| // Copyright 2017 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 "chrome/browser/page_load_metrics/observers/noscript_preview_page_load_metrics_observer.h" |
| |
| #include <stdint.h> |
| #include <memory> |
| #include <utility> |
| |
| #include "base/macros.h" |
| #include "base/optional.h" |
| #include "base/test/scoped_feature_list.h" |
| #include "base/time/time.h" |
| #include "chrome/browser/loader/chrome_navigation_data.h" |
| #include "chrome/browser/page_load_metrics/observers/page_load_metrics_observer_test_harness.h" |
| #include "chrome/browser/page_load_metrics/page_load_metrics_observer.h" |
| #include "chrome/browser/page_load_metrics/page_load_tracker.h" |
| #include "chrome/common/page_load_metrics/page_load_timing.h" |
| #include "chrome/common/page_load_metrics/test/page_load_metrics_test_util.h" |
| #include "components/previews/core/previews_features.h" |
| #include "content/public/browser/web_contents.h" |
| #include "content/public/common/previews_state.h" |
| #include "content/public/test/navigation_simulator.h" |
| #include "content/public/test/web_contents_tester.h" |
| |
| namespace previews { |
| |
| namespace { |
| |
| const char kDefaultTestUrl[] = "https://www.google.com"; |
| |
| class NoScriptPreviewPageLoadMetricsObserverTest |
| : public page_load_metrics::PageLoadMetricsObserverTestHarness { |
| public: |
| NoScriptPreviewPageLoadMetricsObserverTest() {} |
| ~NoScriptPreviewPageLoadMetricsObserverTest() override {} |
| |
| void ResetTest() { |
| page_load_metrics::InitPageLoadTimingForTest(&timing_); |
| // Reset to the default testing state. Does not reset histogram state. |
| timing_.navigation_start = base::Time::FromDoubleT(1); |
| timing_.response_start = base::TimeDelta::FromSeconds(2); |
| timing_.parse_timing->parse_start = base::TimeDelta::FromSeconds(3); |
| timing_.paint_timing->first_contentful_paint = |
| base::TimeDelta::FromSeconds(4); |
| timing_.paint_timing->first_paint = base::TimeDelta::FromSeconds(4); |
| timing_.paint_timing->first_meaningful_paint = |
| base::TimeDelta::FromSeconds(8); |
| timing_.paint_timing->first_image_paint = base::TimeDelta::FromSeconds(5); |
| timing_.paint_timing->first_text_paint = base::TimeDelta::FromSeconds(6); |
| timing_.document_timing->load_event_start = base::TimeDelta::FromSeconds(7); |
| timing_.parse_timing->parse_stop = base::TimeDelta::FromSeconds(4); |
| timing_.parse_timing->parse_blocked_on_script_load_duration = |
| base::TimeDelta::FromSeconds(1); |
| PopulateRequiredTimingFields(&timing_); |
| } |
| |
| content::GlobalRequestID NavigateAndCommitWithPreviewsState( |
| content::PreviewsState previews_state) { |
| auto navigation_simulator = |
| content::NavigationSimulator::CreateRendererInitiated( |
| GURL(kDefaultTestUrl), main_rfh()); |
| navigation_simulator->Start(); |
| auto chrome_navigation_data = std::make_unique<ChromeNavigationData>(); |
| chrome_navigation_data->set_previews_state(previews_state); |
| content::WebContentsTester::For(web_contents()) |
| ->SetNavigationData(navigation_simulator->GetNavigationHandle(), |
| std::move(chrome_navigation_data)); |
| navigation_simulator->Commit(); |
| return navigation_simulator->GetGlobalRequestID(); |
| } |
| |
| void ValidateTimingHistograms(bool noscript_preview_request_sent) { |
| ValidateTimingHistogram(noscript_preview_names::kNavigationToLoadEvent, |
| timing_.document_timing->load_event_start, |
| noscript_preview_request_sent); |
| ValidateTimingHistogram( |
| noscript_preview_names::kNavigationToFirstContentfulPaint, |
| timing_.paint_timing->first_contentful_paint, |
| noscript_preview_request_sent); |
| ValidateTimingHistogram( |
| noscript_preview_names::kNavigationToFirstMeaningfulPaint, |
| timing_.paint_timing->first_meaningful_paint, |
| noscript_preview_request_sent); |
| ValidateTimingHistogram( |
| noscript_preview_names::kParseBlockedOnScriptLoad, |
| timing_.parse_timing->parse_blocked_on_script_load_duration, |
| noscript_preview_request_sent); |
| ValidateTimingHistogram(noscript_preview_names::kParseDuration, |
| timing_.parse_timing->parse_stop.value() - |
| timing_.parse_timing->parse_start.value(), |
| noscript_preview_request_sent); |
| } |
| |
| void ValidateTimingHistogram(const std::string& histogram, |
| const base::Optional<base::TimeDelta>& event, |
| bool noscript_preview_request_sent) { |
| histogram_tester().ExpectTotalCount(histogram, |
| noscript_preview_request_sent ? 1 : 0); |
| if (!noscript_preview_request_sent) { |
| histogram_tester().ExpectTotalCount(histogram, 0); |
| } else { |
| histogram_tester().ExpectUniqueSample( |
| histogram, |
| static_cast<base::HistogramBase::Sample>( |
| event.value().InMilliseconds()), |
| 1); |
| } |
| } |
| |
| void ValidateDataHistograms(int network_resources, int64_t network_bytes) { |
| if (network_resources > 0) { |
| histogram_tester().ExpectUniqueSample( |
| noscript_preview_names::kNumNetworkResources, network_resources, 1); |
| histogram_tester().ExpectUniqueSample( |
| noscript_preview_names::kNetworkBytes, |
| static_cast<int>(network_bytes / 1024), 1); |
| } else { |
| histogram_tester().ExpectTotalCount( |
| noscript_preview_names::kNumNetworkResources, 0); |
| histogram_tester().ExpectTotalCount(noscript_preview_names::kNetworkBytes, |
| 0); |
| } |
| } |
| |
| protected: |
| void RegisterObservers(page_load_metrics::PageLoadTracker* tracker) override { |
| tracker->AddObserver( |
| std::make_unique<NoScriptPreviewPageLoadMetricsObserver>()); |
| } |
| |
| page_load_metrics::mojom::PageLoadTiming timing_; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(NoScriptPreviewPageLoadMetricsObserverTest); |
| }; |
| |
| TEST_F(NoScriptPreviewPageLoadMetricsObserverTest, NoScriptPreviewNotSeen) { |
| base::test::ScopedFeatureList scoped_feature_list; |
| scoped_feature_list.InitAndEnableFeature( |
| previews::features::kNoScriptPreviews); |
| ResetTest(); |
| |
| content::GlobalRequestID request_id = |
| NavigateAndCommitWithPreviewsState(content::PREVIEWS_OFF); |
| |
| page_load_metrics::ExtraRequestCompleteInfo main_frame_info( |
| GURL(kResourceUrl), net::HostPortPair(), -1 /* frame_tree_node_id */, |
| false, /* cached */ |
| 5 * 1024 /* size */, 0 /* original_network_content_length */, |
| nullptr |
| /* data_reduction_proxy_data */, |
| content::RESOURCE_TYPE_MAIN_FRAME, 0, nullptr /* load_timing_info */); |
| SimulateLoadedResource(main_frame_info, request_id); |
| |
| page_load_metrics::ExtraRequestCompleteInfo network_resource_info( |
| GURL(kResourceUrl), net::HostPortPair(), -1 /* frame_tree_node_id */, |
| false, /* cached */ |
| 20 * 1024 /* size */, 0 /* original_network_content_length */, |
| nullptr |
| /* data_reduction_proxy_data */, |
| content::RESOURCE_TYPE_IMAGE, 0, nullptr /* load_timing_info */); |
| SimulateLoadedResource(network_resource_info); |
| |
| SimulateTimingUpdate(timing_); |
| NavigateToUntrackedUrl(); |
| |
| ValidateTimingHistograms(false /* is_using_noscript */); |
| ValidateDataHistograms(0 /* network_resources */, 0 /* network_bytes */); |
| } |
| |
| TEST_F(NoScriptPreviewPageLoadMetricsObserverTest, NoScriptPreviewSeen) { |
| base::test::ScopedFeatureList scoped_feature_list; |
| scoped_feature_list.InitAndEnableFeature( |
| previews::features::kNoScriptPreviews); |
| ResetTest(); |
| |
| content::GlobalRequestID request_id = |
| NavigateAndCommitWithPreviewsState(content::NOSCRIPT_ON); |
| |
| page_load_metrics::ExtraRequestCompleteInfo main_frame_info( |
| GURL(kResourceUrl), net::HostPortPair(), -1 /* frame_tree_node_id */, |
| false, /* cached */ |
| 5 * 1024 /* size */, 0 /* original_network_content_length */, |
| nullptr |
| /* data_reduction_proxy_data */, |
| content::RESOURCE_TYPE_MAIN_FRAME, 0, nullptr /* load_timing_info */); |
| SimulateLoadedResource(main_frame_info, request_id); |
| |
| page_load_metrics::ExtraRequestCompleteInfo cached_resource_info( |
| GURL(kResourceUrl), net::HostPortPair(), -1 /* frame_tree_node_id */, |
| true, /* cached */ |
| 13 * 1024 /* size */, 0 /* original_network_content_length */, |
| nullptr |
| /* data_reduction_proxy_data */, |
| content::RESOURCE_TYPE_IMAGE, 0, nullptr /* load_timing_info */); |
| SimulateLoadedResource(cached_resource_info); |
| |
| page_load_metrics::ExtraRequestCompleteInfo network_resource_info( |
| GURL(kResourceUrl), net::HostPortPair(), -1 /* frame_tree_node_id */, |
| false, /* cached */ |
| 20 * 1024 /* size */, 0 /* original_network_content_length */, |
| nullptr |
| /* data_reduction_proxy_data */, |
| content::RESOURCE_TYPE_IMAGE, 0, nullptr /* load_timing_info */); |
| SimulateLoadedResource(network_resource_info); |
| |
| SimulateTimingUpdate(timing_); |
| NavigateToUntrackedUrl(); |
| |
| ValidateTimingHistograms(true /* is_using_noscript */); |
| ValidateDataHistograms(2 /* network_resources */, |
| 25 * 1024 /* network_bytes */); |
| } |
| |
| } // namespace |
| |
| } // namespace previews |
