maud/maud_macros/tests/control_structures.rs
2016-09-23 19:36:42 +12:00

110 lines
2.7 KiB
Rust

#![feature(conservative_impl_trait, plugin)]
#![plugin(maud_macros)]
extern crate maud;
#[test]
fn if_expr() {
for (number, &name) in (1..4).zip(["one", "two", "three"].iter()) {
let s = html! {
@if number == 1 {
"one"
} @else if number == 2 {
"two"
} @else if number == 3 {
"three"
} @else {
"oh noes"
}
}.into_string();
assert_eq!(s, name);
}
}
#[test]
fn if_let() {
for &(input, output) in [(Some("yay"), "yay"), (None, "oh noes")].iter() {
let s = html! {
@if let Some(value) = input {
(value)
} @else {
"oh noes"
}
}.into_string();
assert_eq!(s, output);
}
}
#[test]
fn for_expr() {
let ponies = ["Apple Bloom", "Scootaloo", "Sweetie Belle"];
let s = html! {
ul @for pony in &ponies {
li (pony)
}
}.into_string();
assert_eq!(s, concat!(
"<ul>",
"<li>Apple Bloom</li>",
"<li>Scootaloo</li>",
"<li>Sweetie Belle</li>",
"</ul>"));
}
#[test]
fn match_expr() {
for &(input, output) in [(Some("yay"), "<div>yay</div>"), (None, "oh noes")].iter() {
let s = html! {
@match input {
Some(value) => {
div (value)
},
None => {
"oh noes"
},
}
}.into_string();
assert_eq!(s, output);
}
}
#[test]
fn match_expr_without_delims() {
for &(input, output) in [(Some("yay"), "yay"), (None, "<span>oh noes</span>")].iter() {
let s = html! {
@match input {
Some(value) => (value),
None => span "oh noes",
}
}.into_string();
assert_eq!(s, output);
}
}
#[test]
fn match_expr_with_guards() {
for &(input, output) in [(Some(1), "one"), (None, "none"), (Some(2), "2")].iter() {
let s = html! {
@match input {
Some(value) if value == 1 => "one",
Some(value) => (value),
None => "none",
}
}.into_string();
assert_eq!(s, output);
}
}
#[test]
fn match_in_attribute() {
for &(input, output) in [(1, "<span class=\"one\">1</span>"), (2, "<span class=\"two\">2</span>"), (3, "<span class=\"many\">3</span>")].iter() {
let s = html! {
span class=@match input {
1 => "one",
2 => "two",
_ => "many",
} { (input) }
}.into_string();
assert_eq!(s, output);
}
}