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/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 profile that will be returned by
  38     // ProfileManager::GetDefaultProfile().
  39     ASSERT_TRUE(mock_profile_manager_.SetUp());
  40     TestingProfile* mock_profile =
  41         mock_profile_manager_.CreateTestingProfile(chrome::kTestUserProfileDir);
  42     CommandLine *cl = CommandLine::ForCurrentProcess();
  43     cl->AppendSwitchASCII(switches::kLoginProfile, chrome::kTestUserProfileDir);
  44     mock_profile_manager_.SetLoggedIn(true);
  45     ProfileManager::AllowGetDefaultProfile();
  46     EXPECT_TRUE(ProfileManager::GetDefaultProfile() != NULL);
  47     mock_user_prefs_ = mock_profile->GetTestingPrefService();
  48   }
  49
  50   // Verifies that the user and system prefs contain the expected values.
  51   void VerifyPrefs(const std::string& current_input_method,
  52                    const std::string& previous_input_method,
  53                    const std::string& preferred_keyboard_layout) {
  54     EXPECT_EQ(current_input_method,
  55               mock_user_prefs_->GetString(prefs::kLanguageCurrentInputMethod));
  56     EXPECT_EQ(previous_input_method,
  57               mock_user_prefs_->GetString(prefs::kLanguagePreviousInputMethod));
  58     EXPECT_EQ(preferred_keyboard_layout,
  59               g_browser_process->local_state()->GetString(
  60                   language_prefs::kPreferredKeyboardLayout));
  61   }
  62
  63   TestingPrefServiceSyncable* mock_user_prefs_;
  64   MockInputMethodManager mock_manager_;
  65   TestingProfileManager mock_profile_manager_;
  66 };
  67
  68 TEST_F(InputMethodPersistenceTest, TestLifetime) {
  69   {
  70     InputMethodPersistence persistence(&mock_manager_);
  71     EXPECT_EQ(1, mock_manager_.add_observer_count_);
  72   }
  73   EXPECT_EQ(1, mock_manager_.remove_observer_count_);
  74 }
  75
  76 TEST_F(InputMethodPersistenceTest, TestPrefPersistenceByState) {
  77   InputMethodPersistence persistence(&mock_manager_);
  78
  79   persistence.OnSessionStateChange(InputMethodManager::STATE_LOGIN_SCREEN);
  80   mock_manager_.SetCurrentInputMethodId(kInputId1);
  81   persistence.InputMethodChanged(&mock_manager_, false);
  82   VerifyPrefs("", "", kInputId1);
  83
  84   persistence.OnSessionStateChange(InputMethodManager::STATE_BROWSER_SCREEN);
  85   mock_manager_.SetCurrentInputMethodId(kInputId2);
  86   persistence.InputMethodChanged(&mock_manager_, false);
  87   VerifyPrefs(kInputId2, "", kInputId1);
  88
  89   persistence.OnSessionStateChange(InputMethodManager::STATE_LOCK_SCREEN);
  90   mock_manager_.SetCurrentInputMethodId(kInputId1);
  91   persistence.InputMethodChanged(&mock_manager_, false);
  92   VerifyPrefs(kInputId2, "", kInputId1);
  93
  94   persistence.OnSessionStateChange(InputMethodManager::STATE_TERMINATING);
  95   mock_manager_.SetCurrentInputMethodId(kInputId1);
  96   persistence.InputMethodChanged(&mock_manager_, false);
  97   VerifyPrefs(kInputId2, "", kInputId1);
  98
  99   persistence.OnSessionStateChange(InputMethodManager::STATE_LOGIN_SCREEN);
 100   mock_manager_.SetCurrentInputMethodId(kInputId2);
 101   persistence.InputMethodChanged(&mock_manager_, false);
 102   VerifyPrefs(kInputId2, "", kInputId2);
 103
 104   persistence.OnSessionStateChange(InputMethodManager::STATE_BROWSER_SCREEN);
 105   mock_manager_.SetCurrentInputMethodId(kInputId1);
 106   persistence.InputMethodChanged(&mock_manager_, false);
 107   VerifyPrefs(kInputId1, kInputId2, kInputId2);
 108 }
 109
 110 }  // namespace input_method
 111 }  // namespace chromeos