src/chrome/browser/chromeos/input_method/input_method_persistence_unittest.cc

   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
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chromeos/input_method/input_method_persistence.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/prefs/pref_service.h"
   9 #include "chrome/browser/chromeos/input_method/mock_input_method_manager.h"
  10 #include "chrome/browser/chromeos/language_preferences.h"
  11 #include "chrome/browser/chromeos/login/users/fake_user_manager.h"
  12 #include "chrome/browser/chromeos/login/users/scoped_user_manager_enabler.h"
  13 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  14 #include "chrome/browser/profiles/profile_manager.h"
  15 #include "chrome/common/chrome_constants.h"
  16 #include "chrome/common/chrome_switches.h"
  17 #include "chrome/common/pref_names.h"
  18 #include "chrome/test/base/testing_browser_process.h"
  19 #include "chrome/test/base/testing_pref_service_syncable.h"
  20 #include "chrome/test/base/testing_profile.h"
  21 #include "chrome/test/base/testing_profile_manager.h"
  22 #include "chromeos/chromeos_switches.h"
  23
  24 #include "testing/gtest/include/gtest/gtest.h"
  25
  26 namespace chromeos {
  27 namespace input_method {
  28
  29 namespace {
  30 const char kInputId1[] = "xkb:us:dvorak:eng";
  31 const char kInputId2[] = "xkb:us:colemak:eng";
  32 }
  33
  34 class InputMethodPersistenceTest : public testing::Test {
  35  protected:
  36   InputMethodPersistenceTest()
  37       : mock_profile_manager_(TestingBrowserProcess::GetGlobal()),
  38         fake_user_manager_(new chromeos::FakeUserManager()),
  39         user_manager_enabler_(fake_user_manager_) {}
  40
  41   virtual void SetUp() OVERRIDE {
  42     ASSERT_TRUE(mock_profile_manager_.SetUp());
  43
  44     // Add a user.
  45     const char kTestUserName[] = "test-user@example.com";
  46     fake_user_manager_->AddUser(kTestUserName);
  47     fake_user_manager_->LoginUser(kTestUserName);
  48
  49     // Create a valid profile for the user.
  50     TestingProfile* mock_profile =
  51         mock_profile_manager_.CreateTestingProfile(kTestUserName);
  52     mock_profile_manager_.SetLoggedIn(true);
  53     EXPECT_TRUE(ProfileManager::GetActiveUserProfile() == mock_profile);
  54
  55     mock_user_prefs_ = mock_profile->GetTestingPrefService();
  56   }
  57
  58   // Verifies that the user and system prefs contain the expected values.
  59   void VerifyPrefs(const std::string& current_input_method,
  60                    const std::string& previous_input_method,
  61                    const std::string& preferred_keyboard_layout) {
  62     EXPECT_EQ(current_input_method,
  63               mock_user_prefs_->GetString(prefs::kLanguageCurrentInputMethod));
  64     EXPECT_EQ(previous_input_method,
  65               mock_user_prefs_->GetString(prefs::kLanguagePreviousInputMethod));
  66     EXPECT_EQ(preferred_keyboard_layout,
  67               g_browser_process->local_state()->GetString(
  68                   language_prefs::kPreferredKeyboardLayout));
  69   }
  70
  71   TestingPrefServiceSyncable* mock_user_prefs_;
  72   MockInputMethodManager mock_manager_;
  73   TestingProfileManager mock_profile_manager_;
  74   chromeos::FakeUserManager* fake_user_manager_;
  75   chromeos::ScopedUserManagerEnabler user_manager_enabler_;
  76 };
  77
  78 TEST_F(InputMethodPersistenceTest, TestLifetime) {
  79   {
  80     InputMethodPersistence persistence(&mock_manager_);
  81     EXPECT_EQ(1, mock_manager_.add_observer_count_);
  82   }
  83   EXPECT_EQ(1, mock_manager_.remove_observer_count_);
  84 }
  85
  86 TEST_F(InputMethodPersistenceTest, TestPrefPersistenceByState) {
  87   InputMethodPersistence persistence(&mock_manager_);
  88
  89   persistence.OnSessionStateChange(InputMethodManager::STATE_LOGIN_SCREEN);
  90   mock_manager_.SetCurrentInputMethodId(kInputId1);
  91   persistence.InputMethodChanged(&mock_manager_, false);
  92   VerifyPrefs("", "", kInputId1);
  93
  94   persistence.OnSessionStateChange(InputMethodManager::STATE_BROWSER_SCREEN);
  95   mock_manager_.SetCurrentInputMethodId(kInputId2);
  96   persistence.InputMethodChanged(&mock_manager_, false);
  97   VerifyPrefs(kInputId2, "", kInputId1);
  98
  99   persistence.OnSessionStateChange(InputMethodManager::STATE_LOCK_SCREEN);
 100   mock_manager_.SetCurrentInputMethodId(kInputId1);
 101   persistence.InputMethodChanged(&mock_manager_, false);
 102   VerifyPrefs(kInputId2, "", kInputId1);
 103
 104   persistence.OnSessionStateChange(InputMethodManager::STATE_TERMINATING);
 105   mock_manager_.SetCurrentInputMethodId(kInputId1);
 106   persistence.InputMethodChanged(&mock_manager_, false);
 107   VerifyPrefs(kInputId2, "", kInputId1);
 108
 109   persistence.OnSessionStateChange(InputMethodManager::STATE_LOGIN_SCREEN);
 110   mock_manager_.SetCurrentInputMethodId(kInputId2);
 111   persistence.InputMethodChanged(&mock_manager_, false);
 112   VerifyPrefs(kInputId2, "", kInputId2);
 113
 114   persistence.OnSessionStateChange(InputMethodManager::STATE_BROWSER_SCREEN);
 115   mock_manager_.SetCurrentInputMethodId(kInputId1);
 116   persistence.InputMethodChanged(&mock_manager_, false);
 117   VerifyPrefs(kInputId1, kInputId2, kInputId2);
 118 }
 119
 120 }  // namespace input_method
 121 }  // namespace chromeos