leptos/examples/counters/tests/web.rs

116 lines
3.7 KiB
Rust

use wasm_bindgen::JsCast;
use wasm_bindgen_test::*;
wasm_bindgen_test_configure!(run_in_browser);
use counters::Counters;
use leptos::prelude::*;
use leptos::spawn::tick;
use web_sys::HtmlElement;
#[wasm_bindgen_test]
async fn inc() {
mount_to_body(Counters);
let document = document();
let div = document.query_selector("div").unwrap().unwrap();
let add_counter = div
.first_child()
.unwrap()
.dyn_into::<HtmlElement>()
.unwrap();
assert_eq!(
div.inner_html(),
"<button>Add Counter</button><button>Add 1000 \
Counters</button><button>Clear Counters</button><p>Total: \
<span data-testid=\"total\">0</span> from <span data-testid=\"counters\">0</span> counters.</p><ul><!----></ul>"
);
// add 3 counters
add_counter.click();
add_counter.click();
add_counter.click();
tick().await;
// check HTML
assert_eq!(
div.inner_html(),
"<button>Add Counter</button><button>Add 1000 \
Counters</button><button>Clear Counters</button><p>Total: \
<span data-testid=\"total\">0</span> from <span data-testid=\"counters\">3</span> \
counters.</p><ul><li><button>-1</button><input \
type=\"text\"><span>0</span><button>+1</button><button>x</button></\
li><li><button>-1</button><input \
type=\"text\"><span>0</span><button>+1</button><button>x</button></\
li><li><button>-1</button><input \
type=\"text\"><span>0</span><button>+1</button><button>x</button></\
li><!----></ul>"
);
let counters = div
.query_selector("ul")
.unwrap()
.unwrap()
.unchecked_into::<HtmlElement>()
.children();
// click first counter once, second counter twice, etc.
// `NodeList` isn't a `Vec` so we iterate over it in this slightly awkward way
for idx in 0..counters.length() {
let counter = counters.item(idx).unwrap();
let inc_button = counter
.first_child()
.unwrap()
.next_sibling()
.unwrap()
.next_sibling()
.unwrap()
.next_sibling()
.unwrap()
.unchecked_into::<HtmlElement>();
for _ in 0..=idx {
inc_button.click();
}
}
tick().await;
assert_eq!(
div.inner_html(),
"<button>Add Counter</button><button>Add 1000 \
Counters</button><button>Clear Counters</button><p>Total: \
<span data-testid=\"total\">6</span> from <span data-testid=\"counters\">3</span> \
counters.</p><ul><li><button>-1</button><input \
type=\"text\"><span>1</span><button>+1</button><button>x</button></\
li><li><button>-1</button><input \
type=\"text\"><span>2</span><button>+1</button><button>x</button></\
li><li><button>-1</button><input \
type=\"text\"><span>3</span><button>+1</button><button>x</button></\
li><!----></ul>"
);
// remove the first counter
counters
.item(0)
.unwrap()
.last_child()
.unwrap()
.unchecked_into::<HtmlElement>()
.click();
tick().await;
assert_eq!(
div.inner_html(),
"<button>Add Counter</button><button>Add 1000 \
Counters</button><button>Clear Counters</button><p>Total: \
<span data-testid=\"total\">5</span> from <span data-testid=\"counters\">2</span> \
counters.</p><ul><li><button>-1</button><input \
type=\"text\"><span>2</span><button>+1</button><button>x</button></\
li><li><button>-1</button><input \
type=\"text\"><span>3</span><button>+1</button><button>x</button></\
li><!----></ul>"
);
}