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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be | 
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. | 
| 4 | 4 | 
| 5 #include "base/files/important_file_writer.h" | 5 #include "base/files/important_file_writer.h" | 
| 6 | 6 | 
| 7 #include "base/bind.h" | 7 #include "base/bind.h" | 
| 8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" | 
| 9 #include "base/files/file_path.h" | 9 #include "base/files/file_path.h" | 
| 10 #include "base/files/file_util.h" | 10 #include "base/files/file_util.h" | 
| 11 #include "base/files/scoped_temp_dir.h" | 11 #include "base/files/scoped_temp_dir.h" | 
| 12 #include "base/location.h" | 12 #include "base/location.h" | 
| 13 #include "base/logging.h" | 13 #include "base/logging.h" | 
| 14 #include "base/macros.h" | 14 #include "base/macros.h" | 
|  | 15 #include "base/memory/ptr_util.h" | 
| 15 #include "base/run_loop.h" | 16 #include "base/run_loop.h" | 
| 16 #include "base/single_thread_task_runner.h" | 17 #include "base/single_thread_task_runner.h" | 
| 17 #include "base/thread_task_runner_handle.h" | 18 #include "base/thread_task_runner_handle.h" | 
| 18 #include "base/threading/thread.h" | 19 #include "base/threading/thread.h" | 
| 19 #include "base/time/time.h" | 20 #include "base/time/time.h" | 
| 20 #include "testing/gtest/include/gtest/gtest.h" | 21 #include "testing/gtest/include/gtest/gtest.h" | 
| 21 | 22 | 
| 22 namespace base { | 23 namespace base { | 
| 23 | 24 | 
| 24 namespace { | 25 namespace { | 
| (...skipping 71 matching lines...) Expand 10 before | Expand all | Expand 10 after  Loading... | 
| 96   MessageLoop loop_; | 97   MessageLoop loop_; | 
| 97 | 98 | 
| 98  private: | 99  private: | 
| 99   ScopedTempDir temp_dir_; | 100   ScopedTempDir temp_dir_; | 
| 100 }; | 101 }; | 
| 101 | 102 | 
| 102 TEST_F(ImportantFileWriterTest, Basic) { | 103 TEST_F(ImportantFileWriterTest, Basic) { | 
| 103   ImportantFileWriter writer(file_, ThreadTaskRunnerHandle::Get()); | 104   ImportantFileWriter writer(file_, ThreadTaskRunnerHandle::Get()); | 
| 104   EXPECT_FALSE(PathExists(writer.path())); | 105   EXPECT_FALSE(PathExists(writer.path())); | 
| 105   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState()); | 106   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState()); | 
| 106   writer.WriteNow(make_scoped_ptr(new std::string("foo"))); | 107   writer.WriteNow(WrapUnique(new std::string("foo"))); | 
| 107   RunLoop().RunUntilIdle(); | 108   RunLoop().RunUntilIdle(); | 
| 108 | 109 | 
| 109   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState()); | 110   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState()); | 
| 110   ASSERT_TRUE(PathExists(writer.path())); | 111   ASSERT_TRUE(PathExists(writer.path())); | 
| 111   EXPECT_EQ("foo", GetFileContent(writer.path())); | 112   EXPECT_EQ("foo", GetFileContent(writer.path())); | 
| 112 } | 113 } | 
| 113 | 114 | 
| 114 TEST_F(ImportantFileWriterTest, BasicWithSuccessfulWriteObserver) { | 115 TEST_F(ImportantFileWriterTest, BasicWithSuccessfulWriteObserver) { | 
| 115   ImportantFileWriter writer(file_, ThreadTaskRunnerHandle::Get()); | 116   ImportantFileWriter writer(file_, ThreadTaskRunnerHandle::Get()); | 
| 116   EXPECT_FALSE(PathExists(writer.path())); | 117   EXPECT_FALSE(PathExists(writer.path())); | 
| 117   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState()); | 118   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState()); | 
| 118   successful_write_observer_.ObserveNextSuccessfulWrite(&writer); | 119   successful_write_observer_.ObserveNextSuccessfulWrite(&writer); | 
| 119   writer.WriteNow(make_scoped_ptr(new std::string("foo"))); | 120   writer.WriteNow(WrapUnique(new std::string("foo"))); | 
| 120   RunLoop().RunUntilIdle(); | 121   RunLoop().RunUntilIdle(); | 
| 121 | 122 | 
| 122   // Confirm that the observer is invoked. | 123   // Confirm that the observer is invoked. | 
| 123   EXPECT_TRUE(successful_write_observer_.GetAndResetObservationState()); | 124   EXPECT_TRUE(successful_write_observer_.GetAndResetObservationState()); | 
| 124   ASSERT_TRUE(PathExists(writer.path())); | 125   ASSERT_TRUE(PathExists(writer.path())); | 
| 125   EXPECT_EQ("foo", GetFileContent(writer.path())); | 126   EXPECT_EQ("foo", GetFileContent(writer.path())); | 
| 126 | 127 | 
| 127   // Confirm that re-installing the observer works for another write. | 128   // Confirm that re-installing the observer works for another write. | 
| 128   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState()); | 129   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState()); | 
| 129   successful_write_observer_.ObserveNextSuccessfulWrite(&writer); | 130   successful_write_observer_.ObserveNextSuccessfulWrite(&writer); | 
| 130   writer.WriteNow(make_scoped_ptr(new std::string("bar"))); | 131   writer.WriteNow(WrapUnique(new std::string("bar"))); | 
| 131   RunLoop().RunUntilIdle(); | 132   RunLoop().RunUntilIdle(); | 
| 132 | 133 | 
| 133   EXPECT_TRUE(successful_write_observer_.GetAndResetObservationState()); | 134   EXPECT_TRUE(successful_write_observer_.GetAndResetObservationState()); | 
| 134   ASSERT_TRUE(PathExists(writer.path())); | 135   ASSERT_TRUE(PathExists(writer.path())); | 
| 135   EXPECT_EQ("bar", GetFileContent(writer.path())); | 136   EXPECT_EQ("bar", GetFileContent(writer.path())); | 
| 136 | 137 | 
| 137   // Confirm that writing again without re-installing the observer doesn't | 138   // Confirm that writing again without re-installing the observer doesn't | 
| 138   // result in a notification. | 139   // result in a notification. | 
| 139   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState()); | 140   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState()); | 
| 140   writer.WriteNow(make_scoped_ptr(new std::string("baz"))); | 141   writer.WriteNow(WrapUnique(new std::string("baz"))); | 
| 141   RunLoop().RunUntilIdle(); | 142   RunLoop().RunUntilIdle(); | 
| 142 | 143 | 
| 143   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState()); | 144   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState()); | 
| 144   ASSERT_TRUE(PathExists(writer.path())); | 145   ASSERT_TRUE(PathExists(writer.path())); | 
| 145   EXPECT_EQ("baz", GetFileContent(writer.path())); | 146   EXPECT_EQ("baz", GetFileContent(writer.path())); | 
| 146 } | 147 } | 
| 147 | 148 | 
| 148 TEST_F(ImportantFileWriterTest, ScheduleWrite) { | 149 TEST_F(ImportantFileWriterTest, ScheduleWrite) { | 
| 149   ImportantFileWriter writer(file_, | 150   ImportantFileWriter writer(file_, | 
| 150                              ThreadTaskRunnerHandle::Get(), | 151                              ThreadTaskRunnerHandle::Get(), | 
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| 188   writer.ScheduleWrite(&baz); | 189   writer.ScheduleWrite(&baz); | 
| 189   ThreadTaskRunnerHandle::Get()->PostDelayedTask( | 190   ThreadTaskRunnerHandle::Get()->PostDelayedTask( | 
| 190       FROM_HERE, MessageLoop::QuitWhenIdleClosure(), | 191       FROM_HERE, MessageLoop::QuitWhenIdleClosure(), | 
| 191       TimeDelta::FromMilliseconds(100)); | 192       TimeDelta::FromMilliseconds(100)); | 
| 192   MessageLoop::current()->Run(); | 193   MessageLoop::current()->Run(); | 
| 193   ASSERT_TRUE(PathExists(writer.path())); | 194   ASSERT_TRUE(PathExists(writer.path())); | 
| 194   EXPECT_EQ("baz", GetFileContent(writer.path())); | 195   EXPECT_EQ("baz", GetFileContent(writer.path())); | 
| 195 } | 196 } | 
| 196 | 197 | 
| 197 }  // namespace base | 198 }  // namespace base | 
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