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| 1 // Copyright 2016 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 "components/offline_pages/snapshot_controller.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/run_loop.h" | |
| 9 #include "base/single_thread_task_runner.h" | |
| 10 #include "base/test/test_mock_time_task_runner.h" | |
| 11 #include "base/threading/thread_task_runner_handle.h" | |
| 12 #include "base/time/time.h" | |
| 13 #include "testing/gtest/include/gtest/gtest.h" | |
| 14 | |
| 15 namespace offline_pages { | |
| 16 | |
| 17 class SnapshotControllerTest | |
| 18 : public testing::Test, | |
| 19 public SnapshotController::Client { | |
| 20 public: | |
| 21 SnapshotControllerTest(); | |
| 22 ~SnapshotControllerTest() override; | |
| 23 | |
| 24 SnapshotController* controller() { return controller_.get(); } | |
| 25 int snapshot_count() { return snapshot_count_; } | |
| 26 | |
| 27 // testing::Test | |
| 28 void SetUp() override; | |
| 29 void TearDown() override; | |
| 30 | |
| 31 // SnapshotController::Client | |
| 32 void StartSnapshot() override; | |
| 33 | |
| 34 // Utility methods. | |
| 35 // Runs until all of the tasks that are not delayed are gone from the task | |
| 36 // queue. | |
| 37 void PumpLoop(); | |
| 38 // Fast-forwards virtual time by |delta|, causing tasks with a remaining | |
| 39 // delay less than or equal to |delta| to be executed. | |
| 40 void FastForwardBy(base::TimeDelta delta); | |
| 41 | |
| 42 private: | |
| 43 std::unique_ptr<SnapshotController> controller_; | |
| 44 scoped_refptr<base::TestMockTimeTaskRunner> task_runner_; | |
| 45 bool snapshot_started_; | |
| 46 int snapshot_count_; | |
| 47 }; | |
| 48 | |
| 49 SnapshotControllerTest::SnapshotControllerTest() | |
| 50 : task_runner_(new base::TestMockTimeTaskRunner), | |
| 51 snapshot_started_(true), | |
| 52 snapshot_count_(0) { | |
| 53 } | |
| 54 | |
| 55 SnapshotControllerTest::~SnapshotControllerTest() { | |
| 56 } | |
| 57 | |
| 58 void SnapshotControllerTest::SetUp() { | |
| 59 controller_.reset(new SnapshotController(task_runner_, this)); | |
| 60 snapshot_started_ = true; | |
| 61 } | |
| 62 | |
| 63 void SnapshotControllerTest::TearDown() { | |
| 64 controller_.reset(); | |
| 65 } | |
| 66 | |
| 67 void SnapshotControllerTest::StartSnapshot() { | |
| 68 snapshot_count_++; | |
| 69 } | |
| 70 | |
| 71 void SnapshotControllerTest::PumpLoop() { | |
| 72 task_runner_->RunUntilIdle(); | |
| 73 } | |
| 74 | |
| 75 void SnapshotControllerTest::FastForwardBy(base::TimeDelta delta) { | |
| 76 task_runner_->FastForwardBy(delta); | |
| 77 } | |
| 78 | |
| 79 TEST_F(SnapshotControllerTest, OnLoad) { | |
| 80 // Onload should make snapshot after its delay. | |
| 81 controller()->DocumentOnLoadCompletedInMainFrame(); | |
| 82 PumpLoop(); | |
| 83 EXPECT_EQ(0, snapshot_count()); | |
| 84 FastForwardBy(base::TimeDelta::FromMilliseconds( | |
| 85 controller()->GetDelayAfterDocumentOnLoadCompletedForTest())); | |
| 86 EXPECT_EQ(1, snapshot_count()); | |
| 87 } | |
| 88 | |
| 89 TEST_F(SnapshotControllerTest, OnDocumentAvailable) { | |
| 90 EXPECT_GT(controller()->GetDelayAfterDocumentAvailableForTest(), 0UL); | |
| 91 // OnDOM should make snapshot after a delay. | |
| 92 controller()->DocumentAvailableInMainFrame(); | |
| 93 PumpLoop(); | |
| 94 EXPECT_EQ(0, snapshot_count()); | |
| 95 FastForwardBy(base::TimeDelta::FromMilliseconds( | |
| 96 controller()->GetDelayAfterDocumentAvailableForTest())); | |
| 97 EXPECT_EQ(1, snapshot_count()); | |
| 98 } | |
| 99 | |
| 100 TEST_F(SnapshotControllerTest, OnLoadSnapshotIsTheLastOne) { | |
| 101 // This test assumes DocumentAvailable delay is longer than OnLoadCompleted. | |
| 102 EXPECT_GT(controller()->GetDelayAfterDocumentAvailableForTest(), | |
| 103 controller()->GetDelayAfterDocumentOnLoadCompletedForTest()); | |
| 104 // OnDOM should make snapshot after a delay. | |
| 105 controller()->DocumentAvailableInMainFrame(); | |
| 106 PumpLoop(); | |
| 107 EXPECT_EQ(0, snapshot_count()); | |
| 108 controller()->DocumentOnLoadCompletedInMainFrame(); | |
| 109 // Advance time to OnLoadCompleted delay to trigger snapshot. | |
| 110 FastForwardBy(base::TimeDelta::FromMilliseconds( | |
| 111 controller()->GetDelayAfterDocumentOnLoadCompletedForTest())); | |
| 112 EXPECT_EQ(1, snapshot_count()); | |
| 113 // Report that snapshot is completed. | |
| 114 controller()->PendingSnapshotCompleted(); | |
| 115 // Even though previous snapshot is completed, new one should not start | |
| 116 // when this DocumentAvailable delay expires. | |
| 117 FastForwardBy(base::TimeDelta::FromMilliseconds( | |
| 118 controller()->GetDelayAfterDocumentAvailableForTest())); | |
| 119 EXPECT_EQ(1, snapshot_count()); | |
| 120 } | |
| 121 | |
| 122 TEST_F(SnapshotControllerTest, OnLoadSnapshotAfterLongDelay) { | |
| 123 // OnDOM should make snapshot after a delay. | |
| 124 controller()->DocumentAvailableInMainFrame(); | |
| 125 PumpLoop(); | |
| 126 EXPECT_EQ(0, snapshot_count()); | |
| 127 FastForwardBy(base::TimeDelta::FromMilliseconds( | |
| 128 controller()->GetDelayAfterDocumentAvailableForTest())); | |
| 129 EXPECT_EQ(1, snapshot_count()); | |
| 130 // Report that snapshot is completed. | |
| 131 controller()->PendingSnapshotCompleted(); | |
| 132 // OnLoad should make 2nd snapshot after its delay. | |
| 133 controller()->DocumentOnLoadCompletedInMainFrame(); | |
| 134 FastForwardBy(base::TimeDelta::FromMilliseconds( | |
| 135 controller()->GetDelayAfterDocumentOnLoadCompletedForTest())); | |
| 136 EXPECT_EQ(2, snapshot_count()); | |
| 137 } | |
| 138 | |
| 139 TEST_F(SnapshotControllerTest, Stop) { | |
| 140 // OnDOM should make snapshot after a delay. | |
| 141 controller()->DocumentAvailableInMainFrame(); | |
| 142 PumpLoop(); | |
| 143 EXPECT_EQ(0, snapshot_count()); | |
| 144 controller()->Stop(); | |
| 145 FastForwardBy(base::TimeDelta::FromMilliseconds( | |
| 146 controller()->GetDelayAfterDocumentAvailableForTest())); | |
| 147 // Should not start snapshots | |
| 148 EXPECT_EQ(0, snapshot_count()); | |
| 149 // Also should not start snapshot. | |
| 150 controller()->DocumentOnLoadCompletedInMainFrame(); | |
| 151 EXPECT_EQ(0, snapshot_count()); | |
| 152 } | |
| 153 | |
| 154 TEST_F(SnapshotControllerTest, ClientReset) { | |
| 155 controller()->DocumentAvailableInMainFrame(); | |
| 156 | |
| 157 controller()->Reset(); | |
| 158 FastForwardBy(base::TimeDelta::FromMilliseconds( | |
| 159 controller()->GetDelayAfterDocumentAvailableForTest())); | |
| 160 // No snapshot since session was reset. | |
| 161 EXPECT_EQ(0, snapshot_count()); | |
| 162 controller()->DocumentOnLoadCompletedInMainFrame(); | |
| 163 FastForwardBy(base::TimeDelta::FromMilliseconds( | |
| 164 controller()->GetDelayAfterDocumentOnLoadCompletedForTest())); | |
| 165 EXPECT_EQ(1, snapshot_count()); | |
| 166 | |
| 167 controller()->Reset(); | |
| 168 controller()->DocumentAvailableInMainFrame(); | |
| 169 FastForwardBy(base::TimeDelta::FromMilliseconds( | |
| 170 controller()->GetDelayAfterDocumentAvailableForTest())); | |
| 171 // No snapshot since session was reset. | |
| 172 EXPECT_EQ(2, snapshot_count()); | |
| 173 } | |
| 174 | |
| 175 // This simulated a Reset while there is ongoing snapshot, which is reported | |
| 176 // as done later. That reporting should have no effect nor crash. | |
| 177 TEST_F(SnapshotControllerTest, ClientResetWhileSnapshotting) { | |
| 178 controller()->DocumentOnLoadCompletedInMainFrame(); | |
| 179 FastForwardBy(base::TimeDelta::FromMilliseconds( | |
| 180 controller()->GetDelayAfterDocumentOnLoadCompletedForTest())); | |
| 181 EXPECT_EQ(1, snapshot_count()); | |
| 182 // This normally happens when navigation starts. | |
| 183 controller()->Reset(); | |
| 184 controller()->PendingSnapshotCompleted(); | |
| 185 // Next snapshot should be initiated when new document is loaded. | |
| 186 controller()->DocumentAvailableInMainFrame(); | |
| 187 FastForwardBy(base::TimeDelta::FromMilliseconds( | |
| 188 controller()->GetDelayAfterDocumentAvailableForTest())); | |
| 189 // No snapshot since session was reset. | |
| 190 EXPECT_EQ(2, snapshot_count()); | |
| 191 } | |
| 192 | |
| 193 } // namespace offline_pages | |
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Chromium Code Reviews
Issue 2489443002:
Move all components/offline_pages/ files into component/offline_pages/core (Closed)
