Home | History | Annotate | Download | only in chromeos 
      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/preferences.h"
      6 
      7 #include "base/prefs/pref_member.h"
      8 #include "chrome/browser/chromeos/input_method/mock_input_method_manager.h"
      9 #include "chrome/browser/chromeos/login/users/fake_user_manager.h"
     10 #include "chrome/browser/chromeos/login/users/scoped_user_manager_enabler.h"
     11 #include "chrome/browser/download/download_prefs.h"
     12 #include "chrome/common/pref_names.h"
     13 #include "chrome/test/base/testing_pref_service_syncable.h"
     14 #include "components/pref_registry/pref_registry_syncable.h"
     15 #include "testing/gtest/include/gtest/gtest.h"
     16 
     17 namespace chromeos {
     18 namespace {
     19 
     20 class MyMockInputMethodManager : public input_method::MockInputMethodManager {
     21  public:
     22   class State : public MockInputMethodManager::State {
     23    public:
     24     explicit State(MyMockInputMethodManager* manager)
     25         : MockInputMethodManager::State(manager), manager_(manager) {};
     26 
     27     virtual void ChangeInputMethod(const std::string& input_method_id,
     28                                    bool show_message) OVERRIDE {
     29       manager_->last_input_method_id_ = input_method_id;
     30       // Do the same thing as BrowserStateMonitor::UpdateUserPreferences.
     31       const std::string current_input_method_on_pref =
     32           manager_->current_->GetValue();
     33       if (current_input_method_on_pref == input_method_id)
     34         return;
     35       manager_->previous_->SetValue(current_input_method_on_pref);
     36       manager_->current_->SetValue(input_method_id);
     37     }
     38 
     39    protected:
     40     virtual ~State() {};
     41 
     42    private:
     43     MyMockInputMethodManager* const manager_;
     44   };
     45 
     46   MyMockInputMethodManager(StringPrefMember* previous,
     47                            StringPrefMember* current)
     48       : previous_(previous),
     49         current_(current) {
     50     state_ = new State(this);
     51   }
     52 
     53   virtual ~MyMockInputMethodManager() {}
     54 
     55   std::string last_input_method_id_;
     56 
     57  private:
     58   StringPrefMember* previous_;
     59   StringPrefMember* current_;
     60 };
     61 
     62 }  // anonymous namespace
     63 
     64 TEST(PreferencesTest, TestUpdatePrefOnBrowserScreenDetails) {
     65   chromeos::FakeUserManager* user_manager = new chromeos::FakeUserManager();
     66   chromeos::ScopedUserManagerEnabler user_manager_enabler(user_manager);
     67   const char test_user_email[] = "test_user (at) example.com";
     68   const user_manager::User* test_user = user_manager->AddUser(test_user_email);
     69   user_manager->LoginUser(test_user_email);
     70 
     71   TestingPrefServiceSyncable prefs;
     72   Preferences::RegisterProfilePrefs(prefs.registry());
     73   DownloadPrefs::RegisterProfilePrefs(prefs.registry());
     74   // kSelectFileLastDirectory is registered for Profile. Here we register it for
     75   // testing.
     76   prefs.registry()->RegisterStringPref(
     77       prefs::kSelectFileLastDirectory,
     78       std::string(),
     79       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
     80 
     81   StringPrefMember previous;
     82   previous.Init(prefs::kLanguagePreviousInputMethod, &prefs);
     83   previous.SetValue("KeyboardA");
     84   StringPrefMember current;
     85   current.Init(prefs::kLanguageCurrentInputMethod, &prefs);
     86   current.SetValue("KeyboardB");
     87 
     88   MyMockInputMethodManager mock_manager(&previous, &current);
     89   Preferences testee(&mock_manager);
     90   testee.InitUserPrefsForTesting(
     91       &prefs, test_user, mock_manager.GetActiveIMEState());
     92   testee.SetInputMethodListForTesting();
     93 
     94   // Confirm they're unchanged.
     95   EXPECT_EQ("KeyboardA", previous.GetValue());
     96   EXPECT_EQ("KeyboardB", current.GetValue());
     97   EXPECT_EQ("KeyboardB", mock_manager.last_input_method_id_);
     98 }
     99 
    100 }  // namespace chromeos
    101