DeviceModelPreferenceControllerTest converted to JUnit.

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

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.when;

import android.content.Context;

import android.content.res.Resources;

import androidx.test.core.app.ApplicationProvider;

import androidx.test.ext.junit.runners.AndroidJUnit4;

import com.android.settings.core.BasePreferenceController;

import com.android.settings.testutils.ResourcesUtils;

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 org.robolectric.annotation.Config;

@RunWith(RobolectricTestRunner.class)

@RunWith(AndroidJUnit4.class)

public class DeviceModelPreferenceControllerTest {

    private Context mContext;

    private DeviceModelPreferenceController mController;

    @Mock

    private Resources mResources;

    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);

        mContext = RuntimeEnvironment.application;

        mContext = spy(ApplicationProvider.getApplicationContext());

        when(mContext.getResources()).thenReturn(mResources);

        mController = new DeviceModelPreferenceController(mContext, "test_key");

    }

    @Test

    public void getAvailabilityStatus_configAllowed_available() {

        final int boolId = ResourcesUtils.getResourcesId(

                ApplicationProvider.getApplicationContext(), "bool", "config_show_device_model");

        when(mResources.getBoolean(boolId)).thenReturn(true);

        assertThat(mController.getAvailabilityStatus()).isEqualTo(

                BasePreferenceController.AVAILABLE);

    }

    @Test

    @Config(qualifiers = "mcc999")

    public void getAvailabilityStatus_configDisallowed_unavailable() {

        final int boolId = ResourcesUtils.getResourcesId(

                ApplicationProvider.getApplicationContext(), "bool", "config_show_device_model");

        when(mResources.getBoolean(boolId)).thenReturn(false);

        assertThat(mController.getAvailabilityStatus()).isEqualTo(

                BasePreferenceController.UNSUPPORTED_ON_DEVICE);

    }