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// Opens |url| in an iframe, establish a message channel with it, and waits for
// a message from the frame content. Returns a promise that resolves with the
// data of the message, or rejects on 15000ms timeout.
// If the iframe load is expected to fail, the test should have
// <meta name="timeout" content="long"> tag.
function openSXGInIframeAndWaitForMessage(test_object, url, referrerPolicy) {
return new Promise(async (resolve, reject) => {
// We can't catch the network error on iframe. So we use the timer.
test_object.step_timeout(() => reject('timeout'), 15000);
const frame = await withIframe(url, 'sxg_iframe', referrerPolicy);
const channel = new MessageChannel();
channel.port1.onmessage = (event) => resolve(event.data);
frame.contentWindow.postMessage(
{port: channel.port2}, '*', [channel.port2]);
});
}
function withIframe(url, name, referrerPolicy) {
return new Promise((resolve, reject) => {
const frame = document.createElement('iframe');
frame.src = url;
frame.name = name;
if (referrerPolicy !== undefined) {
frame.referrerPolicy = referrerPolicy;
}
frame.onload = () => resolve(frame);
frame.onerror = () => reject('failed to load ' + url);
document.body.appendChild(frame);
});
}
function loadScript(url) {
return new Promise((resolve, reject) => {
const scriptTag = document.createElement('script');
scriptTag.src = url;
scriptTag.onload = () => resolve();
scriptTag.onerror = () => reject('failed to load ' + url);
document.head.appendChild(scriptTag);
});
}
function innerURLOrigin() {
}
function runReferrerTests(test_cases) {
for (const i in test_cases) {
const test_case = test_cases[i];
promise_test(async (t) => {
const sxgUrl = test_case.origin + '/signed-exchange/resources/sxg/' +
test_case.sxg;
const message =
await openSXGInIframeAndWaitForMessage(
t, sxgUrl, test_case.referrerPolicy);
assert_false(message.is_fallback);
assert_equals(message.referrer, test_case.expectedReferrer);
const invalidSxgUrl =
test_case.origin + '/signed-exchange/resources/sxg/invalid-' +
test_case.sxg;
const fallbackMessage =
await openSXGInIframeAndWaitForMessage(
t, invalidSxgUrl, test_case.referrerPolicy);
assert_true(fallbackMessage.is_fallback);
assert_equals(fallbackMessage.referrer, test_case.expectedReferrer);
}, 'Referrer of SignedHTTPExchange test : ' + JSON.stringify(test_case));
}
}
function addPrefetch(url) {
const link = document.createElement('link');
link.rel = 'prefetch';
link.href = url;
document.body.appendChild(link);
}
async function registerServiceWorkerAndWaitUntilActivated(script, scope) {
const reg = await navigator.serviceWorker.register(script, {scope: scope});
if (reg.active)
return;
const worker = reg.installing || reg.waiting;
await new Promise((resolve) => {
worker.addEventListener('statechange', (event) => {
if (event.target.state == 'activated')
resolve();
});
});
}