chrome/browser/chromeos/input_method/browser_state_monitor_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/browser_state_monitor.h"
   6
   7 #include <string>
   8
   9 #include "base/basictypes.h"
  10 #include "base/bind.h"
  11 #include "chrome/browser/chrome_notification_types.h"
  12 #include "content/public/browser/notification_details.h"
  13 #include "content/public/browser/notification_service.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15
  16 namespace chromeos {
  17 namespace input_method {
  18 namespace {
  19
  20 class MockObserver {
  21  public:
  22   MockObserver()
  23       : state_(InputMethodManager::STATE_TERMINATING),
  24         update_state_count_(0) { }
  25
  26   void SetState(InputMethodManager::State new_state) {
  27     ++update_state_count_;
  28     state_ = new_state;
  29   }
  30
  31   base::Callback<void(InputMethodManager::State new_state)> AsCallback() {
  32     return base::Bind(&MockObserver::SetState, base::Unretained(this));
  33   }
  34
  35   int update_state_count() const {
  36     return update_state_count_;
  37   }
  38
  39   InputMethodManager::State state() const {
  40     return state_;
  41   }
  42
  43  private:
  44   InputMethodManager::State state_;
  45   int update_state_count_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(MockObserver);
  48 };
  49
  50 }  // anonymous namespace
  51
  52 TEST(BrowserStateMonitorLifetimeTest, TestConstruction) {
  53   MockObserver mock_observer;
  54   BrowserStateMonitor monitor(mock_observer.AsCallback());
  55
  56   // Check the initial state of the |mock_observer| and |monitor| objects.
  57   EXPECT_EQ(1, mock_observer.update_state_count());
  58   EXPECT_EQ(InputMethodManager::STATE_LOGIN_SCREEN, mock_observer.state());
  59   EXPECT_EQ(InputMethodManager::STATE_LOGIN_SCREEN, monitor.state());
  60 }
  61
  62 namespace {
  63
  64 class BrowserStateMonitorTest :  public testing::Test {
  65  public:
  66   BrowserStateMonitorTest()
  67       : monitor_(mock_observer_.AsCallback()) {
  68   }
  69
  70  protected:
  71   MockObserver mock_observer_;
  72   BrowserStateMonitor monitor_;
  73
  74  private:
  75   DISALLOW_COPY_AND_ASSIGN(BrowserStateMonitorTest);
  76 };
  77
  78 }  // anonymous namespace
  79
  80 TEST_F(BrowserStateMonitorTest, TestObserveLoginUserChanged) {
  81   EXPECT_EQ(1, mock_observer_.update_state_count());
  82   monitor_.Observe(chrome::NOTIFICATION_LOGIN_USER_CHANGED,
  83                    content::NotificationService::AllSources(),
  84                    content::NotificationService::NoDetails());
  85
  86   // Check if the state of the |mock_observer_| as well as the |monitor| are
  87   // both changed.
  88   EXPECT_EQ(2, mock_observer_.update_state_count());
  89   EXPECT_EQ(InputMethodManager::STATE_BROWSER_SCREEN,
  90             mock_observer_.state());
  91   EXPECT_EQ(InputMethodManager::STATE_BROWSER_SCREEN, monitor_.state());
  92 }
  93
  94 TEST_F(BrowserStateMonitorTest, TestObserveSessionStarted) {
  95   EXPECT_EQ(1, mock_observer_.update_state_count());
  96   monitor_.Observe(chrome::NOTIFICATION_SESSION_STARTED,
  97                    content::NotificationService::AllSources(),
  98                    content::NotificationService::NoDetails());
  99
 100   // Check if the state of the |mock_observer_| as well as the |monitor| are
 101   // both changed.
 102   EXPECT_EQ(2, mock_observer_.update_state_count());
 103   EXPECT_EQ(InputMethodManager::STATE_BROWSER_SCREEN,
 104             mock_observer_.state());
 105   EXPECT_EQ(InputMethodManager::STATE_BROWSER_SCREEN, monitor_.state());
 106 }
 107
 108 TEST_F(BrowserStateMonitorTest, TestObserveLoginUserChangedThenSessionStarted) {
 109   EXPECT_EQ(1, mock_observer_.update_state_count());
 110   monitor_.Observe(chrome::NOTIFICATION_LOGIN_USER_CHANGED,
 111                    content::NotificationService::AllSources(),
 112                    content::NotificationService::NoDetails());
 113
 114   // Check if the state of the |mock_observer_| as well as the |monitor| are
 115   // both changed.
 116   EXPECT_EQ(2, mock_observer_.update_state_count());
 117   EXPECT_EQ(InputMethodManager::STATE_BROWSER_SCREEN,
 118             mock_observer_.state());
 119   EXPECT_EQ(InputMethodManager::STATE_BROWSER_SCREEN, monitor_.state());
 120
 121   monitor_.Observe(chrome::NOTIFICATION_SESSION_STARTED,
 122                    content::NotificationService::AllSources(),
 123                    content::NotificationService::NoDetails());
 124
 125   // The second notification should be nop.
 126   EXPECT_EQ(2, mock_observer_.update_state_count());
 127   EXPECT_EQ(InputMethodManager::STATE_BROWSER_SCREEN,
 128             mock_observer_.state());
 129   EXPECT_EQ(InputMethodManager::STATE_BROWSER_SCREEN, monitor_.state());
 130 }
 131
 132 TEST_F(BrowserStateMonitorTest, TestObserveScreenLockUnlock) {
 133   EXPECT_EQ(1, mock_observer_.update_state_count());
 134   monitor_.Observe(chrome::NOTIFICATION_LOGIN_USER_CHANGED,
 135                    content::NotificationService::AllSources(),
 136                    content::NotificationService::NoDetails());
 137   EXPECT_EQ(2, mock_observer_.update_state_count());
 138   monitor_.Observe(chrome::NOTIFICATION_SESSION_STARTED,
 139                    content::NotificationService::AllSources(),
 140                    content::NotificationService::NoDetails());
 141   EXPECT_EQ(2, mock_observer_.update_state_count());
 142   bool locked = true;
 143   monitor_.Observe(chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED,
 144                    content::NotificationService::AllSources(),
 145                    content::Details<bool>(&locked));
 146   EXPECT_EQ(3, mock_observer_.update_state_count());
 147   EXPECT_EQ(InputMethodManager::STATE_LOCK_SCREEN,
 148             mock_observer_.state());
 149   EXPECT_EQ(InputMethodManager::STATE_LOCK_SCREEN, monitor_.state());
 150
 151   locked = false;
 152   monitor_.Observe(chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED,
 153                    content::NotificationService::AllSources(),
 154                    content::Details<bool>(&locked));
 155   EXPECT_EQ(4, mock_observer_.update_state_count());
 156   EXPECT_EQ(InputMethodManager::STATE_BROWSER_SCREEN,
 157             mock_observer_.state());
 158   EXPECT_EQ(InputMethodManager::STATE_BROWSER_SCREEN, monitor_.state());
 159 }
 160
 161 TEST_F(BrowserStateMonitorTest, TestObserveAppTerminating) {
 162   EXPECT_EQ(1, mock_observer_.update_state_count());
 163   monitor_.Observe(chrome::NOTIFICATION_APP_TERMINATING,
 164                    content::NotificationService::AllSources(),
 165                    content::NotificationService::NoDetails());
 166
 167   // Check if the state of the |mock_observer_| as well as the |monitor| are
 168   // both changed.
 169   EXPECT_EQ(2, mock_observer_.update_state_count());
 170   EXPECT_EQ(InputMethodManager::STATE_TERMINATING,
 171             mock_observer_.state());
 172   EXPECT_EQ(InputMethodManager::STATE_TERMINATING, monitor_.state());
 173 }
 174
 175 }  // namespace input_method
 176 }  // namespace chromeos