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1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "chrome/browser/page_load_metrics/observers/resource_tracking_page_load _metrics_observer.h" | |
6 | |
7 #include "chrome/browser/page_load_metrics/observers/page_load_metrics_observer_ test_harness.h" | |
8 | |
9 namespace { | |
10 const char kFakeUrl[] = "http://www.google.com/nothingotseehere.html"; | |
11 } // namespace | |
12 | |
13 namespace page_load_metrics { | |
14 | |
15 class ResourceTrackingPageLoadMetricsObserverTest | |
16 : public page_load_metrics::PageLoadMetricsObserverTestHarness { | |
17 public: | |
18 ResourceTrackingPageLoadMetricsObserverTest() : observer_(nullptr) {} | |
19 | |
20 protected: | |
21 void RegisterObservers(page_load_metrics::PageLoadTracker* tracker) override { | |
22 std::unique_ptr<page_load_metrics::ResourceTrackingPageLoadMetricsObserver> | |
23 observer( | |
24 new page_load_metrics::ResourceTrackingPageLoadMetricsObserver()); | |
25 // Keep track of the observer pointer so we can check it in the unit test. | |
26 observer_ = observer.get(); | |
27 tracker->AddObserver(std::move(observer)); | |
28 } | |
29 | |
30 page_load_metrics::ResourceTrackingPageLoadMetricsObserver* observer() { | |
31 return observer_; | |
32 } | |
33 | |
34 private: | |
35 page_load_metrics::ResourceTrackingPageLoadMetricsObserver* observer_; | |
Bryan McQuade
2017/04/24 13:56:55
can you add a comment noting that the observer is
Pete Williamson
2017/04/24 19:53:14
Done.
| |
36 }; | |
37 | |
38 TEST_F(ResourceTrackingPageLoadMetricsObserverTest, StartAndFinish) { | |
39 page_load_metrics::ExtraRequestStartInfo start_info_1{ | |
40 content::ResourceType::RESOURCE_TYPE_IMAGE}; | |
41 | |
42 page_load_metrics::ExtraRequestStartInfo start_info_2{ | |
43 content::ResourceType::RESOURCE_TYPE_IMAGE}; | |
44 | |
45 page_load_metrics::ExtraRequestCompleteInfo done_info = { | |
46 false /*was_cached*/, 1024 * 40 /* raw_body_bytes */, | |
47 false /* data_reduction_proxy_used*/, | |
48 1024 * 40 /* original_network_content_length */, | |
49 content::ResourceType::RESOURCE_TYPE_IMAGE}; | |
50 | |
51 // Start the navigation. This will create the page load tracker and register | |
52 // the observers. | |
53 NavigateAndCommit(GURL(kFakeUrl)); | |
54 | |
55 // Simulate starting two images, and completing one. | |
56 SimulateStartedResource(start_info_1); | |
57 SimulateStartedResource(start_info_2); | |
58 SimulateLoadedResource(done_info); | |
59 | |
60 int64_t started = -1; | |
61 int64_t completed = -1; | |
62 EXPECT_NE(nullptr, observer()); | |
63 observer()->GetCountsForTypeForTesting( | |
64 content::ResourceType::RESOURCE_TYPE_IMAGE, &started, &completed); | |
65 EXPECT_EQ(2, started); | |
66 EXPECT_EQ(1, completed); | |
67 } | |
68 | |
69 } // namespace page_load_metrics | |
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