Index: components/page_load_metrics/browser/metrics_web_contents_observer_unittest.cc |
diff --git a/components/page_load_metrics/browser/metrics_web_contents_observer_unittest.cc b/components/page_load_metrics/browser/metrics_web_contents_observer_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ee2639f5009f4f89450accc0a0a03f2da77f838a |
--- /dev/null |
+++ b/components/page_load_metrics/browser/metrics_web_contents_observer_unittest.cc |
@@ -0,0 +1,214 @@ |
+// Copyright (c) 2015 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "components/page_load_metrics/browser/metrics_web_contents_observer.h" |
+ |
+#include "base/memory/scoped_ptr.h" |
+#include "base/process/kill.h" |
+#include "base/test/histogram_tester.h" |
+#include "base/time/time.h" |
+#include "components/page_load_metrics/common/page_load_metrics_messages.h" |
+#include "content/public/browser/navigation_handle.h" |
+#include "content/public/browser/render_frame_host.h" |
+#include "content/public/test/test_renderer_host.h" |
+#include "content/public/test/web_contents_tester.h" |
+ |
+namespace page_load_metrics { |
+ |
+namespace { |
+ |
+const char kDefaultTestUrl[] = "https://google.com"; |
+const char kDefaultTestUrlAnchor[] = "https://google.com#samepage"; |
+const char kDefaultTestUrl2[] = "https://whatever.com"; |
+ |
+const char kHistogramNameFirstLayout[] = |
+ "PageLoad.Timing.NavigationToFirstLayout"; |
+const char kHistogramNameDomContent[] = |
+ "PageLoad.Timing.NavigationToDOMContentLoadedEventFired"; |
+const char kHistogramNameLoad[] = |
+ "PageLoad.Timing.NavigationToLoadEventFired"; |
+ |
+} // namespace |
+ |
+class MetricsWebContentsObserverTest |
+ : public content::RenderViewHostTestHarness { |
+ public: |
+ MetricsWebContentsObserverTest() {} |
+ |
+ void SetUp() override { |
+ RenderViewHostTestHarness::SetUp(); |
+ observer_ = make_scoped_ptr(new MetricsWebContentsObserver(web_contents())); |
+ } |
+ |
+ void AssertNoHistogramsLogged() { |
+ histogram_tester_.ExpectTotalCount(kHistogramNameDomContent, 0); |
+ histogram_tester_.ExpectTotalCount(kHistogramNameLoad, 0); |
+ histogram_tester_.ExpectTotalCount(kHistogramNameFirstLayout, 0); |
+ } |
+ |
+ protected: |
+ base::HistogramTester histogram_tester_; |
+ scoped_ptr<MetricsWebContentsObserver> observer_; |
+}; |
+ |
+TEST_F(MetricsWebContentsObserverTest, NoMetrics) { |
+ AssertNoHistogramsLogged(); |
+} |
+ |
+TEST_F(MetricsWebContentsObserverTest, NotInMainFrame) { |
+ base::TimeDelta first_layout = base::TimeDelta::FromMilliseconds(1); |
+ |
+ PageLoadTiming timing; |
+ timing.navigation_start = base::Time::FromDoubleT(1); |
+ timing.first_layout = first_layout; |
+ |
+ content::WebContentsTester* web_contents_tester = |
+ content::WebContentsTester::For(web_contents()); |
+ web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl)); |
+ |
+ content::RenderFrameHostTester* rfh_tester = |
+ content::RenderFrameHostTester::For(main_rfh()); |
+ content::RenderFrameHost* subframe = rfh_tester->AppendChild("subframe"); |
+ |
+ content::RenderFrameHostTester* subframe_tester = |
+ content::RenderFrameHostTester::For(subframe); |
+ subframe_tester->SimulateNavigationStart(GURL(kDefaultTestUrl2)); |
+ subframe_tester->SimulateNavigationCommit(GURL(kDefaultTestUrl2)); |
+ observer_->OnMessageReceived( |
+ PageLoadMetricsMsg_TimingUpdated(observer_->routing_id(), timing), |
+ subframe); |
+ subframe_tester->SimulateNavigationStop(); |
+ |
+ // Navigate again to see if the timing updated for a subframe message. |
+ web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl)); |
+ |
+ AssertNoHistogramsLogged(); |
+} |
+ |
+TEST_F(MetricsWebContentsObserverTest, SamePageNoTrigger) { |
+ base::TimeDelta first_layout = base::TimeDelta::FromMilliseconds(1); |
+ |
+ PageLoadTiming timing; |
+ timing.navigation_start = base::Time::FromDoubleT(1); |
+ timing.first_layout = first_layout; |
+ |
+ content::WebContentsTester* web_contents_tester = |
+ content::WebContentsTester::For(web_contents()); |
+ web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl)); |
+ |
+ observer_->OnMessageReceived( |
+ PageLoadMetricsMsg_TimingUpdated(observer_->routing_id(), timing), |
+ web_contents()->GetMainFrame()); |
+ web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrlAnchor)); |
+ // A same page navigation shouldn't trigger logging UMA for the original. |
+ AssertNoHistogramsLogged(); |
+} |
+ |
+TEST_F(MetricsWebContentsObserverTest, SamePageNoTriggerUntilTrueNavCommit) { |
+ base::TimeDelta first_layout = base::TimeDelta::FromMilliseconds(1); |
+ |
+ PageLoadTiming timing; |
+ timing.navigation_start = base::Time::FromDoubleT(1); |
+ timing.first_layout = first_layout; |
+ |
+ content::WebContentsTester* web_contents_tester = |
+ content::WebContentsTester::For(web_contents()); |
+ web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl)); |
+ |
+ observer_->OnMessageReceived( |
+ PageLoadMetricsMsg_TimingUpdated(observer_->routing_id(), timing), |
+ web_contents()->GetMainFrame()); |
+ web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrlAnchor)); |
+ // A same page navigation shouldn't trigger logging UMA for the original. |
+ AssertNoHistogramsLogged(); |
+ |
+ // But we should keep the timing info and log it when we get another |
+ // navigation. |
+ web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl2)); |
+ histogram_tester_.ExpectTotalCount(kHistogramNameDomContent, 0); |
+ histogram_tester_.ExpectTotalCount(kHistogramNameLoad, 0); |
+ histogram_tester_.ExpectTotalCount(kHistogramNameFirstLayout, 1); |
+ histogram_tester_.ExpectBucketCount(kHistogramNameFirstLayout, |
+ first_layout.InMilliseconds(), 1); |
+} |
+ |
+TEST_F(MetricsWebContentsObserverTest, SingleMetricAfterCommit) { |
+ base::TimeDelta first_layout = base::TimeDelta::FromMilliseconds(1); |
+ |
+ PageLoadTiming timing; |
+ timing.navigation_start = base::Time::FromDoubleT(1); |
+ timing.first_layout = first_layout; |
+ |
+ content::WebContentsTester* web_contents_tester = |
+ content::WebContentsTester::For(web_contents()); |
+ web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl)); |
+ |
+ observer_->OnMessageReceived( |
+ PageLoadMetricsMsg_TimingUpdated(observer_->routing_id(), timing), |
+ web_contents()->GetMainFrame()); |
+ |
+ AssertNoHistogramsLogged(); |
+ |
+ // Navigate again to force histogram recording. |
+ web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl2)); |
+ |
+ histogram_tester_.ExpectTotalCount(kHistogramNameDomContent, 0); |
+ histogram_tester_.ExpectTotalCount(kHistogramNameLoad, 0); |
+ histogram_tester_.ExpectTotalCount(kHistogramNameFirstLayout, 1); |
+ histogram_tester_.ExpectBucketCount(kHistogramNameFirstLayout, |
+ first_layout.InMilliseconds(), 1); |
+} |
+ |
+TEST_F(MetricsWebContentsObserverTest, MultipleMetricsAfterCommits) { |
+ base::TimeDelta first_layout_1 = base::TimeDelta::FromMilliseconds(1); |
+ base::TimeDelta first_layout_2 = base::TimeDelta::FromMilliseconds(20); |
+ base::TimeDelta response = base::TimeDelta::FromMilliseconds(10); |
+ base::TimeDelta dom_content = base::TimeDelta::FromMilliseconds(40); |
+ base::TimeDelta load = base::TimeDelta::FromMilliseconds(100); |
+ |
+ PageLoadTiming timing; |
+ timing.navigation_start = base::Time::FromDoubleT(1); |
+ timing.first_layout = first_layout_1; |
+ timing.response_start = response; |
+ timing.dom_content_loaded_event_start = dom_content; |
+ timing.load_event_start = load; |
+ |
+ content::WebContentsTester* web_contents_tester = |
+ content::WebContentsTester::For(web_contents()); |
+ web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl)); |
+ |
+ observer_->OnMessageReceived( |
+ PageLoadMetricsMsg_TimingUpdated(observer_->routing_id(), timing), |
+ web_contents()->GetMainFrame()); |
+ |
+ web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl2)); |
+ |
+ PageLoadTiming timing2; |
+ timing2.navigation_start = base::Time::FromDoubleT(200); |
+ timing2.first_layout = first_layout_2; |
+ |
+ observer_->OnMessageReceived( |
+ PageLoadMetricsMsg_TimingUpdated(observer_->routing_id(), timing2), |
+ web_contents()->GetMainFrame()); |
+ |
+ web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl)); |
+ |
+ histogram_tester_.ExpectBucketCount(kHistogramNameFirstLayout, |
+ first_layout_1.InMilliseconds(), 1); |
+ histogram_tester_.ExpectTotalCount(kHistogramNameFirstLayout, 2); |
+ histogram_tester_.ExpectBucketCount(kHistogramNameFirstLayout, |
+ first_layout_1.InMilliseconds(), 1); |
+ histogram_tester_.ExpectBucketCount(kHistogramNameFirstLayout, |
+ first_layout_2.InMilliseconds(), 1); |
+ |
+ histogram_tester_.ExpectTotalCount(kHistogramNameDomContent, 1); |
+ histogram_tester_.ExpectBucketCount(kHistogramNameDomContent, |
+ dom_content.InMilliseconds(), 1); |
+ |
+ histogram_tester_.ExpectTotalCount(kHistogramNameLoad, 1); |
+ histogram_tester_.ExpectBucketCount(kHistogramNameLoad, load.InMilliseconds(), |
+ 1); |
+} |
+ |
+} // namespace page_load_metrics |