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-rw-r--r--testing/web-platform/tests/preload/prefetch-events.html97
1 files changed, 97 insertions, 0 deletions
diff --git a/testing/web-platform/tests/preload/prefetch-events.html b/testing/web-platform/tests/preload/prefetch-events.html
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+++ b/testing/web-platform/tests/preload/prefetch-events.html
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+<!DOCTYPE html>
+<title>Ensures that prefetch respects HTTP cache semantics</title>
+<meta name="timeout" content="long">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/utils.js"></script>
+<script src="resources/prefetch-helper.js"></script>
+<script src="/common/get-host-info.sub.js"></script>
+<body>
+<script>
+const {REMOTE_ORIGIN} = get_host_info();
+async function prefetch(link, uid, t) {
+ link.rel = "prefetch";
+ document.head.appendChild(link);
+ const event = new Promise(resolve => {
+ link.addEventListener("error", () => resolve("error"));
+ link.addEventListener("load", () => resolve("load"));
+ t.step_timeout(() => resolve("timeout"), 1000);
+ });
+ return await event;
+}
+
+promise_test(async t => {
+ const uid = token();
+ const link = document.createElement("link");
+ link.href = `/preload/resources/prefetch-info.py?key=${uid}`;
+ const event = await prefetch(link, uid, t);
+ assert_equals(event, "load");
+}, "Prefetch should fire the load event");
+
+promise_test(async t => {
+ const uid = token();
+ const link = document.createElement("link");
+ link.href = `${REMOTE_ORIGIN}/preload/resources/prefetch-info.py?key=${uid}`;
+ const event = await prefetch(link, uid, t);
+ assert_equals(event, "load");
+}, "Cross-origin prefetch should fire the load event");
+
+promise_test(async t => {
+ const uid = token();
+ const link = document.createElement("link");
+ link.href = `/preload/resources/prefetch-info.py?key=${uid}&status=404`;
+ const event = await prefetch(link, uid, t);
+ assert_equals(event, "load");
+}, "Prefetch should fire the load event for 404");
+
+promise_test(async t => {
+ const uid = token();
+ const link = document.createElement("link");
+ link.href = `${REMOTE_ORIGIN}/preload/resources/prefetch-info.py?key=${uid}&status=404`;
+ const event = await prefetch(link, uid, t);
+ assert_equals(event, "load");
+}, "Prefetch should fire the load event for 404 (cross-origin)");
+
+promise_test(async t => {
+ const uid = token();
+ const link = document.createElement("link");
+ link.href = `/preload/resources/prefetch-info.py?key=${uid}&status=500`;
+ const event = await prefetch(link, uid, t);
+ assert_equals(event, "load");
+}, "Prefetch should fire the load event for 500");
+
+promise_test(async t => {
+ const uid = token();
+ const link = document.createElement("link");
+ link.href = `${REMOTE_ORIGIN}/preload/resources/prefetch-info.py?key=${uid}&status=500`;
+ const event = await prefetch(link, uid, t);
+ assert_equals(event, "load");
+}, "Cross-origin prefetch should fire the load event for 500");
+
+promise_test(async t => {
+ const uid = token();
+ const link = document.createElement("link");
+ link.crossOrigin = "anonymous";
+ link.href = `${REMOTE_ORIGIN}/preload/resources/prefetch-info.py?key=${uid}&cors=false`;
+ const event = await prefetch(link, uid, t);
+ assert_equals(event, "error");
+}, "Prefetch should fire the error event for network errors");
+
+promise_test(async t => {
+ const uid = token();
+ const link = document.createElement("link");
+ link.crossOrigin = "anonymous";
+ const event = await prefetch(link, uid, t);
+ assert_equals(event, "timeout");
+}, "Prefetch should do nothing with an empty href");
+
+promise_test(async t => {
+ const uid = token();
+ const link = document.createElement("link");
+ link.href = "https://example.com\u0000mozilla.org";
+ link.crossOrigin = "anonymous";
+ const event = await prefetch(link, uid, t);
+ assert_equals(event, "timeout");
+}, "Prefetch should do nothing with an invalid href");
+</script>
+</body> \ No newline at end of file