chromeos: Refactor D-Bus client type enum and stub vs. fake naming

chromeos/dbus/dbus_thread_manager_unittest.cc

+// Copyright 2016 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/dbus/dbus_thread_manager.h"
+
+#include "chromeos/dbus/dbus_client_types.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace chromeos {
+
+// Tests that clients can be created.
+TEST(DBusThreadManagerTest, Initialize) {
+  DBusThreadManager::Initialize();
+  EXPECT_TRUE(DBusThreadManager::IsInitialized());
+
+  DBusThreadManager* manager = DBusThreadManager::Get();
+  ASSERT_TRUE(manager);
+
+  // In tests, clients are fake.
+  EXPECT_TRUE(manager->IsUsingFake(DBusClientType::CRAS));
+  EXPECT_TRUE(manager->IsUsingFake(DBusClientType::CROS_DISKS));
+
+  // Clients were created.
+  EXPECT_TRUE(manager->GetCrasAudioClient());
+  EXPECT_TRUE(manager->GetCrosDisksClient());
+
+  DBusThreadManager::Shutdown();
+  EXPECT_FALSE(DBusThreadManager::IsInitialized());
+}
+
+}  // namespace chromeos