97 lines
No EOL
3.6 KiB
HTML
97 lines
No EOL
3.6 KiB
HTML
<!DOCTYPE html>
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<title>Ensures that prefetch respects HTTP cache semantics</title>
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<meta name="timeout" content="long">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/common/utils.js"></script>
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<script src="resources/prefetch-helper.js"></script>
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<script src="/common/get-host-info.sub.js"></script>
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<body>
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<script>
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const {REMOTE_ORIGIN} = get_host_info();
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async function prefetch(link, uid, t) {
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link.rel = "prefetch";
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document.head.appendChild(link);
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const event = new Promise(resolve => {
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link.addEventListener("error", () => resolve("error"));
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link.addEventListener("load", () => resolve("load"));
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t.step_timeout(() => resolve("timeout"), 1000);
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});
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return await event;
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}
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promise_test(async t => {
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const uid = token();
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const link = document.createElement("link");
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link.href = `/preload/resources/prefetch-info.py?key=${uid}`;
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const event = await prefetch(link, uid, t);
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assert_equals(event, "load");
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}, "Prefetch should fire the load event");
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promise_test(async t => {
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const uid = token();
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const link = document.createElement("link");
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link.href = `${REMOTE_ORIGIN}/preload/resources/prefetch-info.py?key=${uid}`;
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const event = await prefetch(link, uid, t);
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assert_equals(event, "load");
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}, "Cross-origin prefetch should fire the load event");
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promise_test(async t => {
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const uid = token();
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const link = document.createElement("link");
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link.href = `/preload/resources/prefetch-info.py?key=${uid}&status=404`;
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const event = await prefetch(link, uid, t);
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assert_equals(event, "load");
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}, "Prefetch should fire the load event for 404");
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promise_test(async t => {
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const uid = token();
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const link = document.createElement("link");
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link.href = `${REMOTE_ORIGIN}/preload/resources/prefetch-info.py?key=${uid}&status=404`;
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const event = await prefetch(link, uid, t);
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assert_equals(event, "load");
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}, "Prefetch should fire the load event for 404 (cross-origin)");
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promise_test(async t => {
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const uid = token();
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const link = document.createElement("link");
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link.href = `/preload/resources/prefetch-info.py?key=${uid}&status=500`;
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const event = await prefetch(link, uid, t);
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assert_equals(event, "load");
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}, "Prefetch should fire the load event for 500");
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promise_test(async t => {
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const uid = token();
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const link = document.createElement("link");
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link.href = `${REMOTE_ORIGIN}/preload/resources/prefetch-info.py?key=${uid}&status=500`;
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const event = await prefetch(link, uid, t);
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assert_equals(event, "load");
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}, "Cross-origin prefetch should fire the load event for 500");
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promise_test(async t => {
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const uid = token();
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const link = document.createElement("link");
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link.crossOrigin = "anonymous";
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link.href = `${REMOTE_ORIGIN}/preload/resources/prefetch-info.py?key=${uid}&cors=false`;
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const event = await prefetch(link, uid, t);
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assert_equals(event, "error");
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}, "Prefetch should fire the error event for network errors");
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promise_test(async t => {
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const uid = token();
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const link = document.createElement("link");
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link.crossOrigin = "anonymous";
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const event = await prefetch(link, uid, t);
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assert_equals(event, "timeout");
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}, "Prefetch should do nothing with an empty href");
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promise_test(async t => {
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const uid = token();
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const link = document.createElement("link");
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link.href = "https://example.com\u0000mozilla.org";
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link.crossOrigin = "anonymous";
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const event = await prefetch(link, uid, t);
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assert_equals(event, "timeout");
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}, "Prefetch should do nothing with an invalid href");
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</script>
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</body> |