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337 lines
14 KiB
HTML
337 lines
14 KiB
HTML
<!DOCTYPE html>
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<title>Use for navigation the requested prefetched response annotated with No-Vary-Search hint, if
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No-Vary-Search headers also match during navigation</title>
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<meta charset="utf-8">
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<meta name="variant" content="?1-1">
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<meta name="variant" content="?2-2">
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<meta name="variant" content="?3-3">
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<meta name="variant" content="?4-4">
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<meta name="variant" content="?5-5">
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<meta name="variant" content="?6-6">
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<meta name="variant" content="?7-7">
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<meta name="variant" content="?8-8">
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<meta name="variant" content="?9-9">
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<meta name="variant" content="?10-10">
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<meta name="variant" content="?11-11">
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<meta name="variant" content="?12-12">
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<meta name="variant" content="?13-13">
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<meta name="variant" content="?14-14">
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<meta name="variant" content="?15-15">
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<meta name="variant" content="?16-16">
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<meta name="variant" content="?17-17">
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<meta name="variant" content="?18-18">
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<meta name="variant" content="?19-19">
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<meta name="variant" content="?20-20">
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<meta name="variant" content="?21-21">
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<meta name="variant" content="?22-22">
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<meta name="variant" content="?23-23">
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<meta name="variant" content="?24-24">
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<meta name="variant" content="?25-last">
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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/dispatcher/dispatcher.js"></script>
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<script src="/common/utils.js"></script>
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<script src="../resources/utils.sub.js"></script>
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<script src="/common/subset-tests.js"></script>
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<script>
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function addNoVarySearchHeaderUsingQueryParam(url, value){
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// Use nvs_header query parameter to ask the wpt server
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// to populate No-Vary-Search response header.
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if(value){
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url.searchParams.append("nvs_header", value);
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}
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}
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/*
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remoteAgent: the RemoteContext instance used to communicate between the
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test and the window where prefetch/navigation is happening
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noVarySearchHeaderValue: the value of No-Vary-Search header to be populated
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for the prefetched response
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noVarySearchHintValue: the value of No-Vary-Search hint passed in
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as expects_no_vary_search hint in prefetch speculation rules.
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prefetchQuery: query params to be added to prefetchExecutor url and prefetched
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navigateQuery: query params to be added to prefetchExecutor url and navigated to
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*/
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async function prefetchAndNavigate(remoteAgent, noVarySearchHeaderValue, noVarySearchHintValue, prefetchQuery, navigateQuery){
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/*
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Flow:
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* prefetch prefetch_nvs_hint.py?uuid=...&nvs_header=...&otherqueryparams
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* the prefetch request above includes no_vary_search_hint in the speculation
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rules
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* the server blocks progress on this prefetch request on the server side so
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from the browser perspective the server is "thinking"
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* the test starts navigation to
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prefetch_nvs_hint.py?uuid=...&nvs_header=...&otherdifferentqueryparams.
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This navigation matches by No-Vary-Search hint the above in
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progress prefetch.
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* the test fetches prefetch_nvs_hint.py?uuid=...&unblock="unblock"
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which unblocks the in progress prefetch so that the in-progress
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navigation can continue
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*/
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const prefetch_nvs_hint_server_page = "prefetch_nvs_hint.py";
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const prefetchUrl = remoteAgent.getExecutorURL({executor:prefetch_nvs_hint_server_page});
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const navigateToUrl = new URL(prefetchUrl);
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// Add query params to the url to be prefetched.
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const additionalPrefetchedUrlSearchParams = new URLSearchParams(prefetchQuery);
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addNoVarySearchHeaderUsingQueryParam(prefetchUrl, noVarySearchHeaderValue);
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additionalPrefetchedUrlSearchParams.forEach((value, key) => {
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prefetchUrl.searchParams.append(key, value);
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});
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await remoteAgent.forceSinglePrefetch(prefetchUrl,
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{expects_no_vary_search:noVarySearchHintValue});
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// Add new query params to navigateToUrl to match No-Vary-Search test case.
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const additionalNavigateToUrlSearchParams = new URLSearchParams(navigateQuery);
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addNoVarySearchHeaderUsingQueryParam(navigateToUrl, noVarySearchHeaderValue);
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additionalNavigateToUrlSearchParams.forEach((value, key) => {
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navigateToUrl.searchParams.append(key, value);
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});
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// Url used by fetch in order to unblock the prefetched url
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const nvshint_unblock_url = remoteAgent.getExecutorURL(
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{executor:prefetch_nvs_hint_server_page, unblock:"unblock"});
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await remoteAgent.execute_script((unblock_url) => {
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onbeforeunload = (event) => {
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fetch(unblock_url);
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};
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}, [nvshint_unblock_url]);
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// Try navigating to a non-exact prefetched URL that matches by
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// No-Vary-Search hint
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// Wait for the navigation to finish
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await remoteAgent.navigate(navigateToUrl);
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}
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function prefetch_no_vary_search_test(description, noVarySearch, noVarySearchHint, prefetchQuery, navigateQuery, shouldUsePrefetch){
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promise_test(async t => {
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assert_implements(HTMLScriptElement.supports('speculationrules'), "Speculation Rules not supported");
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const agent = await spawnWindow(t, {});
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await prefetchAndNavigate(agent,
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noVarySearch,
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noVarySearchHint,
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prefetchQuery,
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navigateQuery);
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if(shouldUsePrefetch){
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assert_prefetched(await agent.getRequestHeaders(),
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"Navigation didn't use the prefetched response!");
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}
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else{
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assert_not_prefetched(await agent.getRequestHeaders(),
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"Navigation used the prefetched response!");
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}
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}, description);
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}
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// Test inputs:
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// - description: a description of the test.
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// - noVarySearch: No-Vary-Search header value for the response.
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// - noVarySearchHint: No-Vary-Search hint to include in prefetch
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// speculation rules
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// - prefetchQuery: added to query part of prefetch-executor when prefetching
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// - navigateQuery: added to query part of prefetch-executor when navigating
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// - shouldUsePrefetch: if the test case expects the prefetched entry to be
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// used or not.
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[{description:"Use in-flight prefetch as query parameter b has the same value.",
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noVarySearch: 'params=("a")',
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noVarySearchHint: 'params=("a")',
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prefetchQuery: "a=2&b=3",
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navigateQuery: "b=3",
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shouldUsePrefetch: true},
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{description:"Don't use in-flight prefetch as there is no No-Vary-Search hint.",
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noVarySearch: 'params=("a")',
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noVarySearchHint: '',
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prefetchQuery: "a=2&b=3",
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navigateQuery: "b=3",
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shouldUsePrefetch: false},
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{description:"Don't use in-flight prefetch as the prefetched URL has the extra \"a\" query parameter.",
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noVarySearch: 'params=("b")',
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noVarySearchHint: 'params=("b")',
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prefetchQuery: "a=2&b=3",
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navigateQuery: "b=2",
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shouldUsePrefetch: false},
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{description:"Use in-flight prefetch as the URLs do not vary by a and b.",
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noVarySearch: 'params=("a" "b")',
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noVarySearchHint: 'params=("a" "b")',
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prefetchQuery: "a=2&b=3",
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navigateQuery: "b=2",
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shouldUsePrefetch: true},
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{description:"Do not use in-flight prefetch as the navigation URL has" +
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" a different value for the \"b\" query parameter.",
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noVarySearch: 'params=("a" "b")',
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noVarySearchHint: 'params=("a")',
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prefetchQuery: "a=2&b=3",
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navigateQuery: "b=2",
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shouldUsePrefetch: false},
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{description:"Use in-flight prefetch as the URLs have the same values for all keys, only differing by order.",
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noVarySearch: "key-order",
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noVarySearchHint: "key-order",
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prefetchQuery: "b=5&a=3&a=4&d=6&c=5&b=3",
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navigateQuery: "d=6&a=3&b=5&b=3&c=5&a=4",
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shouldUsePrefetch: true},
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{description:"Use in-flight prefetch as the URLs have the same values for all keys, only differing by order and using ?1 for specifying a true value.",
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noVarySearch: "key-order=?1",
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noVarySearchHint: "key-order=?1",
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prefetchQuery: "b=5&a=3&a=4&d=6&c=5&b=3",
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navigateQuery: "d=6&a=3&b=5&b=3&c=5&a=4",
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shouldUsePrefetch: true},
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{description:"Don't use in-flight prefetch as key-order is set to false and the URLs are not identical.",
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noVarySearch: "key-order=?0",
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noVarySearchHint: "key-order=?1",
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prefetchQuery: "b=5&a=3&a=4&d=6&c=5&b=3",
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navigateQuery: "d=6&a=3&b=5&b=3&c=5&a=4",
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shouldUsePrefetch: false},
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{description:"Use in-flight prefetch as all query parameters except c can be ignored.",
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noVarySearch: 'params, except=("c")',
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noVarySearchHint: 'params, except=("c")',
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prefetchQuery: "b=5&a=3&d=6&c=3",
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navigateQuery: "a=1&b=2&c=3",
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shouldUsePrefetch: true},
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{description:"Use in-flight prefetch as all query parameters except c can be ignored." +
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" Only the last except matters.",
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noVarySearch: 'params, except=("b"), except=("c")',
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noVarySearchHint: 'params, except=("b"), except=("c")',
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prefetchQuery: "b=5&a=3&d=6&c=3",
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navigateQuery: "a=1&b=2&c=3",
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shouldUsePrefetch: true},
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{description:"Don't use in-flight prefetch as even though all query parameters" +
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" except c can be ignored, c has different value.",
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noVarySearch: 'params, except=("c")',
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noVarySearchHint: "params",
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prefetchQuery: "b=5&a=3&d=6&c=3",
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navigateQuery: "a=1&b=2&c=5",
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shouldUsePrefetch: false},
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{description:"Use in-flight prefetch as even though all query parameters" +
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" except c and d can be ignored, c value matches and d value matches.",
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noVarySearch: 'params, except=("c" "d")',
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noVarySearchHint: 'params, except=("c" "d")',
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prefetchQuery: "b=5&a=3&d=6&c=5",
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navigateQuery: "d=6&a=1&b=2&c=5",
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shouldUsePrefetch: true},
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{description:"Use in-flight prefetch as even though all query parameters except" +
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" c and d can be ignored, c value matches and d value matches." +
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" Some query parameters to be ignored appear multiple times in the query.",
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noVarySearch: 'params, except=("c" "d")',
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noVarySearchHint: 'params',
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prefetchQuery: "b=5&a=3&a=4&d=6&c=5",
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navigateQuery: "d=6&a=1&a=2&b=2&b=3&c=5",
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shouldUsePrefetch: true},
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{description:"Use in-flight prefetch as all query parameters except c can be ignored." +
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" Allow extension via parameters.",
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noVarySearch: 'params, except=("c";unknown)',
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noVarySearchHint: 'params, except=("c";unknown)',
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prefetchQuery: "b=5&a=3&d=6&c=3",
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navigateQuery: "a=1&b=2&c=3",
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shouldUsePrefetch: true},
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{description:"Use in-flight prefetch as query parameter c can be ignored." +
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" Allow extension via parameters.",
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noVarySearch: 'params=("c";unknown)',
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noVarySearchHint: 'params=("c";unknown)',
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prefetchQuery: "a=2&b=2&c=5",
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navigateQuery: "a=2&c=3&b=2",
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shouldUsePrefetch: true},
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{description:"Use in-flight prefetch as the URLs have the values in different order for a." +
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" Allow extension via parameters.",
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noVarySearch: "key-order;unknown",
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noVarySearchHint: "key-order;unknown",
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prefetchQuery: "b=5&a=3&a=4&d=6&c=5&b=3",
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navigateQuery: "d=6&a=3&b=5&b=3&c=5&a=4",
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shouldUsePrefetch: true},
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{description:"Use in-flight prefetch as the URLs do not vary on any query parameters." +
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" Allow extension via parameters.",
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noVarySearch: "params;unknown",
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noVarySearchHint: "params;unknown",
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prefetchQuery: "",
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navigateQuery: "b=4&c=5",
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shouldUsePrefetch: true},
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{description:"Use in-flight prefetch as all query parameters except c can be ignored." +
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" Allow extension via parameters.",
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noVarySearch: 'params;unknown, except=("c");unknown',
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noVarySearchHint: 'params;unknown, except=("c");unknown',
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prefetchQuery: "b=5&a=3&d=6&c=3",
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navigateQuery: "a=1&b=2&c=3",
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shouldUsePrefetch: true},
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{description:"Don't use the in-flight prefetched URL. Empty No-Vary-Search means default URL variance." +
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" The prefetched and the navigated URLs have to be the same.",
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noVarySearch: "",
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noVarySearchHint: "params",
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prefetchQuery: "b=5&a=3&d=6&c=3",
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navigateQuery: "a=1&b=2&c=3",
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shouldUsePrefetch: false},
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{description:"Use the in-flight prefetch. Empty No-Vary-Search means default URL variance." +
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" The prefetched and the navigated URLs have to be the same.",
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noVarySearch: "",
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noVarySearchHint: "",
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prefetchQuery: "b=5&a=3&d=6&c=3",
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navigateQuery: "b=5&a=3&d=6&c=3",
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shouldUsePrefetch: true},
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{description:"Use the in-flight prefetch. Empty No-Vary-Search means default URL variance." +
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" The prefetched and the navigated URLs have to be the same.",
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noVarySearch: "",
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noVarySearchHint: "",
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prefetchQuery: "",
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navigateQuery: "",
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shouldUsePrefetch: true},
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{description:"Use the in-flight prefetch. Non-ASCII key - 2 UTF-8 code units." +
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" Don't vary the response on the non-ASCII key.",
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noVarySearch: 'params=("%C2%A2")',
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noVarySearchHint: 'params=("%C2%A2")',
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prefetchQuery: "¢=3",
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navigateQuery: "¢=4",
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shouldUsePrefetch: true},
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{description:"Use the in-flight prefetch. Non-ASCII key - 2 UTF-8 code units." +
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" Don't vary the response on the non-ASCII key.",
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noVarySearch: 'params=("%C2%A2")',
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noVarySearchHint: 'params=("%C2%A2")',
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prefetchQuery: "a=2&¢=3",
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navigateQuery: "¢=4&a=2",
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shouldUsePrefetch: true},
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{description:"Don't use the in-flight prefetch. Non-ASCII key - 2 UTF-8 code units." +
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" Vary the response on the non-ASCII key.",
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noVarySearch: 'params, except=("%C2%A2")',
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noVarySearchHint: 'params',
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prefetchQuery: "¢=3",
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navigateQuery: "¢=4",
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shouldUsePrefetch: false},
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{description:"Use the in-flight prefetch. Non-ASCII key - 2 UTF-8 code units." +
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" Vary the response on the non-ASCII key.",
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noVarySearch: 'params, except=("%C2%A2")',
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noVarySearchHint: 'params, except=("%C2%A2")',
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prefetchQuery: "¢=3&a=4",
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navigateQuery: "a=5&¢=3",
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shouldUsePrefetch: true},
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].forEach(({description, noVarySearch, noVarySearchHint, prefetchQuery, navigateQuery, shouldUsePrefetch}) => {
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subsetTest(prefetch_no_vary_search_test,
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description, noVarySearch, noVarySearchHint, prefetchQuery, navigateQuery,
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shouldUsePrefetch);
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});
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</script>
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