Stop using legacy GrContext member function aliases.
[chromium-blink-merge.git] / remoting / host / config_file_watcher_unittest.cc
blob8a3b95fc08e2478e7c86816855002a4dc31bd561
1 // Copyright (c) 2013 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.
5 #include "remoting/host/config_file_watcher.h"
7 #include "base/files/file_path.h"
8 #include "base/files/file_util.h"
9 #include "base/message_loop/message_loop.h"
10 #include "base/run_loop.h"
11 #include "remoting/base/auto_thread.h"
12 #include "remoting/base/auto_thread_task_runner.h"
13 #include "testing/gmock/include/gmock/gmock.h"
14 #include "testing/gmock_mutant.h"
15 #include "testing/gtest/include/gtest/gtest.h"
17 using testing::_;
18 using testing::AnyNumber;
19 using testing::Return;
21 namespace remoting {
23 namespace {
25 class ConfigFileWatcherDelegate : public ConfigFileWatcher::Delegate {
26 public:
27 ConfigFileWatcherDelegate() {}
28 virtual ~ConfigFileWatcherDelegate() {}
30 MOCK_METHOD1(OnConfigUpdated, void(const std::string&));
31 MOCK_METHOD0(OnConfigWatcherError, void());
33 private:
34 DISALLOW_COPY_AND_ASSIGN(ConfigFileWatcherDelegate);
37 } // namespace
39 class ConfigFileWatcherTest : public testing::Test {
40 public:
41 ConfigFileWatcherTest();
42 virtual ~ConfigFileWatcherTest();
44 // testing::Test overrides
45 virtual void SetUp() override;
46 virtual void TearDown() override;
48 // Stops the config file watcher.
49 void StopWatcher();
51 protected:
52 base::MessageLoopForUI message_loop_;
53 base::RunLoop run_loop_;
55 ConfigFileWatcherDelegate delegate_;
57 // Path to the configuration file used.
58 base::FilePath config_file_;
60 // The configuration file watcher that is being tested.
61 scoped_ptr<ConfigFileWatcher> watcher_;
64 ConfigFileWatcherTest::ConfigFileWatcherTest() {
67 ConfigFileWatcherTest::~ConfigFileWatcherTest() {
70 void ConfigFileWatcherTest::StopWatcher() {
71 watcher_.reset();
74 void ConfigFileWatcherTest::SetUp() {
75 EXPECT_TRUE(base::CreateTemporaryFile(&config_file_));
77 // Arrange to run |message_loop_| until no components depend on it.
78 scoped_refptr<AutoThreadTaskRunner> task_runner = new AutoThreadTaskRunner(
79 message_loop_.message_loop_proxy(), run_loop_.QuitClosure());
81 scoped_refptr<AutoThreadTaskRunner> io_task_runner =
82 AutoThread::CreateWithType(
83 "IPC thread", task_runner, base::MessageLoop::TYPE_IO);
85 // Create an instance of the config watcher.
86 watcher_.reset(
87 new ConfigFileWatcher(task_runner, io_task_runner, config_file_));
90 void ConfigFileWatcherTest::TearDown() {
91 // Delete the test file.
92 if (!config_file_.empty())
93 base::DeleteFile(config_file_, false);
96 // Verifies that the initial notification is delivered.
97 TEST_F(ConfigFileWatcherTest, Basic) {
98 std::string data("test");
99 EXPECT_NE(base::WriteFile(config_file_, data.c_str(),
100 static_cast<int>(data.size())), -1);
102 EXPECT_CALL(delegate_, OnConfigUpdated(_))
103 .Times(1)
104 .WillOnce(InvokeWithoutArgs(this, &ConfigFileWatcherTest::StopWatcher));
105 EXPECT_CALL(delegate_, OnConfigWatcherError())
106 .Times(0);
108 watcher_->Watch(&delegate_);
109 run_loop_.Run();
112 MATCHER_P(EqualsString, s, "") {
113 return arg == s;
116 // Verifies that an update notification is sent when the file is changed.
117 TEST_F(ConfigFileWatcherTest, Update) {
118 EXPECT_CALL(delegate_, OnConfigUpdated(EqualsString("test")))
119 .Times(1)
120 .WillOnce(InvokeWithoutArgs(this, &ConfigFileWatcherTest::StopWatcher));
121 EXPECT_CALL(delegate_, OnConfigWatcherError())
122 .Times(0);
124 watcher_->Watch(&delegate_);
126 // Modify the watched file.
127 std::string data("test");
128 EXPECT_NE(base::WriteFile(config_file_, data.c_str(),
129 static_cast<int>(data.size())), -1);
131 run_loop_.Run();
134 } // namespace remoting