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
68 lines
2.6 KiB
HTML
68 lines
2.6 KiB
HTML
<!DOCTYPE html>
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<title>Access to the Background Sync API is deferred</title>
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<meta name="variant" content="?target_hint=_self">
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<meta name="variant" content="?target_hint=_blank">
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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="/resources/testdriver.js"></script>
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<script src="/resources/testdriver-vendor.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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promise_test(async t => {
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const uid = token();
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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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// We grant the permission here to make a more discerning test because
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// periodicSync.register() waits until the permission is granted, which
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// is deferred during prerendering so the test would trivially pass without
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// the permission.
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await test_driver.set_permission({name: 'periodic-background-sync'}, 'granted');
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// Install the service worker first to test periodicSync.register in the
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// prerendering page.
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const scope = `resources/`;
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const script = `resources/do-nothing-worker.js`;
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const registration =
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await service_worker_unregister_and_register(t, script, scope);
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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 url = `resources/background-sync.https.html?uid=${uid}&target_hint=${getTargetHint()}`;
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window.open(url, '_blank', 'noopener');
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const result = await gotMessage;
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const expected = [
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{event: 'started waiting periodicSync.register', prerendering: true},
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{event: 'prerendering change', prerendering: false},
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{event: 'finished waiting periodicSync.register', 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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}, `The access to the Background Sync API should be deferred until the
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prerendered page is activated`);
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</script>
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