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<!DOCTYPE html>
<html>
<title>Service Worker: FetchEvent.handled</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
let frame = null;
let worker = null;
const script = 'resources/fetch-event-handled-worker.js';
const scope = 'resources/simple.html';
const channel = new MessageChannel();
// Wait for a message from the service worker and removes the message handler.
function wait_for_message_from_worker() {
return new Promise((resolve) => channel.port2.onmessage = (event) => resolve(event.data));
}
// Global setup: this must be the first promise_test.
promise_test(async (t) => {
const registration =
await service_worker_unregister_and_register(t, script, scope);
worker = registration.installing;
if (!worker)
worker = registration.active;
worker.postMessage({port:channel.port1}, [channel.port1]);
await wait_for_state(t, worker, 'activated');
}, 'global setup');
promise_test(async (t) => {
const promise = with_iframe(scope);
const message = await wait_for_message_from_worker();
frame = await promise;
assert_equals(message, 'RESOLVED');
}, 'FetchEvent.handled should resolve when respondWith() is not called for a' +
' navigation request');
promise_test(async (t) => {
frame.contentWindow.fetch('sample.txt?respondWith-not-called');
const message = await wait_for_message_from_worker();
assert_equals(message, 'RESOLVED');
}, 'FetchEvent.handled should resolve when respondWith() is not called for a' +
' sub-resource request');
promise_test(async (t) => {
frame.contentWindow.fetch(
'sample.txt?respondWith-not-called-and-event-canceled').catch((e) => {});
const message = await wait_for_message_from_worker();
assert_equals(message, 'REJECTED');
}, 'FetchEvent.handled should reject when respondWith() is not called and the' +
' event is canceled');
promise_test(async (t) => {
frame.contentWindow.fetch(
'sample.txt?respondWith-called-and-promise-resolved');
const message = await wait_for_message_from_worker();
assert_equals(message, 'RESOLVED');
}, 'FetchEvent.handled should resolve when the promise provided' +
' to respondWith() is resolved');
promise_test(async (t) => {
frame.contentWindow.fetch(
'sample.txt?respondWith-called-and-promise-resolved-to-invalid-response')
.catch((e) => {});
const message = await wait_for_message_from_worker();
assert_equals(message, 'REJECTED');
}, 'FetchEvent.handled should reject when the promise provided' +
' to respondWith() is resolved to an invalid response');
promise_test(async (t) => {
frame.contentWindow.fetch(
'sample.txt?respondWith-called-and-promise-rejected').catch((e) => {});
const message = await wait_for_message_from_worker();
assert_equals(message, 'REJECTED');
}, 'FetchEvent.handled should reject when the promise provided to' +
' respondWith() is rejected');
// Global cleanup: the final promise_test.
promise_test(async (t) => {
if (frame)
frame.remove();
await service_worker_unregister(t, scope);
}, 'global cleanup');
</script>
</html>
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