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/profiles/profile_manager.h"
  12 #include "chrome/common/chrome_constants.h"
  13 #include "chrome/common/chrome_switches.h"
  14 #include "chrome/common/pref_names.h"
  15 #include "chrome/test/base/testing_browser_process.h"
  16 #include "chrome/test/base/testing_pref_service_syncable.h"
  17 #include "chrome/test/base/testing_profile.h"
  18 #include "chrome/test/base/testing_profile_manager.h"
  19 #include "chromeos/chromeos_switches.h"
  20
  21 #include "testing/gtest/include/gtest/gtest.h"
  22
  23 namespace chromeos {
  24 namespace input_method {
  25
  26 namespace {
  27 const char kInputId1[] = "xkb:us:dvorak:eng";
  28 const char kInputId2[] = "xkb:us:colemak:eng";
  29 }
  30
  31 class InputMethodPersistenceTest : public testing::Test {
  32  protected:
  33   InputMethodPersistenceTest()
  34       : mock_profile_manager_(TestingBrowserProcess::GetGlobal()) {}
  35
  36   virtual void SetUp() OVERRIDE {
  37     // Set up a valid profile for our test.
  38     ASSERT_TRUE(mock_profile_manager_.SetUp());
  39     TestingProfile* mock_profile =
  40         mock_profile_manager_.CreateTestingProfile(chrome::kTestUserProfileDir);
  41     CommandLine *cl = CommandLine::ForCurrentProcess();
  42     cl->AppendSwitchASCII(switches::kLoginProfile, chrome::kTestUserProfileDir);
  43     mock_profile_manager_.SetLoggedIn(true);
  44     EXPECT_TRUE(ProfileManager::GetActiveUserProfile() != NULL);
  45     mock_user_prefs_ = mock_profile->GetTestingPrefService();
  46   }
  47
  48   // Verifies that the user and system prefs contain the expected values.
  49   void VerifyPrefs(const std::string& current_input_method,
  50                    const std::string& previous_input_method,
  51                    const std::string& preferred_keyboard_layout) {
  52     EXPECT_EQ(current_input_method,
  53               mock_user_prefs_->GetString(prefs::kLanguageCurrentInputMethod));
  54     EXPECT_EQ(previous_input_method,
  55               mock_user_prefs_->GetString(prefs::kLanguagePreviousInputMethod));
  56     EXPECT_EQ(preferred_keyboard_layout,
  57               g_browser_process->local_state()->GetString(
  58                   language_prefs::kPreferredKeyboardLayout));
  59   }
  60
  61   TestingPrefServiceSyncable* mock_user_prefs_;
  62   MockInputMethodManager mock_manager_;
  63   TestingProfileManager mock_profile_manager_;
  64 };
  65
  66 TEST_F(InputMethodPersistenceTest, TestLifetime) {
  67   {
  68     InputMethodPersistence persistence(&mock_manager_);
  69     EXPECT_EQ(1, mock_manager_.add_observer_count_);
  70   }
  71   EXPECT_EQ(1, mock_manager_.remove_observer_count_);
  72 }
  73
  74 TEST_F(InputMethodPersistenceTest, TestPrefPersistenceByState) {
  75   InputMethodPersistence persistence(&mock_manager_);
  76
  77   persistence.OnSessionStateChange(InputMethodManager::STATE_LOGIN_SCREEN);
  78   mock_manager_.SetCurrentInputMethodId(kInputId1);
  79   persistence.InputMethodChanged(&mock_manager_, false);
  80   VerifyPrefs("", "", kInputId1);
  81
  82   persistence.OnSessionStateChange(InputMethodManager::STATE_BROWSER_SCREEN);
  83   mock_manager_.SetCurrentInputMethodId(kInputId2);
  84   persistence.InputMethodChanged(&mock_manager_, false);
  85   VerifyPrefs(kInputId2, "", kInputId1);
  86
  87   persistence.OnSessionStateChange(InputMethodManager::STATE_LOCK_SCREEN);
  88   mock_manager_.SetCurrentInputMethodId(kInputId1);
  89   persistence.InputMethodChanged(&mock_manager_, false);
  90   VerifyPrefs(kInputId2, "", kInputId1);
  91
  92   persistence.OnSessionStateChange(InputMethodManager::STATE_TERMINATING);
  93   mock_manager_.SetCurrentInputMethodId(kInputId1);
  94   persistence.InputMethodChanged(&mock_manager_, false);
  95   VerifyPrefs(kInputId2, "", kInputId1);
  96
  97   persistence.OnSessionStateChange(InputMethodManager::STATE_LOGIN_SCREEN);
  98   mock_manager_.SetCurrentInputMethodId(kInputId2);
  99   persistence.InputMethodChanged(&mock_manager_, false);
 100   VerifyPrefs(kInputId2, "", kInputId2);
 101
 102   persistence.OnSessionStateChange(InputMethodManager::STATE_BROWSER_SCREEN);
 103   mock_manager_.SetCurrentInputMethodId(kInputId1);
 104   persistence.InputMethodChanged(&mock_manager_, false);
 105   VerifyPrefs(kInputId1, kInputId2, kInputId2);
 106 }
 107
 108 }  // namespace input_method
 109 }  // namespace chromeos