Add LoginState class to src/chromeos/login

chromeos/login/login_state_unittest.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chromeos/login/login_state.h"
+
+#include "base/command_line.h"
+#include "base/compiler_specific.h"
+#include "base/message_loop.h"
+#include "chromeos/chromeos_switches.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace chromeos {
+
+class LoginStateTest : public testing::Test,
+                       public LoginState::Observer {
+ public:
+  LoginStateTest()
+      : logged_in_state_(LoginState::LOGGED_IN_OOBE),
+        logged_in_user_type_(LoginState::LOGGED_IN_USER_NONE) {
+  }
+  virtual ~LoginStateTest() {
+  }
+
+  // testing::Test
+  virtual void SetUp() OVERRIDE {
+    CommandLine::ForCurrentProcess()->AppendSwitch(switches::kLoginManager);
+    // Initialize DBusThreadManager with a stub implementation.
+    DBusThreadManager::InitializeWithStub();
+    LoginState::Initialize();
+    LoginState::Get()->AddObserver(this);
+  }
+
+  virtual void TearDown() OVERRIDE {
+    LoginState::Get()->RemoveObserver(this);
+    LoginState::Shutdown();
+    DBusThreadManager::Shutdown();
+  }
+
+  // LoginState::Observer
+  virtual void LoggedInStateChanged(LoginState::LoggedInState state) OVERRIDE {
+    logged_in_state_ = state;
+    logged_in_user_type_ = LoginState::Get()->GetLoggedInUserType();
+  }
+
+ protected:
+  MessageLoopForUI message_loop_;
+  LoginState::LoggedInState logged_in_state_;
+  LoginState::LoggedInUserType logged_in_user_type_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(LoginStateTest);
+};
+
+TEST_F(LoginStateTest, TestLoginState) {
+  EXPECT_EQ(LoginState::LOGGED_IN_OOBE, logged_in_state_);
+  EXPECT_EQ(LoginState::LOGGED_IN_OOBE, LoginState::Get()->GetLoggedInState());
+  EXPECT_EQ(LoginState::LOGGED_IN_USER_NONE, logged_in_user_type_);
+  EXPECT_EQ(LoginState::LOGGED_IN_USER_NONE,
+            LoginState::Get()->GetLoggedInUserType());
+  // Setting login state to ACTIVE.
+  LoginState::Get()->SetLoggedInState(LoginState::LOGGED_IN_ACTIVE,
+                                      LoginState::LOGGED_IN_USER_REGULAR);
+  EXPECT_EQ(LoginState::LOGGED_IN_ACTIVE,
+            LoginState::Get()->GetLoggedInState());
+  EXPECT_EQ(LoginState::LOGGED_IN_USER_REGULAR,
+            LoginState::Get()->GetLoggedInUserType());
+  EXPECT_TRUE(LoginState::Get()->IsUserLoggedIn());
+  // Run the message loop, observer should update members.
+  message_loop_.RunUntilIdle();
+  EXPECT_EQ(LoginState::LOGGED_IN_ACTIVE, logged_in_state_);
+  EXPECT_EQ(LoginState::LOGGED_IN_USER_REGULAR, logged_in_user_type_);
+}
+
+}  // namespace