[Testing] Use AndroidJUnit4 instead in ApnPreferenceControllerTest

/*

 * 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.doNothing;

import static org.mockito.Mockito.doReturn;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.when;

import android.content.Context;

import android.content.Intent;

import android.os.PersistableBundle;

import android.provider.Settings;

import android.telephony.CarrierConfigManager;

import android.telephony.SubscriptionManager;

import android.telephony.TelephonyManager;

import androidx.test.core.app.ApplicationProvider;

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

import com.android.settings.network.ApnSettings;

import com.android.settingslib.RestrictedPreference;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.ArgumentCaptor;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

@RunWith(AndroidJUnit4.class)

public class ApnPreferenceControllerTest {

    private static final int SUB_ID = 2;

    @Mock

    private TelephonyManager mTelephonyManager;

    @Mock

    private TelephonyManager mInvalidTelephonyManager;

    @Mock

    private SubscriptionManager mSubscriptionManager;

    @Mock

    private CarrierConfigManager mCarrierConfigManager;

    private ApnPreferenceController mController;

    private RestrictedPreference mPreference;

    private Context mContext;

    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);

        mContext = spy(ApplicationProvider.getApplicationContext());

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

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

        when(mContext.getSystemService(CarrierConfigManager.class)).thenReturn(

                mCarrierConfigManager);

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

        doReturn(mInvalidTelephonyManager).when(mTelephonyManager).createForSubscriptionId(

                SubscriptionManager.INVALID_SUBSCRIPTION_ID);

        mPreference = new RestrictedPreference(mContext);

        mController = new ApnPreferenceController(mContext, "mobile_data");

        mController.init(SUB_ID);

        mController.setPreference(mPreference);

        mController.mCarrierConfigManager = mCarrierConfigManager;

        mPreference.setKey(mController.getPreferenceKey());

    }

    @Test

    public void getAvailabilityStatus_apnSettingsNotSupported_returnUnavailable() {

        doReturn(TelephonyManager.PHONE_TYPE_CDMA).when(mTelephonyManager).getPhoneType();

        final PersistableBundle bundle = new PersistableBundle();

        bundle.putBoolean(CarrierConfigManager.KEY_SHOW_APN_SETTING_CDMA_BOOL, false);

        doReturn(bundle).when(mCarrierConfigManager).getConfigForSubId(SUB_ID);

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

    }

    @Test

    public void getAvailabilityStatus_apnSettingsSupportedWithCDMA_returnAvailable() {

        doReturn(TelephonyManager.PHONE_TYPE_CDMA).when(mTelephonyManager).getPhoneType();

        final PersistableBundle bundle = new PersistableBundle();

        bundle.putBoolean(CarrierConfigManager.KEY_SHOW_APN_SETTING_CDMA_BOOL, true);

        doReturn(bundle).when(mCarrierConfigManager).getConfigForSubId(SUB_ID);

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

    }

    @Test

    public void getAvailabilityStatus_apnSettingsSupportedWithGsm_returnAvailable() {

        doReturn(TelephonyManager.PHONE_TYPE_GSM).when(mTelephonyManager).getPhoneType();

        final PersistableBundle bundle = new PersistableBundle();

        bundle.putBoolean(CarrierConfigManager.KEY_APN_EXPAND_BOOL, true);

        doReturn(bundle).when(mCarrierConfigManager).getConfigForSubId(SUB_ID);

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

    }

    @Test

    public void getAvailabilityStatus_carrierConfigNull_returnUnavailable() {

        doReturn(TelephonyManager.PHONE_TYPE_GSM).when(mTelephonyManager).getPhoneType();

        when(mCarrierConfigManager.getConfigForSubId(SUB_ID)).thenReturn(null);

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

    }

    @Test

    public void getAvailabilityStatus_hideCarrierNetworkSettings_returnUnavailable() {

        doReturn(TelephonyManager.PHONE_TYPE_GSM).when(mTelephonyManager).getPhoneType();

        final PersistableBundle bundle = new PersistableBundle();

        bundle.putBoolean(CarrierConfigManager.KEY_APN_EXPAND_BOOL, true);

        bundle.putBoolean(CarrierConfigManager.KEY_HIDE_CARRIER_NETWORK_SETTINGS_BOOL, true);

        doReturn(bundle).when(mCarrierConfigManager).getConfigForSubId(SUB_ID);

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

    }

    @Test

    public void handPreferenceTreeClick_fireIntent() {

        ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);

        doNothing().when(mContext).startActivity(captor.capture());

        mController.handlePreferenceTreeClick(mPreference);

        final Intent intent = captor.getValue();

        assertThat(intent.getAction()).isEqualTo(Settings.ACTION_APN_SETTINGS);

        assertThat(intent.getIntExtra(ApnSettings.SUB_ID, 0)).isEqualTo(SUB_ID);

    }

}