| // 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 3000ms timeout. |
| 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'), 3000); |
| |
| 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() { |
| return 'https://127.0.0.1:8444'; |
| } |
| |
| 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(); |
| }); |
| }); |
| } |