/**
* Copyright (c) 2020 LEAP Encryption Access Project and contributers
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package se.leap.bitmaskclient.tethering;
import android.content.Context;
import android.content.IntentFilter;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Answers;
import org.mockito.Mock;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Arrays;
import java.util.Collections;
import java.util.Enumeration;
import se.leap.bitmaskclient.utils.Cmd;
import static junit.framework.TestCase.assertTrue;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.mock;
import static org.powermock.api.mockito.PowerMockito.mockStatic;
import static org.powermock.api.mockito.PowerMockito.when;
@RunWith(PowerMockRunner.class)
@PrepareForTest({WifiManagerWrapper.class, TetheringStateManager.class, Cmd.class, NetworkInterface.class})
public class TetheringStateManagerTest {
@Mock(answer = Answers.RETURNS_DEEP_STUBS)
Context mockContext;
@Mock(answer = Answers.RETURNS_DEEP_STUBS)
IntentFilter intentFilter;
private TetheringObservable observable;
@Before
public void setup() throws Exception {
PowerMockito.whenNew(IntentFilter.class).withArguments(anyString()).thenReturn(intentFilter);
PowerMockito.whenNew(IntentFilter.class).withNoArguments().thenReturn(intentFilter);
observable = TetheringObservable.getInstance();
}
@Test
public void updateUsbTetheringState_findsRndisX_returnsTrue() throws Exception {
WifiManagerWrapper mockWrapper = mock(WifiManagerWrapper.class);
when(mockWrapper.isWifiAPEnabled()).thenReturn(false);
PowerMockito.whenNew(WifiManagerWrapper.class).withAnyArguments().thenReturn(mockWrapper);
PowerMockito.mockStatic(NetworkInterface.class);
NetworkInterface mock1 = PowerMockito.mock(NetworkInterface.class);
when(mock1.isLoopback()).thenReturn(false);
when(mock1.getName()).thenReturn("eth0");
NetworkInterface mock2 = PowerMockito.mock(NetworkInterface.class);
when(mock2.isLoopback()).thenReturn(false);
when(mock2.getName()).thenReturn("rndis0");
NetworkInterface[] networkInterfaces = new NetworkInterface[2];
networkInterfaces[0] = mock1;
networkInterfaces[1] = mock2;
PowerMockito.when(NetworkInterface.getNetworkInterfaces()).then(new Answer>() {
@Override
public Enumeration answer(InvocationOnMock invocation) throws Throwable {
return Collections.enumeration(Arrays.asList(networkInterfaces));
}
});
TetheringObservable.setUsbTethering(false, "192.168.42.0/24", "rndis0");
TetheringStateManager.getInstance().init(mockContext);
TetheringStateManager manager = TetheringStateManager.getInstance();
assertTrue(observable.isUsbTetheringEnabled());
}
@Test
public void updateUsbTetheringState_doesntFindRndisX_returnsFalse() throws Exception {
WifiManagerWrapper mockWrapper = mock(WifiManagerWrapper.class);
when(mockWrapper.isWifiAPEnabled()).thenReturn(false);
PowerMockito.whenNew(WifiManagerWrapper.class).withAnyArguments().thenReturn(mockWrapper);
PowerMockito.mockStatic(NetworkInterface.class);
NetworkInterface mock1 = PowerMockito.mock(NetworkInterface.class);
when(mock1.isLoopback()).thenReturn(false);
when(mock1.getName()).thenReturn("eth0");
NetworkInterface mock2 = PowerMockito.mock(NetworkInterface.class);
when(mock2.isLoopback()).thenReturn(false);
when(mock2.getName()).thenReturn("wifi0");
NetworkInterface[] networkInterfaces = new NetworkInterface[2];
networkInterfaces[0] = mock1;
networkInterfaces[1] = mock2;
PowerMockito.when(NetworkInterface.getNetworkInterfaces()).then(new Answer>() {
@Override
public Enumeration answer(InvocationOnMock invocation) throws Throwable {
return Collections.enumeration(Arrays.asList(networkInterfaces));
}
});
TetheringObservable.setUsbTethering(true, "192.168.42.0/24", "rndis0");
TetheringStateManager.getInstance().init(mockContext);
TetheringStateManager manager = TetheringStateManager.getInstance();
assertFalse(observable.isUsbTetheringEnabled());
}
@Test
public void updateUsbTetheringState_ThrowsException_returnsFalse() throws Exception {
WifiManagerWrapper mockWrapper = mock(WifiManagerWrapper.class);
when(mockWrapper.isWifiAPEnabled()).thenReturn(false);
PowerMockito.whenNew(WifiManagerWrapper.class).withAnyArguments().thenReturn(mockWrapper);
PowerMockito.mockStatic(NetworkInterface.class);
PowerMockito.when(NetworkInterface.getNetworkInterfaces()).thenThrow(new SocketException());
TetheringObservable.setUsbTethering(true, "192.168.42.0/24", "rndis0");
TetheringStateManager.getInstance().init(mockContext);
TetheringStateManager manager = TetheringStateManager.getInstance();
assertFalse(observable.isUsbTetheringEnabled());
}
/* //TODO enable these tests as soon as bluetooth tethering has been enabled again
@Test
public void updateBluetoothTetheringState_btDeviceFound_returnTrue() throws Exception {
WifiManagerWrapper mockWrapper = mock(WifiManagerWrapper.class);
when(mockWrapper.isWifiAPEnabled()).thenReturn(true);
PowerMockito.whenNew(WifiManagerWrapper.class).withAnyArguments().thenReturn(mockWrapper);
mockStatic(Cmd.class);
PowerMockito.when(Cmd.runBlockingCmd(any(), any(StringBuilder.class))).then(new Answer() {
@Override
public Integer answer(InvocationOnMock invocation) throws Throwable {
StringBuilder logStringBuilder = invocation.getArgument(1);
logStringBuilder.append("bt-pan device found");
return 0;
}
});
TetheringObservable.setBluetoothTethering(false);
TetheringStateManager.getInstance().init(mockContext);
TetheringStateManager manager = TetheringStateManager.getInstance();
assertTrue(observable.isBluetoothTetheringEnabled());
}
@Test
public void updateBluetoothTetheringState_btPanDeviceNotFound_returnFalse() throws Exception {
WifiManagerWrapper mockWrapper = mock(WifiManagerWrapper.class);
when(mockWrapper.isWifiAPEnabled()).thenReturn(true);
PowerMockito.whenNew(WifiManagerWrapper.class).withAnyArguments().thenReturn(mockWrapper);
mockStatic(Cmd.class);
PowerMockito.when(Cmd.runBlockingCmd(any(), any(StringBuilder.class))).then(new Answer() {
@Override
public Integer answer(InvocationOnMock invocation) throws Throwable {
StringBuilder logStringBuilder = invocation.getArgument(1);
logStringBuilder.append("bt-pan device not found");
return 1;
}
});
TetheringObservable.setBluetoothTethering(true);
TetheringStateManager.getInstance().init(mockContext);
TetheringStateManager manager = TetheringStateManager.getInstance();
assertFalse(observable.isBluetoothTetheringEnabled());
}
@Test
public void updateBluetoothTetheringState_ThrowsException_returnsFalse() throws Exception {
WifiManagerWrapper mockWrapper = mock(WifiManagerWrapper.class);
when(mockWrapper.isWifiAPEnabled()).thenReturn(true);
PowerMockito.whenNew(WifiManagerWrapper.class).withAnyArguments().thenReturn(mockWrapper);
mockStatic(Cmd.class);
PowerMockito.when(Cmd.runBlockingCmd(any(), any(StringBuilder.class))).
thenThrow(new SecurityException("Creation of subprocess is not allowed"));
TetheringObservable.setBluetoothTethering(true);
TetheringStateManager.getInstance().init(mockContext);
TetheringStateManager manager = TetheringStateManager.getInstance();
assertFalse(observable.isBluetoothTetheringEnabled());
}
@Test
public void updateBluetoothTetheringState_WifiManagerWrapperThrowsException_hasNoInfluenceOnResult() throws Exception {
WifiManagerWrapper mockWrapper = mock(WifiManagerWrapper.class);
when(mockWrapper.isWifiAPEnabled()).thenThrow(new NoSuchMethodException());
PowerMockito.whenNew(WifiManagerWrapper.class).withAnyArguments().thenReturn(mockWrapper);
mockStatic(Cmd.class);
PowerMockito.when(Cmd.runBlockingCmd(any(), any(StringBuilder.class))).then(new Answer() {
@Override
public Integer answer(InvocationOnMock invocation) throws Throwable {
StringBuilder logStringBuilder = invocation.getArgument(1);
logStringBuilder.append("bt-pan device found");
return 0;
}
});
TetheringObservable.setBluetoothTethering(false);
TetheringStateManager.getInstance().init(mockContext);
TetheringStateManager manager = TetheringStateManager.getInstance();
assertTrue(observable.isBluetoothTetheringEnabled());
}
*/
@Test
public void updateWifiTetheringState_ignoreFailingWifiAPReflection_keepsOldValueTrue() throws Exception {
WifiManagerWrapper mockWrapper = mock(WifiManagerWrapper.class);
when(mockWrapper.isWifiAPEnabled()).thenThrow(new NoSuchMethodException());
PowerMockito.whenNew(WifiManagerWrapper.class).withAnyArguments().thenReturn(mockWrapper);
TetheringObservable.setWifiTethering(true, "192.168.43.0/24", "wlan0");
TetheringStateManager.getInstance().init(mockContext);
TetheringStateManager manager = TetheringStateManager.getInstance();
assertTrue(observable.isWifiTetheringEnabled());
}
@Test
public void updateWifiTetheringState_ignoreFailingWifiAPReflection_keepsOldValueFalse() throws Exception {
WifiManagerWrapper mockWrapper = mock(WifiManagerWrapper.class);
when(mockWrapper.isWifiAPEnabled()).thenThrow(new NoSuchMethodException());
PowerMockito.whenNew(WifiManagerWrapper.class).withAnyArguments().thenReturn(mockWrapper);
TetheringObservable.setWifiTethering(false, "", "");
TetheringStateManager.getInstance().init(mockContext);
TetheringStateManager manager = TetheringStateManager.getInstance();
assertFalse(observable.isWifiTetheringEnabled());
}
@Test
public void updateWifiTetheringState_WifiApReflectionWithoutException_changeValueToTrue() throws Exception {
WifiManagerWrapper mockWrapper = mock(WifiManagerWrapper.class);
when(mockWrapper.isWifiAPEnabled()).thenReturn(true);
PowerMockito.whenNew(WifiManagerWrapper.class).withAnyArguments().thenReturn(mockWrapper);
TetheringObservable.setWifiTethering(false, "", "");
TetheringStateManager.getInstance().init(mockContext);
TetheringStateManager manager = TetheringStateManager.getInstance();
assertTrue(observable.isWifiTetheringEnabled());
}
@Test
public void updateWifiTetheringState_WifiApReflectionWithoutException_changeValueToFalse() throws Exception {
WifiManagerWrapper mockWrapper = mock(WifiManagerWrapper.class);
when(mockWrapper.isWifiAPEnabled()).thenReturn(false);
PowerMockito.whenNew(WifiManagerWrapper.class).withAnyArguments().thenReturn(mockWrapper);
TetheringObservable.setWifiTethering(true, "", "");
TetheringStateManager.getInstance().init(mockContext);
TetheringStateManager manager = TetheringStateManager.getInstance();
assertFalse(observable.isWifiTetheringEnabled());
}
@Test
public void testGetWifiAddressRangee_keepsLastSeenAddressAndInterface() throws Exception {
WifiManagerWrapper mockWrapper = mock(WifiManagerWrapper.class);
when(mockWrapper.isWifiAPEnabled()).thenReturn(true);
PowerMockito.whenNew(WifiManagerWrapper.class).withAnyArguments().thenReturn(mockWrapper);
//WifiTethering was switched on
TetheringObservable.setWifiTethering(true, "192.168.40.0/24", "wlan0");
assertEquals("192.168.40.0/24", observable.getTetheringState().wifiAddress);
assertEquals("192.168.40.0/24", observable.getTetheringState().lastSeenWifiAddress);
assertEquals("wlan0", observable.getTetheringState().wifiInterface);
assertEquals("wlan0", observable.getTetheringState().lastSeenWifiInterface);
//Wifi tethering was switched off
TetheringObservable.setWifiTethering(true, "", "");
assertEquals("", observable.getTetheringState().wifiAddress);
assertEquals("192.168.40.0/24", observable.getTetheringState().lastSeenWifiAddress);
assertEquals("", observable.getTetheringState().wifiInterface);
assertEquals("wlan0", observable.getTetheringState().lastSeenWifiInterface);
}
@Test
public void testGetUsbAddressRange_keepsLastSeenAddressAndInterface() throws Exception {
WifiManagerWrapper mockWrapper = mock(WifiManagerWrapper.class);
when(mockWrapper.isWifiAPEnabled()).thenReturn(true);
PowerMockito.whenNew(WifiManagerWrapper.class).withAnyArguments().thenReturn(mockWrapper);
//UsbTethering was switched on
TetheringObservable.setUsbTethering(true, "192.168.40.0/24", "rndis0");
assertEquals("192.168.40.0/24", observable.getTetheringState().usbAddress);
assertEquals("192.168.40.0/24", observable.getTetheringState().lastSeenUsbAddress);
assertEquals("rndis0", observable.getTetheringState().usbInterface);
assertEquals("rndis0", observable.getTetheringState().lastSeenUsbInterface);
//UsbTethering tethering was switched off
TetheringObservable.setUsbTethering(true, "", "");
assertEquals("", observable.getTetheringState().usbAddress);
assertEquals("192.168.40.0/24", observable.getTetheringState().lastSeenUsbAddress);
assertEquals("", observable.getTetheringState().usbInterface);
assertEquals("rndis0", observable.getTetheringState().lastSeenUsbInterface);
}
}