Bug 1804075 [wpt PR 37234] - prefetch: Add WPT showing that prefetch …

…can match traverse and reload navigations., a=testonly Automatic update from web-platform-tests prefetch: Add WPT showing that prefetch can match traverse and reload navigations. This came up during a spec PR review: WICG/nav-speculation#212 Change-Id: Ia8fb3d6c9b164fa35b196b99f1feb5750ec359f9 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4062248 Reviewed-by: Adithya Srinivasan <adithyas@chromium.org> Commit-Queue: Adithya Srinivasan <adithyas@chromium.org> Auto-Submit: Jeremy Roman <jbroman@chromium.org> Cr-Commit-Position: refs/heads/main@{#1077079} -- wpt-commits: 611dc0411c43984c7ab2abfa1810d97d065f7c71 wpt-pr: 37234
jamienicol · Dec 11, 2022 · 639a583 · 639a583
1 parent 47c1e28
commit 639a583
Showing 1 changed file with 43 additions and 0 deletions.
diff --git a/testing/web-platform/tests/speculation-rules/prefetch/prefetch-traverse-reload.sub.html b/testing/web-platform/tests/speculation-rules/prefetch/prefetch-traverse-reload.sub.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<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="/websockets/constants.sub.js"></script>
+<script src="resources/utils.sub.js"></script>
+<script>
+promise_test(async t => {
+  assert_implements(HTMLScriptElement.supports('speculationrules'), "Speculation Rules not supported");
+
+  let agent = await spawnWindow(t, { protocol: 'https', pipe: 'header(Cache-Control, no-store)' });
+  let previousUrl = await agent.execute_script(() => location.href);
+  await agent.execute_script(async () => {
+    window.preventBfcache = new WebSocket('wss://{{ports[wss][0]}}/echo');
+  });
+
+  let nextUrl = agent.getExecutorURL({ protocol: 'https', page: 2 });
+  await agent.navigate(nextUrl);
+
+  await agent.forceSinglePrefetch(previousUrl);
+  await agent.execute_script(() => {
+    window.executor.suspend(() => history.go(-1));
+  });
+
+  assert_equals(previousUrl, await agent.execute_script(() => location.href));
+  assert_prefetched(await agent.getRequestHeaders(), "traversal should use prefetch");
+}, "prefetches can be used for traversal navigations");
+
+promise_test(async t => {
+  assert_implements(HTMLScriptElement.supports('speculationrules'), "Speculation Rules not supported");
+
+  let agent = await spawnWindow(t, { protocol: 'https', pipe: 'header(Cache-Control, no-store)' });
+  let previousUrl = await agent.execute_script(() => location.href);
+  await agent.forceSinglePrefetch(previousUrl);
+  await agent.execute_script(() => {
+    window.executor.suspend(() => location.reload());
+  });
+
+  assert_equals(previousUrl, await agent.execute_script(() => location.href));
+  assert_prefetched(await agent.getRequestHeaders(), "reload should use prefetch");
+}, "prefetches can be used for reload navigations");
+</script>