Skeleton of an IpManagerTest

/*

 * Copyright (C) 2017 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 android.net.ip;

import static org.mockito.Mockito.when;

import android.content.ContentResolver;

import android.content.Context;

import android.content.res.Resources;

import android.os.INetworkManagementService;

import android.provider.Settings;

import android.support.test.filters.SmallTest;

import android.support.test.runner.AndroidJUnit4;

import android.test.mock.MockContentResolver;

import com.android.internal.util.test.FakeSettingsProvider;

import com.android.internal.R;

import org.junit.Before;

import org.junit.runner.RunWith;

import org.junit.Test;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

/**

 * Tests for IpManager.

 *

 * @hide

 */

@RunWith(AndroidJUnit4.class)

@SmallTest

public class IpManagerTest {

    @Mock private Context mContext;

    @Mock private INetworkManagementService mNMService;

    @Mock private Resources mResources;

    private MockContentResolver mContentResolver;

    @Before public void setUp() throws Exception {

        MockitoAnnotations.initMocks(this);

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

        when(mResources.getInteger(R.integer.config_networkAvoidBadWifi))

                .thenReturn(0);

        mContentResolver = new MockContentResolver();

        mContentResolver.addProvider(Settings.AUTHORITY, new FakeSettingsProvider());

        when(mContext.getContentResolver()).thenReturn(mContentResolver);

    }

    @Test

    public void testNullCallbackDoesNotThrow() throws Exception {

        final IpManager ipm = new IpManager(mContext, "lo", null, mNMService);

    }

    @Test

    public void testInvalidInterfaceDoesNotThrow() throws Exception {

        final IpManager.Callback cb = new IpManager.Callback();

        final IpManager ipm = new IpManager(mContext, "test_wlan0", cb, mNMService);

    }

}