Mock WifiP2pManager.class for WifiP2pSettingsTest

import com.android.settingslib.core.AbstractPreferenceController;

import org.junit.Before;

import org.junit.Ignore;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

    private Context mContext;

    private FragmentActivity mActivity;

    private WifiP2pSettings mFragment;

    private TestWifiP2pSettings mFragment;

    @Mock

    public WifiP2pManager mWifiP2pManager;

    public void setUp() {

        MockitoAnnotations.initMocks(this);

        mContext = RuntimeEnvironment.application;

        TestWifiP2pSettings.sMockWifiP2pManager = mWifiP2pManager;

        mActivity = Robolectric.setupActivity(FragmentActivity.class);

        mFragment = new WifiP2pSettings();

        mFragment = new TestWifiP2pSettings();

        mFragment.mWifiP2pManager = mWifiP2pManager;

        doReturn(mChannel).when(mWifiP2pManager).initialize(any(), any(), any());

        FragmentManager fragmentManager = mActivity.getSupportFragmentManager();

    }

    @Test

    @Ignore

    public void onActivityCreate_withNullP2pManager_shouldGetP2pManagerAgain() {

        mFragment.mChannel = null; // Reset channel to re-test onActivityCreated flow

        mFragment.mWifiP2pManager = null;

        wifiP2pDevice.deviceName = "testName";

        mWifiP2pPeer.device = wifiP2pDevice;

    }

    public static class TestWifiP2pSettings extends WifiP2pSettings {

        static WifiP2pManager sMockWifiP2pManager;

        @Override

        protected Object getSystemService(final String name) {

            if (Context.WIFI_P2P_SERVICE.equals(name)) return sMockWifiP2pManager;

            return getActivity().getSystemService(name);

        }

    }

}