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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/chromeos/login/screens/update_screen.h" | |
6 #include "base/command_line.h" | |
7 #include "base/message_loop/message_loop.h" | |
8 #include "base/test/scoped_mock_time_message_loop_task_runner.h" | |
9 #include "chrome/browser/chromeos/login/screens/mock_base_screen_delegate.h" | |
10 #include "chrome/browser/chromeos/login/screens/mock_error_screen.h" | |
11 #include "chrome/browser/chromeos/login/screens/mock_update_screen.h" | |
12 #include "chrome/browser/chromeos/login/startup_utils.h" | |
13 #include "chrome/browser/chromeos/settings/cros_settings.h" | |
14 #include "chrome/browser/chromeos/settings/device_settings_service.h" | |
15 #include "chrome/test/base/scoped_testing_local_state.h" | |
16 #include "chrome/test/base/testing_browser_process.h" | |
17 #include "chromeos/chromeos_switches.h" | |
18 #include "chromeos/dbus/dbus_thread_manager.h" | |
19 #include "chromeos/dbus/fake_update_engine_client.h" | |
20 #include "chromeos/dbus/update_engine_client.h" | |
21 #include "chromeos/network/network_handler.h" | |
22 #include "chromeos/network/portal_detector/mock_network_portal_detector.h" | |
23 #include "chromeos/network/portal_detector/network_portal_detector.h" | |
24 #include "components/pairing/fake_host_pairing_controller.h" | |
25 #include "content/public/test/test_browser_thread_bundle.h" | |
26 #include "testing/gtest/include/gtest/gtest.h" | |
27 | |
28 using testing::_; | |
29 using testing::AnyNumber; | |
30 using testing::Return; | |
31 | |
32 namespace chromeos { | |
33 | |
34 class UpdateScreenUnitTest : public testing::Test { | |
35 public: | |
36 UpdateScreenUnitTest() | |
37 : fake_controller_(""), | |
38 local_state_(TestingBrowserProcess::GetGlobal()) {} | |
39 | |
40 // Fast-forwards time by the specified amount. | |
41 void FastForwardTime(base::TimeDelta time) { | |
42 base::Time last = StartupUtils::GetTimeOfLastUpdateCheckWithoutUpdate(); | |
43 ASSERT_FALSE(last.is_null()); | |
44 base::Time modified_last = last - time; | |
45 StartupUtils::SaveTimeOfLastUpdateCheckWithoutUpdate(modified_last); | |
46 } | |
47 | |
48 // Simulates an update being available (or not). | |
49 // The parameter "update_screen" points to the currently active UpdateScreen. | |
50 // The parameter "available" indicates whether an update is available. | |
51 // The parameter "critical" indicates whether that update is critical. | |
52 void SimulateUpdateAvailable( | |
53 const std::unique_ptr<UpdateScreen>& update_screen, | |
54 bool available, | |
55 bool critical) { | |
56 update_engine_status_.status = | |
57 UpdateEngineClient::UPDATE_STATUS_CHECKING_FOR_UPDATE; | |
58 fake_update_engine_client_->NotifyObserversThatStatusChanged( | |
59 update_engine_status_); | |
60 if (critical) { | |
61 ASSERT_TRUE(available) << "Does not make sense for an update to be " | |
62 "critical if one is not even available."; | |
63 update_screen->is_ignore_update_deadlines_ = true; | |
64 } | |
65 update_engine_status_.status = | |
66 available ? UpdateEngineClient::UPDATE_STATUS_UPDATE_AVAILABLE | |
67 : UpdateEngineClient::UPDATE_STATUS_IDLE; | |
68 fake_update_engine_client_->NotifyObserversThatStatusChanged( | |
69 update_engine_status_); | |
70 } | |
71 | |
72 // testing::Test: | |
73 void SetUp() override { | |
74 // Configure the browser to use Hands-Off Enrollment. | |
75 base::CommandLine::ForCurrentProcess()->AppendSwitchASCII( | |
76 switches::kEnterpriseEnableZeroTouchEnrollment, "hands-off"); | |
77 | |
78 // Initialize objects needed by UpdateScreen | |
79 fake_update_engine_client_ = new FakeUpdateEngineClient(); | |
80 DBusThreadManager::GetSetterForTesting()->SetUpdateEngineClient( | |
81 std::unique_ptr<UpdateEngineClient>(fake_update_engine_client_)); | |
82 NetworkHandler::Initialize(); | |
83 mock_network_portal_detector_ = new MockNetworkPortalDetector(); | |
84 network_portal_detector::SetNetworkPortalDetector( | |
85 mock_network_portal_detector_); | |
86 mock_error_screen_.reset( | |
87 new MockErrorScreen(&mock_base_screen_delegate_, &mock_error_view_)); | |
88 // fake_controller_ = new pairing_chromeos::FakeHostPairingController(""); | |
xiyuan
2017/05/19 17:48:09
Remove if it is not needed.
kumarniranjan
2017/05/19 18:03:02
Done.
| |
89 | |
90 // Ensure proper behavior of UpdateScreen's supporting objects. | |
91 EXPECT_CALL(*mock_network_portal_detector_, IsEnabled()) | |
92 .Times(AnyNumber()) | |
93 .WillRepeatedly(Return(false)); | |
94 EXPECT_CALL(mock_base_screen_delegate_, GetErrorScreen()) | |
95 .Times(AnyNumber()) | |
96 .WillRepeatedly(Return(mock_error_screen_.get())); | |
97 | |
98 // Later verifies that UpdateScreen successfully exits both times. | |
99 EXPECT_CALL(mock_base_screen_delegate_, | |
100 OnExit(_, ScreenExitCode::UPDATE_NOUPDATE, _)) | |
101 .Times(2); | |
102 } | |
103 | |
104 void TearDown() override { | |
105 TestingBrowserProcess::GetGlobal()->SetShuttingDown(true); | |
106 first_update_screen_.reset(); | |
107 second_update_screen_.reset(); | |
108 mock_error_screen_.reset(); | |
109 network_portal_detector::Shutdown(); | |
110 NetworkHandler::Shutdown(); | |
111 DBusThreadManager::Shutdown(); | |
112 } | |
113 | |
114 protected: | |
115 // A pointer to the UpdateScreen that shows up during the first OOBE. | |
116 std::unique_ptr<UpdateScreen> first_update_screen_; | |
117 | |
118 // A pointer to the UpdateScreen which shows up during the second OOBE. | |
119 // This test verifies proper behavior if the device is restarted before | |
120 // OOBE is complete, which is why there is a second OOBE. | |
121 std::unique_ptr<UpdateScreen> second_update_screen_; | |
122 | |
123 // Accessory objects needed by UpdateScreen. | |
124 MockBaseScreenDelegate mock_base_screen_delegate_; | |
125 MockUpdateView mock_view_; | |
126 MockNetworkErrorView mock_error_view_; | |
127 UpdateEngineClient::Status update_engine_status_; | |
128 pairing_chromeos::FakeHostPairingController fake_controller_; | |
129 std::unique_ptr<MockErrorScreen> mock_error_screen_; | |
130 MockNetworkPortalDetector* mock_network_portal_detector_; | |
131 FakeUpdateEngineClient* fake_update_engine_client_; | |
132 | |
133 private: | |
134 // Test versions of core browser infrastructure. | |
135 content::TestBrowserThreadBundle threads_; | |
136 ScopedTestingLocalState local_state_; | |
137 | |
138 DISALLOW_COPY_AND_ASSIGN(UpdateScreenUnitTest); | |
139 }; | |
140 | |
141 // Test Scenario Description: | |
142 // In this description, "will" refers to an external event, and "should" refers | |
143 // to the expected behavior of the DUT in response to external events. | |
144 // | |
145 // The DUT boots up and starts OOBE. Since it is a Hands-Off device, it | |
146 // proceeds through OOBE automatically. When it hits the UpdateScreen, | |
147 // it checks for updates. It will find that there is indeed an update | |
148 // available, will then install it. After installing the update, it should | |
149 // continue with Hands-Off OOBE. Then, before OOBE is complete, something | |
150 // (could be user, environment, anything) will cause the DUT to reboot. | |
151 // Since OOBE is not complete, the DUT goes through OOBE again. | |
152 // When the DUT hits the UpdateScreen during this second OOBE run-through, | |
153 // it should check for updates again. | |
154 TEST_F(UpdateScreenUnitTest, ChecksForUpdateBothTimesIfFirstIsInstalled) { | |
155 // DUT reaches UpdateScreen for the first time. | |
156 first_update_screen_.reset(new UpdateScreen(&mock_base_screen_delegate_, | |
157 &mock_view_, &fake_controller_)); | |
158 first_update_screen_->StartNetworkCheck(); | |
159 | |
160 // Verify that the DUT checks for an update. | |
161 EXPECT_EQ(fake_update_engine_client_->request_update_check_call_count(), 1); | |
162 | |
163 // An update is available. | |
164 SimulateUpdateAvailable(first_update_screen_, true /* available */, | |
165 false /* critical */); | |
166 | |
167 // DUT reboots... | |
168 // After rebooting, the DUT reaches UpdateScreen for the second time. | |
169 second_update_screen_.reset(new UpdateScreen(&mock_base_screen_delegate_, | |
170 &mock_view_, &fake_controller_)); | |
171 second_update_screen_->StartNetworkCheck(); | |
172 | |
173 // Verify that the DUT checks for updates again. | |
174 EXPECT_EQ(fake_update_engine_client_->request_update_check_call_count(), 2); | |
175 | |
176 // No updates available this time. | |
177 SimulateUpdateAvailable(second_update_screen_, false /* available */, | |
178 false /* critical */); | |
179 } | |
180 | |
181 // Test Scenario Description: | |
182 // In this description, "will" refers to an external event, and "should" refers | |
183 // to the expected behavior of the DUT in response to external events. | |
184 // | |
185 // The DUT boots up and starts OOBE. Since it is a Hands-Off device, it | |
186 // proceeds through OOBE automatically. When it hits the UpdateScreen, | |
187 // it checks for updates. It will find that there are no updates | |
188 // available, and it should leave the UpdateScreen without installing any | |
189 // updates. It continues with OOBE. Then, before OOBE is complete, something | |
190 // (could be user, environment, anything) will cause the DUT to reboot. | |
191 // Since OOBE is not complete, the DUT goes through OOBE again. | |
192 // When the DUT hits the UpdateScreen during this second OOBE run-through, | |
193 // more than one hour will have passed since the previous update check. | |
194 // Therefore, the DUT should check for updates again. | |
195 TEST_F(UpdateScreenUnitTest, ChecksForUpdateBothTimesIfEnoughTimePasses) { | |
196 // DUT reaches UpdateScreen for the first time. | |
197 first_update_screen_.reset(new UpdateScreen(&mock_base_screen_delegate_, | |
198 &mock_view_, &fake_controller_)); | |
199 first_update_screen_->StartNetworkCheck(); | |
200 | |
201 // Verify that the DUT checks for updates. | |
202 EXPECT_EQ(fake_update_engine_client_->request_update_check_call_count(), 1); | |
203 | |
204 // No updates are available. | |
205 SimulateUpdateAvailable(first_update_screen_, false /* available */, | |
206 false /* critical */); | |
207 | |
208 // Fast-forward time by one hour. | |
209 FastForwardTime(base::TimeDelta::FromHours(1)); | |
210 | |
211 // DUT reboots... | |
212 // After rebooting, the DUT reaches UpdateScreen for the second time. | |
213 second_update_screen_.reset(new UpdateScreen(&mock_base_screen_delegate_, | |
214 &mock_view_, &fake_controller_)); | |
215 second_update_screen_->StartNetworkCheck(); | |
216 | |
217 // Verify that the DUT checks for updates again. | |
218 EXPECT_EQ(fake_update_engine_client_->request_update_check_call_count(), 2); | |
219 | |
220 // No updates available this time either. | |
221 SimulateUpdateAvailable(second_update_screen_, false /* available */, | |
222 false /* critical */); | |
223 } | |
224 | |
225 // Test Scenario Description: | |
226 // In this description, "will" refers to an external event, and "should" refers | |
227 // to the expected behavior of the DUT in response to external events. | |
228 // | |
229 // The DUT boots up and starts OOBE. Since it is a Hands-Off device, it | |
230 // proceeds through OOBE automatically. When it hits the UpdateScreen, | |
231 // it checks for updates. It will find that there are no updates | |
232 // available, and it should leave the UpdateScreen without installing any | |
233 // updates. It continues with OOBE. Then, before OOBE is complete, something | |
234 // (could be user, environment, anything) will cause the DUT to reboot. | |
235 // Since OOBE is not complete, the DUT goes through OOBE again. | |
236 // When the DUT hits the UpdateScreen during this second OOBE run-through, | |
237 // less than one hour will have passed since the previous update check. | |
238 // Therefore, the DUT should not check for updates again. | |
239 TEST_F(UpdateScreenUnitTest, ChecksForUpdateOnceButNotAgainIfTooSoon) { | |
240 // DUT reaches UpdateScreen for the first time. | |
241 first_update_screen_.reset(new UpdateScreen(&mock_base_screen_delegate_, | |
242 &mock_view_, &fake_controller_)); | |
243 first_update_screen_->StartNetworkCheck(); | |
244 | |
245 // Verify that the DUT checks for updates. | |
246 EXPECT_EQ(fake_update_engine_client_->request_update_check_call_count(), 1); | |
247 | |
248 // No update available. | |
249 SimulateUpdateAvailable(first_update_screen_, false /* available */, | |
250 false /* critical */); | |
251 | |
252 // DUT reboots... | |
253 // After rebooting, the DUT reaches UpdateScreen for the second time. | |
254 second_update_screen_.reset(new UpdateScreen(&mock_base_screen_delegate_, | |
255 &mock_view_, &fake_controller_)); | |
256 second_update_screen_->StartNetworkCheck(); | |
257 | |
258 // Verify that the DUT did not check for updates again. | |
259 EXPECT_EQ(fake_update_engine_client_->request_update_check_call_count(), 1); | |
260 | |
261 // No update available this time either. | |
262 SimulateUpdateAvailable(second_update_screen_, false /* available */, | |
263 false /* critical */); | |
264 } | |
265 | |
266 // Test Scenario Description: | |
267 // In this description, "will" refers to an external event, and "should" refers | |
268 // to the expected behavior of the DUT in response to external events. | |
269 // | |
270 // The DUT boots up and starts OOBE. Since it is a Hands-Off device, it | |
271 // proceeds through OOBE automatically. When it hits the UpdateScreen, | |
272 // it checks for updates. It will find that a critical update is available. | |
273 // The DUT installs the update, and because the update is critical, it reboots. | |
274 // Since OOBE is not complete, the DUT goes through OOBE again after reboot. | |
275 // When the DUT hits the UpdateScreen during this second OOBE run-through, | |
276 // it should check for updates again. | |
277 TEST_F(UpdateScreenUnitTest, ChecksForUpdateBothTimesIfCriticalUpdate) { | |
278 // DUT reaches UpdateScreen for the first time. | |
279 first_update_screen_.reset(new UpdateScreen(&mock_base_screen_delegate_, | |
280 &mock_view_, &fake_controller_)); | |
281 first_update_screen_->StartNetworkCheck(); | |
282 | |
283 // Verify that the DUT checks for updates. | |
284 EXPECT_EQ(fake_update_engine_client_->request_update_check_call_count(), 1); | |
285 | |
286 // An update is available, and it's critical! | |
287 SimulateUpdateAvailable(first_update_screen_, true /* available */, | |
288 true /* critical */); | |
289 | |
290 // DUT reboots... | |
291 // After rebooting, the DUT reaches UpdateScreen for the second time. | |
292 second_update_screen_.reset(new UpdateScreen(&mock_base_screen_delegate_, | |
293 &mock_view_, &fake_controller_)); | |
294 second_update_screen_->StartNetworkCheck(); | |
295 | |
296 // Verify that the DUT checks for updates again. | |
297 EXPECT_EQ(fake_update_engine_client_->request_update_check_call_count(), 2); | |
298 | |
299 // No update available this time. | |
300 SimulateUpdateAvailable(second_update_screen_, false /* available */, | |
301 false /* critical */); | |
302 } | |
303 | |
304 } // namespace chromeos | |
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