Sam Sneddon
5bbaff2951
Automatic update from web-platform-tests Speculation Rules prerender tests should check for support We're seeing timeouts on the STP bots, because spending over an hour timing out on speculation rules tests just eats into the timeout. -- wpt-commits: 9f7999f4b3dd412a338f3231228e64230d6a6531 wpt-pr: 59217
59 lines
2.2 KiB
HTML
59 lines
2.2 KiB
HTML
<!DOCTYPE html>
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<title>postMessage() between service worker and prerendered page</title>
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<meta name="timeout" content="long">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/common/utils.js"></script>
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<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>
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<script src="../resources/utils.js"></script>
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<script src="resources/utils.js"></script>
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<body>
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<script>
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setup(() => assertSpeculationRulesIsSupported('prerender'));
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const uid = token();
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const PAGE_URL = `resources/postmessage-to-service-worker.html?uid=${uid}`;
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const WORKER_URL = 'resources/postmessage-to-client-worker.js';
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// Message sequence: prerendered page => service worker => prerendered page =>
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// main page
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promise_test(async t => {
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const registration =
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await service_worker_unregister_and_register(t, WORKER_URL, PAGE_URL);
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t.add_cleanup(() => registration.unregister());
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await wait_for_state(t, registration.installing, 'activated');
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const bc = new PrerenderChannel('test-channel', uid);
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t.add_cleanup(_ => bc.close());
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const gotMessage = new Promise(resolve => {
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bc.addEventListener('message', e => {
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resolve(e.data);
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}, {
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once: true
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});
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});
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window.open(PAGE_URL, '_blank', 'noopener');
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const result = await gotMessage;
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const expected = [
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{event: 'started waiting ServiceWorker.postMessage', prerendering: true},
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{event: 'prerendering change', prerendering: false},
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{event: 'postmessage to client', prerendering: false},
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{event: 'finished waiting ServiceWorker.postMessage', prerendering: false},
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];
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assert_equals(result.length, expected.length);
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for (let i = 0; i < result.length; i++) {
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assert_equals(result[i].event, expected[i].event, `event[${i}]`);
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assert_equals(result[i].prerendering, expected[i].prerendering,
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`prerendering[${i}]`);
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}
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// Send a close signal to PrerenderEventCollector on the prerendered page.
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new PrerenderChannel('close', uid).postMessage('');
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}, 'ServiceWorker#postMessage() from a prerendered page should be deferred ' +
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'until page activation.');
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</script>
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