[Testing] Use AndroidJUnit4 instead in MmsMessagePreferenceControllerTest

/*

 * Copyright (C) 2020 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.network.telephony;

import static com.android.settings.core.BasePreferenceController.AVAILABLE;

import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE;

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

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;

import android.content.Context;

import android.telephony.SubscriptionManager;

import android.telephony.TelephonyManager;

import android.telephony.data.ApnSetting;

import androidx.preference.SwitchPreference;

import androidx.test.core.app.ApplicationProvider;

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

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

@RunWith(AndroidJUnit4.class)

public class MmsMessagePreferenceControllerTest {

    private static final int SUB_ID = 2;

    @Mock

    private TelephonyManager mTelephonyManager;

    @Mock

    private SubscriptionManager mSubscriptionManager;

    private MmsMessagePreferenceController mController;

    private SwitchPreference mPreference;

    private Context mContext;

    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);

        mContext = spy(ApplicationProvider.getApplicationContext());

        when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);

        when(mContext.getSystemService(Context.TELEPHONY_SERVICE)).thenReturn(mTelephonyManager);

        when(mContext.getSystemService(SubscriptionManager.class)).thenReturn(mSubscriptionManager);

        when(mTelephonyManager.createForSubscriptionId(SUB_ID)).thenReturn(mTelephonyManager);

        mPreference = new SwitchPreference(mContext);

        mController = new MmsMessagePreferenceController(mContext, "mms_message");

        mController.init(SUB_ID);

        mPreference.setKey(mController.getPreferenceKey());

    }

    @Test

    public void getAvailabilityStatus_invalidSubscription_returnUnavailable() {

        mController.init(SubscriptionManager.INVALID_SUBSCRIPTION_ID);

        assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);

    }

    @Test

    public void getAvailabilityStatus_mobileDataOn_returnUnavailable() {

        when(mTelephonyManager.isDataEnabled()).thenReturn(true);

        assertThat(mController.getAvailabilityStatus(SUB_ID)).isEqualTo(CONDITIONALLY_UNAVAILABLE);

    }

    @Test

    public void getAvailabilityStatus_meteredOff_returnUnavailable() {

        when(mTelephonyManager.isApnMetered(ApnSetting.TYPE_MMS)).thenReturn(false);

        assertThat(mController.getAvailabilityStatus(SUB_ID)).isEqualTo(CONDITIONALLY_UNAVAILABLE);

    }

    @Test

    public void getAvailabilityStatus_mobileDataOffWithValidSubId_returnAvailable() {

        mController.init(SUB_ID);

        when(mTelephonyManager.isDataEnabled()).thenReturn(false);

        when(mTelephonyManager.isApnMetered(ApnSetting.TYPE_MMS)).thenReturn(true);

        assertThat(mController.getAvailabilityStatus(SUB_ID)).isEqualTo(AVAILABLE);

    }

    @Test

    public void isChecked_returnDataFromTelephonyManager() {

        when(mTelephonyManager.isDataEnabledForApn(ApnSetting.TYPE_MMS)).thenReturn(false);

        assertThat(mController.isChecked()).isFalse();

        when(mTelephonyManager.isDataEnabledForApn(ApnSetting.TYPE_MMS)).thenReturn(true);

        assertThat(mController.isChecked()).isTrue();

    }

    @Test

    public void setChecked_setDataIntoSubscriptionManager() {

        mController.setChecked(true);

        verify(mTelephonyManager).setAlwaysAllowMmsData(true);

        mController.setChecked(false);

        verify(mTelephonyManager).setAlwaysAllowMmsData(false);

    }

}