tests/robotests/src/com/android/settings/development/EmulateDisplayCutoutPreferenceControllerTest.java

/*
 * Copyright (C) 2018 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.development;

import static com.google.common.truth.Truth.assertThat;

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.Mockito.when;

import android.content.om.IOverlayManager;
import android.content.pm.PackageManager;

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;

import androidx.preference.ListPreference;

@RunWith(RobolectricTestRunner.class)
public class EmulateDisplayCutoutPreferenceControllerTest {
    @Mock
    private IOverlayManager mOverlayManager;
    @Mock
    private PackageManager mPackageManager;
    @Mock
    private ListPreference mPreference;
    private EmulateDisplayCutoutPreferenceController mController;

    @Before
    public void setUp() throws Exception {
        MockitoAnnotations.initMocks(this);
        when(mPackageManager.getApplicationInfo(any(), anyInt()))
            .thenThrow(PackageManager.NameNotFoundException.class);
        mController = createController();
        mController.setPreference(mPreference);
    }

    @Test
    public void getKey_returnsDisplayCutoutEmulation() {
        assertThat(createController().getPreferenceKey()).isEqualTo("display_cutout_emulation");
    }

    private EmulateDisplayCutoutPreferenceController createController() {
        return new EmulateDisplayCutoutPreferenceController(RuntimeEnvironment.application,
                mPackageManager, mOverlayManager);
    }
}