Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- This WPT test may be referenced by the following Test IDs:
- /service-workers/service-worker/multiple-update.https.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
if possible. This testcase is used to make sure the optimization algorithm
doesn't go wrong. -->
<title>Service Worker: Trigger multiple updates</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
promise_test(function(t) {
var script = 'resources/update-nocookie-worker.py';
var scope = 'resources/scope/update';
var expected_url = normalizeURL(script);
var registration;
return service_worker_unregister_and_register(t, expected_url, scope)
.then(function(r) {
t.add_cleanup(function() {
return service_worker_unregister(t, scope);
});
registration = r;
return wait_for_state(t, registration.installing, 'activated');
})
.then(function() {
// Test single update works before triggering multiple update events
return Promise.all([registration.update(),
wait_for_update(t, registration)]);
})
.then(function() {
assert_equals(registration.installing.scriptURL, expected_url,
'new installing should be set after update resolves.');
assert_equals(registration.waiting, null,
'waiting should still be null after update resolves.');
assert_equals(registration.active.scriptURL, expected_url,
'active should still exist after update found.');
return wait_for_state(t, registration.installing, 'installed');
})
.then(function() {
assert_equals(registration.installing, null,
'installing should be null after installing.');
if (registration.waiting) {
assert_equals(registration.waiting.scriptURL, expected_url,
'waiting should be set after installing.');
assert_equals(registration.active.scriptURL, expected_url,
'active should still exist after installing.');
return wait_for_state(t, registration.waiting, 'activated');
}
})
.then(function() {
// Test triggering multiple update events at the same time.
var promiseList = [];
const burstUpdateCount = 10;
for (var i = 0; i < burstUpdateCount; i++) {
promiseList.push(registration.update());
}
promiseList.push(wait_for_update(t, registration));
return Promise.all(promiseList);
})
.then(function() {
assert_equals(registration.installing.scriptURL, expected_url,
'new installing should be set after update resolves.');
assert_equals(registration.waiting, null,
'waiting should still be null after update resolves.');
assert_equals(registration.active.scriptURL, expected_url,
'active should still exist after update found.');
return wait_for_state(t, registration.installing, 'installed');
})
.then(function() {
assert_equals(registration.installing, null,
'installing should be null after installing.');
if (registration.waiting) {
assert_equals(registration.waiting.scriptURL, expected_url,
'waiting should be set after installing.');
assert_equals(registration.active.scriptURL, expected_url,
'active should still exist after installing.');
return wait_for_state(t, registration.waiting, 'activated');
}
})
.then(function() {
// Test update still works after handling update event burst.
return Promise.all([registration.update(),
wait_for_update(t, registration)]);
})
.then(function() {
assert_equals(registration.installing.scriptURL, expected_url,
'new installing should be set after update resolves.');
assert_equals(registration.waiting, null,
'waiting should be null after activated.');
assert_equals(registration.active.scriptURL, expected_url,
'active should still exist after update found.');
});
}, 'Trigger multiple updates.');
</script>