android_packages_modules_Co.../tests/unit/java/android/net/ConnectivityManagerTest.java
Remi NGUYEN VAN 2fd3823cbc Only send callbacks when overridden
Most users of NetworkCallback do not override all methods, so callbacks
from ConnectivityService end up being unused by the app.

To save resources, check which callback methods are overridden in
ConnectivityManager, and inform ConnectivityService so it can skip
preparing and sending the corresponding binder calls when the callback
is not used by the app.

This is flagged off by default.

Test: flag enabled: atest CtsNetTestCases ConnectivityCoverageTests
Bug: 327038794
Bug: 279392981

Change-Id: Iaf490f416fb6e1437d40497fba1a40a899a9f523
2024-06-26 12:39:47 +09:00

672 lines
29 KiB
Java

/*
* 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 android.net;
import static android.net.ConnectivityManager.TYPE_NONE;
import static android.net.NetworkCapabilities.NET_CAPABILITY_CBS;
import static android.net.NetworkCapabilities.NET_CAPABILITY_DUN;
import static android.net.NetworkCapabilities.NET_CAPABILITY_FOTA;
import static android.net.NetworkCapabilities.NET_CAPABILITY_IMS;
import static android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET;
import static android.net.NetworkCapabilities.NET_CAPABILITY_MMS;
import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED;
import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_VPN;
import static android.net.NetworkCapabilities.NET_CAPABILITY_SUPL;
import static android.net.NetworkCapabilities.NET_CAPABILITY_TRUSTED;
import static android.net.NetworkCapabilities.NET_CAPABILITY_WIFI_P2P;
import static android.net.NetworkCapabilities.TRANSPORT_BLUETOOTH;
import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
import static android.net.NetworkCapabilities.TRANSPORT_ETHERNET;
import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
import static android.net.NetworkRequest.Type.BACKGROUND_REQUEST;
import static android.net.NetworkRequest.Type.REQUEST;
import static android.net.NetworkRequest.Type.TRACK_DEFAULT;
import static android.net.NetworkRequest.Type.TRACK_SYSTEM_DEFAULT;
import static com.android.testutils.MiscAsserts.assertThrows;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.ArgumentMatchers.anyBoolean;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.ArgumentMatchers.nullable;
import static org.mockito.Mockito.CALLS_REAL_METHODS;
import static org.mockito.Mockito.after;
import static org.mockito.Mockito.any;
import static org.mockito.Mockito.anyInt;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.timeout;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import android.app.PendingIntent;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.net.ConnectivityManager.NetworkCallback;
import android.os.Build.VERSION_CODES;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.os.Messenger;
import android.os.Process;
import androidx.annotation.NonNull;
import androidx.test.filters.SmallTest;
import com.android.internal.util.test.BroadcastInterceptingContext;
import com.android.testutils.DevSdkIgnoreRule;
import com.android.testutils.DevSdkIgnoreRunner;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.InOrder;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import java.lang.ref.WeakReference;
@RunWith(DevSdkIgnoreRunner.class)
@SmallTest
@DevSdkIgnoreRule.IgnoreUpTo(VERSION_CODES.R)
public class ConnectivityManagerTest {
@Rule
public final DevSdkIgnoreRule mIgnoreRule = new DevSdkIgnoreRule();
private static final int TIMEOUT_MS = 30_000;
private static final int SHORT_TIMEOUT_MS = 150;
@Mock Context mCtx;
@Mock IConnectivityManager mService;
@Mock NetworkPolicyManager mNpm;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
}
static NetworkCapabilities verifyNetworkCapabilities(
int legacyType, int transportType, int... capabilities) {
final NetworkCapabilities nc = ConnectivityManager.networkCapabilitiesForType(legacyType);
assertNotNull(nc);
assertTrue(nc.hasTransport(transportType));
for (int capability : capabilities) {
assertTrue(nc.hasCapability(capability));
}
return nc;
}
static void verifyUnrestrictedNetworkCapabilities(int legacyType, int transportType) {
verifyNetworkCapabilities(
legacyType,
transportType,
NET_CAPABILITY_INTERNET,
NET_CAPABILITY_NOT_RESTRICTED,
NET_CAPABILITY_NOT_VPN,
NET_CAPABILITY_TRUSTED);
}
static void verifyRestrictedMobileNetworkCapabilities(int legacyType, int capability) {
final NetworkCapabilities nc = verifyNetworkCapabilities(
legacyType,
TRANSPORT_CELLULAR,
capability,
NET_CAPABILITY_NOT_VPN,
NET_CAPABILITY_TRUSTED);
assertFalse(nc.hasCapability(NET_CAPABILITY_INTERNET));
assertFalse(nc.hasCapability(NET_CAPABILITY_NOT_RESTRICTED));
}
@Test
public void testNetworkCapabilitiesForTypeMobile() {
verifyUnrestrictedNetworkCapabilities(
ConnectivityManager.TYPE_MOBILE, TRANSPORT_CELLULAR);
}
@Test
public void testNetworkCapabilitiesForTypeMobileCbs() {
verifyRestrictedMobileNetworkCapabilities(
ConnectivityManager.TYPE_MOBILE_CBS, NET_CAPABILITY_CBS);
}
@Test
public void testNetworkCapabilitiesForTypeMobileDun() {
verifyRestrictedMobileNetworkCapabilities(
ConnectivityManager.TYPE_MOBILE_DUN, NET_CAPABILITY_DUN);
}
@Test
public void testNetworkCapabilitiesForTypeMobileFota() {
verifyRestrictedMobileNetworkCapabilities(
ConnectivityManager.TYPE_MOBILE_FOTA, NET_CAPABILITY_FOTA);
}
@Test
public void testNetworkCapabilitiesForTypeMobileHipri() {
verifyUnrestrictedNetworkCapabilities(
ConnectivityManager.TYPE_MOBILE_HIPRI, TRANSPORT_CELLULAR);
}
@Test
public void testNetworkCapabilitiesForTypeMobileIms() {
verifyRestrictedMobileNetworkCapabilities(
ConnectivityManager.TYPE_MOBILE_IMS, NET_CAPABILITY_IMS);
}
@Test
public void testNetworkCapabilitiesForTypeMobileMms() {
final NetworkCapabilities nc = verifyNetworkCapabilities(
ConnectivityManager.TYPE_MOBILE_MMS,
TRANSPORT_CELLULAR,
NET_CAPABILITY_MMS,
NET_CAPABILITY_NOT_VPN,
NET_CAPABILITY_TRUSTED);
assertFalse(nc.hasCapability(NET_CAPABILITY_INTERNET));
}
@Test
public void testNetworkCapabilitiesForTypeMobileSupl() {
final NetworkCapabilities nc = verifyNetworkCapabilities(
ConnectivityManager.TYPE_MOBILE_SUPL,
TRANSPORT_CELLULAR,
NET_CAPABILITY_SUPL,
NET_CAPABILITY_NOT_VPN,
NET_CAPABILITY_TRUSTED);
assertFalse(nc.hasCapability(NET_CAPABILITY_INTERNET));
}
@Test
public void testNetworkCapabilitiesForTypeWifi() {
verifyUnrestrictedNetworkCapabilities(
ConnectivityManager.TYPE_WIFI, TRANSPORT_WIFI);
}
@Test
public void testNetworkCapabilitiesForTypeWifiP2p() {
final NetworkCapabilities nc = verifyNetworkCapabilities(
ConnectivityManager.TYPE_WIFI_P2P,
TRANSPORT_WIFI,
NET_CAPABILITY_NOT_RESTRICTED, NET_CAPABILITY_NOT_VPN,
NET_CAPABILITY_TRUSTED, NET_CAPABILITY_WIFI_P2P);
assertFalse(nc.hasCapability(NET_CAPABILITY_INTERNET));
}
@Test
public void testNetworkCapabilitiesForTypeBluetooth() {
verifyUnrestrictedNetworkCapabilities(
ConnectivityManager.TYPE_BLUETOOTH, TRANSPORT_BLUETOOTH);
}
@Test
public void testNetworkCapabilitiesForTypeEthernet() {
verifyUnrestrictedNetworkCapabilities(
ConnectivityManager.TYPE_ETHERNET, TRANSPORT_ETHERNET);
}
@Test
public void testCallbackRelease() throws Exception {
ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
NetworkRequest request = makeRequest(1);
NetworkCallback callback = mock(ConnectivityManager.NetworkCallback.class,
CALLS_REAL_METHODS);
Handler handler = new Handler(Looper.getMainLooper());
ArgumentCaptor<Messenger> captor = ArgumentCaptor.forClass(Messenger.class);
// register callback
when(mService.requestNetwork(anyInt(), any(), anyInt(), captor.capture(), anyInt(), any(),
anyInt(), anyInt(), any(), nullable(String.class), anyInt())).thenReturn(request);
manager.requestNetwork(request, callback, handler);
// callback triggers
captor.getValue().send(makeMessage(request, ConnectivityManager.CALLBACK_AVAILABLE));
verify(callback, timeout(TIMEOUT_MS).times(1)).onAvailable(any(Network.class),
any(NetworkCapabilities.class), any(LinkProperties.class), anyBoolean());
// unregister callback
manager.unregisterNetworkCallback(callback);
verify(mService, times(1)).releaseNetworkRequest(request);
// callback does not trigger anymore.
captor.getValue().send(makeMessage(request, ConnectivityManager.CALLBACK_LOSING));
verify(callback, after(SHORT_TIMEOUT_MS).never()).onLosing(any(), anyInt());
}
@Test
public void testCallbackRecycling() throws Exception {
ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
NetworkRequest req1 = makeRequest(1);
NetworkRequest req2 = makeRequest(2);
NetworkCallback callback = mock(ConnectivityManager.NetworkCallback.class,
CALLS_REAL_METHODS);
Handler handler = new Handler(Looper.getMainLooper());
ArgumentCaptor<Messenger> captor = ArgumentCaptor.forClass(Messenger.class);
// register callback
when(mService.requestNetwork(anyInt(), any(), anyInt(), captor.capture(), anyInt(), any(),
anyInt(), anyInt(), any(), nullable(String.class), anyInt())).thenReturn(req1);
manager.requestNetwork(req1, callback, handler);
// callback triggers
captor.getValue().send(makeMessage(req1, ConnectivityManager.CALLBACK_AVAILABLE));
verify(callback, timeout(TIMEOUT_MS).times(1)).onAvailable(any(Network.class),
any(NetworkCapabilities.class), any(LinkProperties.class), anyBoolean());
// unregister callback
manager.unregisterNetworkCallback(callback);
verify(mService, times(1)).releaseNetworkRequest(req1);
// callback does not trigger anymore.
captor.getValue().send(makeMessage(req1, ConnectivityManager.CALLBACK_LOSING));
verify(callback, after(SHORT_TIMEOUT_MS).never()).onLosing(any(), anyInt());
// callback can be registered again
when(mService.requestNetwork(anyInt(), any(), anyInt(), captor.capture(), anyInt(), any(),
anyInt(), anyInt(), any(), nullable(String.class), anyInt())).thenReturn(req2);
manager.requestNetwork(req2, callback, handler);
// callback triggers
captor.getValue().send(makeMessage(req2, ConnectivityManager.CALLBACK_LOST));
verify(callback, timeout(TIMEOUT_MS).times(1)).onLost(any());
// unregister callback
manager.unregisterNetworkCallback(callback);
verify(mService, times(1)).releaseNetworkRequest(req2);
}
// TODO: turn on this test when request callback 1:1 mapping is enforced
//@Test
private void noDoubleCallbackRegistration() throws Exception {
ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
NetworkRequest request = makeRequest(1);
NetworkCallback callback = new ConnectivityManager.NetworkCallback();
ApplicationInfo info = new ApplicationInfo();
// TODO: update version when starting to enforce 1:1 mapping
info.targetSdkVersion = VERSION_CODES.N_MR1 + 1;
when(mCtx.getApplicationInfo()).thenReturn(info);
when(mService.requestNetwork(anyInt(), any(), anyInt(), any(), anyInt(), any(), anyInt(),
anyInt(), any(), nullable(String.class), anyInt())).thenReturn(request);
Handler handler = new Handler(Looper.getMainLooper());
manager.requestNetwork(request, callback, handler);
// callback is already registered, reregistration should fail.
Class<IllegalArgumentException> wantException = IllegalArgumentException.class;
expectThrowable(() -> manager.requestNetwork(request, callback), wantException);
manager.unregisterNetworkCallback(callback);
verify(mService, times(1)).releaseNetworkRequest(request);
// unregistering the callback should make it registrable again.
manager.requestNetwork(request, callback);
}
@Test
public void testDefaultNetworkActiveListener() throws Exception {
final ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
final ConnectivityManager.OnNetworkActiveListener listener =
mock(ConnectivityManager.OnNetworkActiveListener.class);
assertThrows(IllegalArgumentException.class,
() -> manager.removeDefaultNetworkActiveListener(listener));
manager.addDefaultNetworkActiveListener(listener);
verify(mService, times(1)).registerNetworkActivityListener(any());
manager.removeDefaultNetworkActiveListener(listener);
verify(mService, times(1)).unregisterNetworkActivityListener(any());
assertThrows(IllegalArgumentException.class,
() -> manager.removeDefaultNetworkActiveListener(listener));
}
@Test
public void testArgumentValidation() throws Exception {
ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
NetworkRequest request = mock(NetworkRequest.class);
NetworkCallback callback = mock(NetworkCallback.class);
Handler handler = mock(Handler.class);
NetworkCallback nullCallback = null;
PendingIntent nullIntent = null;
mustFail(() -> manager.requestNetwork(null, callback));
mustFail(() -> manager.requestNetwork(request, nullCallback));
mustFail(() -> manager.requestNetwork(request, callback, null));
mustFail(() -> manager.requestNetwork(request, callback, -1));
mustFail(() -> manager.requestNetwork(request, nullIntent));
mustFail(() -> manager.requestBackgroundNetwork(null, callback, handler));
mustFail(() -> manager.requestBackgroundNetwork(request, null, handler));
mustFail(() -> manager.requestBackgroundNetwork(request, callback, null));
mustFail(() -> manager.registerNetworkCallback(null, callback, handler));
mustFail(() -> manager.registerNetworkCallback(request, null, handler));
mustFail(() -> manager.registerNetworkCallback(request, callback, null));
mustFail(() -> manager.registerNetworkCallback(request, nullIntent));
mustFail(() -> manager.registerDefaultNetworkCallback(null, handler));
mustFail(() -> manager.registerDefaultNetworkCallback(callback, null));
mustFail(() -> manager.registerSystemDefaultNetworkCallback(null, handler));
mustFail(() -> manager.registerSystemDefaultNetworkCallback(callback, null));
mustFail(() -> manager.registerBestMatchingNetworkCallback(null, callback, handler));
mustFail(() -> manager.registerBestMatchingNetworkCallback(request, null, handler));
mustFail(() -> manager.registerBestMatchingNetworkCallback(request, callback, null));
mustFail(() -> manager.unregisterNetworkCallback(nullCallback));
mustFail(() -> manager.unregisterNetworkCallback(nullIntent));
mustFail(() -> manager.releaseNetworkRequest(nullIntent));
}
static void mustFail(Runnable fn) {
try {
fn.run();
fail();
} catch (Exception expected) {
}
}
@Test
public void testRequestType() throws Exception {
final String testPkgName = "MyPackage";
final String testAttributionTag = "MyTag";
final ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
when(mCtx.getOpPackageName()).thenReturn(testPkgName);
when(mCtx.getAttributionTag()).thenReturn(testAttributionTag);
final NetworkRequest request = makeRequest(1);
final NetworkCallback callback = new ConnectivityManager.NetworkCallback();
manager.requestNetwork(request, callback);
verify(mService).requestNetwork(eq(Process.INVALID_UID), eq(request.networkCapabilities),
eq(REQUEST.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
eq(testPkgName), eq(testAttributionTag), anyInt());
reset(mService);
// Verify that register network callback does not calls requestNetwork at all.
manager.registerNetworkCallback(request, callback);
verify(mService, never()).requestNetwork(anyInt(), any(), anyInt(), any(), anyInt(), any(),
anyInt(), anyInt(), any(), any(), anyInt());
verify(mService).listenForNetwork(eq(request.networkCapabilities), any(), any(), anyInt(),
eq(testPkgName), eq(testAttributionTag), anyInt());
reset(mService);
Handler handler = new Handler(ConnectivityThread.getInstanceLooper());
manager.registerDefaultNetworkCallback(callback);
verify(mService).requestNetwork(eq(Process.INVALID_UID), eq(null),
eq(TRACK_DEFAULT.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
eq(testPkgName), eq(testAttributionTag), anyInt());
reset(mService);
manager.registerDefaultNetworkCallbackForUid(42, callback, handler);
verify(mService).requestNetwork(eq(42), eq(null),
eq(TRACK_DEFAULT.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
eq(testPkgName), eq(testAttributionTag), anyInt());
manager.requestBackgroundNetwork(request, callback, handler);
verify(mService).requestNetwork(eq(Process.INVALID_UID), eq(request.networkCapabilities),
eq(BACKGROUND_REQUEST.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
eq(testPkgName), eq(testAttributionTag), anyInt());
reset(mService);
manager.registerSystemDefaultNetworkCallback(callback, handler);
verify(mService).requestNetwork(eq(Process.INVALID_UID), eq(null),
eq(TRACK_SYSTEM_DEFAULT.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
eq(testPkgName), eq(testAttributionTag), anyInt());
reset(mService);
}
static Message makeMessage(NetworkRequest req, int messageType) {
Bundle bundle = new Bundle();
bundle.putParcelable(NetworkRequest.class.getSimpleName(), req);
// Pass default objects as we don't care which get passed here
bundle.putParcelable(Network.class.getSimpleName(), new Network(1));
bundle.putParcelable(NetworkCapabilities.class.getSimpleName(), new NetworkCapabilities());
bundle.putParcelable(LinkProperties.class.getSimpleName(), new LinkProperties());
Message msg = Message.obtain();
msg.what = messageType;
msg.setData(bundle);
return msg;
}
static NetworkRequest makeRequest(int requestId) {
NetworkRequest request = new NetworkRequest.Builder().clearCapabilities().build();
return new NetworkRequest(request.networkCapabilities, ConnectivityManager.TYPE_NONE,
requestId, NetworkRequest.Type.NONE);
}
static void expectThrowable(Runnable block, Class<? extends Throwable> throwableType) {
try {
block.run();
} catch (Throwable t) {
if (t.getClass().equals(throwableType)) {
return;
}
fail("expected exception of type " + throwableType + ", but was " + t.getClass());
}
fail("expected exception of type " + throwableType);
}
private static class MockContext extends BroadcastInterceptingContext {
MockContext(Context base) {
super(base);
}
@Override
public Context getApplicationContext() {
return mock(Context.class);
}
}
private WeakReference<Context> makeConnectivityManagerAndReturnContext() {
// Mockito may have an internal reference to the mock, creating MockContext for testing.
final Context c = new MockContext(mock(Context.class));
new ConnectivityManager(c, mService);
return new WeakReference<>(c);
}
private void forceGC() {
// First GC ensures that objects are collected for finalization, then second GC ensures
// they're garbage-collected after being finalized.
System.gc();
System.runFinalization();
System.gc();
}
@Test
public void testConnectivityManagerDoesNotLeakContext() throws Exception {
final WeakReference<Context> ref = makeConnectivityManagerAndReturnContext();
final int attempts = 600;
final long waitIntervalMs = 50;
for (int i = 0; i < attempts; i++) {
forceGC();
if (ref.get() == null) break;
Thread.sleep(waitIntervalMs);
}
assertNull("ConnectivityManager weak reference still not null after " + attempts
+ " attempts", ref.get());
}
@Test
public void testDeclaredMethodsFlag_requestWithMixedMethods_RegistrationFlagsMatch()
throws Exception {
doReturn(ConnectivityManager.FEATURE_USE_DECLARED_METHODS_FOR_CALLBACKS)
.when(mService).getEnabledConnectivityManagerFeatures();
final ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
final NetworkRequest request = new NetworkRequest.Builder().build();
final NetworkCallback callback1 = new ConnectivityManager.NetworkCallback() {
@Override
public void onPreCheck(@NonNull Network network) {}
@Override
public void onAvailable(@NonNull Network network) {}
@Override
public void onLost(@NonNull Network network) {}
@Override
public void onCapabilitiesChanged(@NonNull Network network,
@NonNull NetworkCapabilities networkCapabilities) {}
@Override
public void onLocalNetworkInfoChanged(@NonNull Network network,
@NonNull LocalNetworkInfo localNetworkInfo) {}
@Override
public void onNetworkResumed(@NonNull Network network) {}
@Override
public void onBlockedStatusChanged(@NonNull Network network, int blocked) {}
};
manager.requestNetwork(request, callback1);
final InOrder inOrder = inOrder(mService);
inOrder.verify(mService).requestNetwork(
anyInt(), any(), anyInt(), any(), anyInt(), any(), anyInt(), anyInt(), any(), any(),
eq(1 << ConnectivityManager.CALLBACK_PRECHECK
| 1 << ConnectivityManager.CALLBACK_AVAILABLE
| 1 << ConnectivityManager.CALLBACK_LOST
| 1 << ConnectivityManager.CALLBACK_CAP_CHANGED
| 1 << ConnectivityManager.CALLBACK_LOCAL_NETWORK_INFO_CHANGED
| 1 << ConnectivityManager.CALLBACK_RESUMED
| 1 << ConnectivityManager.CALLBACK_BLK_CHANGED));
}
@Test
public void testDeclaredMethodsFlag_listenWithMixedMethods_RegistrationFlagsMatch()
throws Exception {
final NetworkRequest request = new NetworkRequest.Builder().build();
doReturn(ConnectivityManager.FEATURE_USE_DECLARED_METHODS_FOR_CALLBACKS)
.when(mService).getEnabledConnectivityManagerFeatures();
final ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
final NetworkCallback callback2 = new ConnectivityManager.NetworkCallback() {
@Override
public void onLosing(@NonNull Network network, int maxMsToLive) {}
@Override
public void onUnavailable() {}
@Override
public void onLinkPropertiesChanged(@NonNull Network network,
@NonNull LinkProperties linkProperties) {}
@Override
public void onNetworkSuspended(@NonNull Network network) {}
};
manager.registerNetworkCallback(request, callback2);
// Call a second time with the same callback to exercise caching
manager.registerNetworkCallback(request, callback2);
verify(mService, times(2)).listenForNetwork(
any(), any(), any(), anyInt(), any(), any(),
eq(1 << ConnectivityManager.CALLBACK_LOSING
// AVAILABLE calls IP_CHANGED and SUSPENDED so it gets added
| 1 << ConnectivityManager.CALLBACK_AVAILABLE
| 1 << ConnectivityManager.CALLBACK_UNAVAIL
| 1 << ConnectivityManager.CALLBACK_IP_CHANGED
| 1 << ConnectivityManager.CALLBACK_SUSPENDED));
}
@Test
public void testDeclaredMethodsFlag_requestWithHiddenAvailableCallback_RegistrationFlagsMatch()
throws Exception {
doReturn(ConnectivityManager.FEATURE_USE_DECLARED_METHODS_FOR_CALLBACKS)
.when(mService).getEnabledConnectivityManagerFeatures();
final ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
final NetworkCallback hiddenOnAvailableCb = new ConnectivityManager.NetworkCallback() {
// This overload is @hide but might still be used by (bad) apps
@Override
public void onAvailable(@NonNull Network network,
@NonNull NetworkCapabilities networkCapabilities,
@NonNull LinkProperties linkProperties, boolean blocked) {}
};
manager.registerDefaultNetworkCallback(hiddenOnAvailableCb);
verify(mService).requestNetwork(
anyInt(), any(), anyInt(), any(), anyInt(), any(), anyInt(), anyInt(), any(), any(),
eq(1 << ConnectivityManager.CALLBACK_AVAILABLE));
}
public static class NetworkCallbackWithOnLostOnly extends NetworkCallback {
@Override
public void onLost(@NonNull Network network) {}
}
@Test
public void testDeclaredMethodsFlag_requestWithoutAvailableCallback_RegistrationFlagsMatch()
throws Exception {
doReturn(ConnectivityManager.FEATURE_USE_DECLARED_METHODS_FOR_CALLBACKS)
.when(mService).getEnabledConnectivityManagerFeatures();
final ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
final Handler handler = new Handler(Looper.getMainLooper());
final NetworkCallback noOnAvailableCb = new NetworkCallbackWithOnLostOnly();
manager.registerSystemDefaultNetworkCallback(noOnAvailableCb, handler);
verify(mService).requestNetwork(
anyInt(), any(), anyInt(), any(), anyInt(), any(), anyInt(), anyInt(), any(), any(),
eq(1 << ConnectivityManager.CALLBACK_LOST));
}
@Test
public void testDeclaredMethodsFlag_listenWithMock_OptimizationDisabled()
throws Exception {
doReturn(ConnectivityManager.FEATURE_USE_DECLARED_METHODS_FOR_CALLBACKS)
.when(mService).getEnabledConnectivityManagerFeatures();
final ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
final Handler handler = new Handler(Looper.getMainLooper());
final NetworkRequest request = new NetworkRequest.Builder().build();
manager.registerNetworkCallback(request, mock(NetworkCallbackWithOnLostOnly.class),
handler);
verify(mService).listenForNetwork(
any(), any(), any(), anyInt(), any(), any(),
// Mock that does not call the constructor -> do not use the optimization
eq(~0));
}
@Test
public void testDeclaredMethodsFlag_requestWitNoCallback_OptimizationDisabled()
throws Exception {
doReturn(ConnectivityManager.FEATURE_USE_DECLARED_METHODS_FOR_CALLBACKS)
.when(mService).getEnabledConnectivityManagerFeatures();
final ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
final Handler handler = new Handler(Looper.getMainLooper());
final NetworkRequest request = new NetworkRequest.Builder().build();
final NetworkCallback noCallbackAtAll = new ConnectivityManager.NetworkCallback() {};
manager.requestBackgroundNetwork(request, noCallbackAtAll, handler);
verify(mService).requestNetwork(
anyInt(), any(), anyInt(), any(), anyInt(), any(), anyInt(), anyInt(), any(), any(),
// No callbacks overridden -> do not use the optimization
eq(~0));
}
}