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Issue 334223003: Battery Status API: end-to-end browsertests and default values. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase Created 6 years, 6 months ago
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1 // Copyright 2014 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 "base/command_line.h"
6 #include "base/synchronization/waitable_event.h"
7 #include "content/browser/battery_status/battery_status_manager.h"
8 #include "content/browser/battery_status/battery_status_service.h"
9 #include "content/public/browser/web_contents.h"
10 #include "content/public/common/content_switches.h"
11 #include "content/public/test/content_browser_test.h"
12 #include "content/public/test/content_browser_test_utils.h"
13 #include "content/public/test/test_navigation_observer.h"
14 #include "content/public/test/test_utils.h"
15 #include "content/shell/browser/shell.h"
16
17 namespace content {
18
19 namespace {
20
21 class FakeBatteryManager : public BatteryStatusManager {
22 public:
23 explicit FakeBatteryManager(
24 const BatteryStatusService::BatteryUpdateCallback& callback)
25 : battery_status_available_(true),
26 started_(false) {
27 callback_ = callback;
28 }
29 virtual ~FakeBatteryManager() { }
30
31 // Methods from BatteryStatusManager.
32 virtual bool StartListeningBatteryChange() OVERRIDE {
33 started_ = true;
34 if (battery_status_available_)
35 InvokeUpdateCallback();
36 return battery_status_available_;
37 }
38
39 virtual void StopListeningBatteryChange() OVERRIDE { }
40
41 void InvokeUpdateCallback() {
42 callback_.Run(status_);
43 }
44
45 void set_battery_status(const blink::WebBatteryStatus& status) {
46 status_ = status;
47 }
48
49 void set_battery_status_available(bool value) {
50 battery_status_available_ = value;
51 }
52
53 bool started() {
54 return started_;
55 }
56
57 private:
58 bool battery_status_available_;
59 bool started_;
60 blink::WebBatteryStatus status_;
61
62 DISALLOW_COPY_AND_ASSIGN(FakeBatteryManager);
63 };
64
65 class BatteryStatusBrowserTest : public ContentBrowserTest {
66 public:
67 BatteryStatusBrowserTest()
68 : battery_manager_(0),
69 battery_service_(0),
70 io_loop_finished_event_(false, false) {
71 }
72
73 virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
74 command_line->AppendSwitch(
75 switches::kEnableExperimentalWebPlatformFeatures);
76 }
77
78 virtual void SetUpOnMainThread() OVERRIDE {
79 BrowserThread::PostTask(
80 BrowserThread::IO, FROM_HERE,
81 base::Bind(&BatteryStatusBrowserTest::SetUpOnIOThread, this));
82 io_loop_finished_event_.Wait();
83 }
84
85 void SetUpOnIOThread() {
86 battery_service_ = BatteryStatusService::GetInstance();
87 battery_manager_ = new FakeBatteryManager(
88 battery_service_->GetUpdateCallbackForTesting());
89 battery_service_->SetBatteryManagerForTesting(battery_manager_);
90 io_loop_finished_event_.Signal();
91 }
92
93 virtual void TearDown() OVERRIDE {
94 battery_service_->SetBatteryManagerForTesting(0);
95 }
96
97 FakeBatteryManager* battery_manager() {
98 return battery_manager_;
99 }
100
101 private:
102 FakeBatteryManager* battery_manager_;
103 BatteryStatusService* battery_service_;
104 base::WaitableEvent io_loop_finished_event_;
105
106 DISALLOW_COPY_AND_ASSIGN(BatteryStatusBrowserTest);
107 };
108
109 IN_PROC_BROWSER_TEST_F(BatteryStatusBrowserTest, BatteryManagerDefaultValues) {
110 // Set the fake battery manager to return false on start. From JavaScript
111 // request a promise for the battery status information and once it resolves
112 // check the default values and navigate to #pass.
113 battery_manager()->set_battery_status_available(false);
114 GURL test_url = GetTestUrl(
115 "battery_status", "battery_status_default_test.html");
116 NavigateToURLBlockUntilNavigationsComplete(shell(), test_url, 2);
117 EXPECT_EQ("pass", shell()->web_contents()->GetLastCommittedURL().ref());
118 EXPECT_TRUE(battery_manager()->started());
119 }
120
121 IN_PROC_BROWSER_TEST_F(BatteryStatusBrowserTest, BatteryManagerResolvePromise) {
122 // Set the fake battery manager to return predefined battery status values.
123 // From JavaScript request a promise for the battery status information and
124 // once it resolves check the values and navigate to #pass.
125 blink::WebBatteryStatus status;
126 status.charging = true;
127 status.chargingTime = 100;
128 status.dischargingTime = std::numeric_limits<double>::infinity();
129 status.level = 0.5;
130 battery_manager()->set_battery_status(status);
131
132 GURL test_url = GetTestUrl(
133 "battery_status", "battery_status_promise_resolution_test.html");
134 NavigateToURLBlockUntilNavigationsComplete(shell(), test_url, 2);
135 EXPECT_EQ("pass", shell()->web_contents()->GetLastCommittedURL().ref());
136 EXPECT_TRUE(battery_manager()->started());
137 }
138
139 IN_PROC_BROWSER_TEST_F(BatteryStatusBrowserTest,
140 BatteryManagerWithEventListener) {
141 // Set the fake battery manager to return default battery status values.
142 // From JavaScript request a promise for the battery status information.
143 // Once it resolves add an event listener for battery level change. Set
144 // battery level to 0.6 and invoke update. Check that the event listener
145 // is invoked with the correct value for level and navigate to #pass.
146 blink::WebBatteryStatus status;
147 battery_manager()->set_battery_status(status);
148
149 TestNavigationObserver same_tab_observer(shell()->web_contents(), 2);
150 GURL test_url = GetTestUrl(
151 "battery_status", "battery_status_event_listener_test.html");
152 shell()->LoadURL(test_url);
153 same_tab_observer.Wait();
154 EXPECT_EQ("resolved", shell()->web_contents()->GetLastCommittedURL().ref());
155
156 TestNavigationObserver same_tab_observer2(shell()->web_contents(), 1);
157 status.level = 0.6;
158 battery_manager()->set_battery_status(status);
159 battery_manager()->InvokeUpdateCallback();
160 same_tab_observer2.Wait();
161 EXPECT_EQ("pass", shell()->web_contents()->GetLastCommittedURL().ref());
162 EXPECT_TRUE(battery_manager()->started());
163 }
164
165 } // namespace
166
167 } // namespace content
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