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// 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
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