chrome/browser/chromeos/input_method/input_method_engine_unittest.cc

   1 // Copyright 2014 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 "base/logging.h"
   6 #include "base/metrics/histogram.h"
   7 #include "base/metrics/histogram_samples.h"
   8 #include "base/metrics/statistics_recorder.h"
   9 #include "base/test/histogram_tester.h"
  10 #include "chrome/browser/chromeos/input_method/input_method_configuration.h"
  11 #include "chrome/browser/chromeos/input_method/input_method_engine.h"
  12 #include "chrome/browser/chromeos/input_method/input_method_engine_interface.h"
  13 #include "chrome/browser/chromeos/input_method/mock_input_method_manager.h"
  14 #include "chromeos/ime/extension_ime_util.h"
  15 #include "chromeos/ime/mock_component_extension_ime_manager_delegate.h"
  16 #include "testing/gtest/include/gtest/gtest.h"
  17 #include "ui/base/ime/chromeos/mock_ime_input_context_handler.h"
  18
  19 namespace chromeos {
  20
  21 namespace input_method {
  22 namespace {
  23
  24 const char kTestExtensionId[] = "mppnpdlheglhdfmldimlhpnegondlapf";
  25 const char kTestExtensionId2[] = "dmpipdbjkoajgdeppkffbjhngfckdloi";
  26 const char kTestImeComponentId[] = "test_engine_id";
  27
  28 enum CallsBitmap {
  29   NONE = 0U,
  30   ACTIVATE = 1U,
  31   DEACTIVATED = 2U,
  32   ONFOCUS = 4U,
  33   ONBLUR = 8U
  34 };
  35
  36 void InitInputMethod() {
  37   ComponentExtensionIMEManager* comp_ime_manager =
  38       new ComponentExtensionIMEManager;
  39   MockComponentExtIMEManagerDelegate* delegate =
  40       new MockComponentExtIMEManagerDelegate;
  41
  42   ComponentExtensionIME ext1;
  43   ext1.id = kTestExtensionId;
  44
  45   ComponentExtensionEngine ext1_engine1;
  46   ext1_engine1.engine_id = kTestImeComponentId;
  47   ext1_engine1.language_codes.push_back("en-US");
  48   ext1_engine1.layouts.push_back("us");
  49   ext1.engines.push_back(ext1_engine1);
  50
  51   std::vector<ComponentExtensionIME> ime_list;
  52   ime_list.push_back(ext1);
  53   delegate->set_ime_list(ime_list);
  54   comp_ime_manager->Initialize(
  55       scoped_ptr<ComponentExtensionIMEManagerDelegate>(delegate).Pass());
  56
  57   MockInputMethodManager* manager = new MockInputMethodManager;
  58   manager->SetComponentExtensionIMEManager(
  59       scoped_ptr<ComponentExtensionIMEManager>(comp_ime_manager).Pass());
  60   InitializeForTesting(manager);
  61 }
  62
  63 class TestObserver : public InputMethodEngineInterface::Observer {
  64  public:
  65   TestObserver() : calls_bitmap_(NONE) {}
  66   virtual ~TestObserver() {}
  67
  68   virtual void OnActivate(const std::string& engine_id) override {
  69     calls_bitmap_ |= ACTIVATE;
  70   }
  71   virtual void OnDeactivated(const std::string& engine_id) override {
  72     calls_bitmap_ |= DEACTIVATED;
  73   }
  74   virtual void OnFocus(
  75       const InputMethodEngineInterface::InputContext& context) override {
  76     calls_bitmap_ |= ONFOCUS;
  77   }
  78   virtual void OnBlur(int context_id) override {
  79     calls_bitmap_ |= ONBLUR;
  80   }
  81   virtual void OnKeyEvent(
  82       const std::string& engine_id,
  83       const InputMethodEngineInterface::KeyboardEvent& event,
  84       input_method::KeyEventHandle* key_data) override {}
  85   virtual void OnInputContextUpdate(
  86       const InputMethodEngineInterface::InputContext& context) override {}
  87   virtual void OnCandidateClicked(
  88       const std::string& engine_id,
  89       int candidate_id,
  90       InputMethodEngineInterface::MouseButtonEvent button) override {}
  91   virtual void OnMenuItemActivated(
  92       const std::string& engine_id,
  93       const std::string& menu_id) override {}
  94   virtual void OnSurroundingTextChanged(
  95       const std::string& engine_id,
  96       const std::string& text,
  97       int cursor_pos,
  98       int anchor_pos) override {}
  99   virtual void OnReset(const std::string& engine_id) override {}
 100
 101   unsigned char GetCallsBitmapAndReset() {
 102     unsigned char ret = calls_bitmap_;
 103     calls_bitmap_ = NONE;
 104     return ret;
 105   }
 106
 107  private:
 108   unsigned char calls_bitmap_;
 109
 110   DISALLOW_COPY_AND_ASSIGN(TestObserver);
 111 };
 112
 113 class InputMethodEngineTest :  public testing::Test {
 114  public:
 115   InputMethodEngineTest() : observer_(NULL), input_view_("inputview.html") {
 116     languages_.push_back("en-US");
 117     layouts_.push_back("us");
 118     InitInputMethod();
 119     IMEBridge::Initialize();
 120     mock_ime_input_context_handler_.reset(new MockIMEInputContextHandler());
 121     IMEBridge::Get()->SetInputContextHandler(
 122         mock_ime_input_context_handler_.get());
 123   }
 124   virtual ~InputMethodEngineTest() {
 125     IMEBridge::Get()->SetInputContextHandler(NULL);
 126     engine_.reset();
 127     Shutdown();
 128   }
 129
 130  protected:
 131   void CreateEngine(bool whitelisted) {
 132     engine_.reset(new InputMethodEngine());
 133     observer_ = new TestObserver();
 134     scoped_ptr<InputMethodEngineInterface::Observer> observer_ptr(observer_);
 135     engine_->Initialize(observer_ptr.Pass(),
 136                         whitelisted ? kTestExtensionId : kTestExtensionId2);
 137   }
 138
 139   void FocusIn(ui::TextInputType input_type) {
 140     IMEEngineHandlerInterface::InputContext input_context(
 141         input_type, ui::TEXT_INPUT_MODE_DEFAULT);
 142     engine_->FocusIn(input_context);
 143     IMEBridge::Get()->SetCurrentTextInputType(input_type);
 144   }
 145
 146   scoped_ptr<InputMethodEngine> engine_;
 147
 148   TestObserver* observer_;
 149   std::vector<std::string> languages_;
 150   std::vector<std::string> layouts_;
 151   GURL options_page_;
 152   GURL input_view_;
 153
 154   scoped_ptr<MockIMEInputContextHandler> mock_ime_input_context_handler_;
 155
 156  private:
 157   DISALLOW_COPY_AND_ASSIGN(InputMethodEngineTest);
 158 };
 159
 160 }  // namespace
 161
 162 TEST_F(InputMethodEngineTest, TestSwitching) {
 163   CreateEngine(false);
 164   // Enable/disable with focus.
 165   FocusIn(ui::TEXT_INPUT_TYPE_URL);
 166   EXPECT_EQ(NONE, observer_->GetCallsBitmapAndReset());
 167   engine_->Enable(kTestImeComponentId);
 168   EXPECT_EQ(ACTIVATE | ONFOCUS, observer_->GetCallsBitmapAndReset());
 169   engine_->Disable();
 170   EXPECT_EQ(DEACTIVATED, observer_->GetCallsBitmapAndReset());
 171   // Enable/disable without focus.
 172   engine_->FocusOut();
 173   EXPECT_EQ(NONE, observer_->GetCallsBitmapAndReset());
 174   engine_->Enable(kTestImeComponentId);
 175   EXPECT_EQ(ACTIVATE | ONFOCUS, observer_->GetCallsBitmapAndReset());
 176   engine_->Disable();
 177   EXPECT_EQ(DEACTIVATED, observer_->GetCallsBitmapAndReset());
 178   // Focus change when enabled.
 179   engine_->Enable(kTestImeComponentId);
 180   EXPECT_EQ(ACTIVATE | ONFOCUS, observer_->GetCallsBitmapAndReset());
 181   engine_->FocusOut();
 182   EXPECT_EQ(ONBLUR, observer_->GetCallsBitmapAndReset());
 183   // Focus change when disabled.
 184   engine_->Disable();
 185   EXPECT_EQ(DEACTIVATED, observer_->GetCallsBitmapAndReset());
 186   FocusIn(ui::TEXT_INPUT_TYPE_TEXT);
 187   EXPECT_EQ(NONE, observer_->GetCallsBitmapAndReset());
 188   engine_->FocusOut();
 189   EXPECT_EQ(NONE, observer_->GetCallsBitmapAndReset());
 190 }
 191
 192 TEST_F(InputMethodEngineTest, TestSwitching_Password_3rd_Party) {
 193   CreateEngine(false);
 194   // Enable/disable with focus.
 195   FocusIn(ui::TEXT_INPUT_TYPE_PASSWORD);
 196   EXPECT_EQ(NONE, observer_->GetCallsBitmapAndReset());
 197   engine_->Enable(kTestImeComponentId);
 198   EXPECT_EQ(ACTIVATE | ONFOCUS, observer_->GetCallsBitmapAndReset());
 199   engine_->Disable();
 200   EXPECT_EQ(DEACTIVATED, observer_->GetCallsBitmapAndReset());
 201   // Focus change when enabled.
 202   engine_->Enable(kTestImeComponentId);
 203   EXPECT_EQ(ACTIVATE | ONFOCUS, observer_->GetCallsBitmapAndReset());
 204   engine_->FocusOut();
 205   EXPECT_EQ(ONBLUR, observer_->GetCallsBitmapAndReset());
 206   FocusIn(ui::TEXT_INPUT_TYPE_PASSWORD);
 207   EXPECT_EQ(ONFOCUS, observer_->GetCallsBitmapAndReset());
 208   engine_->Disable();
 209   EXPECT_EQ(DEACTIVATED, observer_->GetCallsBitmapAndReset());
 210 }
 211
 212 TEST_F(InputMethodEngineTest, TestSwitching_Password_Whitelisted) {
 213   CreateEngine(true);
 214   // Enable/disable with focus.
 215   FocusIn(ui::TEXT_INPUT_TYPE_PASSWORD);
 216   EXPECT_EQ(NONE, observer_->GetCallsBitmapAndReset());
 217   engine_->Enable(kTestImeComponentId);
 218   EXPECT_EQ(ACTIVATE | ONFOCUS, observer_->GetCallsBitmapAndReset());
 219   engine_->Disable();
 220   EXPECT_EQ(DEACTIVATED, observer_->GetCallsBitmapAndReset());
 221   // Focus change when enabled.
 222   engine_->Enable(kTestImeComponentId);
 223   EXPECT_EQ(ACTIVATE | ONFOCUS, observer_->GetCallsBitmapAndReset());
 224   engine_->FocusOut();
 225   EXPECT_EQ(ONBLUR, observer_->GetCallsBitmapAndReset());
 226   FocusIn(ui::TEXT_INPUT_TYPE_PASSWORD);
 227   EXPECT_EQ(ONFOCUS, observer_->GetCallsBitmapAndReset());
 228   engine_->Disable();
 229   EXPECT_EQ(DEACTIVATED, observer_->GetCallsBitmapAndReset());
 230 }
 231
 232 TEST_F(InputMethodEngineTest, TestHistograms) {
 233   CreateEngine(true);
 234   FocusIn(ui::TEXT_INPUT_TYPE_TEXT);
 235   engine_->Enable(kTestImeComponentId);
 236   std::vector<InputMethodEngineInterface::SegmentInfo> segments;
 237   engine_->SetComposition(
 238       engine_->GetCotextIdForTesting(), "test", 0, 0, 0, segments, NULL);
 239   std::string error;
 240   base::HistogramTester histograms;
 241   engine_->CommitText(1, "input", &error);
 242   engine_->CommitText(1,
 243                       "\xE5\x85\xA5\xE5\x8A\x9B",  // 2 UTF-8 characters
 244                       &error);
 245   engine_->CommitText(1, "input\xE5\x85\xA5\xE5\x8A\x9B", &error);
 246   histograms.ExpectTotalCount("InputMethod.CommitLength", 3);
 247   histograms.ExpectBucketCount("InputMethod.CommitLength", 5, 1);
 248   histograms.ExpectBucketCount("InputMethod.CommitLength", 2, 1);
 249   histograms.ExpectBucketCount("InputMethod.CommitLength", 7, 1);
 250 }
 251
 252 }  // namespace input_method
 253 }  // namespace chromeos