| /* |
| * Copyright (C) 2018 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.wifi; |
| |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.anyInt; |
| import static org.mockito.Mockito.doThrow; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| |
| import android.net.wifi.ITrafficStateCallback; |
| import android.net.wifi.WifiManager; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.test.TestLooper; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| /** |
| * Unit tests for {@link com.android.server.wifi.WifiTrafficPoller}. |
| */ |
| @SmallTest |
| public class WifiTrafficPollerTest extends WifiBaseTest { |
| public static final String TAG = "WifiTrafficPollerTest"; |
| |
| private TestLooper mLooper; |
| private WifiTrafficPoller mWifiTrafficPoller; |
| private final static long DEFAULT_PACKET_COUNT = 10; |
| private final static long TX_PACKET_COUNT = 40; |
| private final static long RX_PACKET_COUNT = 50; |
| private static final int TEST_TRAFFIC_STATE_CALLBACK_IDENTIFIER = 14; |
| private static final int TEST_TRAFFIC_STATE_CALLBACK_IDENTIFIER2 = 42; |
| |
| @Mock IBinder mAppBinder; |
| @Mock ITrafficStateCallback mTrafficStateCallback; |
| |
| @Mock IBinder mAppBinder2; |
| @Mock ITrafficStateCallback mTrafficStateCallback2; |
| |
| /** |
| * Called before each test |
| */ |
| @Before |
| public void setUp() throws Exception { |
| // Ensure looper exists |
| mLooper = new TestLooper(); |
| MockitoAnnotations.initMocks(this); |
| |
| mWifiTrafficPoller = new WifiTrafficPoller(new Handler(mLooper.getLooper())); |
| |
| // Set the current mTxPkts and mRxPkts to DEFAULT_PACKET_COUNT |
| mWifiTrafficPoller.notifyOnDataActivity(DEFAULT_PACKET_COUNT, DEFAULT_PACKET_COUNT); |
| } |
| |
| /** |
| * Verify that clients should be notified of activity in case Tx/Rx packet count changes. |
| */ |
| @Test |
| public void testClientNotification() throws RemoteException { |
| // Register Client to verify that Tx/RX packet message is properly received. |
| mWifiTrafficPoller.addCallback( |
| mAppBinder, mTrafficStateCallback, TEST_TRAFFIC_STATE_CALLBACK_IDENTIFIER); |
| mWifiTrafficPoller.notifyOnDataActivity(TX_PACKET_COUNT, RX_PACKET_COUNT); |
| |
| // Client should get the DATA_ACTIVITY_NOTIFICATION |
| verify(mTrafficStateCallback).onStateChanged( |
| WifiManager.TrafficStateCallback.DATA_ACTIVITY_INOUT); |
| } |
| |
| /** |
| * Verify that remove client should be handled |
| */ |
| @Test |
| public void testRemoveClient() throws RemoteException { |
| // Register Client to verify that Tx/RX packet message is properly received. |
| mWifiTrafficPoller.addCallback( |
| mAppBinder, mTrafficStateCallback, TEST_TRAFFIC_STATE_CALLBACK_IDENTIFIER); |
| mWifiTrafficPoller.removeCallback(TEST_TRAFFIC_STATE_CALLBACK_IDENTIFIER); |
| verify(mAppBinder).unlinkToDeath(any(), anyInt()); |
| |
| mWifiTrafficPoller.notifyOnDataActivity(TX_PACKET_COUNT, RX_PACKET_COUNT); |
| |
| // Client should not get any message after the client is removed. |
| verify(mTrafficStateCallback, never()).onStateChanged(anyInt()); |
| } |
| |
| /** |
| * Verify that remove client ignores when callback identifier is wrong. |
| */ |
| @Test |
| public void testRemoveClientWithWrongIdentifier() throws RemoteException { |
| // Register Client to verify that Tx/RX packet message is properly received. |
| mWifiTrafficPoller.addCallback( |
| mAppBinder, mTrafficStateCallback, TEST_TRAFFIC_STATE_CALLBACK_IDENTIFIER); |
| mWifiTrafficPoller.removeCallback(TEST_TRAFFIC_STATE_CALLBACK_IDENTIFIER + 5); |
| mLooper.dispatchAll(); |
| |
| mWifiTrafficPoller.notifyOnDataActivity(TX_PACKET_COUNT, RX_PACKET_COUNT); |
| |
| // Client should get the DATA_ACTIVITY_NOTIFICATION |
| verify(mTrafficStateCallback).onStateChanged( |
| WifiManager.TrafficStateCallback.DATA_ACTIVITY_INOUT); |
| } |
| |
| /** |
| * |
| * Verify that traffic poller registers for death notification on adding client. |
| */ |
| @Test |
| public void registersForBinderDeathOnAddClient() throws Exception { |
| mWifiTrafficPoller.addCallback( |
| mAppBinder, mTrafficStateCallback, TEST_TRAFFIC_STATE_CALLBACK_IDENTIFIER); |
| verify(mAppBinder).linkToDeath(any(IBinder.DeathRecipient.class), anyInt()); |
| } |
| |
| /** |
| * |
| * Verify that traffic poller registers for death notification on adding client. |
| */ |
| @Test |
| public void addCallbackFailureOnLinkToDeath() throws Exception { |
| doThrow(new RemoteException()) |
| .when(mAppBinder).linkToDeath(any(IBinder.DeathRecipient.class), anyInt()); |
| mWifiTrafficPoller.addCallback( |
| mAppBinder, mTrafficStateCallback, TEST_TRAFFIC_STATE_CALLBACK_IDENTIFIER); |
| verify(mAppBinder).linkToDeath(any(IBinder.DeathRecipient.class), anyInt()); |
| |
| mWifiTrafficPoller.notifyOnDataActivity(TX_PACKET_COUNT, RX_PACKET_COUNT); |
| |
| // Client should not get any message callback add failed. |
| verify(mTrafficStateCallback, never()).onStateChanged(anyInt()); |
| } |
| |
| /** Test that if the data activity didn't change, the client is not notified. */ |
| @Test |
| public void unchangedDataActivityNotNotified() throws Exception { |
| mWifiTrafficPoller.addCallback( |
| mAppBinder, mTrafficStateCallback, TEST_TRAFFIC_STATE_CALLBACK_IDENTIFIER); |
| mWifiTrafficPoller.notifyOnDataActivity(TX_PACKET_COUNT, RX_PACKET_COUNT); |
| |
| verify(mTrafficStateCallback).onStateChanged( |
| WifiManager.TrafficStateCallback.DATA_ACTIVITY_INOUT); |
| |
| // since TX and RX both increased, should still be INOUT. But since it's the same data |
| // activity as before, the callback should not be triggered again. |
| mWifiTrafficPoller.notifyOnDataActivity(TX_PACKET_COUNT + 1, RX_PACKET_COUNT + 1); |
| |
| // still only called once |
| verify(mTrafficStateCallback).onStateChanged(anyInt()); |
| } |
| |
| /** |
| * If there are 2 callbacks, but the data activity only changed for one of them, only that |
| * callback should be triggered. |
| */ |
| @Test |
| public void multipleCallbacksOnlyChangedNotified() throws Exception { |
| mWifiTrafficPoller.addCallback( |
| mAppBinder, mTrafficStateCallback, TEST_TRAFFIC_STATE_CALLBACK_IDENTIFIER); |
| mWifiTrafficPoller.notifyOnDataActivity(TX_PACKET_COUNT, RX_PACKET_COUNT); |
| |
| verify(mTrafficStateCallback).onStateChanged( |
| WifiManager.TrafficStateCallback.DATA_ACTIVITY_INOUT); |
| verify(mTrafficStateCallback2, never()).onStateChanged(anyInt()); |
| |
| mWifiTrafficPoller.addCallback( |
| mAppBinder2, mTrafficStateCallback2, TEST_TRAFFIC_STATE_CALLBACK_IDENTIFIER2); |
| mWifiTrafficPoller.notifyOnDataActivity(TX_PACKET_COUNT + 1, RX_PACKET_COUNT + 1); |
| |
| // still only called once |
| verify(mTrafficStateCallback).onStateChanged(anyInt()); |
| // called for the first time with INOUT |
| verify(mTrafficStateCallback2) |
| .onStateChanged(WifiManager.TrafficStateCallback.DATA_ACTIVITY_INOUT); |
| // not called with anything else |
| verify(mTrafficStateCallback2).onStateChanged(anyInt()); |
| |
| // now only TX increased |
| mWifiTrafficPoller.notifyOnDataActivity(TX_PACKET_COUNT + 2, RX_PACKET_COUNT + 1); |
| |
| // called once with OUT |
| verify(mTrafficStateCallback) |
| .onStateChanged(WifiManager.TrafficStateCallback.DATA_ACTIVITY_OUT); |
| // called twice total |
| verify(mTrafficStateCallback, times(2)).onStateChanged(anyInt()); |
| |
| // called once with OUT |
| verify(mTrafficStateCallback2) |
| .onStateChanged(WifiManager.TrafficStateCallback.DATA_ACTIVITY_OUT); |
| // called twice total |
| verify(mTrafficStateCallback2, times(2)).onStateChanged(anyInt()); |
| } |
| } |