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<!DOCTYPE html>
<meta charset="utf-8">
<title>respondWith with a response built from a ReadableStream</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script src="/common/utils.js"></script>
<script>
'use strict';
const WORKER =
'resources/fetch-event-respond-with-readable-stream-worker.js';
const SCOPE =
'resources/blank.html';
// Register a service worker, then create an iframe at url.
function iframeTest(url, callback, name) {
return promise_test(async t => {
const reg = await service_worker_unregister_and_register(t, WORKER, SCOPE);
add_completion_callback(() => reg.unregister());
await wait_for_state(t, reg.installing, 'activated');
const iframe = await with_iframe(url);
const iwin = iframe.contentWindow;
t.add_cleanup(() => iframe.remove());
await callback(t, iwin);
}, name);
}
iframeTest(SCOPE, async (t, iwin) => {
const response = await iwin.fetch('?stream');
assert_equals(await response.text(), 'PASS');
}, 'Subresource built from a ReadableStream');
iframeTest(SCOPE + '?stream', (t, iwin) => {
assert_equals(iwin.document.body.textContent, 'PASS');
}, 'Main resource built from a ReadableStream');
iframeTest(SCOPE, async (t, iwin) => {
const response = await iwin.fetch('?stream&delay');
assert_equals(await response.text(), 'PASS');
}, 'Subresource built from a ReadableStream - delayed');
iframeTest(SCOPE + '?stream&delay', (t, iwin) => {
assert_equals(iwin.document.body.textContent, 'PASS');
}, 'Main resource built from a ReadableStream - delayed');
iframeTest(SCOPE, async (t, iwin) => {
const response = await iwin.fetch('?stream&use-fetch-stream');
assert_equals(await response.text(), 'PASS\n');
}, 'Subresource built from a ReadableStream - fetch stream');
iframeTest(SCOPE + '?stream&use-fetch-stream', (t, iwin) => {
assert_equals(iwin.document.body.textContent, 'PASS\n');
}, 'Main resource built from a ReadableStream - fetch stream');
for (const enqueue of [true, false]) {
const withStream = enqueue ? 'with nonempty stream' : 'with empty stream';
iframeTest(SCOPE, async (t, iwin) => {
const id = token();
let response = await iwin.fetch(`?stream&observe-cancel&id=${id}&enqueue=${enqueue}`);
response.body.cancel();
// Wait for a while to avoid a race between the cancel handling and the
// second fetch request.
await new Promise(r => step_timeout(r, 10));
response = await iwin.fetch(`?stream&query-cancel&id=${id}`);
assert_equals(await response.text(), 'cancelled');
}, `Cancellation in the page should be observable in the service worker ${withStream}`);
iframeTest(SCOPE, async (t, iwin) => {
const id = token();
const controller = new AbortController();
let response = await iwin.fetch(`?stream&observe-cancel&id=${id}&enqueue=${enqueue}`, {
signal: controller.signal
});
controller.abort();
// Wait for a while to avoid a race between the cancel handling and the
// second fetch request.
await new Promise(r => step_timeout(r, 10));
response = await iwin.fetch(`?stream&query-cancel&id=${id}`);
assert_equals(await response.text(), 'cancelled');
}, `Abort in the page should be observable in the service worker ${withStream}`);
}
</script>
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