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Add integration test of tethering local network agent feature

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Test: atest TetheringIntegrationTests:android.net.EthernetTetheringTest#testLocalAgent_networkCallbacks \
      --update-device
Bug: 349487600
Change-Id: I3a173f7441a766c33844f89c13ef3cc7930167f1
This commit is contained in:
Junyu Lai 2024-12-18 18:04:33 +08:00
commit 1775349555
1 changed files with 56 additions and 0 deletions
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56
Tethering/tests/integration/src/android/net/EthernetTetheringTest.java
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@ -18,6 +18,8 @@ package android.net;
import static android.Manifest.permission.DUMP;
import static android.net.InetAddresses.parseNumericAddress;
import static android.net.NetworkCapabilities.NET_CAPABILITY_LOCAL_NETWORK;
import static android.net.NetworkCapabilities.TRANSPORT_ETHERNET;
import static android.net.TetheringManager.CONNECTIVITY_SCOPE_LOCAL;
import static android.net.TetheringManager.CONNECTIVITY_SCOPE_GLOBAL;
import static android.net.TetheringManager.TETHERING_ETHERNET;
@ -27,6 +29,7 @@ import static android.net.TetheringTester.buildIcmpEchoPacketV4;
import static android.net.TetheringTester.buildUdpPacket;
import static android.net.TetheringTester.isExpectedIcmpPacket;
import static android.net.TetheringTester.isExpectedUdpDnsPacket;
import static android.provider.DeviceConfig.NAMESPACE_TETHERING;
import static android.system.OsConstants.ICMP_ECHO;
import static android.system.OsConstants.ICMP_ECHOREPLY;
import static android.system.OsConstants.IPPROTO_UDP;
@ -78,12 +81,16 @@ import com.android.net.module.util.bpf.TetherStatsKey;
import com.android.net.module.util.bpf.TetherStatsValue;
import com.android.net.module.util.structs.Ipv4Header;
import com.android.net.module.util.structs.UdpHeader;
import com.android.testutils.AutoReleaseNetworkCallbackRule;
import com.android.testutils.DevSdkIgnoreRule;
import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo;
import com.android.testutils.DeviceConfigRule;
import com.android.testutils.DeviceInfoUtils;
import com.android.testutils.DumpTestUtils;
import com.android.testutils.NetworkStackModuleTest;
import com.android.testutils.PollPacketReader;
import com.android.testutils.RecorderCallback.CallbackEntry;
import com.android.testutils.TestableNetworkCallback;
import org.junit.After;
import org.junit.Rule;
@ -111,6 +118,12 @@ import java.util.concurrent.TimeoutException;
public class EthernetTetheringTest extends EthernetTetheringTestBase {
@Rule
public final DevSdkIgnoreRule mIgnoreRule = new DevSdkIgnoreRule();
// For manipulating feature flag before and after testing.
@Rule
public final DeviceConfigRule mDeviceConfigRule = new DeviceConfigRule();
@Rule
public final AutoReleaseNetworkCallbackRule
mNetworkCallbackRule = new AutoReleaseNetworkCallbackRule();
private static final String TAG = EthernetTetheringTest.class.getSimpleName();
@ -200,6 +213,9 @@ public class EthernetTetheringTest extends EthernetTetheringTestBase {
(byte) 0x01, (byte) 0x02, (byte) 0x03, (byte) 0x04 /* Address: 1.2.3.4 */
};
// Shamelessly copied from TetheringConfiguration.
private static final String TETHERING_LOCAL_NETWORK_AGENT = "tethering_local_network_agent";
@After
public void tearDown() throws Exception {
super.tearDown();
@ -1224,4 +1240,44 @@ public class EthernetTetheringTest extends EthernetTetheringTestBase {
maybeUnregisterTetheringEventCallback(tetheringEventCallback);
}
}
@IgnoreUpTo(Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
@Test
public void testLocalAgent_networkCallbacks() throws Exception {
mDeviceConfigRule.setConfig(NAMESPACE_TETHERING, TETHERING_LOCAL_NETWORK_AGENT, "1");
assumeFalse(isInterfaceForTetheringAvailable());
setIncludeTestInterfaces(true);
TestNetworkInterface downstreamIface = null;
MyTetheringEventCallback tetheringEventCallback = null;
final TestableNetworkCallback networkCallback = new TestableNetworkCallback();
final NetworkRequest networkRequest = new NetworkRequest.Builder()
.addCapability(NET_CAPABILITY_LOCAL_NETWORK).build();
mNetworkCallbackRule.registerNetworkCallback(networkRequest, networkCallback);
try {
downstreamIface = createTestInterface();
final String iface = mTetheredInterfaceRequester.getInterface();
assertEquals("TetheredInterfaceCallback for unexpected interface",
downstreamIface.getInterfaceName(), iface);
final TetheringRequest request = new TetheringRequest.Builder(TETHERING_ETHERNET)
.setConnectivityScope(CONNECTIVITY_SCOPE_GLOBAL).build();
tetheringEventCallback = enableTethering(iface, request, null /* any upstream */);
tetheringEventCallback.awaitInterfaceTethered();
// Verify NetworkCallback works accordingly.
final Network network = networkCallback.expect(CallbackEntry.AVAILABLE).getNetwork();
final CallbackEntry.CapabilitiesChanged capEvent =
networkCallback.eventuallyExpect(CallbackEntry.NETWORK_CAPS_UPDATED);
assertEquals(network, capEvent.getNetwork());
assertTrue(capEvent.getCaps().hasTransport(TRANSPORT_ETHERNET));
assertTrue(capEvent.getCaps().hasCapability(NET_CAPABILITY_LOCAL_NETWORK));
} finally {
stopEthernetTethering(tetheringEventCallback);
maybeCloseTestInterface(downstreamIface);
}
}
}