Refactor OAuth2TokenService to have profile- and device-based implementations.

chrome/browser/chromeos/settings/device_oauth2_token_service_unittest.cc

+// Copyright 2013 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 "chrome/browser/chromeos/settings/device_oauth2_token_service.h"
+
+#include "base/message_loop.h"
+#include "base/prefs/testing_pref_service.h"
+#include "chrome/browser/chromeos/cros/cros_library.h"
+#include "chrome/browser/chromeos/cros/mock_cert_library.h"
+#include "chrome/test/base/scoped_testing_local_state.h"
+#include "chrome/test/base/testing_browser_process.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/test/test_browser_thread.h"
+#include "net/url_request/url_request_test_util.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using ::testing::_;
+using ::testing::AnyNumber;
+using ::testing::Return;
+using ::testing::StrEq;
+using ::testing::StrictMock;
+
+namespace chromeos {
+
+class DeviceOAuth2TokenServiceTest : public testing::Test {
+ public:
+  DeviceOAuth2TokenServiceTest()
+      : ui_thread_(content::BrowserThread::UI, &message_loop_),
+        scoped_testing_local_state_(TestingBrowserProcess::GetGlobal()) {}
+  virtual ~DeviceOAuth2TokenServiceTest() {}
+
+  virtual void SetUp() OVERRIDE {
+    chromeos::CrosLibrary::Initialize(true);
+  }
+
+  virtual void TearDown() OVERRIDE {
+    chromeos::CrosLibrary::Shutdown();
+  }
+
+ protected:
+  MessageLoop message_loop_;
+  content::TestBrowserThread ui_thread_;
+  ScopedTestingLocalState scoped_testing_local_state_;
+};
+
+TEST_F(DeviceOAuth2TokenServiceTest, SaveEncryptedToken) {
+  StrictMock<MockCertLibrary> mock_cert_library;
+  chromeos::CrosLibrary::Get()->GetTestApi()->SetCertLibrary(
+      &mock_cert_library, false);
+
+  EXPECT_CALL(mock_cert_library, DecryptWithSystemSalt(StrEq("")))
+      .Times(1)
+      .WillOnce(Return(""));
+  EXPECT_CALL(mock_cert_library, EncryptWithSystemSalt(StrEq("test-token")))
+      .Times(1)
+      .WillOnce(Return("encrypted"));
+  EXPECT_CALL(mock_cert_library, DecryptWithSystemSalt(StrEq("encrypted")))
+      .Times(1)
+      .WillOnce(Return("test-token"));
+
+  DeviceOAuth2TokenService oauth2_service(
+      new net::TestURLRequestContextGetter(
+          content::BrowserThread::GetMessageLoopProxyForThread(
+              content::BrowserThread::IO)),
+      scoped_testing_local_state_.Get());
+
+  ASSERT_EQ("", oauth2_service.GetRefreshToken());
+  oauth2_service.SetAndSaveRefreshToken("test-token");
+  ASSERT_EQ("test-token", oauth2_service.GetRefreshToken());
+
+  // This call won't invoke decrypt again, since the value is cached.
+  ASSERT_EQ("test-token", oauth2_service.GetRefreshToken());
+}
+
+}  // namespace chromeos