139 lines
3.3 KiB
Rust
139 lines
3.3 KiB
Rust
#![feature(plugin)]
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#![plugin(maud_macros)]
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extern crate maud;
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use std::fmt;
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#[test]
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fn if_expr() {
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for (number, &name) in (1..4).zip(["one", "two", "three"].iter()) {
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let mut s = String::new();
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html!(s, {
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@if number == 1 {
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"one"
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} @else if number == 2 {
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"two"
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} @else if number == 3 {
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"three"
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} @else {
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"oh noes"
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}
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}).unwrap();
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assert_eq!(s, name);
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}
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}
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#[test]
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fn if_let() {
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for &(input, output) in [(Some("yay"), "yay"), (None, "oh noes")].iter() {
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let mut s = String::new();
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html!(s, {
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@if let Some(value) = input {
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^value
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} @else {
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"oh noes"
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}
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}).unwrap();
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assert_eq!(s, output);
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}
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}
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#[test]
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fn for_expr() {
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let ponies = ["Apple Bloom", "Scootaloo", "Sweetie Belle"];
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let mut s = String::new();
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html!(s, {
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ul @for pony in &ponies {
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li ^pony
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}
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}).unwrap();
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assert_eq!(s, concat!(
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"<ul>",
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"<li>Apple Bloom</li>",
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"<li>Scootaloo</li>",
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"<li>Sweetie Belle</li>",
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"</ul>"));
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}
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#[test]
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fn match_expr() {
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for &(input, output) in [(Some("yay"), "<div>yay</div>"), (None, "oh noes")].iter() {
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let mut s = String::new();
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html!(s, {
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@match input {
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Some(value) => {
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div { ^value }
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},
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None => {
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"oh noes"
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},
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}
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}).unwrap();
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assert_eq!(s, output);
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}
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}
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#[test]
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fn match_expr_without_delims() {
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for &(input, output) in [(Some("yay"), "yay"), (None, "<span>oh noes</span>")].iter() {
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let mut s = String::new();
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html!(s, {
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@match input {
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Some(value) => ^value,
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None => span { "oh noes" },
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}
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}).unwrap();
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assert_eq!(s, output);
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}
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}
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#[test]
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fn match_expr_with_guards() {
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for &(input, output) in [(Some(1), "one"), (None, "none"), (Some(2), "2")].iter() {
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let mut s = String::new();
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html!(s, {
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@match input {
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Some(value) if value == 1 => "one",
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Some(value) => ^value,
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None => "none",
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}
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}).unwrap();
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assert_eq!(s, output);
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}
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}
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#[test]
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fn match_in_attribute() {
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for &(input, output) in [(1, "<span class=\"one\">1</span>"), (2, "<span class=\"two\">2</span>"), (3, "<span class=\"many\">3</span>")].iter() {
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let mut s = String::new();
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html!(s, {
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span class=@match input {
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1 => "one",
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2 => "two",
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_ => "many",
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} { ^input }
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}).unwrap();
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assert_eq!(s, output);
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}
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}
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#[test]
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fn call() {
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fn ducks(w: &mut fmt::Write) -> fmt::Result {
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write!(w, "Ducks")
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}
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let mut s = String::new();
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let swans = |yes|
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if yes {
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|w: &mut fmt::Write| write!(w, "Swans")
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} else {
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panic!("oh noes")
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};
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html!(s, {
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@call ducks
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@call (|w: &mut fmt::Write| write!(w, "Geese"))
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@call swans(true)
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}).unwrap();
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assert_eq!(s, "DucksGeeseSwans");
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}
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