NsdService: test coverage for client requests.
Adding coverage for:
- NsdManager client disconnection
- in-flight request GC
Test: new test passes
Bug: 37013369, 33298084
Change-Id: I92039f297cf99352bbf4196797933d89c0b819ff
diff --git a/core/java/android/net/nsd/NsdManager.java b/core/java/android/net/nsd/NsdManager.java
index 13648d2..27ca6e2 100644
--- a/core/java/android/net/nsd/NsdManager.java
+++ b/core/java/android/net/nsd/NsdManager.java
@@ -274,6 +274,14 @@
}
/**
+ * @hide
+ */
+ @VisibleForTesting
+ public void disconnect() {
+ mAsyncChannel.disconnect();
+ }
+
+ /**
* Failures are passed with {@link RegistrationListener#onRegistrationFailed},
* {@link RegistrationListener#onUnregistrationFailed},
* {@link DiscoveryListener#onStartDiscoveryFailed},
diff --git a/services/core/java/com/android/server/NsdService.java b/services/core/java/com/android/server/NsdService.java
index 55bca64..efbad45 100644
--- a/services/core/java/com/android/server/NsdService.java
+++ b/services/core/java/com/android/server/NsdService.java
@@ -48,7 +48,6 @@
import com.android.internal.util.Protocol;
import com.android.internal.util.State;
import com.android.internal.util.StateMachine;
-import com.android.server.NativeDaemonConnector.Command;
/**
* Network Service Discovery Service handles remote service discovery operation requests by
@@ -161,7 +160,7 @@
}
//Last client
if (mClients.size() == 0) {
- stopMDnsDaemon();
+ mDaemon.stop();
}
break;
case AsyncChannel.CMD_CHANNEL_FULL_CONNECTION:
@@ -221,14 +220,14 @@
public void enter() {
sendNsdStateChangeBroadcast(true);
if (mClients.size() > 0) {
- startMDnsDaemon();
+ mDaemon.start();
}
}
@Override
public void exit() {
if (mClients.size() > 0) {
- stopMDnsDaemon();
+ mDaemon.stop();
}
}
@@ -262,7 +261,7 @@
//First client
if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL &&
mClients.size() == 0) {
- startMDnsDaemon();
+ mDaemon.start();
}
return NOT_HANDLED;
case AsyncChannel.CMD_CHANNEL_DISCONNECTED:
@@ -712,26 +711,13 @@
return true;
}
- public boolean execute(Command cmd) {
- if (DBG) {
- Slog.d(TAG, cmd.toString());
- }
- try {
- mNativeConnector.execute(cmd);
- } catch (NativeDaemonConnectorException e) {
- Slog.e(TAG, "Failed to execute " + cmd, e);
- return false;
- }
- return true;
+ public void start() {
+ execute("start-service");
}
- }
- private boolean startMDnsDaemon() {
- return mDaemon.execute("start-service");
- }
-
- private boolean stopMDnsDaemon() {
- return mDaemon.execute("stop-service");
+ public void stop() {
+ execute("stop-service");
+ }
}
private boolean registerService(int regId, NsdServiceInfo service) {
@@ -743,8 +729,7 @@
int port = service.getPort();
byte[] textRecord = service.getTxtRecord();
String record = Base64.encodeToString(textRecord, Base64.DEFAULT).replace("\n", "");
- Command cmd = new Command("mdnssd", "register", regId, name, type, port, record);
- return mDaemon.execute(cmd);
+ return mDaemon.execute("register", regId, name, type, port, record);
}
private boolean unregisterService(int regId) {
diff --git a/tests/net/java/android/net/nsd/NsdServiceTest.java b/tests/net/java/android/net/nsd/NsdServiceTest.java
index acc390c..68cb251 100644
--- a/tests/net/java/android/net/nsd/NsdServiceTest.java
+++ b/tests/net/java/android/net/nsd/NsdServiceTest.java
@@ -16,68 +16,121 @@
package com.android.server;
+import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.any;
+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.os.Handler;
+import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
-import android.os.test.TestLooper;
import android.content.Context;
import android.content.ContentResolver;
import android.net.nsd.NsdManager;
+import android.net.nsd.NsdServiceInfo;
import com.android.server.NsdService.DaemonConnection;
import com.android.server.NsdService.DaemonConnectionSupplier;
import com.android.server.NsdService.NativeCallbackReceiver;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
+import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
// TODOs:
-// - test client disconnects
// - test client can send requests and receive replies
// - test NSD_ON ENABLE/DISABLED listening
@RunWith(AndroidJUnit4.class)
@SmallTest
public class NsdServiceTest {
+ static final int PROTOCOL = NsdManager.PROTOCOL_DNS_SD;
+
+ long mTimeoutMs = 100; // non-final so that tests can adjust the value.
+
@Mock Context mContext;
@Mock ContentResolver mResolver;
@Mock NsdService.NsdSettings mSettings;
@Mock DaemonConnection mDaemon;
NativeCallbackReceiver mDaemonCallback;
- TestLooper mLooper;
+ HandlerThread mThread;
TestHandler mHandler;
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
- mLooper = new TestLooper();
- mHandler = new TestHandler(mLooper.getLooper());
+ mThread = new HandlerThread("mock-service-handler");
+ mThread.start();
+ mHandler = new TestHandler(mThread.getLooper());
when(mContext.getContentResolver()).thenReturn(mResolver);
}
+ @After
+ public void tearDown() throws Exception {
+ mThread.quit();
+ }
+
@Test
- public void testClientsCanConnect() {
+ public void testClientsCanConnectAndDisconnect() {
when(mSettings.isEnabled()).thenReturn(true);
NsdService service = makeService();
NsdManager client1 = connectClient(service);
- verify(mDaemon, timeout(100).times(1)).execute("start-service");
+ verify(mDaemon, timeout(100).times(1)).start();
NsdManager client2 = connectClient(service);
- // TODO: disconnect client1
- // TODO: disconnect client2
+ client1.disconnect();
+ client2.disconnect();
+
+ verify(mDaemon, timeout(mTimeoutMs).times(1)).stop();
+ }
+
+ @Test
+ public void testClientRequestsAreGCedAtDisconnection() {
+ when(mSettings.isEnabled()).thenReturn(true);
+ when(mDaemon.execute(any())).thenReturn(true);
+
+ NsdService service = makeService();
+ NsdManager client = connectClient(service);
+
+ verify(mDaemon, timeout(100).times(1)).start();
+
+ NsdServiceInfo request = new NsdServiceInfo("a_name", "a_type");
+ request.setPort(2201);
+
+ // Client registration request
+ NsdManager.RegistrationListener listener1 = mock(NsdManager.RegistrationListener.class);
+ client.registerService(request, PROTOCOL, listener1);
+ verifyDaemonCommand("register 2 a_name a_type 2201");
+
+ // Client discovery request
+ NsdManager.DiscoveryListener listener2 = mock(NsdManager.DiscoveryListener.class);
+ client.discoverServices("a_type", PROTOCOL, listener2);
+ verifyDaemonCommand("discover 3 a_type");
+
+ // Client resolve request
+ NsdManager.ResolveListener listener3 = mock(NsdManager.ResolveListener.class);
+ client.resolveService(request, listener3);
+ verifyDaemonCommand("resolve 4 a_name a_type local.");
+
+ // Client disconnects
+ client.disconnect();
+ verify(mDaemon, timeout(mTimeoutMs).times(1)).stop();
+
+ // checks that request are cleaned
+ verifyDaemonCommands("stop-register 2", "stop-discover 3", "stop-resolve 4");
}
NsdService makeService() {
@@ -91,10 +144,28 @@
}
NsdManager connectClient(NsdService service) {
- mLooper.startAutoDispatch();
- NsdManager client = new NsdManager(mContext, service);
- mLooper.stopAutoDispatch();
- return client;
+ return new NsdManager(mContext, service);
+ }
+
+ void verifyDaemonCommands(String... wants) {
+ verifyDaemonCommand(String.join(" ", wants), wants.length);
+ }
+
+ void verifyDaemonCommand(String want) {
+ verifyDaemonCommand(want, 1);
+ }
+
+ void verifyDaemonCommand(String want, int n) {
+ ArgumentCaptor<Object> argumentsCaptor = ArgumentCaptor.forClass(Object.class);
+ verify(mDaemon, timeout(mTimeoutMs).times(n)).execute(argumentsCaptor.capture());
+ String got = "";
+ for (Object o : argumentsCaptor.getAllValues()) {
+ got += o + " ";
+ }
+ assertEquals(want, got.trim());
+ // rearm deamon for next command verification
+ reset(mDaemon);
+ when(mDaemon.execute(any())).thenReturn(true);
}
public static class TestHandler extends Handler {