nodejs · aduh95 · Nov 6, 2024 · Sep 30, 2024
diff --git a/test/fixtures/wpt/README.md b/test/fixtures/wpt/README.md
@@ -24,7 +24,7 @@ Last update:
 - html/webappapis/structured-clone: https://github.com/web-platform-tests/wpt/tree/47d3fb280c/html/webappapis/structured-clone
 - html/webappapis/timers: https://github.com/web-platform-tests/wpt/tree/5873f2d8f1/html/webappapis/timers
 - interfaces: https://github.com/web-platform-tests/wpt/tree/e90ece61d6/interfaces
-- performance-timeline: https://github.com/web-platform-tests/wpt/tree/17ebc3aea0/performance-timeline
+- performance-timeline: https://github.com/web-platform-tests/wpt/tree/94caab7038/performance-timeline
 - resource-timing: https://github.com/web-platform-tests/wpt/tree/22d38586d0/resource-timing
 - resources: https://github.com/web-platform-tests/wpt/tree/1e140d63ec/resources
 - streams: https://github.com/web-platform-tests/wpt/tree/2bd26e124c/streams

diff --git a/test/fixtures/wpt/performance-timeline/back-forward-cache-restoration.tentative.html b/test/fixtures/wpt/performance-timeline/back-forward-cache-restoration.tentative.html
@@ -0,0 +1,95 @@
+<!doctype html>
+<html>
+
+<head>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <script src="/common/utils.js"></script>
+  <script src="/common/dispatcher/dispatcher.js"></script>
+  <script src="/html/browsers/browsing-the-web/back-forward-cache/resources/helper.sub.js"></script>
+</head>
+
+<body>
+  <script>
+    const BackForwardCacheRestorationName = '';
+    const BackForwardCacheRestorationType = 'back-forward-cache-restoration';
+
+    let getNavigationId = (i) => {
+      let identifier = 'mark' + i;
+      performance.mark(identifier);
+      return window.performance.getEntriesByName(identifier)[0].navigationId;
+    }
+
+    let getNumberofBackForwardCacheRestorationEntries = (BackForwardCacheRestorationType) => {
+      return window.performance.getEntriesByType(BackForwardCacheRestorationType).length;
+    }
+
+    let getBackForwardCacheRestorationByType = (BackForwardCacheRestorationType) => {
+      let entries = window.performance.getEntriesByType(BackForwardCacheRestorationType);
+      return entries[entries.length - 1];
+    }
+
+    let getBackForwardCacheRestorationByGetAllAndFilter = (BackForwardCacheRestorationType) => {
+      let entries = window.performance.getEntries().filter(e => e.entryType == BackForwardCacheRestorationType);
+      return entries[entries.length - 1];
+    }
+
+    let getBackForwardCacheRestorationByPerformanceObserverBuffered = async (BackForwardCacheRestorationType) => {
+      let p = new Promise(resolve => {
+        new PerformanceObserver((list) => {
+          const entries = list.getEntries().filter(e => e.entryType == BackForwardCacheRestorationType);
+          if (entries.length > 0) {
+            resolve(entries[entries.length - 1]);
+          }
+        }).observe({ type: BackForwardCacheRestorationType, buffered: true });
+      });
+      return await p;
+    }
+
+    let checkEntry = (entry, previousNavigationId) => {
+      assert_equals(entry.name, BackForwardCacheRestorationName);
+      assert_equals(entry.entryType, BackForwardCacheRestorationType);
+      assert_not_equals(entry.navigationId, previousNavigationId);
+      assert_true(entry.pageshowEventStart > entry.startTime);
+      assert_true(entry.pageshowEventEnd >= entry.pageshowEventStart);
+    }
+
+    promise_test(async t => {
+      const pageA = new RemoteContext(token());
+      const pageB = new RemoteContext(token());
+
+      const urlA = executorPath + pageA.context_id;
+      const urlB = originCrossSite + executorPath + pageB.context_id;
+      // Open url A.
+      window.open(urlA, '_blank', 'noopener');
+      await pageA.execute_script(waitForPageShow);
+
+      // Assert no instance of BackForwardCacheRestoration exists without back forward cache navigatoin.
+      let size = await pageA.execute_script(getNumberofBackForwardCacheRestorationEntries);
+      assert_equals(0, size);
+
+      let entry;
+      for (i = 0; i < 2; i++) {
+        let curr_nav_id = await pageA.execute_script(getNavigationId, [i]);
+
+        // Navigate away to url B and back.
+        await navigateAndThenBack(pageA, pageB, urlB);
+
+        // Assert Performance Observer API supports BackForwardCacheRestoration.
+        entry = await pageA.execute_script(getBackForwardCacheRestorationByPerformanceObserverBuffered, [BackForwardCacheRestorationType]);
+        // The navigation id after a bfcache restoration should be different
+        // from that before.
+        checkEntry(entry, curr_nav_id);
+
+        // Assert Performance Timeline API supports BackForwardCacheRestoration.
+        entry = await pageA.execute_script(getBackForwardCacheRestorationByType, [BackForwardCacheRestorationType]);
+        checkEntry(entry, curr_nav_id);
+
+        entry = await pageA.execute_script(getBackForwardCacheRestorationByGetAllAndFilter, [BackForwardCacheRestorationType]);
+        checkEntry(entry, curr_nav_id);
+      }
+    }, 'Performance API for the back forward cache restoration entry.');
+  </script>
+</body>
+
+</html>
diff --git a/test/fixtures/wpt/performance-timeline/droppedentriescount.any.js b/test/fixtures/wpt/performance-timeline/droppedentriescount.any.js
@@ -0,0 +1,81 @@
+promise_test(t => {
+  // This setup is required for later tests as well.
+  // Await for a dropped entry.
+  return new Promise(res => {
+    // Set a buffer size of 0 so that new resource entries count as dropped.
+    performance.setResourceTimingBufferSize(0);
+    // Use an observer to make sure the promise is resolved only when the
+    // new entry has been created.
+    new PerformanceObserver(res).observe({type: 'resource'});
+    fetch('resources/square.png?id=1');
+  }).then(() => {
+  return new Promise(resolve => {
+    new PerformanceObserver(t.step_func((entries, obs, options) => {
+      assert_equals(options['droppedEntriesCount'], 0);
+      resolve();
+    })).observe({type: 'mark'});
+    performance.mark('test');
+  })});
+}, 'Dropped entries count is 0 when there are no dropped entries of relevant type.');
+
+promise_test(async t => {
+  return new Promise(resolve => {
+    new PerformanceObserver(t.step_func((entries, obs, options) => {
+      assert_equals(options['droppedEntriesCount'], 1);
+      resolve();
+    })).observe({entryTypes: ['mark', 'resource']});
+    performance.mark('meow');
+  });
+}, 'Dropped entries correctly counted with multiple types.');
+
+promise_test(t => {
+  return new Promise(resolve => {
+    new PerformanceObserver(t.step_func((entries, obs, options) => {
+      assert_equals(options['droppedEntriesCount'], 1,
+          'There should have been some dropped resource timing entries at this point');
+      resolve();
+    })).observe({type: 'resource', buffered: true});
+  });
+}, 'Dropped entries counted even if observer was not registered at the time.');
+
+promise_test(t => {
+  return new Promise(resolve => {
+    let callback_ran = false;
+    new PerformanceObserver(t.step_func((entries, obs, options) => {
+      if (!callback_ran) {
+        assert_equals(options['droppedEntriesCount'], 2,
+            'There should be two dropped entries right now.');
+        fetch('resources/square.png?id=3');
+        callback_ran = true;
+      } else {
+        assert_equals(options['droppedEntriesCount'], undefined,
+            'droppedEntriesCount should be unset after the first callback!');
+        resolve();
+      }
+    })).observe({type: 'resource'});
+    fetch('resources/square.png?id=2');
+  });
+}, 'Dropped entries only surfaced on the first callback.');
+
+
+promise_test(t => {
+  return new Promise(resolve => {
+    let callback_ran = false;
+    let droppedEntriesCount = -1;
+    new PerformanceObserver(t.step_func((entries, obs, options) => {
+      if (!callback_ran) {
+        assert_greater_than(options['droppedEntriesCount'], 0,
+            'There should be several dropped entries right now.');
+        droppedEntriesCount = options['droppedEntriesCount'];
+        callback_ran = true;
+        obs.observe({type: 'mark'});
+        performance.mark('woof');
+      } else {
+        assert_equals(options['droppedEntriesCount'], droppedEntriesCount,
+            'There should be droppedEntriesCount due to the new observe().');
+        resolve();
+      }
+    })).observe({type: 'resource'});
+    fetch('resources/square.png?id=4');
+  });
+}, 'Dropped entries surfaced after an observe() call!');
diff --git a/test/fixtures/wpt/performance-timeline/idlharness-shadowrealm.window.js b/test/fixtures/wpt/performance-timeline/idlharness-shadowrealm.window.js
@@ -0,0 +1,2 @@
+// META: script=/resources/idlharness-shadowrealm.js
+idl_test_shadowrealm(["performance-timeline"], ["hr-time", "dom"]);
diff --git a/test/fixtures/wpt/performance-timeline/navigation-id-detached-frame.tentative.html b/test/fixtures/wpt/performance-timeline/navigation-id-detached-frame.tentative.html
@@ -0,0 +1,30 @@
+<!DOCTYPE HTML>
+<html>
+
+<head>
+  <meta charset="utf-8">
+  <title>The navigation_id Detached iframe Parent Page.</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+</head>
+
+<body>
+  <script>
+    promise_test(t => {
+      return new Promise(resolve => {
+        const frame = document.createElement("iframe");
+        frame.addEventListener("load", async () => {
+          // Wait for iframe to be detached.
+          while (frame.contentWindow) {
+            await new Promise(r => t.step_timeout(r, 10));
+          }
+          resolve();
+        });
+        frame.src = "resources/navigation-id-detached-frame-page.html";
+        document.body.appendChild(frame);
+      });
+    }, "The navigation_id getter does not crash a window of detached frame");
+  </script>
+</body>
+
+</html>
diff --git a/test/fixtures/wpt/performance-timeline/navigation-id-element-timing.tentative.html b/test/fixtures/wpt/performance-timeline/navigation-id-element-timing.tentative.html
@@ -0,0 +1,14 @@
+<!DOCTYPE HTML>
+<meta name="timeout" content="long">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/utils.js"></script>
+<script src="/common/dispatcher/dispatcher.js"></script>
+<script src="/html/browsers/browsing-the-web/back-forward-cache/resources/helper.sub.js"></script>
+<script src="navigation-id.helper.js"></script>
+<script>
+  runNavigationIdTest({
+    navigationTimes: 3,
+    testName: 'element_timing',
+  }, "Element Timing navigation id test");
+</script>
diff --git a/test/fixtures/wpt/performance-timeline/navigation-id-initial-load.tentative.html b/test/fixtures/wpt/performance-timeline/navigation-id-initial-load.tentative.html
@@ -0,0 +1,49 @@
+<!DOCTYPE HTML>
+<meta name="timeout" content="long">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<!--
+Navigation timing, LCP and paint timing entries are only emitted during initial
+load, not after a bfcache navigation. Therefore we only verify the existence of
+navigation id, not the increment.
+-->
+
+<body>
+  <p>This text is to trigger a LCP entry emission.</p>
+  <script>
+    async function NavigationIdsFromLCP() {
+      return new Promise(resolve => {
+        new PerformanceObserver((entryList) => {
+          resolve(entryList.getEntries());
+        }).observe({ type: 'largest-contentful-paint', buffered: true });
+      })
+    }
+
+    promise_test(async t => {
+      // Assert navigation id exists in LCP entries and and are all the same.
+      const navigationIdsOfLCP = (await NavigationIdsFromLCP()).map(e => e.navigationId);
+      assert_true(navigationIdsOfLCP.every(e => e == navigationIdsOfLCP[0]),
+        'Navigation Ids of LCP entries should be the same at initial navigation');
+
+      // Assert navigation id exists in a NavigationTiming entry.
+      const navigationIdOfNavigationTiming =
+        performance.getEntriesByType('navigation')[0].navigationId;
+      assert_true(!!navigationIdOfNavigationTiming,
+        'Navigation Id of a navigation timing entry should exist at initial navigation');
+
+      // Assert navigation id exists in PaintTiming entries and are all the same.
+      const navigationIdsOfPaintTiming =
+        performance.getEntriesByType('paint').map(e => e.navigationId);
+      assert_true(navigationIdsOfPaintTiming.every(e =>
+        e == navigationIdsOfPaintTiming[0]),
+        'Navigation Id of PaintTiming entries should be the same as the initial navigation.');
+
+      // Assert navigation ids are all the same.
+      const navigationIdsOfAll =
+        navigationIdsOfLCP.concat(navigationIdsOfPaintTiming, navigationIdOfNavigationTiming);
+      assert_true(navigationIdsOfAll.every(e => e == navigationIdsOfAll[0]),
+        'Navigation Id of all entries should be the same as the initial navigation.');
+
+    }, 'Navigation Ids should exist and are all the same as the initial navigation.');
+  </script>
+</body>
diff --git a/...fixtures/wpt/performance-timeline/navigation-id-long-task-task-attribution.tentative.html b/...fixtures/wpt/performance-timeline/navigation-id-long-task-task-attribution.tentative.html
@@ -0,0 +1,14 @@
+<!DOCTYPE HTML>
+<meta name="timeout" content="long">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/utils.js"></script>
+<script src="/common/dispatcher/dispatcher.js"></script>
+<script src="/html/browsers/browsing-the-web/back-forward-cache/resources/helper.sub.js"></script>
+<script src="navigation-id.helper.js"></script>
+<script>
+  runNavigationIdTest({
+    navigationTimes: 3,
+    testName: 'long_task_task_attribution',
+  }, "Long Task/Task Attribution navigation id test");
+</script>
diff --git a/test/fixtures/wpt/performance-timeline/navigation-id-mark-measure.tentative.html b/test/fixtures/wpt/performance-timeline/navigation-id-mark-measure.tentative.html
@@ -0,0 +1,14 @@
+<!DOCTYPE HTML>
+<meta name="timeout" content="long">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/utils.js"></script>
+<script src="/common/dispatcher/dispatcher.js"></script>
+<script src="/html/browsers/browsing-the-web/back-forward-cache/resources/helper.sub.js"></script>
+<script src="navigation-id.helper.js"></script>
+<script>
+  runNavigationIdTest({
+    navigationTimes: 3,
+    testName: 'mark_measure',
+  }, "Mark/Measure navigation id test");
+</script>
diff --git a/test/fixtures/wpt/performance-timeline/navigation-id-reset.tentative.html b/test/fixtures/wpt/performance-timeline/navigation-id-reset.tentative.html
@@ -0,0 +1,53 @@
+<!DOCTYPE HTML>
+<meta name="timeout" content="long">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/utils.js"></script>
+<script src="/common/dispatcher/dispatcher.js"></script>
+<script src="/html/browsers/browsing-the-web/back-forward-cache/resources/helper.sub.js"></script>
+<script>
+  const reload = () => {
+    window.location.reload();
+  };
+
+  const getNavigationId = () => {
+    window.performance.mark('initial_load');
+    let entries = window.performance.getEntriesByType('mark');
+    return entries[entries.length - 1].navigationId;
+  }
+
+  promise_test(async t => {
+    const pageA = new RemoteContext(token());
+    const pageB = new RemoteContext(token());
+
+    const urlA = executorPath + pageA.context_id;
+    const urlB = originCrossSite + executorPath + pageB.context_id;
+    // Open url A.
+    window.open(urlA, '_blank', 'noopener')
+    await pageA.execute_script(waitForPageShow);
+
+    let navigationIdInitial = await pageA.execute_script(getNavigationId);
+
+    // Navigate away to url B and back.
+    await navigateAndThenBack(pageA, pageB, urlB);
+
+    // Assert navigation id is re-generated and thus different when the
+    // document is load from bfcache.
+    navigationIdAfterBFCacheNav = await pageA.execute_script(getNavigationId);
+    assert_not_equals(navigationIdInitial, navigationIdAfterBFCacheNav, 'Navigation Id should be \
+    re-generated and different from the previous one after back-forward-cache navigation.');
+
+    // Reload page.
+    await pageA.execute_script(reload);
+    await pageA.execute_script(waitForPageShow);
+
+    navigationIdAfterReset = await pageA.execute_script(getNavigationId);
+
+    assert_not_equals(navigationIdAfterReset, navigationIdAfterBFCacheNav, 'Navigation Id should\
+    be re-generated after reload which is different from the previous one.');
+
+    assert_not_equals(navigationIdAfterReset, navigationIdInitial, 'Navigation Id should\
+    be re-generated after reload which is different from the one of the initial load.');
+
+  }, 'Navigation Id should be re-generated after reload.');
+</script>
diff --git a/test/fixtures/wpt/performance-timeline/navigation-id-resource-timing.tentative.html b/test/fixtures/wpt/performance-timeline/navigation-id-resource-timing.tentative.html
@@ -0,0 +1,14 @@
+<!DOCTYPE HTML>
+<meta name="timeout" content="long">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/utils.js"></script>
+<script src="/common/dispatcher/dispatcher.js"></script>
+<script src="/html/browsers/browsing-the-web/back-forward-cache/resources/helper.sub.js"></script>
+<script src="navigation-id.helper.js"></script>
+<script>
+  runNavigationIdTest({
+    navigationTimes: 3,
+    testName: 'resource_timing',
+  }, "Resource Timing navigation id test");
+</script>