| // Copyright 2022 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/ash/input_method/input_method_options_observer.h" |
| |
| #include "base/functional/callback.h" |
| #include "base/test/bind.h" |
| #include "chrome/common/pref_names.h" |
| #include "chrome/test/base/testing_profile.h" |
| #include "components/prefs/scoped_user_pref_update.h" |
| #include "content/public/test/browser_task_environment.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace ash::input_method { |
| namespace { |
| |
| void SetAutocorrectLevel(PrefService* pref_service, int autocorrect_level) { |
| ScopedDictPrefUpdate(pref_service, |
| prefs::kLanguageInputMethodSpecificSettings) |
| ->SetByDottedPath("xkb:us::eng.physicalKeyboardAutoCorrectionLevel", |
| base::Value(autocorrect_level)); |
| } |
| |
| void SetPredictiveWriting(PrefService* pref_service, bool enabled) { |
| ScopedDictPrefUpdate(pref_service, |
| prefs::kLanguageInputMethodSpecificSettings) |
| ->SetByDottedPath("xkb:us::eng.physicalKeyboardEnabledPredictiveWriting", |
| base::Value(enabled)); |
| } |
| |
| class InputMethodOptionsObserverTest : public ::testing::Test { |
| protected: |
| content::BrowserTaskEnvironment task_environment_; |
| TestingProfile profile_; |
| }; |
| |
| TEST_F(InputMethodOptionsObserverTest, |
| InvokesCallbackWheneverSettingsAreChanged) { |
| int num_calls_received = 0; |
| PrefService* pref_service = profile_.GetPrefs(); |
| InputMethodOptionsObserver observer(pref_service); |
| observer.Observe(base::BindLambdaForTesting( |
| [&](const std::string& pref_path) { num_calls_received++; })); |
| |
| // Start making changes to the preferences that should be observed. |
| SetAutocorrectLevel(pref_service, /*autocorrect_level=*/0); |
| SetAutocorrectLevel(pref_service, /*autocorrect_level=*/1); |
| SetAutocorrectLevel(pref_service, /*autocorrect_level=*/2); |
| SetPredictiveWriting(pref_service, /*enabled=*/false); |
| SetPredictiveWriting(pref_service, /*enabled=*/true); |
| |
| EXPECT_EQ(num_calls_received, 5); |
| } |
| |
| TEST_F(InputMethodOptionsObserverTest, |
| DoesNotInvokeCallbackWhenIrrelevantSettingsAreChanged) { |
| int num_calls_received = 0; |
| PrefService* pref_service = profile_.GetPrefs(); |
| InputMethodOptionsObserver observer(pref_service); |
| observer.Observe(base::BindLambdaForTesting( |
| [&](const std::string& pref_path) { num_calls_received++; })); |
| |
| // Update some random preferences that should not be observed. |
| pref_service->Set(prefs::kLabsAdvancedFilesystemEnabled, base::Value(true)); |
| pref_service->Set(prefs::kLabsAdvancedFilesystemEnabled, base::Value(false)); |
| pref_service->Set(prefs::kShowMobileDataNotification, base::Value(true)); |
| pref_service->Set(prefs::kShowMobileDataNotification, base::Value(false)); |
| |
| EXPECT_EQ(num_calls_received, 0); |
| } |
| |
| TEST_F(InputMethodOptionsObserverTest, |
| StopsObservingWhenObserverFallsOutOfScope) { |
| int num_calls_received = 0; |
| PrefService* pref_service = profile_.GetPrefs(); |
| |
| { |
| InputMethodOptionsObserver observer(pref_service); |
| observer.Observe(base::BindLambdaForTesting( |
| [&](const std::string& pref_path) { num_calls_received++; })); |
| } |
| |
| // Start making changes to the preferences that should be observed. |
| SetAutocorrectLevel(pref_service, /*autocorrect_level=*/0); |
| SetAutocorrectLevel(pref_service, /*autocorrect_level=*/1); |
| SetAutocorrectLevel(pref_service, /*autocorrect_level=*/2); |
| SetPredictiveWriting(pref_service, /*enabled=*/false); |
| SetPredictiveWriting(pref_service, /*enabled=*/true); |
| |
| EXPECT_EQ(num_calls_received, 0); |
| } |
| |
| } // namespace |
| } // namespace ash::input_method |