| <!DOCTYPE html> |
| <title>Mutating speculationrules script elements</title> |
| <meta name="timeout" content="long"> |
| <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.js"></script> |
| <script src="resources/utils.sub.js"></script> |
| |
| <script> |
| "use strict"; |
| |
| setup(() => assertSpeculationRulesIsSupported()); |
| |
| promise_test(async t => { |
| const win = await spawnWindow(t); |
| const nextURL = win.getExecutorURL({ executor: "counting-executor.py", page: 2 }); |
| |
| // Prefetch the URL which will count whether or not we're prefetched. |
| await win.forceSinglePrefetch(nextURL); |
| |
| // Check that the server was indeed hit with a prefetch request. |
| const requestCount = await (await fetch(nextURL + "&check")).json(); |
| assert_equals(requestCount.prefetch, 1, "prefetch count"); |
| assert_equals(requestCount.nonPrefetch, 0, "non-prefetch count"); |
| |
| // Now remove the speculation rules. |
| await win.execute_script(() => { |
| document.querySelector("script[type=speculationrules]").remove(); |
| }); |
| |
| // Navigating must not use the prefetched result. |
| await win.navigate(nextURL); |
| assert_not_prefetched(await win.getRequestHeaders()); |
| }, "Removing the <script type=speculationrules> must cancel the prefetch"); |
| |
| promise_test(async t => { |
| const win = await spawnWindow(t); |
| const nextURL = win.getExecutorURL({ executor: "counting-executor.py", page: 2 }); |
| |
| // Prefetch the URL which will count whether or not we're prefetched. |
| await win.forceSinglePrefetch(nextURL); |
| |
| // Check that the server was indeed hit with a prefetch request. |
| const requestCount = await (await fetch(nextURL + "&check")).json(); |
| assert_equals(requestCount.prefetch, 1, "prefetch count"); |
| assert_equals(requestCount.nonPrefetch, 0, "non-prefetch count"); |
| |
| // Now update the speculation rules to remove that rule. |
| await win.execute_script(() => { |
| document.querySelector("script[type=speculationrules]").textContent = JSON.stringify({ |
| prefetch: [] |
| }); |
| }); |
| |
| // Navigating must use the prefetched result. |
| await win.navigate(nextURL); |
| assert_prefetched(await win.getRequestHeaders()); |
| }, "Removing a rule from the <script type=speculationrules> must not cancel the prefetch"); |
| |
| promise_test(async t => { |
| const win = await spawnWindow(t); |
| const nextURL = win.getExecutorURL({ executor: "counting-executor.py", page: 2 }); |
| |
| // Insert some empty speculation rules |
| await win.forceSpeculationRules([]); |
| |
| // Now update them to include a prefetch (and wait for a bit.) |
| await win.execute_script(([nextURL]) => { |
| document.querySelector("script[type=speculationrules]").textContent = JSON.stringify({ |
| prefetch: [{ urls: [nextURL] }] |
| }); |
| }, [nextURL]); |
| new Promise(resolve => t.step_timeout(resolve, 2000)); |
| |
| const requestCount = await (await fetch(nextURL + "&check")).json(); |
| assert_equals(requestCount.prefetch, 0, "prefetch count"); |
| assert_equals(requestCount.nonPrefetch, 0, "non-prefetch count"); |
| |
| // Navigating must not use the prefetched result. |
| await win.navigate(nextURL); |
| assert_not_prefetched(await win.getRequestHeaders()); |
| }, "Adding a rule to the <script type=speculationrules> must not prefetch"); |
| </script> |
