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| -rw-r--r-- | testing/web-platform/tests/preload/prefetch-events.html | 97 |
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 new file mode 100644 index 0000000000..7857b14f51 --- /dev/null +++ b/testing/web-platform/tests/preload/prefetch-events.html @@ -0,0 +1,97 @@ +<!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>
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