base", "br", "col", "hr", "img", "input", "link", "meta", "param", "command",
"keygen", "source",
]
.into_iter()
.map(|tag| VirtualNode::element(tag))
.collect();
expected.children = children;
let desc = &format!("Self closing tag without baskslash");
HtmlMacroTest {
desc,
generated: html! {
<div>
<area> <base> <br> <col> <hr> <img> <input> <link> <meta> <param> <command>
<keygen> <source>
</div>
},
expected: expected.into(),
}
.test();
let desc = &format!("Self closing tag with backslash");
HtmlMacroTest {
desc,
generated: html! {
<br />
},
expected: VirtualNode::element("br"),
}
.test();
}