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<!DOCTYPE html>
<meta charset="utf-8">
<meta name=timeout content=long>
<title>Service Worker: Schedule Job algorithm</title>
<script src="/resources/testharness.js"></script>
<script src="resources/testharness-helpers.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
// Tests for https://w3c.github.io/ServiceWorker/#schedule-job-algorithm
// Non-equivalent register jobs should not be coalesced.
const scope = 'resources/';
const script1 = 'resources/empty.js';
const script2 = 'resources/empty.js?change';
async function cleanup() {
const registration = await navigator.serviceWorker.getRegistration(scope);
if (registration)
await registration.unregister();
}
function absolute_url(url) {
return new URL(url, self.location).toString();
}
// Test that a change to `script` starts a new register job.
promise_test(async t => {
await cleanup();
t.add_cleanup(cleanup);
// Make a registration.
const registration = await
navigator.serviceWorker.register(script1, {scope});
// Schedule two more register jobs.
navigator.serviceWorker.register(script1, {scope});
await navigator.serviceWorker.register(script2, {scope});
// The jobs should not have been coalesced.
const worker = get_newest_worker(registration);
assert_equals(worker.scriptURL, absolute_url(script2));
}, 'different scriptURL');
// Test that a change to `updateViaCache` starts a new register job.
promise_test(async t => {
await cleanup();
t.add_cleanup(cleanup);
// Check defaults.
const registration = await
navigator.serviceWorker.register(script1, {scope});
assert_equals(registration.updateViaCache, 'imports');
// Schedule two more register jobs.
navigator.serviceWorker.register(script1, {scope});
await navigator.serviceWorker.register(script1, {scope,
updateViaCache: 'none'});
// The jobs should not have been coalesced.
assert_equals(registration.updateViaCache, 'none');
}, 'different updateViaCache');
// Test that a change to `type` starts a new register job.
promise_test(async t => {
await cleanup();
t.add_cleanup(cleanup);
const scriptForTypeCheck = 'resources/type-check-worker.js';
// Check defaults.
const registration = await
navigator.serviceWorker.register(scriptForTypeCheck, {scope});
let worker_type = await new Promise((resolve) => {
navigator.serviceWorker.onmessage = (event) => {
resolve(event.data);
};
// The jobs should not have been coalesced. get_newest_worker() helps the
// test fail with stable output on browers that incorrectly coalesce
// register jobs, since then sometimes registration is not a new worker as
// expected.
const worker = get_newest_worker(registration);
// The argument of postMessage doesn't matter for this case.
worker.postMessage('');
});
assert_equals(worker_type, 'classic');
// Schedule two more register jobs.
navigator.serviceWorker.register(scriptForTypeCheck, {scope});
await navigator.serviceWorker.register(scriptForTypeCheck, {scope, type: 'module'});
worker_type = await new Promise((resolve) => {
navigator.serviceWorker.onmessage = (event) => {
resolve(event.data);
};
// The jobs should not have been coalesced. get_newest_worker() helps the
// test fail with stable output on browers that incorrectly coalesce
// register jobs, since then sometimes registration is not a new worker as
// expected.
const worker = get_newest_worker(registration);
// The argument of postMessage doesn't matter for this case.
worker.postMessage('');
});
assert_equals(worker_type, 'module');
}, 'different type');
</script>
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