| /* |
| * 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 com.android.server.connectivity.tethering; |
| |
| import static android.net.ConnectivityManager.TYPE_MOBILE_DUN; |
| import static android.net.ConnectivityManager.TYPE_MOBILE_HIPRI; |
| import static android.net.NetworkCapabilities.NET_CAPABILITY_DUN; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| import static org.mockito.Mockito.any; |
| import static org.mockito.Mockito.anyInt; |
| import static org.mockito.Mockito.reset; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| |
| import android.content.Context; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.net.ConnectivityManager; |
| import android.net.ConnectivityManager.NetworkCallback; |
| import android.net.IConnectivityManager; |
| import android.net.Network; |
| import android.net.NetworkCapabilities; |
| import android.net.NetworkRequest; |
| |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import com.android.internal.util.State; |
| import com.android.internal.util.StateMachine; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.runner.RunWith; |
| import org.junit.Test; |
| import org.mockito.Mock; |
| import org.mockito.Mockito; |
| import org.mockito.MockitoAnnotations; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class UpstreamNetworkMonitorTest { |
| private static final int EVENT_UNM_UPDATE = 1; |
| |
| @Mock private Context mContext; |
| @Mock private IConnectivityManager mCS; |
| |
| private TestStateMachine mSM; |
| private TestConnectivityManager mCM; |
| private UpstreamNetworkMonitor mUNM; |
| |
| @Before public void setUp() throws Exception { |
| MockitoAnnotations.initMocks(this); |
| reset(mContext); |
| reset(mCS); |
| |
| mCM = spy(new TestConnectivityManager(mContext, mCS)); |
| mSM = new TestStateMachine(); |
| mUNM = new UpstreamNetworkMonitor(mSM, EVENT_UNM_UPDATE, (ConnectivityManager) mCM); |
| } |
| |
| @After public void tearDown() throws Exception { |
| if (mSM != null) { |
| mSM.quit(); |
| mSM = null; |
| } |
| } |
| |
| @Test |
| public void testDoesNothingBeforeStarted() { |
| assertTrue(mCM.hasNoCallbacks()); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| |
| mUNM.updateMobileRequiresDun(true); |
| assertTrue(mCM.hasNoCallbacks()); |
| mUNM.updateMobileRequiresDun(false); |
| assertTrue(mCM.hasNoCallbacks()); |
| } |
| |
| @Test |
| public void testDefaultNetworkIsTracked() throws Exception { |
| assertEquals(0, mCM.trackingDefault.size()); |
| |
| mUNM.start(); |
| assertEquals(1, mCM.trackingDefault.size()); |
| |
| mUNM.stop(); |
| assertTrue(mCM.hasNoCallbacks()); |
| } |
| |
| @Test |
| public void testListensForAllNetworks() throws Exception { |
| assertTrue(mCM.listening.isEmpty()); |
| |
| mUNM.start(); |
| assertFalse(mCM.listening.isEmpty()); |
| assertTrue(mCM.isListeningForAll()); |
| |
| mUNM.stop(); |
| assertTrue(mCM.hasNoCallbacks()); |
| } |
| |
| @Test |
| public void testRequestsMobileNetwork() throws Exception { |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.start(); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.updateMobileRequiresDun(false); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.registerMobileNetworkRequest(); |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_HIPRI); |
| assertFalse(mCM.isDunRequested()); |
| |
| mUNM.stop(); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertTrue(mCM.hasNoCallbacks()); |
| } |
| |
| @Test |
| public void testDuplicateMobileRequestsIgnored() throws Exception { |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.start(); |
| verify(mCM, Mockito.times(1)).registerNetworkCallback( |
| any(NetworkRequest.class), any(NetworkCallback.class), any(Handler.class)); |
| verify(mCM, Mockito.times(1)).registerDefaultNetworkCallback( |
| any(NetworkCallback.class), any(Handler.class)); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.updateMobileRequiresDun(true); |
| mUNM.registerMobileNetworkRequest(); |
| verify(mCM, Mockito.times(1)).requestNetwork( |
| any(NetworkRequest.class), any(NetworkCallback.class), anyInt(), anyInt(), |
| any(Handler.class)); |
| |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_DUN); |
| assertTrue(mCM.isDunRequested()); |
| |
| // Try a few things that must not result in any state change. |
| mUNM.registerMobileNetworkRequest(); |
| mUNM.updateMobileRequiresDun(true); |
| mUNM.registerMobileNetworkRequest(); |
| |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_DUN); |
| assertTrue(mCM.isDunRequested()); |
| |
| mUNM.stop(); |
| verify(mCM, times(3)).unregisterNetworkCallback(any(NetworkCallback.class)); |
| |
| verifyNoMoreInteractions(mCM); |
| } |
| |
| @Test |
| public void testRequestsDunNetwork() throws Exception { |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.start(); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.updateMobileRequiresDun(true); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertEquals(0, mCM.requested.size()); |
| |
| mUNM.registerMobileNetworkRequest(); |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_DUN); |
| assertTrue(mCM.isDunRequested()); |
| |
| mUNM.stop(); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| assertTrue(mCM.hasNoCallbacks()); |
| } |
| |
| @Test |
| public void testUpdateMobileRequiresDun() throws Exception { |
| mUNM.start(); |
| |
| // Test going from no-DUN to DUN correctly re-registers callbacks. |
| mUNM.updateMobileRequiresDun(false); |
| mUNM.registerMobileNetworkRequest(); |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_HIPRI); |
| assertFalse(mCM.isDunRequested()); |
| mUNM.updateMobileRequiresDun(true); |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_DUN); |
| assertTrue(mCM.isDunRequested()); |
| |
| // Test going from DUN to no-DUN correctly re-registers callbacks. |
| mUNM.updateMobileRequiresDun(false); |
| assertTrue(mUNM.mobileNetworkRequested()); |
| assertUpstreamTypeRequested(TYPE_MOBILE_HIPRI); |
| assertFalse(mCM.isDunRequested()); |
| |
| mUNM.stop(); |
| assertFalse(mUNM.mobileNetworkRequested()); |
| } |
| |
| private void assertUpstreamTypeRequested(int upstreamType) throws Exception { |
| assertEquals(1, mCM.requested.size()); |
| assertEquals(1, mCM.legacyTypeMap.size()); |
| assertEquals(Integer.valueOf(upstreamType), |
| mCM.legacyTypeMap.values().iterator().next()); |
| } |
| |
| public static class TestConnectivityManager extends ConnectivityManager { |
| public Map<NetworkCallback, Handler> allCallbacks = new HashMap<>(); |
| public Set<NetworkCallback> trackingDefault = new HashSet<>(); |
| public Map<NetworkCallback, NetworkRequest> listening = new HashMap<>(); |
| public Map<NetworkCallback, NetworkRequest> requested = new HashMap<>(); |
| public Map<NetworkCallback, Integer> legacyTypeMap = new HashMap<>(); |
| |
| public TestConnectivityManager(Context ctx, IConnectivityManager svc) { |
| super(ctx, svc); |
| } |
| |
| boolean hasNoCallbacks() { |
| return allCallbacks.isEmpty() && |
| trackingDefault.isEmpty() && |
| listening.isEmpty() && |
| requested.isEmpty() && |
| legacyTypeMap.isEmpty(); |
| } |
| |
| boolean isListeningForAll() { |
| final NetworkCapabilities empty = new NetworkCapabilities(); |
| empty.clearAll(); |
| |
| for (NetworkRequest req : listening.values()) { |
| if (req.networkCapabilities.equalRequestableCapabilities(empty)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| boolean isDunRequested() { |
| for (NetworkRequest req : requested.values()) { |
| if (req.networkCapabilities.hasCapability(NET_CAPABILITY_DUN)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public void requestNetwork(NetworkRequest req, NetworkCallback cb, Handler h) { |
| assertFalse(allCallbacks.containsKey(cb)); |
| allCallbacks.put(cb, h); |
| assertFalse(requested.containsKey(cb)); |
| requested.put(cb, req); |
| } |
| |
| @Override |
| public void requestNetwork(NetworkRequest req, NetworkCallback cb) { |
| fail("Should never be called."); |
| } |
| |
| @Override |
| public void requestNetwork(NetworkRequest req, NetworkCallback cb, |
| int timeoutMs, int legacyType, Handler h) { |
| assertFalse(allCallbacks.containsKey(cb)); |
| allCallbacks.put(cb, h); |
| assertFalse(requested.containsKey(cb)); |
| requested.put(cb, req); |
| assertFalse(legacyTypeMap.containsKey(cb)); |
| if (legacyType != ConnectivityManager.TYPE_NONE) { |
| legacyTypeMap.put(cb, legacyType); |
| } |
| } |
| |
| @Override |
| public void registerNetworkCallback(NetworkRequest req, NetworkCallback cb, Handler h) { |
| assertFalse(allCallbacks.containsKey(cb)); |
| allCallbacks.put(cb, h); |
| assertFalse(listening.containsKey(cb)); |
| listening.put(cb, req); |
| } |
| |
| @Override |
| public void registerNetworkCallback(NetworkRequest req, NetworkCallback cb) { |
| fail("Should never be called."); |
| } |
| |
| @Override |
| public void registerDefaultNetworkCallback(NetworkCallback cb, Handler h) { |
| assertFalse(allCallbacks.containsKey(cb)); |
| allCallbacks.put(cb, h); |
| assertFalse(trackingDefault.contains(cb)); |
| trackingDefault.add(cb); |
| } |
| |
| @Override |
| public void registerDefaultNetworkCallback(NetworkCallback cb) { |
| fail("Should never be called."); |
| } |
| |
| @Override |
| public void unregisterNetworkCallback(NetworkCallback cb) { |
| if (trackingDefault.contains(cb)) { |
| trackingDefault.remove(cb); |
| } else if (listening.containsKey(cb)) { |
| listening.remove(cb); |
| } else if (requested.containsKey(cb)) { |
| requested.remove(cb); |
| legacyTypeMap.remove(cb); |
| } else { |
| fail("Unexpected callback removed"); |
| } |
| allCallbacks.remove(cb); |
| |
| assertFalse(allCallbacks.containsKey(cb)); |
| assertFalse(trackingDefault.contains(cb)); |
| assertFalse(listening.containsKey(cb)); |
| assertFalse(requested.containsKey(cb)); |
| } |
| } |
| |
| public static class TestStateMachine extends StateMachine { |
| public final ArrayList<Message> messages = new ArrayList<>(); |
| private final State mLoggingState = new LoggingState(); |
| |
| class LoggingState extends State { |
| @Override public void enter() { messages.clear(); } |
| |
| @Override public void exit() { messages.clear(); } |
| |
| @Override public boolean processMessage(Message msg) { |
| messages.add(msg); |
| return true; |
| } |
| } |
| |
| public TestStateMachine() { |
| super("UpstreamNetworkMonitor.TestStateMachine"); |
| addState(mLoggingState); |
| setInitialState(mLoggingState); |
| super.start(); |
| } |
| } |
| } |