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+<!DOCTYPE html>
+<title>Prefetched response including No-Vary-Search headers is used during navigation</title>
+<meta charset="utf-8">
+
+<meta name="variant" content="?1-1">
+<meta name="variant" content="?2-2">
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+<meta name="variant" content="?28-28">
+<meta name="variant" content="?29-29">
+<meta name="variant" content="?30-last">
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/dispatcher/dispatcher.js"></script>
+<script src="/common/utils.js"></script>
+<script src="../resources/utils.sub.js"></script>
+<script src="/common/subset-tests.js"></script>
+
+<script>
+ function addNoVarySearchHeaderUsingPipe(url, value){
+ // Use server pipes https://web-platform-tests.org/writing-tests/server-pipes.html
+ // to populate No-Vary-Search response header.
+ // The "," and ")" characters need to be escaped by using backslash
+ // (see https://web-platform-tests.org/writing-tests/server-pipes.html).
+ // E.g. params=("a") becomes params=("a"\), params=("a"),key-order becomes
+ // params=("a"\)\,key-order etc.
+ url.searchParams.append("pipe",
+ `header(No-Vary-Search,${value.replaceAll(/[,)]/g, '\\$&')})`);
+ }
+
+ /*
+ remoteAgent: the RemoteContext instance used to communicate between the
+ test and the window where prefetch/navigation is happening
+ noVarySearchHeaderValue: the value of No-Vary-Search header to be populated
+ for the prefetched response
+ prefetchQuery: query params to be added to prefetchExecutor url and prefetched
+ navigateQuery: query params to be added to prefetchExecutor url and navigated to
+ */
+ async function prefetchAndNavigate(remoteAgent, noVarySearchHeaderValue, prefetchQuery, navigateQuery){
+ const nextUrl = remoteAgent.getExecutorURL();
+ const navigateToUrl = new URL(nextUrl);
+ // Add query params to the url to be prefetched.
+ const additionalPrefetchedUrlSearchParams = new URLSearchParams(prefetchQuery);
+ addNoVarySearchHeaderUsingPipe(nextUrl, noVarySearchHeaderValue);
+ additionalPrefetchedUrlSearchParams.forEach((value, key) => {
+ nextUrl.searchParams.append(key, value);
+ });
+
+ await remoteAgent.forceSinglePrefetch(nextUrl);
+
+ // Add new query params to navigateToUrl to match No-Vary-Search test case.
+ const additionalNavigateToUrlSearchParams = new URLSearchParams(navigateQuery);
+ addNoVarySearchHeaderUsingPipe(navigateToUrl, noVarySearchHeaderValue);
+ additionalNavigateToUrlSearchParams.forEach((value, key) => {
+ navigateToUrl.searchParams.append(key, value);
+ });
+ await remoteAgent.navigate(navigateToUrl);
+ }
+
+ function prefetch_no_vary_search_test(description, noVarySearch, prefetchQuery, navigateQuery, shouldUsePrefetch){
+ promise_test(async t => {
+ assert_implements(HTMLScriptElement.supports('speculationrules'), "Speculation Rules not supported");
+ const agent = await spawnWindow(t, {});
+ await prefetchAndNavigate(agent,
+ noVarySearch,
+ prefetchQuery,
+ navigateQuery);
+
+ if(shouldUsePrefetch){
+ assert_prefetched(await agent.getRequestHeaders(),
+ "Navigation didn't use the prefetched response!");
+ }
+ else{
+ assert_not_prefetched(await agent.getRequestHeaders(),
+ "Navigation used the prefetched response!");
+ }
+ }, description);
+ }
+
+ // Test inputs:
+ // - description: a description of the test.
+ // - no-vary-search: No-Vary-Search header value for the response.
+ // - prefetch-query: added to query part of prefetch-executor when prefetching
+ // - navigate-query: added to query part of prefetch-executor when navigating
+ // - shouldUsePrefetch: if the test case expects the prefetched entry to be
+ // used or not.
+ [{description:"Use prefetched response as query parameter b has the same value.",
+ noVarySearch: 'params=("a")',
+ prefetchQuery: "a=2&b=3",
+ navigateQuery: "b=3",
+ shouldUsePrefetch: true},
+
+ {description:"Don't use prefetched response as query parameter b has different value.",
+ noVarySearch: 'params("a")',
+ prefetchQuery: "a=2&b=3",
+ navigateQuery: "b=2",
+ shouldUsePrefetch: false},
+
+ {description:"Use prefetched response as the URLs do not vary by a and b.",
+ noVarySearch: 'params=("a" "b")',
+ prefetchQuery: "a=2&b=3",
+ navigateQuery: "b=2",
+ shouldUsePrefetch: true},
+
+ {description:"Use prefetched response as the URLs do not vary on any query parameters.",
+ noVarySearch: "params",
+ prefetchQuery: "a=2&b=3",
+ navigateQuery: "b=4&c=5",
+ shouldUsePrefetch: true},
+
+ {description:"Use prefetched response as the URLs do not vary on any query parameters.",
+ noVarySearch: "params",
+ prefetchQuery: "",
+ navigateQuery: "b=4&c=5",
+ shouldUsePrefetch: true},
+
+ {description:"Don't use prefetched response as the URLs have different value for c.",
+ noVarySearch: "key-order",
+ prefetchQuery: "c=4&b=3&a=2",
+ navigateQuery: "a=2&c=5&b=3",
+ shouldUsePrefetch: false},
+
+ {description:"Don't use prefetched response as the URLs have the values in different order for a.",
+ noVarySearch: "key-order",
+ prefetchQuery: "b=5&a=3&a=4&d=6&c=5&b=3",
+ navigateQuery: "d=6&a=4&b=5&b=3&c=5&a=3",
+ shouldUsePrefetch: false},
+
+ {description:"Use prefetched response as the URLs have the same values for a.",
+ noVarySearch: "key-order",
+ prefetchQuery: "b=5&a=3&a=4&d=6&c=5&b=3",
+ navigateQuery: "d=6&a=3&b=5&b=3&c=5&a=4",
+ shouldUsePrefetch: true},
+
+ {description:"Use prefetched response as the URLs have the same values for a.",
+ noVarySearch: "key-order=?1",
+ prefetchQuery: "b=5&a=3&a=4&d=6&c=5&b=3",
+ navigateQuery: "d=6&a=3&b=5&b=3&c=5&a=4",
+ shouldUsePrefetch: true},
+
+ {description:"Don't use prefetched response as key-order is set to false and the URLs are not identical.",
+ noVarySearch: "key-order=?0",
+ prefetchQuery: "b=5&a=3&a=4&d=6&c=5&b=3",
+ navigateQuery: "d=6&a=3&b=5&b=3&c=5&a=4",
+ shouldUsePrefetch: false},
+
+ {description:"Use prefetched response as query parameter c can be ignored.",
+ noVarySearch: 'params=("c")',
+ prefetchQuery: "a=2&b=2&c=5",
+ navigateQuery: "a=2&c=3&b=2",
+ shouldUsePrefetch: true},
+
+ {description:"Use prefetched response as query parameter a can be ignored.",
+ noVarySearch: 'params=("a")',
+ prefetchQuery: "a=2",
+ navigateQuery: "",
+ shouldUsePrefetch: true},
+
+ {description:"Use prefetched response as query parameter a can be ignored.",
+ noVarySearch: 'params=("a")',
+ prefetchQuery: "",
+ navigateQuery: "a=2",
+ shouldUsePrefetch: true},
+
+ {description:"Use prefetched response as all query parameters except c can be ignored.",
+ noVarySearch: 'params, except=("c")',
+ prefetchQuery: "b=5&a=3&d=6&c=3",
+ navigateQuery: "a=1&b=2&c=3",
+ shouldUsePrefetch: true},
+
+ {description:"Use prefetched response as all query parameters except c can be ignored." +
+ " Only the last except matters.",
+ noVarySearch: 'params, except=("b"), except=("c")',
+ prefetchQuery: "b=5&a=3&d=6&c=3",
+ navigateQuery: "a=1&b=2&c=3",
+ shouldUsePrefetch: true},
+
+ {description:"Don't use prefetched response as even though all query parameters" +
+ " except c can be ignored, c has different value.",
+ noVarySearch: 'params, except=("c")',
+ prefetchQuery: "b=5&a=3&d=6&c=3",
+ navigateQuery: "a=1&b=2&c=5",
+ shouldUsePrefetch: false},
+
+ {description:"Use prefetched response as even though all query parameters" +
+ " except c and d can be ignored, c value matches and d value matches.",
+ noVarySearch: 'params, except=("c" "d")',
+ prefetchQuery: "b=5&a=3&d=6&c=5",
+ navigateQuery: "d=6&a=1&b=2&c=5",
+ shouldUsePrefetch: true},
+
+ {description:"Use prefetched response as even though all query parameters except" +
+ " c and d can be ignored, c value matches and d value matches." +
+ " Some query parameters to be ignored appear multiple times in the query.",
+ noVarySearch: 'params, except=("c" "d")',
+ prefetchQuery: "b=5&a=3&a=4&d=6&c=5",
+ navigateQuery: "d=6&a=1&a=2&b=2&b=3&c=5",
+ shouldUsePrefetch: true},
+
+ {description:"Use prefetched response as all query parameters except c can be ignored." +
+ " Allow extension via parameters.",
+ noVarySearch: 'params, except=("c";unknown)',
+ prefetchQuery: "b=5&a=3&d=6&c=3",
+ navigateQuery: "a=1&b=2&c=3",
+ shouldUsePrefetch: true},
+
+ {description:"Use prefetched response as query parameter c can be ignored." +
+ " Allow extension via parameters.",
+ noVarySearch: 'params=("c";unknown)',
+ prefetchQuery: "a=2&b=2&c=5",
+ navigateQuery: "a=2&c=3&b=2",
+ shouldUsePrefetch: true},
+
+ {description:"Use prefetched response as the URLs have the values in different order for a." +
+ " Allow extension via parameters.",
+ noVarySearch: "key-order;unknown",
+ prefetchQuery: "b=5&a=3&a=4&d=6&c=5&b=3",
+ navigateQuery: "d=6&a=3&b=5&b=3&c=5&a=4",
+ shouldUsePrefetch: true},
+
+ {description:"Use prefetched response as the URLs do not vary on any query parameters." +
+ " Allow extension via parameters.",
+ noVarySearch: "params;unknown",
+ prefetchQuery: "",
+ navigateQuery: "b=4&c=5",
+ shouldUsePrefetch: true},
+
+ {description:"Use prefetched response as all query parameters except c can be ignored." +
+ " Allow extension via parameters.",
+ noVarySearch: 'params;unknown, except=("c");unknown',
+ prefetchQuery: "b=5&a=3&d=6&c=3",
+ navigateQuery: "a=1&b=2&c=3",
+ shouldUsePrefetch: true},
+
+ {description:"Don't use the prefetched URL. Empty No-Vary-Search means default URL variance." +
+ " The prefetched and the navigated URLs have to be the same.",
+ noVarySearch: "",
+ prefetchQuery: "b=5&a=3&d=6&c=3",
+ navigateQuery: "a=1&b=2&c=3",
+ shouldUsePrefetch: false},
+
+ {description:"Use the prefetched URL. Empty No-Vary-Search means default URL variance." +
+ " The prefetched and the navigated URLs have to be the same.",
+ noVarySearch: "",
+ prefetchQuery: "b=5&a=3&d=6&c=3",
+ navigateQuery: "b=5&a=3&d=6&c=3",
+ shouldUsePrefetch: true},
+
+ {description:"Use the prefetched URL. Empty No-Vary-Search means default URL variance." +
+ " The prefetched and the navigated URLs have to be the same.",
+ noVarySearch: "",
+ prefetchQuery: "",
+ navigateQuery: "",
+ shouldUsePrefetch: true},
+
+ {description:"Use the prefetched URL. Non-ASCII key - 2 UTF-8 code units." +
+ " Don't vary the response on the non-ASCII key.",
+ noVarySearch: 'params=("%C2%A2")',
+ prefetchQuery: "¢=3",
+ navigateQuery: "¢=4",
+ shouldUsePrefetch: true},
+
+ {description:"Use the prefetched URL. Non-ASCII key - 2 UTF-8 code units." +
+ " Don't vary the response on the non-ASCII key.",
+ noVarySearch: 'params=("%C2%A2")',
+ prefetchQuery: "a=2&¢=3",
+ navigateQuery: "¢=4&a=2",
+ shouldUsePrefetch: true},
+
+ {description:"Don't use the prefetched URL. Non-ASCII key - 2 UTF-8 code units." +
+ " Vary the response on the non-ASCII key.",
+ noVarySearch: 'params, except=("%C2%A2")',
+ prefetchQuery: "¢=3",
+ navigateQuery: "¢=4",
+ shouldUsePrefetch: false},
+
+ {description:"Use the prefetched URL. Non-ASCII key - 2 UTF-8 code units." +
+ " Vary the response on the non-ASCII key.",
+ noVarySearch: 'params, except=("%C2%A2")',
+ prefetchQuery: "¢=3&a=4",
+ navigateQuery: "a=5&¢=3",
+ shouldUsePrefetch: true},
+
+ ].forEach(({description, noVarySearch, prefetchQuery, navigateQuery, shouldUsePrefetch}) => {
+ subsetTest(prefetch_no_vary_search_test,
+ description, noVarySearch, prefetchQuery, navigateQuery,
+ shouldUsePrefetch);
+ });
+
+</script>
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-19 05:53:46 +0000