// META: script=../../../service-workers/service-worker/resources/test-helpers.sub.js
// META: script=/common/utils.js
// META: script=/common/get-host-info.sub.js
// META: script=resources/utils.js
const { REMOTE_HOST } = get_host_info();
const BASE_SCOPE = 'resources/basic.html?';
async function cleanup() {
for (const iframe of document.querySelectorAll('.test-iframe')) {
iframe.parentNode.removeChild(iframe);
}
for (const reg of await navigator.serviceWorker.getRegistrations()) {
await reg.unregister();
}
}
async function setupRegistration(t, scope) {
await cleanup();
const reg = await navigator.serviceWorker.register('resources/range-sw.js', { scope });
await wait_for_state(t, reg.installing, 'activated');
return reg;
}
function awaitMessage(obj, id) {
return new Promise(resolve => {
obj.addEventListener('message', function listener(event) {
if (event.data.id !== id) return;
obj.removeEventListener('message', listener);
resolve(event.data);
});
});
}
promise_test(async t => {
const scope = BASE_SCOPE + Math.random();
const reg = await setupRegistration(t, scope);
const iframe = await with_iframe(scope);
const w = iframe.contentWindow;
// Trigger a cross-origin range request using media
const url = new URL('long-wav.py?action=range-header-filter-test', w.location);
url.hostname = REMOTE_HOST;
appendAudio(w.document, url);
// See rangeHeaderFilterTest in resources/range-sw.js
await fetch_tests_from_worker(reg.active);
}, `Defer range header filter tests to service worker`);
promise_test(async t => {
const scope = BASE_SCOPE + Math.random();
const reg = await setupRegistration(t, scope);
const iframe = await with_iframe(scope);
const w = iframe.contentWindow;
// Trigger a cross-origin range request using media
const url = new URL('long-wav.py', w.location);
url.searchParams.set('action', 'range-header-passthrough-test');
url.searchParams.set('range-received-key', token());
url.hostname = REMOTE_HOST;
appendAudio(w.document, url);
// See rangeHeaderPassthroughTest in resources/range-sw.js
await fetch_tests_from_worker(reg.active);
}, `Defer range header passthrough tests to service worker`);
promise_test(async t => {
const scope = BASE_SCOPE + Math.random();
await setupRegistration(t, scope);
const iframe = await with_iframe(scope);
const w = iframe.contentWindow;
const id = Math.random() + '';
const storedRangeResponse = awaitMessage(w.navigator.serviceWorker, id);
// Trigger a cross-origin range request using media
const url = new URL('partial-script.py', w.location);
url.searchParams.set('require-range', '1');
url.searchParams.set('action', 'store-ranged-response');
url.searchParams.set('id', id);
url.hostname = REMOTE_HOST;
appendAudio(w.document, url);
await storedRangeResponse;
// Fetching should reject
const fetchPromise = w.fetch('?action=use-stored-ranged-response', { mode: 'no-cors' });
await promise_rejects_js(t, w.TypeError, fetchPromise);
// Script loading should error too
const loadScriptPromise = loadScript('?action=use-stored-ranged-response', { doc: w.document });
await promise_rejects_js(t, Error, loadScriptPromise);
await loadScriptPromise.catch(() => {});
assert_false(!!w.scriptExecuted, `Partial response shouldn't be executed`);
}, `Ranged response not allowed following no-cors ranged request`);
promise_test(async t => {
const scope = BASE_SCOPE + Math.random();
await setupRegistration(t, scope);
const iframe = await with_iframe(scope);
const w = iframe.contentWindow;
const id = Math.random() + '';
const storedRangeResponse = awaitMessage(w.navigator.serviceWorker, id);
// Trigger a range request using media
const url = new URL('partial-script.py', w.location);
url.searchParams.set('require-range', '1');
url.searchParams.set('action', 'store-ranged-response');
url.searchParams.set('id', id);
appendAudio(w.document, url);
await storedRangeResponse;
// This should not throw
await w.fetch('?action=use-stored-ranged-response');
// This shouldn't throw either
await loadScript('?action=use-stored-ranged-response', { doc: w.document });
assert_true(w.scriptExecuted, `Partial response should be executed`);
}, `Non-opaque ranged response executed`);
promise_test(async t => {
const scope = BASE_SCOPE + Math.random();
await setupRegistration(t, scope);
const iframe = await with_iframe(scope);
const w = iframe.contentWindow;
const fetchId = Math.random() + '';
const fetchBroadcast = awaitMessage(w.navigator.serviceWorker, fetchId);
const audioId = Math.random() + '';
const audioBroadcast = awaitMessage(w.navigator.serviceWorker, audioId);
const url = new URL('long-wav.py', w.location);
url.searchParams.set('action', 'broadcast-accept-encoding');
url.searchParams.set('id', fetchId);
await w.fetch(url, {
headers: { Range: 'bytes=0-10' }
});
assert_equals((await fetchBroadcast).acceptEncoding, null, "Accept-Encoding should not be set for fetch");
url.searchParams.set('id', audioId);
appendAudio(w.document, url);
assert_equals((await audioBroadcast).acceptEncoding, null, "Accept-Encoding should not be set for media");
}, `Accept-Encoding should not appear in a service worker`);
promise_test(async t => {
const scope = BASE_SCOPE + Math.random();
await setupRegistration(t, scope);
const iframe = await with_iframe(scope);
const w = iframe.contentWindow;
const length = 100;
const count = 3;
const counts = {};
// test a single range request size
async function testSizedRange(size, partialResponseCode) {
const rangeId = Math.random() + '';
const rangeBroadcast = awaitMessage(w.navigator.serviceWorker, rangeId);
// Create a bogus audio element to trick the browser into sending
// cross-origin range requests that can be manipulated by the service worker.
const sound_url = new URL('partial-text.py', w.location);
sound_url.hostname = REMOTE_HOST;
sound_url.searchParams.set('action', 'record-media-range-request');
sound_url.searchParams.set('length', length);
sound_url.searchParams.set('size', size);
sound_url.searchParams.set('partial', partialResponseCode);
sound_url.searchParams.set('id', rangeId);
sound_url.searchParams.set('type', 'audio/mp4');
appendAudio(w.document, sound_url);
// wait for the range requests to happen
await rangeBroadcast;
// Create multiple preload requests and count the number of resource timing
// entries that get created to make sure 206 and 416 range responses are treated
// the same.
const url = new URL('partial-text.py', w.location);
url.searchParams.set('action', 'use-media-range-request');
url.searchParams.set('size', size);
url.searchParams.set('type', 'audio/mp4');
counts['size' + size] = 0;
for (let i = 0; i < count; i++) {
await preloadImage(url, { doc: w.document });
}
}
// Test range requests from 1 smaller than the correct size to 1 larger than
// the correct size to exercise the various permutations using the default 206
// response code for successful range requests.
for (let size = length - 1; size <= length + 1; size++) {
await testSizedRange(size, '206');
}
// Test a successful range request using a 200 response.
await testSizedRange(length - 2, '200');
// Check the resource timing entries and count the reported number of fetches of each type
const resources = w.performance.getEntriesByType("resource");
for (const entry of resources) {
const url = new URL(entry.name);
if (url.searchParams.has('action') &&
url.searchParams.get('action') == 'use-media-range-request' &&
url.searchParams.has('size')) {
counts['size' + url.searchParams.get('size')]++;
}
}
// Make sure there are a non-zero number of preload requests and they are all the same
let counts_valid = true;
const first = 'size' + (length - 2);
for (let size = length - 2; size <= length + 1; size++) {
let key = 'size' + size;
if (!(key in counts) || counts[key] <= 0 || counts[key] != counts[first]) {
counts_valid = false;
break;
}
}
assert_true(counts_valid, `Opaque range request preloads were different for error and success`);
}, `Opaque range preload successes and failures should be indistinguishable`);
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