Upstream Chrome on iOS source code [8/11].

ios/chrome/browser/ui/settings/voicesearch_collection_view_controller_unittest.mm

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import "ios/chrome/browser/ui/settings/voicesearch_collection_view_controller.h"
+
+#include <memory>
+
+#include "base/compiler_specific.h"
+#include "base/files/file_path.h"
+#include "base/mac/foundation_util.h"
+#include "base/mac/scoped_nsobject.h"
+#include "base/message_loop/message_loop.h"
+#include "base/threading/thread_task_runner_handle.h"
+#include "components/prefs/pref_member.h"
+#include "components/prefs/pref_registry_simple.h"
+#include "components/prefs/testing_pref_service.h"
+#import "ios/chrome/browser/ui/collection_view/cells/collection_view_switch_item.h"
+#import "ios/chrome/browser/ui/collection_view/collection_view_controller.h"
+#import "ios/chrome/browser/ui/collection_view/collection_view_controller_test.h"
+#include "ios/chrome/browser/voice/speech_input_locale_config_impl.h"
+#include "ios/public/provider/chrome/browser/voice/voice_search_prefs.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest_mac.h"
+#include "testing/platform_test.h"
+#include "ui/base/l10n/l10n_util_mac.h"
+
+namespace {
+
+class VoicesearchCollectionViewControllerTest
+    : public CollectionViewControllerTest {
+ protected:
+  void SetUp() override {
+    CollectionViewControllerTest::SetUp();
+    pref_service_ = CreateLocalState();
+  }
+
+  CollectionViewController* NewController() override NS_RETURNS_RETAINED {
+    return [[VoicesearchCollectionViewController alloc]
+        initWithPrefs:pref_service_.get()];
+  }
+
+  std::unique_ptr<PrefService> CreateLocalState() {
+    TestingPrefServiceSimple* prefs = new TestingPrefServiceSimple();
+    PrefRegistrySimple* registry = prefs->registry();
+    registry->RegisterBooleanPref(prefs::kVoiceSearchTTS, false);
+    registry->RegisterStringPref(prefs::kVoiceSearchLocale, "en-US");
+    return std::unique_ptr<PrefService>(prefs);
+  }
+
+  CollectionViewSwitchCell* GetSwitchCell() {
+    return base::mac::ObjCCastStrict<CollectionViewSwitchCell>(
+        [controller().collectionView
+            cellForItemAtIndexPath:[NSIndexPath indexPathForItem:0
+                                                       inSection:0]]);
+  }
+
+  base::MessageLoopForUI message_loop_;
+  std::unique_ptr<PrefService> pref_service_;
+};
+
+TEST_F(VoicesearchCollectionViewControllerTest, NumberOfSectionsAndItems) {
+  CreateController();
+  CheckController();
+
+  EXPECT_EQ(2, NumberOfSections());
+  EXPECT_EQ(1, NumberOfItemsInSection(0));
+  const std::vector<voice::SpeechInputLocale>& locales =
+      voice::SpeechInputLocaleConfig::GetInstance()->GetAvailableLocales();
+  // Add one to the available locale list size to account for the default locale
+  // preference.
+  EXPECT_EQ(locales.size() + 1,
+            static_cast<unsigned int>(NumberOfItemsInSection(1)));
+}
+
+// Taps the last item in the languages list to ensure that the app does not
+// crash.  This tests for a regression in crbug.com/661358.
+TEST_F(VoicesearchCollectionViewControllerTest, TapTheLastItemInTheList) {
+  CreateController();
+
+  const std::vector<voice::SpeechInputLocale>& locales =
+      voice::SpeechInputLocaleConfig::GetInstance()->GetAvailableLocales();
+  // Add one to the available locale list size to account for the default locale
+  // preference.
+  ASSERT_EQ(locales.size() + 1,
+            static_cast<unsigned int>(NumberOfItemsInSection(1)));
+
+  // Simulate a tap on the last item in the list.
+  [controller() collectionView:[controller() collectionView]
+      didSelectItemAtIndexPath:[NSIndexPath indexPathForItem:locales.size()
+                                                   inSection:1]];
+}
+
+TEST_F(VoicesearchCollectionViewControllerTest,
+       TestModel_TextToSpeechOff_TTSSupported) {
+  CreateController();
+  CollectionViewSwitchItem* switchItem = GetCollectionViewItem(0, 0);
+  EXPECT_FALSE(switchItem.isOn);
+  EXPECT_TRUE(switchItem.isEnabled);
+}
+
+TEST_F(VoicesearchCollectionViewControllerTest,
+       TestModel_TextToSpeechOn_TTSSupported) {
+  // Enable the global TTS setting.
+  BooleanPrefMember textToSpeechEnabled;
+  textToSpeechEnabled.Init(prefs::kVoiceSearchTTS, pref_service_.get());
+  textToSpeechEnabled.SetValue(true);
+
+  CreateController();
+  CollectionViewSwitchItem* switchItem = GetCollectionViewItem(0, 0);
+  EXPECT_TRUE(switchItem.isOn);
+  EXPECT_TRUE(switchItem.isEnabled);
+}
+
+TEST_F(VoicesearchCollectionViewControllerTest,
+       TestModel_TextToSpeechOff_TTSNotSupported) {
+  // Set current language to a language that doesn't support TTS.
+  StringPrefMember selectedLanguage;
+  selectedLanguage.Init(prefs::kVoiceSearchLocale, pref_service_.get());
+  selectedLanguage.SetValue("af-ZA");
+
+  CreateController();
+  CollectionViewSwitchItem* switchItem = GetCollectionViewItem(0, 0);
+  EXPECT_FALSE(switchItem.isOn);
+  EXPECT_FALSE(switchItem.isEnabled);
+}
+
+TEST_F(VoicesearchCollectionViewControllerTest,
+       TestModel_TextToSpeechOn_TTSNotSupported) {
+  // Set current language to a language that doesn't support TTS.
+  StringPrefMember selectedLanguage;
+  selectedLanguage.Init(prefs::kVoiceSearchLocale, pref_service_.get());
+  selectedLanguage.SetValue("af-ZA");
+
+  // Enable the global TTS setting.
+  BooleanPrefMember textToSpeechEnabled;
+  textToSpeechEnabled.Init(prefs::kVoiceSearchTTS, pref_service_.get());
+  textToSpeechEnabled.SetValue(true);
+
+  CreateController();
+  CollectionViewSwitchItem* switchItem = GetCollectionViewItem(0, 0);
+  EXPECT_TRUE(switchItem.isOn);
+  EXPECT_FALSE(switchItem.isEnabled);
+}
+
+}  // namespace