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sousa-gecko/testing/web-platform/tests/speculation-rules/prerender/no-vary-search-hint-target-blank.https.html
T
Sam Sneddon 5bbaff2951 Bug 2032349 [wpt PR 59217] - Speculation Rules prerender tests should check for support, a=testonly
Automatic update from web-platform-tests
Speculation Rules prerender tests should check for support

We're seeing timeouts on the STP bots, because spending over an hour
timing out on speculation rules tests just eats into the timeout.

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wpt-commits: 9f7999f4b3dd412a338f3231228e64230d6a6531
wpt-pr: 59217
2026-04-23 10:14:37 +00:00

96 lines
3.9 KiB
HTML

<!DOCTYPE html>
<meta charset="utf-8">
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="../resources/utils.js"></script>
<script src="resources/utils.js"></script>
<script src="/common/subset-tests.js"></script>
<script src="../prefetch/no-vary-search/test-utils.js"></script>
<script src="../prefetch/no-vary-search/hint-test-inputs.js"></script>
<meta name="variant" content="?1-1">
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<meta name="variant" content="?28-last">
<body></body>
<script>
setup(() => assertSpeculationRulesIsSupported('prerender'));
function prerender_no_vary_search_test(description, noVarySearch, noVarySearchHint, prefetchQuery, navigateQuery, shouldUse) {
promise_test(async t => {
const prefetchQueryParams = new URLSearchParams(prefetchQuery);
const navigateQueryParams = new URLSearchParams(navigateQuery);
addNoVarySearchHeaderUsingPipe(prefetchQueryParams, noVarySearch);
addNoVarySearchHeaderUsingPipe(navigateQueryParams, noVarySearch);
const params = {
'prerendering': prefetchQueryParams,
'activating': navigateQueryParams
};
const rule_extras = {
'expects_no_vary_search': noVarySearchHint,
'target_hint': '_blank'
};
// TODO(crbug.com/343754418): Block serving a response to prerendering
// request until `tryToActivate` processes the No-Vary-Search hint and
// starts waiting for the response. See prefetch-single-with-hint.https.html
// and prefetch_nvs_hint.py. Without that, the No-Vary-Search header may
// arrive before the hint is processed. The case is not what this test want
// to confirm.
const {exec, tryToActivate, getNetworkRequestCount} =
await create_prerendered_page(t, params, undefined, rule_extras);
// Ensure the prerender page is fully loaded before attempting activation.
await exec(() => {});
if (shouldUse) {
// The request should be sent only one time for prerendering.
assert_equals(await tryToActivate(), 'activated');
assert_equals(await getNetworkRequestCount(), '1');
} else {
// The request should be sent twice for prerendering and real navigation
// that doesn't activate the prerendered page.
assert_equals(await tryToActivate(), 'discarded');
assert_equals(await getNetworkRequestCount(), '2');
}
}, description);
}
// TODO(crbug.com/499027745): Adding noVarySearchHint to subsetTest causes test
// flakiness. Will need to update tests or test infra.
hint_test_inputs.forEach(({description, noVarySearch, noVarySearchHint, prefetchQuery, navigateQuery, shouldUse}) => {
subsetTest(prerender_no_vary_search_test, description, noVarySearch, prefetchQuery, navigateQuery, shouldUse);
});
</script>