Merge "Update TransportManager tests."

8 files changed, 481 insertions, 49 deletions

diff --git a/services/backup/java/com/android/server/backup/TransportManager.java b/services/backup/java/com/android/server/backup/TransportManager.java
index 321ef2652514..098bc0778ac1 100644
--- a/services/backup/java/com/android/server/backup/TransportManager.java
+++ b/services/backup/java/com/android/server/backup/TransportManager.java
@@ -455,7 +455,7 @@ public class TransportManager {
         }
     }
 
-    interface TransportBoundListener {
+    public interface TransportBoundListener {
         /** Should return true if this is a valid transport. */
         boolean onTransportBound(IBackupTransport binder);
     }
diff --git a/services/robotests/Android.mk b/services/robotests/Android.mk
index 3e82d3ee1d2f..717176247d36 100644
--- a/services/robotests/Android.mk
+++ b/services/robotests/Android.mk
@@ -73,4 +73,6 @@ LOCAL_STATIC_JAVA_LIBRARIES := \
 
 LOCAL_TEST_PACKAGE := FrameworksServicesLib
 
+LOCAL_INSTRUMENT_SOURCE_DIRS := $(dir $(LOCAL_PATH))backup/java
+
 include prebuilts/misc/common/robolectric/run_robotests.mk
diff --git a/services/robotests/src/com/android/server/backup/TransportManagerTest.java b/services/robotests/src/com/android/server/backup/TransportManagerTest.java
index 0f7a091a8315..510fdba5fdf2 100644
--- a/services/robotests/src/com/android/server/backup/TransportManagerTest.java
+++ b/services/robotests/src/com/android/server/backup/TransportManagerTest.java
@@ -18,32 +18,36 @@ package com.android.server.backup;
 
 import static com.google.common.truth.Truth.assertThat;
 
-import android.annotation.RequiresPermission;
 import android.content.ComponentName;
 import android.content.Intent;
-import android.content.ServiceConnection;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.ResolveInfo;
 import android.content.pm.ServiceInfo;
-import android.os.UserHandle;
+import android.os.IBinder;
+import android.platform.test.annotations.Presubmit;
+
+import com.android.server.backup.testing.BackupTransportStub;
+import com.android.server.backup.testing.DefaultPackageManagerWithQueryIntentServicesAsUser;
+import com.android.server.backup.testing.ShadowBackupTransportStub;
+import com.android.server.backup.testing.ShadowContextImplWithBindServiceAsUser;
+import com.android.server.backup.testing.TransportBoundListenerStub;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
-import org.robolectric.res.ResourceLoader;
-import org.robolectric.res.builder.DefaultPackageManager;
 import org.robolectric.res.builder.RobolectricPackageManager;
-import org.robolectric.shadows.ShadowContextImpl;
+import org.robolectric.shadows.ShadowLog;
 import org.robolectric.shadows.ShadowLooper;
 
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 
@@ -51,12 +55,18 @@ import java.util.List;
 @Config(
         manifest = Config.NONE,
         sdk = 23,
-        shadows = {TransportManagerTest.ShadowContextImplWithBindServiceAsUser.class}
+        shadows = {
+                ShadowContextImplWithBindServiceAsUser.class,
+                ShadowBackupTransportStub.class
+        }
 )
+@Presubmit
 public class TransportManagerTest {
     private static final String PACKAGE_NAME = "some.package.name";
     private static final String TRANSPORT1_NAME = "transport1.name";
     private static final String TRANSPORT2_NAME = "transport2.name";
+    private static final List<String> TRANSPORTS_NAMES = Arrays.asList(
+            TRANSPORT1_NAME, TRANSPORT2_NAME);
     private static final ComponentName TRANSPORT1_COMPONENT_NAME = new ComponentName(PACKAGE_NAME,
             TRANSPORT1_NAME);
     private static final ComponentName TRANSPORT2_COMPONENT_NAME = new ComponentName(PACKAGE_NAME,
@@ -66,72 +76,131 @@ public class TransportManagerTest {
 
     private RobolectricPackageManager mPackageManager;
 
-    @Mock private TransportManager.TransportBoundListener mTransportBoundListener;
+    @Mock private IBinder mTransport1BinderMock;
+    @Mock private IBinder mTransport2BinderMock;
+
+    private final BackupTransportStub mTransport1Stub = new BackupTransportStub(TRANSPORT1_NAME);
+    private final BackupTransportStub mTransport2Stub = new BackupTransportStub(TRANSPORT2_NAME);
+    private final TransportBoundListenerStub mTransportBoundListenerStub =
+            new TransportBoundListenerStub(true);
 
     @Before
-    public void setUp() {
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+
+        ShadowLog.stream = System.out;
         mPackageManager = new DefaultPackageManagerWithQueryIntentServicesAsUser(
                 RuntimeEnvironment.getAppResourceLoader());
         RuntimeEnvironment.setRobolectricPackageManager(mPackageManager);
+
+        ShadowContextImplWithBindServiceAsUser.sComponentBinderMap.put(TRANSPORT1_COMPONENT_NAME,
+                mTransport1BinderMock);
+        ShadowContextImplWithBindServiceAsUser.sComponentBinderMap.put(TRANSPORT2_COMPONENT_NAME,
+                mTransport2BinderMock);
+        ShadowBackupTransportStub.sBinderTransportMap.put(mTransport1BinderMock, mTransport1Stub);
+        ShadowBackupTransportStub.sBinderTransportMap.put(mTransport2BinderMock, mTransport2Stub);
     }
 
     @Test
-    public void onPackageAdded_bindsToAllTransports() {
-        Intent intent = new Intent(TransportManager.SERVICE_ACTION_TRANSPORT_HOST);
-        intent.setPackage(PACKAGE_NAME);
+    public void onPackageAdded_bindsToAllTransports() throws Exception {
+        setUpPackageWithTransports(PACKAGE_NAME, TRANSPORTS_NAMES,
+                ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
 
-        PackageInfo packageInfo = new PackageInfo();
-        packageInfo.packageName = PACKAGE_NAME;
-        packageInfo.applicationInfo = new ApplicationInfo();
-        packageInfo.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
+        TransportManager transportManager = new TransportManager(
+                RuntimeEnvironment.application.getApplicationContext(),
+                new HashSet<>(TRANSPORTS_COMPONENT_NAMES),
+                null /* defaultTransport */,
+                mTransportBoundListenerStub,
+                ShadowLooper.getMainLooper());
+        transportManager.onPackageAdded(PACKAGE_NAME);
 
-        mPackageManager.addPackage(packageInfo);
+        assertThat(transportManager.getAllTransportComponents()).asList().containsExactlyElementsIn(
+                TRANSPORTS_COMPONENT_NAMES);
+        assertThat(transportManager.getBoundTransportNames()).asList().containsExactlyElementsIn(
+                TRANSPORTS_NAMES);
+        assertThat(mTransportBoundListenerStub.isCalledForTransport(mTransport1Stub)).isTrue();
+        assertThat(mTransportBoundListenerStub.isCalledForTransport(mTransport2Stub)).isTrue();
+    }
 
-        ResolveInfo transport1 = new ResolveInfo();
-        transport1.serviceInfo = new ServiceInfo();
-        transport1.serviceInfo.packageName = PACKAGE_NAME;
-        transport1.serviceInfo.name = TRANSPORT1_NAME;
+    @Test
+    public void onPackageAdded_whitelistIsNull_doesNotBindToTransports() throws Exception {
+        setUpPackageWithTransports(PACKAGE_NAME, TRANSPORTS_NAMES,
+                ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
 
-        ResolveInfo transport2 = new ResolveInfo();
-        transport2.serviceInfo = new ServiceInfo();
-        transport2.serviceInfo.packageName = PACKAGE_NAME;
-        transport2.serviceInfo.name = TRANSPORT2_NAME;
+        TransportManager transportManager = new TransportManager(
+                RuntimeEnvironment.application.getApplicationContext(),
+                null /* whitelist */,
+                null /* defaultTransport */,
+                mTransportBoundListenerStub,
+                ShadowLooper.getMainLooper());
+        transportManager.onPackageAdded(PACKAGE_NAME);
 
-        mPackageManager.addResolveInfoForIntent(intent, Arrays.asList(transport1, transport2));
+        assertThat(transportManager.getAllTransportComponents()).isEmpty();
+        assertThat(transportManager.getBoundTransportNames()).isEmpty();
+        assertThat(mTransportBoundListenerStub.isCalled()).isFalse();
+    }
+
+    @Test
+    public void onPackageAdded_onlyOneTransportWhitelisted_onlyConnectsToWhitelistedTransport()
+            throws Exception {
+        setUpPackageWithTransports(PACKAGE_NAME, TRANSPORTS_NAMES,
+                ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
 
         TransportManager transportManager = new TransportManager(
                 RuntimeEnvironment.application.getApplicationContext(),
-                new HashSet<>(TRANSPORTS_COMPONENT_NAMES),
-                null,
-                mTransportBoundListener,
+                new HashSet<>(Collections.singleton(TRANSPORT2_COMPONENT_NAME)),
+                null /* defaultTransport */,
+                mTransportBoundListenerStub,
                 ShadowLooper.getMainLooper());
         transportManager.onPackageAdded(PACKAGE_NAME);
 
         assertThat(transportManager.getAllTransportComponents()).asList().containsExactlyElementsIn(
-                TRANSPORTS_COMPONENT_NAMES);
+                Collections.singleton(TRANSPORT2_COMPONENT_NAME));
+        assertThat(transportManager.getBoundTransportNames()).asList().containsExactlyElementsIn(
+                Collections.singleton(TRANSPORT2_NAME));
+        assertThat(mTransportBoundListenerStub.isCalledForTransport(mTransport1Stub)).isFalse();
+        assertThat(mTransportBoundListenerStub.isCalledForTransport(mTransport2Stub)).isTrue();
     }
 
-    private static class DefaultPackageManagerWithQueryIntentServicesAsUser extends
-            DefaultPackageManager {
+    @Test
+    public void onPackageAdded_appIsNotPrivileged_doesNotBindToTransports() throws Exception {
+        setUpPackageWithTransports(PACKAGE_NAME, TRANSPORTS_NAMES, 0);
 
-        /* package */ DefaultPackageManagerWithQueryIntentServicesAsUser(
-                ResourceLoader appResourceLoader) {
-            super(appResourceLoader);
-        }
+        TransportManager transportManager = new TransportManager(
+                RuntimeEnvironment.application.getApplicationContext(),
+                new HashSet<>(TRANSPORTS_COMPONENT_NAMES),
+                null /* defaultTransport */,
+                mTransportBoundListenerStub,
+                ShadowLooper.getMainLooper());
+        transportManager.onPackageAdded(PACKAGE_NAME);
 
-        @Override
-        public List<ResolveInfo> queryIntentServicesAsUser(Intent intent, int flags, int userId) {
-            return super.queryIntentServices(intent, flags);
-        }
+        assertThat(transportManager.getAllTransportComponents()).isEmpty();
+        assertThat(transportManager.getBoundTransportNames()).isEmpty();
+        assertThat(mTransportBoundListenerStub.isCalled()).isFalse();
     }
 
-    @Implements(className = ShadowContextImpl.CLASS_NAME)
-    public static class ShadowContextImplWithBindServiceAsUser extends ShadowContextImpl {
+    private void setUpPackageWithTransports(String packageName, List<String> transportNames,
+            int flags) throws Exception {
+        PackageInfo packageInfo = new PackageInfo();
+        packageInfo.packageName = packageName;
+        packageInfo.applicationInfo = new ApplicationInfo();
+        packageInfo.applicationInfo.privateFlags = flags;
+
+        mPackageManager.addPackage(packageInfo);
 
-        @Implementation
-        public boolean bindServiceAsUser(@RequiresPermission Intent service, ServiceConnection conn,
-                int flags, UserHandle user) {
-            return true;
+        List<ResolveInfo> transportsInfo = new ArrayList<>();
+        for (String transportName : transportNames) {
+            ResolveInfo info = new ResolveInfo();
+            info.serviceInfo = new ServiceInfo();
+            info.serviceInfo.packageName = packageName;
+            info.serviceInfo.name = transportName;
+            transportsInfo.add(info);
         }
+
+        Intent intent = new Intent(TransportManager.SERVICE_ACTION_TRANSPORT_HOST);
+        intent.setPackage(packageName);
+
+        mPackageManager.addResolveInfoForIntent(intent, transportsInfo);
     }
+
 }
diff --git a/services/robotests/src/com/android/server/backup/testing/BackupTransportStub.java b/services/robotests/src/com/android/server/backup/testing/BackupTransportStub.java
new file mode 100644
index 000000000000..ec09f908c90d
--- /dev/null
+++ b/services/robotests/src/com/android/server/backup/testing/BackupTransportStub.java
@@ -0,0 +1,179 @@
+/*
+ * 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.backup.testing;
+
+import android.app.backup.RestoreDescription;
+import android.app.backup.RestoreSet;
+import android.content.Intent;
+import android.content.pm.PackageInfo;
+import android.os.IBinder;
+import android.os.ParcelFileDescriptor;
+import android.os.RemoteException;
+
+import com.android.internal.backup.IBackupTransport;
+
+/**
+ * Stub backup transport, doing nothing and returning default values.
+ */
+public class BackupTransportStub implements IBackupTransport {
+
+    private final String mName;
+
+    public BackupTransportStub(String name) {
+        mName = name;
+    }
+
+    @Override
+    public IBinder asBinder() {
+        return null;
+    }
+
+    @Override
+    public String name() throws RemoteException {
+        return mName;
+    }
+
+    @Override
+    public Intent configurationIntent() throws RemoteException {
+        return null;
+    }
+
+    @Override
+    public String currentDestinationString() throws RemoteException {
+        return null;
+    }
+
+    @Override
+    public Intent dataManagementIntent() throws RemoteException {
+        return null;
+    }
+
+    @Override
+    public String dataManagementLabel() throws RemoteException {
+        return null;
+    }
+
+    @Override
+    public String transportDirName() throws RemoteException {
+        return null;
+    }
+
+    @Override
+    public long requestBackupTime() throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public int initializeDevice() throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public int performBackup(PackageInfo packageInfo, ParcelFileDescriptor inFd, int flags)
+            throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public int clearBackupData(PackageInfo packageInfo) throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public int finishBackup() throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public RestoreSet[] getAvailableRestoreSets() throws RemoteException {
+        return new RestoreSet[0];
+    }
+
+    @Override
+    public long getCurrentRestoreSet() throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public int startRestore(long token, PackageInfo[] packages) throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public RestoreDescription nextRestorePackage() throws RemoteException {
+        return null;
+    }
+
+    @Override
+    public int getRestoreData(ParcelFileDescriptor outFd) throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public void finishRestore() throws RemoteException {
+
+    }
+
+    @Override
+    public long requestFullBackupTime() throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public int performFullBackup(PackageInfo targetPackage, ParcelFileDescriptor socket,
+            int flags)
+            throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public int checkFullBackupSize(long size) throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public int sendBackupData(int numBytes) throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public void cancelFullBackup() throws RemoteException {
+
+    }
+
+    @Override
+    public boolean isAppEligibleForBackup(PackageInfo targetPackage, boolean isFullBackup)
+            throws RemoteException {
+        return false;
+    }
+
+    @Override
+    public long getBackupQuota(String packageName, boolean isFullBackup)
+            throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public int getNextFullRestoreDataChunk(ParcelFileDescriptor socket) throws RemoteException {
+        return 0;
+    }
+
+    @Override
+    public int abortFullRestore() throws RemoteException {
+        return 0;
+    }
+}
diff --git a/services/robotests/src/com/android/server/backup/testing/DefaultPackageManagerWithQueryIntentServicesAsUser.java b/services/robotests/src/com/android/server/backup/testing/DefaultPackageManagerWithQueryIntentServicesAsUser.java
new file mode 100644
index 000000000000..5a0967ba2420
--- /dev/null
+++ b/services/robotests/src/com/android/server/backup/testing/DefaultPackageManagerWithQueryIntentServicesAsUser.java
@@ -0,0 +1,43 @@
+/*
+ * 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.backup.testing;
+
+import android.content.Intent;
+import android.content.pm.ResolveInfo;
+
+import org.robolectric.res.ResourceLoader;
+import org.robolectric.res.builder.DefaultPackageManager;
+
+import java.util.List;
+
+/**
+ * Implementation of PackageManager for Robolectric which handles queryIntentServicesAsUser().
+ */
+public class DefaultPackageManagerWithQueryIntentServicesAsUser extends
+        DefaultPackageManager {
+
+    /* package */
+    public DefaultPackageManagerWithQueryIntentServicesAsUser(
+            ResourceLoader appResourceLoader) {
+        super(appResourceLoader);
+    }
+
+    @Override
+    public List<ResolveInfo> queryIntentServicesAsUser(Intent intent, int flags, int userId) {
+        return super.queryIntentServices(intent, flags);
+    }
+}
diff --git a/services/robotests/src/com/android/server/backup/testing/ShadowBackupTransportStub.java b/services/robotests/src/com/android/server/backup/testing/ShadowBackupTransportStub.java
new file mode 100644
index 000000000000..48a12f0f5435
--- /dev/null
+++ b/services/robotests/src/com/android/server/backup/testing/ShadowBackupTransportStub.java
@@ -0,0 +1,40 @@
+/*
+ * 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.backup.testing;
+
+import android.os.IBinder;
+
+import com.android.internal.backup.IBackupTransport;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Shadow IBackupTransport.Stub, returns a transport corresponding to the binder.
+ */
+@Implements(IBackupTransport.Stub.class)
+public class ShadowBackupTransportStub {
+    public static Map<IBinder, IBackupTransport> sBinderTransportMap = new HashMap<>();
+
+    @Implementation
+    public static IBackupTransport asInterface(IBinder obj) {
+        return sBinderTransportMap.get(obj);
+    }
+}
diff --git a/services/robotests/src/com/android/server/backup/testing/ShadowContextImplWithBindServiceAsUser.java b/services/robotests/src/com/android/server/backup/testing/ShadowContextImplWithBindServiceAsUser.java
new file mode 100644
index 000000000000..77424294b1e0
--- /dev/null
+++ b/services/robotests/src/com/android/server/backup/testing/ShadowContextImplWithBindServiceAsUser.java
@@ -0,0 +1,48 @@
+/*
+ * 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.backup.testing;
+
+import android.annotation.RequiresPermission;
+import android.content.ComponentName;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.os.IBinder;
+import android.os.UserHandle;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.shadows.ShadowApplication;
+import org.robolectric.shadows.ShadowContextImpl;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Implementation of ContextImpl shadow, handling bindServiceAsUser().
+ */
+@Implements(className = ShadowContextImpl.CLASS_NAME)
+public class ShadowContextImplWithBindServiceAsUser extends ShadowContextImpl {
+    public static Map<ComponentName, IBinder> sComponentBinderMap = new HashMap<>();
+
+    @Implementation
+    public boolean bindServiceAsUser(@RequiresPermission Intent service, ServiceConnection conn,
+            int flags, UserHandle user) {
+        ShadowApplication.getInstance().setComponentNameAndServiceForBindService(
+                service.getComponent(), sComponentBinderMap.get(service.getComponent()));
+        return bindService(service, conn, flags);
+    }
+}
diff --git a/services/robotests/src/com/android/server/backup/testing/TransportBoundListenerStub.java b/services/robotests/src/com/android/server/backup/testing/TransportBoundListenerStub.java
new file mode 100644
index 000000000000..e9f5978cc6d0
--- /dev/null
+++ b/services/robotests/src/com/android/server/backup/testing/TransportBoundListenerStub.java
@@ -0,0 +1,51 @@
+/*
+ * 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.backup.testing;
+
+import com.android.internal.backup.IBackupTransport;
+import com.android.server.backup.TransportManager;
+
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Stub implementation of TransportBoundListener, which returns given result and can tell whether
+ * it was called for given transport.
+ */
+public class TransportBoundListenerStub implements
+        TransportManager.TransportBoundListener {
+    private boolean mAlwaysReturnSuccess;
+    private Set<IBackupTransport> mTransportsCalledFor = new HashSet<>();
+
+    public TransportBoundListenerStub(boolean alwaysReturnSuccess) {
+        this.mAlwaysReturnSuccess = alwaysReturnSuccess;
+    }
+
+    @Override
+    public boolean onTransportBound(IBackupTransport binder) {
+        mTransportsCalledFor.add(binder);
+        return mAlwaysReturnSuccess;
+    }
+
+    public boolean isCalledForTransport(IBackupTransport binder) {
+        return mTransportsCalledFor.contains(binder);
+    }
+
+    public boolean isCalled() {
+        return !mTransportsCalledFor.isEmpty();
+    }
+}