Merge "[Testing] Use AndroidJUnit4 instead in DataConnectivityListenerTest"

/*

 * 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;

import static org.mockito.ArgumentMatchers.any;

import static org.mockito.ArgumentMatchers.eq;

import static org.mockito.Mockito.mock;

import static org.mockito.Mockito.never;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;

import android.content.Context;

import android.net.ConnectivityManager;

import android.net.Network;

import android.net.NetworkCapabilities;

import android.net.NetworkRequest;

import android.os.Handler;

import androidx.test.core.app.ApplicationProvider;

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

import com.android.settings.network.telephony.DataConnectivityListener;

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 DataConnectivityListenerTest {

    @Mock

    private DataConnectivityListener.Client mClient;

    @Mock

    private ConnectivityManager mConnectivityManager;

    @Mock

    private Network mActiveNetwork;

    private Context mContext;

    private DataConnectivityListener mListener;

    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);

        mContext = spy(ApplicationProvider.getApplicationContext());

        when(mContext.getSystemService(ConnectivityManager.class)).thenReturn(mConnectivityManager);

        when(mConnectivityManager.getActiveNetwork()).thenReturn(mActiveNetwork);

        mListener = new DataConnectivityListener(mContext, mClient);

    }

    @Test

    public void registerNetworkCallback_listenerNotStart_doesNotRegister() {

        verify(mConnectivityManager, never()).registerNetworkCallback(any(NetworkRequest.class),

                any(ConnectivityManager.NetworkCallback.class), any(Handler.class));

    }

    @Test

    public void registerNetworkCallback_listenerStart_doesRegister() {

        mListener.start();

        verify(mConnectivityManager).registerNetworkCallback(any(NetworkRequest.class),

                eq(mListener), any(Handler.class));

    }

    @Test

    public void onCapabilitiesChanged_notActiveNetwork_noCallback() {

        Network changedNetwork = mock(Network.class);

        mListener.onCapabilitiesChanged(changedNetwork, null);

        verify(mClient, never()).onDataConnectivityChange();

    }

    @Test

    public void onCapabilitiesChanged_activeNetwork_onDataConnectivityChangeFires() {

        mListener.onCapabilitiesChanged(mActiveNetwork, null);

        verify(mClient).onDataConnectivityChange();

    }

    @Test

    public void onLosing_notActiveNetwork_onDataConnectivityChangeFires() {

        Network changedNetwork = mock(Network.class);

        mListener.onLosing(changedNetwork, 500);

        verify(mClient).onDataConnectivityChange();

    }

    @Test

    public void onLosing_activeNetwork_onDataConnectivityChangeFires() {

        mListener.onLosing(mActiveNetwork, 500);

        verify(mClient).onDataConnectivityChange();

    }

    @Test

    public void onLost_notActiveNetwork_onDataConnectivityChangeFires() {

        Network changedNetwork = mock(Network.class);

        mListener.onLost(changedNetwork);

        verify(mClient).onDataConnectivityChange();

    }

    @Test

    public void onLost_activeNetwork_onDataConnectivityChangeFires() {

        mListener.onLost(mActiveNetwork);

        verify(mClient).onDataConnectivityChange();

    }

}

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