Merge "[Testing] AndroidJUnit4 NetworkSelectSettingsTest"

/*

 * 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.google.common.truth.Truth.assertThat;

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.SharedPreferences;

import android.telephony.CellIdentityLte;

import android.telephony.CellIdentityWcdma;

import android.telephony.CellInfoLte;

import android.telephony.CellInfoWcdma;

import android.telephony.SubscriptionManager;

import android.telephony.TelephonyManager;

import androidx.preference.PreferenceCategory;

import androidx.preference.PreferenceManager;

import androidx.test.annotation.UiThreadTest;

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;

import java.util.Arrays;

@RunWith(AndroidJUnit4.class)

public class NetworkSelectSettingsTest {

    private static final int SUB_ID = 2;

    private static final String CARRIER_NAME1 = "CarrierName1";

    private static final String CARRIER_NAME2 = "CarrierName2";

    @Mock

    private TelephonyManager mTelephonyManager;

    @Mock

    private SubscriptionManager mSubscriptionManager;

    @Mock

    private PreferenceManager mPreferenceManager;

    @Mock

    private SharedPreferences mSharedPreferences;

    private CellInfoWcdma mCellInfo1 = new CellInfoWcdma();

    private CellIdentityWcdma mCellId1 = new CellIdentityWcdma();

    private CellInfoLte mCellInfo2 = new CellInfoLte();

    private CellIdentityLte mCellId2 = new CellIdentityLte();

    private Context mContext;

    private PreferenceCategory mPreferenceCategory;

    private NetworkSelectSettings mNetworkSelectSettings;

    @Before

    @UiThreadTest

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

        mCellInfo1.setRegistered(true);

        mCellInfo1.setCellIdentity(mCellId1);

        mCellId1.setOperatorAlphaLong(CARRIER_NAME1);

        mCellInfo2.setRegistered(false);

        mCellInfo2.setCellIdentity(mCellId2);

        mCellId2.setOperatorAlphaLong(CARRIER_NAME2);

        doReturn(mSharedPreferences).when(mPreferenceManager).getSharedPreferences();

        mPreferenceCategory = spy(new PreferenceCategory(mContext));

        doReturn(mPreferenceManager).when(mPreferenceCategory).getPreferenceManager();

        mNetworkSelectSettings = spy(new NetworkSelectSettings());

        doReturn(mContext).when(mNetworkSelectSettings).getContext();

        doReturn(mPreferenceManager).when(mNetworkSelectSettings).getPreferenceManager();

        doReturn(mContext).when(mPreferenceManager).getContext();

        mNetworkSelectSettings.mTelephonyManager = mTelephonyManager;

        mNetworkSelectSettings.mPreferenceCategory = mPreferenceCategory;

        mNetworkSelectSettings.mCellInfoList = Arrays.asList(mCellInfo1, mCellInfo2);

    }

    @Test

    public void updateAllPreferenceCategory_correctOrderingPreference() {

        mNetworkSelectSettings.updateAllPreferenceCategory();

        assertThat(mPreferenceCategory.getPreferenceCount()).isEqualTo(2);

        final NetworkOperatorPreference preference =

                (NetworkOperatorPreference) mPreferenceCategory.getPreference(1);

        assertThat(preference.getOperatorName()).isEqualTo(mCellId2.getOperatorAlphaLong());

    }

    @Test

    public void updateForbiddenPlmns_forbiddenPlmnsNull_shouldNotCrash() {

        when(mTelephonyManager.getForbiddenPlmns()).thenReturn(null);

        // Should not Crash

        mNetworkSelectSettings.updateForbiddenPlmns();

    }

}