| /* |
| * Copyright (C) 2012 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.server; |
| |
| import android.content.Context; |
| import android.net.LocalSocket; |
| import android.net.LocalServerSocket; |
| import android.os.Binder; |
| import android.test.AndroidTestCase; |
| import android.test.suitebuilder.annotation.LargeTest; |
| import com.android.server.net.BaseNetworkObserver; |
| |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.reset; |
| import static org.mockito.Mockito.timeout; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| /** |
| * Tests for {@link NetworkManagementService}. |
| */ |
| @LargeTest |
| public class NetworkManagementServiceTest extends AndroidTestCase { |
| |
| private static final String SOCKET_NAME = "__test__NetworkManagementServiceTest"; |
| private NetworkManagementService mNMService; |
| private LocalServerSocket mServerSocket; |
| private LocalSocket mSocket; |
| private OutputStream mOutputStream; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| // TODO: make this unnecessary. runtest might already make it unnecessary. |
| System.setProperty("dexmaker.dexcache", getContext().getCacheDir().toString()); |
| |
| // Set up a sheltered test environment. |
| BroadcastInterceptingContext context = new BroadcastInterceptingContext(getContext()); |
| mServerSocket = new LocalServerSocket(SOCKET_NAME); |
| |
| // Start the service and wait until it connects to our socket. |
| mNMService = NetworkManagementService.create(context, SOCKET_NAME); |
| mSocket = mServerSocket.accept(); |
| mOutputStream = mSocket.getOutputStream(); |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| if (mSocket != null) mSocket.close(); |
| if (mServerSocket != null) mServerSocket.close(); |
| super.tearDown(); |
| } |
| |
| /** |
| * Sends a message on the netd socket and gives the events some time to make it back. |
| */ |
| private void sendMessage(String message) throws IOException { |
| // Strings are null-terminated, so add "\0" at the end. |
| mOutputStream.write((message + "\0").getBytes()); |
| } |
| |
| private static <T> T expectSoon(T mock) { |
| return verify(mock, timeout(100)); |
| } |
| |
| /** |
| * Tests that network observers work properly. |
| */ |
| public void testNetworkObservers() throws Exception { |
| BaseNetworkObserver observer = mock(BaseNetworkObserver.class); |
| doReturn(new Binder()).when(observer).asBinder(); // Used by registerObserver. |
| mNMService.registerObserver(observer); |
| |
| // Forget everything that happened to the mock so far, so we can explicitly verify |
| // everything that happens and does not happen to it from now on. |
| reset(observer); |
| |
| // Now send NetworkManagementService messages and ensure that the observer methods are |
| // called. After every valid message we expect a callback soon after; to ensure that |
| // invalid messages don't cause any callbacks, we call verifyNoMoreInteractions at the end. |
| |
| /** |
| * Interface changes. |
| */ |
| sendMessage("600 Iface added rmnet12"); |
| expectSoon(observer).interfaceAdded("rmnet12"); |
| |
| sendMessage("600 Iface removed eth1"); |
| expectSoon(observer).interfaceRemoved("eth1"); |
| |
| sendMessage("607 Iface removed eth1"); |
| // Invalid code. |
| |
| sendMessage("600 Iface borked lo down"); |
| // Invalid event. |
| |
| sendMessage("600 Iface changed clat4 up again"); |
| // Extra tokens. |
| |
| sendMessage("600 Iface changed clat4 up"); |
| expectSoon(observer).interfaceStatusChanged("clat4", true); |
| |
| sendMessage("600 Iface linkstate rmnet0 down"); |
| expectSoon(observer).interfaceLinkStateChanged("rmnet0", false); |
| |
| sendMessage("600 IFACE linkstate clat4 up"); |
| // Invalid group. |
| |
| /** |
| * Bandwidth control events. |
| */ |
| sendMessage("601 limit alert data rmnet_usb0"); |
| expectSoon(observer).limitReached("data", "rmnet_usb0"); |
| |
| sendMessage("601 invalid alert data rmnet0"); |
| // Invalid group. |
| |
| sendMessage("601 limit increased data rmnet0"); |
| // Invalid event. |
| |
| |
| /** |
| * Interface class activity. |
| */ |
| sendMessage("613 IfaceClass active rmnet0"); |
| expectSoon(observer).interfaceClassDataActivityChanged("rmnet0", true); |
| |
| sendMessage("613 IfaceClass idle eth0"); |
| expectSoon(observer).interfaceClassDataActivityChanged("eth0", false); |
| |
| sendMessage("613 IfaceClass reallyactive rmnet0"); |
| expectSoon(observer).interfaceClassDataActivityChanged("rmnet0", false); |
| |
| sendMessage("613 InterfaceClass reallyactive rmnet0"); |
| // Invalid group. |
| |
| |
| /** |
| * IP address changes. |
| */ |
| sendMessage("614 Address updated fe80::1/64 wlan0 128 253"); |
| expectSoon(observer).addressUpdated("fe80::1/64", "wlan0", 128, 253); |
| |
| // There is no "added". |
| sendMessage("614 Address added fe80::1/64 wlan0 128 253"); |
| expectSoon(observer).addressRemoved("fe80::1/64", "wlan0", 128, 253); |
| |
| sendMessage("614 Address removed 2001:db8::1/64 wlan0 1 0"); |
| expectSoon(observer).addressRemoved("2001:db8::1/64", "wlan0", 1, 0); |
| |
| sendMessage("666 Address added 2001:db8::1/64 wlan0 1 0"); |
| // Invalid code. |
| |
| // Make sure nothing else was called. |
| verifyNoMoreInteractions(observer); |
| } |
| } |