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/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settingslib.widget;
import static com.google.common.truth.Truth.assertThat;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import androidx.preference.PreferenceViewHolder;
import androidx.test.core.app.ApplicationProvider;
import androidx.test.runner.AndroidJUnit4;
import com.android.settingslib.widget.settingsspinner.SettingsSpinner;
import com.android.settingslib.widget.settingsspinner.SettingsSpinnerAdapter;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.ArrayList;
import java.util.List;
@RunWith(AndroidJUnit4.class)
public class SettingsSpinnerPreferenceTest {
private Context mContext;
private PreferenceViewHolder mViewHolder;
private SettingsSpinner mSpinner;
private SettingsSpinnerPreference mSpinnerPreference;
@Before
public void setUp() {
mContext = ApplicationProvider.getApplicationContext();
mSpinnerPreference = new SettingsSpinnerPreference(mContext);
final LayoutInflater inflater = LayoutInflater.from(mContext);
final View rootView = inflater.inflate(mSpinnerPreference.getLayoutResource(),
new LinearLayout(mContext), false /* attachToRoot */);
mViewHolder = PreferenceViewHolder.createInstanceForTests(rootView);
mSpinner = (SettingsSpinner) mViewHolder.findViewById(R.id.spinner);
}
@Test
public void onBindViewHolder_noSetSelection_getDefaultItem() {
final List<CharSequence> list = new ArrayList<>();
list.add("TEST1");
list.add("TEST2");
list.add("TEST3");
final SettingsSpinnerAdapter adapter = new SettingsSpinnerAdapter(mContext);
adapter.addAll(list);
mSpinnerPreference.setAdapter(adapter);
mSpinnerPreference.onBindViewHolder(mViewHolder);
assertThat(adapter).isEqualTo(mSpinner.getAdapter());
assertThat(mSpinnerPreference.getSelectedItem())
.isEqualTo(mSpinner.getAdapter().getItem(0));
}
@Test
public void onBindViewHolder_setSelection_getSelectedItem() {
final List<CharSequence> list = new ArrayList<>();
list.add("TEST1");
list.add("TEST2");
list.add("TEST3");
final SettingsSpinnerAdapter adapter = new SettingsSpinnerAdapter(mContext);
adapter.addAll(list);
mSpinnerPreference.setAdapter(adapter);
mSpinnerPreference.setSelection(1);
mSpinnerPreference.onBindViewHolder(mViewHolder);
assertThat(mSpinnerPreference.getSelectedItem())
.isEqualTo(mSpinner.getAdapter().getItem(1));
}
}
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