tests/robotests/src/com/android/settings/gestures/LabeledSeekBarPreferenceTest.java

/*
 * Copyright (C) 2019 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.settings.gestures;

import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.SeekBar;

import androidx.preference.Preference;

import com.android.settings.widget.LabeledSeekBarPreference;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;

@RunWith(RobolectricTestRunner.class)
public class LabeledSeekBarPreferenceTest {

    private Context mContext;
    private SeekBar mSeekBar;
    private LabeledSeekBarPreference mSeekBarPreference;

    @Mock
    private Preference.OnPreferenceChangeListener mListener;

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);

        mContext = RuntimeEnvironment.application;
        mSeekBarPreference = new LabeledSeekBarPreference(mContext, null);
        LayoutInflater inflater = LayoutInflater.from(mContext);
        final View view =
                inflater.inflate(mSeekBarPreference.getLayoutResource(),
                        new LinearLayout(mContext), false);
        mSeekBar = view.findViewById(com.android.internal.R.id.seekbar);
    }

    @Test
    public void seekBarPreferenceOnStopTrackingTouch_callsListener() {
        mSeekBar.setProgress(2);

        mSeekBarPreference.setOnPreferenceChangeStopListener(mListener);
        mSeekBarPreference.onStopTrackingTouch(mSeekBar);

        verify(mListener, times(1)).onPreferenceChange(mSeekBarPreference, 2);
    }
}