update test

pull/16197/head
Rich Harris 7 months ago
parent 8b691e9ea2
commit 81f066fb89

@ -1,37 +1,33 @@
import { flushSync, tick } from 'svelte'; import { flushSync, tick } from 'svelte';
import { deferred } from '../../../../src/internal/shared/utils.js'; import { ok, test } from '../../test';
import { test } from '../../test';
/** @type {ReturnType<typeof deferred>} */
let d;
export default test({ export default test({
html: `<p>pending</p>`, html: `
<button>cool</button>
get props() { <button>neat</button>
d = deferred(); <button>reset</button>
<p>pending</p>
return { `,
promise: d.promise
};
},
async test({ assert, target, component }) { async test({ assert, target, component }) {
d.resolve('cool'); const [cool, neat, reset] = target.querySelectorAll('button');
flushSync(() => cool.click());
await Promise.resolve(); await Promise.resolve();
await Promise.resolve(); await Promise.resolve();
await Promise.resolve(); await Promise.resolve();
await tick(); await tick();
flushSync(); flushSync();
assert.htmlEqual(target.innerHTML, '<p class="cool">hello</p>');
d = deferred(); const p = target.querySelector('p');
component.promise = d.promise; ok(p);
await tick(); assert.htmlEqual(p.outerHTML, '<p class="cool">hello</p>');
assert.htmlEqual(target.innerHTML, '<p class="cool">hello</p>');
flushSync(() => reset.click());
assert.htmlEqual(p.outerHTML, '<p class="cool">hello</p>');
d.resolve('neat'); flushSync(() => neat.click());
await tick(); await tick();
assert.htmlEqual(target.innerHTML, '<p class="neat">hello</p>'); assert.htmlEqual(p.outerHTML, '<p class="neat">hello</p>');
} }
}); });

@ -1,9 +1,13 @@
<script> <script>
let { promise } = $props(); let deferred = $state(Promise.withResolvers());
</script> </script>
<button onclick={() => deferred.resolve('cool')}>cool</button>
<button onclick={() => deferred.resolve('neat')}>neat</button>
<button onclick={() => deferred = Promise.withResolvers()}>reset</button>
<svelte:boundary> <svelte:boundary>
<p class={await promise}>hello</p> <p class={await deferred.promise}>hello</p>
{#snippet pending()} {#snippet pending()}
<p>pending</p> <p>pending</p>

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