| /* |
| * 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.backup; |
| |
| import static com.android.server.backup.testing.BackupManagerServiceTestUtils.createBackupWakeLock; |
| import static com.android.server.backup.testing.BackupManagerServiceTestUtils.setUpBackupManagerServiceBasics; |
| import static com.android.server.backup.testing.BackupManagerServiceTestUtils.startBackupThreadAndGetLooper; |
| |
| import static com.android.server.backup.testing.TransportData.backupTransport; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.anyInt; |
| import static org.mockito.ArgumentMatchers.anyLong; |
| import static org.mockito.ArgumentMatchers.argThat; |
| import static org.mockito.ArgumentMatchers.eq; |
| import static org.mockito.Mockito.doAnswer; |
| import static org.mockito.Mockito.doNothing; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| import static org.robolectric.Shadows.shadowOf; |
| |
| import static java.util.Collections.emptyList; |
| import static java.util.stream.Collectors.toCollection; |
| import static java.util.stream.Collectors.toList; |
| |
| import android.app.Application; |
| import android.app.IBackupAgent; |
| import android.app.backup.BackupAgent; |
| import android.app.backup.BackupDataInput; |
| import android.app.backup.BackupDataOutput; |
| import android.app.backup.BackupManager; |
| import android.app.backup.BackupTransport; |
| import android.app.backup.IBackupManager; |
| import android.app.backup.IBackupManagerMonitor; |
| import android.app.backup.IBackupObserver; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.ParcelFileDescriptor; |
| import android.os.PowerManager; |
| import android.os.RemoteException; |
| import android.platform.test.annotations.Presubmit; |
| import android.util.Pair; |
| |
| import com.android.internal.backup.IBackupTransport; |
| import com.android.server.backup.internal.BackupHandler; |
| import com.android.server.backup.internal.BackupRequest; |
| import com.android.server.backup.internal.OnTaskFinishedListener; |
| import com.android.server.backup.internal.PerformBackupTask; |
| import com.android.server.backup.testing.TransportData; |
| import com.android.server.backup.testing.TransportTestUtils; |
| import com.android.server.backup.testing.TransportTestUtils.TransportMock; |
| import com.android.server.backup.transport.TransportClient; |
| import com.android.server.testing.FrameworkRobolectricTestRunner; |
| import com.android.server.testing.SystemLoaderClasses; |
| import com.android.server.testing.SystemLoaderPackages; |
| import com.android.server.testing.shadows.ShadowBackupDataInput; |
| import com.android.server.testing.shadows.ShadowBackupDataOutput; |
| |
| import org.junit.Before; |
| import org.junit.Ignore; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.ArgumentMatcher; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| import org.mockito.invocation.InvocationOnMock; |
| import org.mockito.stubbing.Answer; |
| import org.robolectric.RuntimeEnvironment; |
| import org.robolectric.annotation.Config; |
| import org.robolectric.shadows.ShadowLooper; |
| import org.robolectric.shadows.ShadowPackageManager; |
| import org.robolectric.shadows.ShadowQueuedWork; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.stream.Stream; |
| |
| @RunWith(FrameworkRobolectricTestRunner.class) |
| @Config( |
| manifest = Config.NONE, |
| sdk = 26, |
| shadows = {ShadowBackupDataInput.class, ShadowBackupDataOutput.class, ShadowQueuedWork.class} |
| ) |
| @SystemLoaderPackages({"com.android.server.backup", "android.app.backup"}) |
| @SystemLoaderClasses({IBackupTransport.class, IBackupAgent.class, PackageInfo.class}) |
| @Presubmit |
| public class PerformBackupTaskTest { |
| private static final String PACKAGE_1 = "com.example.package1"; |
| private static final String PACKAGE_2 = "com.example.package2"; |
| |
| @Mock private BackupManagerService mBackupManagerService; |
| @Mock private TransportManager mTransportManager; |
| @Mock private DataChangedJournal mDataChangedJournal; |
| @Mock private IBackupObserver mObserver; |
| @Mock private IBackupManagerMonitor mMonitor; |
| @Mock private OnTaskFinishedListener mListener; |
| private TransportData mTransport; |
| private ShadowLooper mShadowBackupLooper; |
| private BackupHandler mBackupHandler; |
| private PowerManager.WakeLock mWakeLock; |
| private ShadowPackageManager mShadowPackageManager; |
| private FakeIBackupManager mBackupManager; |
| private File mBaseStateDir; |
| |
| @Before |
| public void setUp() throws Exception { |
| MockitoAnnotations.initMocks(this); |
| |
| mTransport = backupTransport(); |
| |
| Application application = RuntimeEnvironment.application; |
| File cacheDir = application.getCacheDir(); |
| mBaseStateDir = new File(cacheDir, "base_state_dir"); |
| File dataDir = new File(cacheDir, "data_dir"); |
| assertThat(mBaseStateDir.mkdir()).isTrue(); |
| assertThat(dataDir.mkdir()).isTrue(); |
| |
| PackageManager packageManager = application.getPackageManager(); |
| mShadowPackageManager = shadowOf(packageManager); |
| |
| mWakeLock = createBackupWakeLock(application); |
| |
| Looper backupLooper = startBackupThreadAndGetLooper(); |
| mShadowBackupLooper = shadowOf(backupLooper); |
| |
| Handler mainHandler = new Handler(Looper.getMainLooper()); |
| BackupAgentTimeoutParameters agentTimeoutParameters = |
| new BackupAgentTimeoutParameters(mainHandler, application.getContentResolver()); |
| agentTimeoutParameters.start(); |
| |
| // We need to mock BMS timeout parameters before initializing the BackupHandler since |
| // the constructor of BackupHandler relies on the timeout parameters. |
| when(mBackupManagerService.getAgentTimeoutParameters()).thenReturn(agentTimeoutParameters); |
| mBackupHandler = new BackupHandler(mBackupManagerService, backupLooper); |
| |
| mBackupManager = spy(FakeIBackupManager.class); |
| |
| setUpBackupManagerServiceBasics( |
| mBackupManagerService, |
| application, |
| mTransportManager, |
| packageManager, |
| mBackupHandler, |
| mWakeLock, |
| agentTimeoutParameters); |
| when(mBackupManagerService.getBaseStateDir()).thenReturn(mBaseStateDir); |
| when(mBackupManagerService.getDataDir()).thenReturn(dataDir); |
| when(mBackupManagerService.getBackupManagerBinder()).thenReturn(mBackupManager); |
| } |
| |
| @Test |
| public void testRunTask_whenTransportProvidesFlags_passesThemToTheAgent() throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport); |
| AgentMock agentMock = setUpAgent(PACKAGE_1); |
| int flags = BackupAgent.FLAG_CLIENT_SIDE_ENCRYPTION_ENABLED; |
| when(transportMock.transport.getTransportFlags()).thenReturn(flags); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1); |
| |
| runTask(task); |
| |
| verify(agentMock.agent) |
| .onBackup(any(), argThat(dataOutputWithTransportFlags(flags)), any()); |
| } |
| |
| @Test |
| public void testRunTask_whenTransportDoesNotProvidesFlags() throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport); |
| AgentMock agentMock = setUpAgent(PACKAGE_1); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1); |
| |
| runTask(task); |
| |
| verify(agentMock.agent).onBackup(any(), argThat(dataOutputWithTransportFlags(0)), any()); |
| } |
| |
| @Test |
| public void testRunTask_whenTransportProvidesFlagsAndMultipleAgents_passesToAll() |
| throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport); |
| List<AgentMock> agentMocks = setUpAgents(PACKAGE_1, PACKAGE_2); |
| BackupAgent agent1 = agentMocks.get(0).agent; |
| BackupAgent agent2 = agentMocks.get(1).agent; |
| int flags = BackupAgent.FLAG_CLIENT_SIDE_ENCRYPTION_ENABLED; |
| when(transportMock.transport.getTransportFlags()).thenReturn(flags); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1, |
| PACKAGE_2); |
| |
| runTask(task); |
| |
| verify(agent1).onBackup(any(), argThat(dataOutputWithTransportFlags(flags)), any()); |
| verify(agent2).onBackup(any(), argThat(dataOutputWithTransportFlags(flags)), any()); |
| } |
| |
| @Test |
| public void testRunTask_whenTransportChangeFlagsAfterTaskCreation() throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport); |
| AgentMock agentMock = setUpAgent(PACKAGE_1); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1); |
| int flags = BackupAgent.FLAG_CLIENT_SIDE_ENCRYPTION_ENABLED; |
| when(transportMock.transport.getTransportFlags()).thenReturn(flags); |
| |
| runTask(task); |
| |
| verify(agentMock.agent) |
| .onBackup(any(), argThat(dataOutputWithTransportFlags(flags)), any()); |
| } |
| |
| @Test |
| public void testRunTask_callsListenerAndObserver() throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport); |
| setUpAgent(PACKAGE_1); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1); |
| |
| runTask(task); |
| |
| verify(mListener).onFinished(any()); |
| verify(mObserver).backupFinished(eq(BackupManager.SUCCESS)); |
| } |
| |
| @Test |
| public void testRunTask_releasesWakeLock() throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport); |
| setUpAgent(PACKAGE_1); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1); |
| |
| runTask(task); |
| |
| assertThat(mWakeLock.isHeld()).isFalse(); |
| } |
| |
| @Test |
| public void testRunTask_callsTransportPerformBackupWithAgentData() throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport); |
| IBackupTransport transportBinder = transportMock.transport; |
| AgentMock agentMock = setUpAgent(PACKAGE_1); |
| agentOnBackupDo( |
| agentMock.agent, |
| (oldState, dataOutput, newState) -> { |
| writeData(dataOutput, "key1", "foo".getBytes()); |
| writeData(dataOutput, "key2", "bar".getBytes()); |
| }); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1); |
| // We need to verify at call time because the file is deleted right after |
| when(transportBinder.performBackup(argThat(packageInfo(PACKAGE_1)), any(), anyInt())) |
| .then(this::mockAndVerifyTransportPerformBackupData); |
| |
| runTask(task); |
| |
| // Already verified data in mockAndVerifyPerformBackupData |
| verify(transportBinder).performBackup(argThat(packageInfo(PACKAGE_1)), any(), anyInt()); |
| } |
| |
| private int mockAndVerifyTransportPerformBackupData(InvocationOnMock invocation) |
| throws IOException { |
| ParcelFileDescriptor data = invocation.getArgument(1); |
| |
| // Verifying that what we passed to the transport is what the agent wrote |
| BackupDataInput dataInput = new BackupDataInput(data.getFileDescriptor()); |
| |
| // "key1" => "foo" |
| assertThat(dataInput.readNextHeader()).isTrue(); |
| assertThat(dataInput.getKey()).isEqualTo("key1"); |
| int size1 = dataInput.getDataSize(); |
| byte[] data1 = new byte[size1]; |
| dataInput.readEntityData(data1, 0, size1); |
| assertThat(data1).isEqualTo("foo".getBytes()); |
| |
| // "key2" => "bar" |
| assertThat(dataInput.readNextHeader()).isTrue(); |
| assertThat(dataInput.getKey()).isEqualTo("key2"); |
| int size2 = dataInput.getDataSize(); |
| byte[] data2 = new byte[size2]; |
| dataInput.readEntityData(data2, 0, size2); |
| assertThat(data2).isEqualTo("bar".getBytes()); |
| |
| // No more |
| assertThat(dataInput.readNextHeader()).isFalse(); |
| |
| return BackupTransport.TRANSPORT_OK; |
| } |
| |
| @Test |
| public void testRunTask_whenPerformBackupSucceeds_callsTransportFinishBackup() |
| throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport); |
| IBackupTransport transportBinder = transportMock.transport; |
| setUpAgent(PACKAGE_1); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1); |
| when(transportBinder.performBackup(argThat(packageInfo(PACKAGE_1)), any(), anyInt())) |
| .thenReturn(BackupTransport.TRANSPORT_OK); |
| |
| runTask(task); |
| |
| verify(transportBinder).finishBackup(); |
| } |
| |
| @Test |
| public void testRunTask_whenProhibitedKey_failsAgent() throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport); |
| AgentMock agentMock = setUpAgent(PACKAGE_1); |
| agentOnBackupDo( |
| agentMock.agent, |
| (oldState, dataOutput, newState) -> { |
| char prohibitedChar = 0xff00; |
| writeData(dataOutput, prohibitedChar + "key", "foo".getBytes()); |
| }); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1); |
| |
| runTask(task); |
| |
| // TODO: Should it not call mListener.onFinished()? PerformBackupTask:891 return? |
| // verify(mListener).onFinished(any()); |
| verify(mObserver).onResult(eq(PACKAGE_1), eq(BackupManager.ERROR_AGENT_FAILURE)); |
| verify(agentMock.agentBinder).fail(any()); |
| } |
| |
| @Test |
| public void testRunTask_whenTransportUnavailable() throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport.unavailable()); |
| setUpAgent(PACKAGE_1); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1); |
| |
| runTask(task); |
| |
| verify(mListener).onFinished(any()); |
| // TODO: Should it be 2 times? (PBT.beginBackup() and PBT.finalizeBackup()) |
| verify(mObserver, times(2)).backupFinished(eq(BackupManager.ERROR_TRANSPORT_ABORTED)); |
| } |
| |
| @Test |
| public void testRunTask_whenTransportRejectsPackage() throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport); |
| setUpAgent(PACKAGE_1); |
| when(transportMock.transport.performBackup( |
| argThat(packageInfo(PACKAGE_1)), any(), anyInt())) |
| .thenReturn(BackupTransport.TRANSPORT_PACKAGE_REJECTED); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1); |
| |
| runTask(task); |
| |
| verify(mObserver).onResult(PACKAGE_1, BackupManager.ERROR_TRANSPORT_PACKAGE_REJECTED); |
| verify(mObserver).backupFinished(BackupManager.SUCCESS); |
| } |
| |
| @Test |
| public void testRunTask_whenTransportRejectsFirstPackageButLastSucceeds() throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport); |
| IBackupTransport transportBinder = transportMock.transport; |
| setUpAgents(PACKAGE_1, PACKAGE_2); |
| when(transportBinder.performBackup(argThat(packageInfo(PACKAGE_1)), any(), anyInt())) |
| .thenReturn(BackupTransport.TRANSPORT_PACKAGE_REJECTED); |
| when(transportBinder.performBackup(argThat(packageInfo(PACKAGE_2)), any(), anyInt())) |
| .thenReturn(BackupTransport.TRANSPORT_OK); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1, |
| PACKAGE_2); |
| |
| runTask(task); |
| |
| verify(mObserver).onResult(PACKAGE_1, BackupManager.ERROR_TRANSPORT_PACKAGE_REJECTED); |
| verify(mObserver).onResult(PACKAGE_2, BackupManager.SUCCESS); |
| verify(mObserver).backupFinished(BackupManager.SUCCESS); |
| } |
| |
| @Test |
| public void testRunTask_whenTransportRejectsLastPackageButFirstSucceeds() throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport); |
| IBackupTransport transportBinder = transportMock.transport; |
| setUpAgents(PACKAGE_1, PACKAGE_2); |
| when(transportBinder.performBackup(argThat(packageInfo(PACKAGE_1)), any(), anyInt())) |
| .thenReturn(BackupTransport.TRANSPORT_OK); |
| when(transportBinder.performBackup(argThat(packageInfo(PACKAGE_2)), any(), anyInt())) |
| .thenReturn(BackupTransport.TRANSPORT_PACKAGE_REJECTED); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1, |
| PACKAGE_2); |
| |
| runTask(task); |
| |
| verify(mObserver).onResult(PACKAGE_1, BackupManager.SUCCESS); |
| verify(mObserver).onResult(PACKAGE_2, BackupManager.ERROR_TRANSPORT_PACKAGE_REJECTED); |
| verify(mObserver).backupFinished(BackupManager.SUCCESS); |
| } |
| |
| @Test |
| public void testRunTask_whenTransportReturnsQuotaExceeded() throws Exception { |
| TransportMock transportMock = setUpTransport(mTransport); |
| AgentMock agentMock = setUpAgent(PACKAGE_1); |
| when(transportMock.transport.performBackup( |
| argThat(packageInfo(PACKAGE_1)), any(), anyInt())) |
| .thenReturn(BackupTransport.TRANSPORT_QUOTA_EXCEEDED); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1); |
| |
| runTask(task); |
| |
| verify(mObserver).onResult(PACKAGE_1, BackupManager.ERROR_TRANSPORT_QUOTA_EXCEEDED); |
| verify(mObserver).backupFinished(BackupManager.SUCCESS); |
| verify(agentMock.agent).onQuotaExceeded(anyLong(), anyLong()); |
| } |
| |
| @Test |
| public void testRunTask_whenAgentUnknown() throws Exception { |
| // Not calling setUpAgent() |
| TransportMock transportMock = setUpTransport(mTransport); |
| PerformBackupTask task = |
| createPerformBackupTask( |
| transportMock.transportClient, |
| mTransport.transportDirName, |
| emptyList(), |
| PACKAGE_1); |
| |
| runTask(task); |
| |
| verify(transportMock.transport, never()).performBackup(any(), any(), anyInt()); |
| verify(mObserver).onResult(PACKAGE_1, BackupManager.ERROR_PACKAGE_NOT_FOUND); |
| verify(mObserver).backupFinished(BackupManager.SUCCESS); |
| } |
| |
| private void runTask(PerformBackupTask task) { |
| Message message = mBackupHandler.obtainMessage(BackupHandler.MSG_BACKUP_RESTORE_STEP, task); |
| mBackupHandler.sendMessage(message); |
| while (mShadowBackupLooper.getScheduler().areAnyRunnable()) { |
| mShadowBackupLooper.runToEndOfTasks(); |
| } |
| } |
| |
| private TransportMock setUpTransport(TransportData transport) throws Exception { |
| TransportMock transportMock = |
| TransportTestUtils.setUpTransport(mTransportManager, transport); |
| File stateDir = new File(mBaseStateDir, transport.transportDirName); |
| assertThat(stateDir.mkdir()).isTrue(); |
| return transportMock; |
| } |
| |
| private List<AgentMock> setUpAgents(String... packageNames) { |
| return Stream.of(packageNames).map(this::setUpAgent).collect(toList()); |
| } |
| |
| private AgentMock setUpAgent(String packageName) { |
| try { |
| PackageInfo packageInfo = new PackageInfo(); |
| packageInfo.packageName = packageName; |
| packageInfo.applicationInfo = new ApplicationInfo(); |
| packageInfo.applicationInfo.flags = ApplicationInfo.FLAG_ALLOW_BACKUP; |
| packageInfo.applicationInfo.backupAgentName = "BackupAgent" + packageName; |
| packageInfo.applicationInfo.packageName = packageName; |
| mShadowPackageManager.setApplicationEnabledSetting( |
| packageName, PackageManager.COMPONENT_ENABLED_STATE_ENABLED, 0); |
| mShadowPackageManager.addPackage(packageInfo); |
| BackupAgent backupAgent = spy(BackupAgent.class); |
| IBackupAgent backupAgentBinder = |
| spy(IBackupAgent.Stub.asInterface(backupAgent.onBind())); |
| // Don't crash our only process (in production code this would crash the app, not us) |
| doNothing().when(backupAgentBinder).fail(any()); |
| when(mBackupManagerService.bindToAgentSynchronous( |
| eq(packageInfo.applicationInfo), anyInt())) |
| .thenReturn(backupAgentBinder); |
| return new AgentMock(backupAgentBinder, backupAgent); |
| } catch (RemoteException e) { |
| // Never happens, compiler happy |
| throw new AssertionError(e); |
| } |
| } |
| |
| private PerformBackupTask createPerformBackupTask( |
| TransportClient transportClient, |
| String transportDirName, |
| List<String> pendingFullBackups, |
| String... packages) { |
| ArrayList<BackupRequest> backupRequests = |
| Stream.of(packages).map(BackupRequest::new).collect(toCollection(ArrayList::new)); |
| mWakeLock.acquire(); |
| PerformBackupTask task = |
| new PerformBackupTask( |
| mBackupManagerService, |
| transportClient, |
| transportDirName, |
| backupRequests, |
| mDataChangedJournal, |
| mObserver, |
| mMonitor, |
| mListener, |
| pendingFullBackups, |
| /* userInitiated */ false, |
| /* nonIncremental */ true); |
| mBackupManager.setUp(mBackupHandler, task); |
| return task; |
| } |
| |
| /** Matches {@link PackageInfo} whose package name is {@code packageName}. */ |
| private static ArgumentMatcher<PackageInfo> packageInfo(String packageName) { |
| // We have to test for packageInfo nulity because of Mockito's own stubbing with argThat(). |
| // E.g. if you do: |
| // |
| // 1. when(object.method(argThat(str -> str.equals("foo")))).thenReturn(0) |
| // 2. when(object.method(argThat(str -> str.equals("bar")))).thenReturn(2) |
| // |
| // The second line will throw NPE because it will call lambda 1 with null, since argThat() |
| // returns null. So we guard against that by checking for null. |
| return packageInfo -> packageInfo != null && packageName.equals(packageInfo.packageName); |
| } |
| |
| private static ArgumentMatcher<BackupDataOutput> dataOutputWithTransportFlags(int flags) { |
| return dataOutput -> dataOutput.getTransportFlags() == flags; |
| } |
| |
| private static void writeData(BackupDataOutput dataOutput, String key, byte[] data) |
| throws IOException { |
| dataOutput.writeEntityHeader(key, data.length); |
| dataOutput.writeEntityData(data, data.length); |
| } |
| |
| private static void agentOnBackupDo(BackupAgent agent, BackupAgentOnBackup function) |
| throws Exception { |
| doAnswer(function).when(agent).onBackup(any(), any(), any()); |
| } |
| |
| @FunctionalInterface |
| private interface BackupAgentOnBackup extends Answer<Void> { |
| void onBackup( |
| ParcelFileDescriptor oldState, |
| BackupDataOutput dataOutput, |
| ParcelFileDescriptor newState) |
| throws IOException; |
| |
| @Override |
| default Void answer(InvocationOnMock invocation) throws Throwable { |
| onBackup( |
| invocation.getArgument(0), |
| invocation.getArgument(1), |
| invocation.getArgument(2)); |
| return null; |
| } |
| } |
| |
| private static class AgentMock { |
| private final IBackupAgent agentBinder; |
| private final BackupAgent agent; |
| |
| private AgentMock(IBackupAgent agentBinder, BackupAgent agent) { |
| this.agentBinder = agentBinder; |
| this.agent = agent; |
| } |
| } |
| |
| private abstract static class FakeIBackupManager extends IBackupManager.Stub { |
| private Handler mBackupHandler; |
| private BackupRestoreTask mTask; |
| |
| public FakeIBackupManager() {} |
| |
| private void setUp(Handler backupHandler, BackupRestoreTask task) { |
| mBackupHandler = backupHandler; |
| mTask = task; |
| } |
| |
| @Override |
| public void opComplete(int token, long result) throws RemoteException { |
| assertThat(mTask).isNotNull(); |
| Message message = |
| mBackupHandler.obtainMessage( |
| BackupHandler.MSG_OP_COMPLETE, Pair.create(mTask, result)); |
| mBackupHandler.sendMessage(message); |
| } |
| } |
| } |
