mozilla-central/testing/web-platform/tests/speculation-rules/prerender/no-vary-search.https.html

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<!DOCTYPE html>
<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/test-inputs.js"></script>
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<body></body>
<script>
setup(() => assertSpeculationRulesIsSupported());
function prerender_no_vary_search_test(description, noVarySearch, 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 {exec, tryToActivate, getNetworkRequestCount, prerenderingURL, activatingURL} =
await create_prerendered_page(t, params);
if (shouldUse) {
// The request should be sent only one time for prerendering.
// Test that the URL changes, and that popstate isn't called as part of
// activation changing the URL.
await exec(() => {
window.popstateFired = false;
window.addEventListener("popstate", () => {
window.popstateFired = true;
});
});
assert_equals(await exec(() => location.href), prerenderingURL, 'location.href before activation');
assert_equals(await tryToActivate(), 'activated');
assert_equals(await getNetworkRequestCount(), '1');
assert_equals(await exec(() => location.href), activatingURL, 'location.href after activation');
assert_equals(await exec(() => window.popstateFired), false, 'popstate must not be fired');
} 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);
}
test_inputs.forEach(({description, noVarySearch, prefetchQuery, navigateQuery, shouldUse}) => {
subsetTest(prerender_no_vary_search_test, description, noVarySearch, prefetchQuery, navigateQuery, shouldUse);
});
</script>