src.com.android.server.backup.UserBackupManagerServiceTest Maven / Gradle / Ivy
/*
* 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.startSilentBackupThread;
import static com.android.server.backup.testing.TransportData.backupTransport;
import static com.android.server.backup.testing.TransportData.d2dTransport;
import static com.android.server.backup.testing.TransportData.localTransport;
import static com.android.server.backup.testing.TransportTestUtils.setUpCurrentTransport;
import static com.android.server.backup.testing.TransportTestUtils.setUpTransports;
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.eq;
import static org.mockito.Mockito.mock;
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 org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.expectThrows;
import android.app.backup.BackupManager;
import android.app.backup.IBackupObserver;
import android.app.backup.ISelectBackupTransportCallback;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.os.Binder;
import android.os.HandlerThread;
import android.os.PowerManager;
import android.os.PowerSaveState;
import android.os.UserHandle;
import android.platform.test.annotations.Presubmit;
import android.provider.Settings;
import com.android.server.backup.testing.BackupManagerServiceTestUtils;
import com.android.server.backup.testing.TransportData;
import com.android.server.backup.testing.TransportTestUtils.TransportMock;
import com.android.server.backup.transport.TransportNotRegisteredException;
import com.android.server.testing.shadows.ShadowBackupEligibilityRules;
import com.android.server.testing.shadows.ShadowApplicationPackageManager;
import com.android.server.testing.shadows.ShadowBinder;
import com.android.server.testing.shadows.ShadowKeyValueBackupJob;
import com.android.server.testing.shadows.ShadowKeyValueBackupTask;
import com.android.server.testing.shadows.ShadowSystemServiceRegistry;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Config;
import org.robolectric.annotation.Implements;
import org.robolectric.shadows.ShadowContextWrapper;
import org.robolectric.shadows.ShadowLooper;
import org.robolectric.shadows.ShadowPackageManager;
import java.io.File;
import java.io.FileDescriptor;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* Tests for the per-user instance of the backup/restore system service {@link
* UserBackupManagerService} that performs operations for its target user.
*/
@RunWith(RobolectricTestRunner.class)
@Config(
shadows = {
ShadowBackupEligibilityRules.class,
ShadowApplicationPackageManager.class,
ShadowSystemServiceRegistry.class
})
@Presubmit
public class UserBackupManagerServiceTest {
private static final String TAG = "BMSTest";
private static final String PACKAGE_1 = "some.package.1";
private static final String PACKAGE_2 = "some.package.2";
private static final String USER_FACING_PACKAGE = "user.facing.package";
private static final int USER_ID = 10;
@Mock private TransportManager mTransportManager;
private HandlerThread mBackupThread;
private ShadowLooper mShadowBackupLooper;
private File mBaseStateDir;
private File mDataDir;
private ShadowContextWrapper mShadowContext;
private Context mContext;
private TransportData mTransport;
private String mTransportName;
private ShadowPackageManager mShadowPackageManager;
/**
* Initialize state that {@link UserBackupManagerService} operations interact with. This
* includes setting up the transport, starting the backup thread, and creating backup data
* directories.
*/
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
mTransport = backupTransport();
mTransportName = mTransport.transportName;
// Unrelated exceptions are thrown in the backup thread. Until we mock everything properly
// we should not fail tests because of this. This is not flakiness, the exceptions thrown
// don't interfere with the tests.
mBackupThread = startSilentBackupThread(TAG);
mShadowBackupLooper = shadowOf(mBackupThread.getLooper());
ContextWrapper context = RuntimeEnvironment.application;
mShadowPackageManager = shadowOf(context.getPackageManager());
mContext = context;
mShadowContext = shadowOf(context);
File cacheDir = mContext.getCacheDir();
// Corresponds to /data/backup
mBaseStateDir = new File(cacheDir, "base_state");
// Corresponds to /cache/backup_stage
mDataDir = new File(cacheDir, "data");
}
/**
* Clean up and reset state that was created for testing {@link UserBackupManagerService}
* operations.
*/
@After
public void tearDown() throws Exception {
mBackupThread.quit();
ShadowBackupEligibilityRules.reset();
ShadowApplicationPackageManager.reset();
}
/**
* Test verifying that {@link UserBackupManagerService#getDestinationString(String)} returns the
* current destination string of inputted transport if the transport is registered.
*/
@Test
public void testDestinationString() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
when(mTransportManager.getTransportCurrentDestinationString(eq(mTransportName)))
.thenReturn("destinationString");
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
String destination = backupManagerService.getDestinationString(mTransportName);
assertThat(destination).isEqualTo("destinationString");
}
/**
* Test verifying that {@link UserBackupManagerService#getDestinationString(String)} returns
* {@code null} if the inputted transport is not registered.
*/
@Test
public void testDestinationString_whenTransportNotRegistered() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
when(mTransportManager.getTransportCurrentDestinationString(eq(mTransportName)))
.thenThrow(TransportNotRegisteredException.class);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
String destination = backupManagerService.getDestinationString(mTransportName);
assertThat(destination).isNull();
}
/**
* Test verifying that {@link UserBackupManagerService#getDestinationString(String)} throws a
* {@link SecurityException} if the caller does not have backup permission.
*/
@Test
public void testDestinationString_withoutPermission() throws Exception {
mShadowContext.denyPermissions(android.Manifest.permission.BACKUP);
when(mTransportManager.getTransportCurrentDestinationString(eq(mTransportName)))
.thenThrow(TransportNotRegisteredException.class);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
SecurityException.class,
() -> backupManagerService.getDestinationString(mTransportName));
}
/**
* Test verifying that {@link UserBackupManagerService#isAppEligibleForBackup(String)} returns
* {@code false} when the given app is not eligible for backup.
*/
@Test
public void testIsAppEligibleForBackup_whenAppNotEligible() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
setUpCurrentTransport(mTransportManager, mTransport);
registerPackages(PACKAGE_1);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
boolean result = backupManagerService.isAppEligibleForBackup(PACKAGE_1);
assertThat(result).isFalse();
}
/**
* Test verifying that {@link UserBackupManagerService#isAppEligibleForBackup(String)} returns
* {@code true} when the given app is eligible for backup.
*/
@Test
public void testIsAppEligibleForBackup_whenAppEligible() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
TransportMock transportMock = setUpCurrentTransport(mTransportManager, backupTransport());
registerPackages(PACKAGE_1);
ShadowBackupEligibilityRules.setAppRunningAndEligibleForBackupWithTransport(PACKAGE_1);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
boolean result = backupManagerService.isAppEligibleForBackup(PACKAGE_1);
assertThat(result).isTrue();
verify(mTransportManager)
.disposeOfTransportClient(eq(transportMock.transportClient), any());
}
/**
* Test verifying that {@link UserBackupManagerService#isAppEligibleForBackup(String)} throws a
* {@link SecurityException} if the caller does not have backup permission.
*/
@Test
public void testIsAppEligibleForBackup_withoutPermission() throws Exception {
mShadowContext.denyPermissions(android.Manifest.permission.BACKUP);
setUpCurrentTransport(mTransportManager, mTransport);
registerPackages(PACKAGE_1);
ShadowBackupEligibilityRules.setAppRunningAndEligibleForBackupWithTransport(PACKAGE_1);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
SecurityException.class,
() -> backupManagerService.isAppEligibleForBackup(PACKAGE_1));
}
/**
* Test verifying that {@link UserBackupManagerService#filterAppsEligibleForBackup(String[])}
* returns an {@code array} of only apps that are eligible for backup from an {@array} of
* inputted apps.
*/
@Test
public void testFilterAppsEligibleForBackup() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
TransportMock transportMock = setUpCurrentTransport(mTransportManager, mTransport);
registerPackages(PACKAGE_1, PACKAGE_2);
ShadowBackupEligibilityRules.setAppRunningAndEligibleForBackupWithTransport(PACKAGE_1);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
String[] filtered =
backupManagerService.filterAppsEligibleForBackup(
new String[] {PACKAGE_1, PACKAGE_2});
assertThat(filtered).asList().containsExactly(PACKAGE_1);
verify(mTransportManager)
.disposeOfTransportClient(eq(transportMock.transportClient), any());
}
/**
* Test verifying that {@link UserBackupManagerService#filterAppsEligibleForBackup(String[])}
* returns an empty {@code array} if no inputted apps are eligible for backup.
*/
@Test
public void testFilterAppsEligibleForBackup_whenNoneIsEligible() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
registerPackages(PACKAGE_1, PACKAGE_2);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
String[] filtered =
backupManagerService.filterAppsEligibleForBackup(
new String[] {PACKAGE_1, PACKAGE_2});
assertThat(filtered).isEmpty();
}
/**
* Test verifying that {@link UserBackupManagerService#filterAppsEligibleForBackup(String[])}
* throws a {@link SecurityException} if the caller does not have backup permission.
*/
@Test
public void testFilterAppsEligibleForBackup_withoutPermission() throws Exception {
mShadowContext.denyPermissions(android.Manifest.permission.BACKUP);
setUpCurrentTransport(mTransportManager, mTransport);
registerPackages(PACKAGE_1, PACKAGE_2);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
SecurityException.class,
() ->
backupManagerService.filterAppsEligibleForBackup(
new String[] {PACKAGE_1, PACKAGE_2}));
}
/* Tests for select transport */
private ComponentName mNewTransportComponent;
private TransportData mNewTransport;
private TransportMock mNewTransportMock;
private TransportData mOldTransport;
private TransportMock mOldTransportMock;
private void setUpForSelectTransport() throws Exception {
mNewTransport = backupTransport();
mNewTransportComponent = mNewTransport.getTransportComponent();
mOldTransport = d2dTransport();
List transportMocks =
setUpTransports(mTransportManager, mNewTransport, mOldTransport, localTransport());
mNewTransportMock = transportMocks.get(0);
mOldTransportMock = transportMocks.get(1);
when(mTransportManager.selectTransport(eq(mNewTransport.transportName)))
.thenReturn(mOldTransport.transportName);
}
/**
* Test verifying that {@link UserBackupManagerService#selectBackupTransport(String)}
* successfully switches the current transport to the inputted transport, returns the name of
* the old transport, and disposes of the transport client after the operation.
*/
@Test
public void testSelectBackupTransport() throws Exception {
setUpForSelectTransport();
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
String oldTransport =
backupManagerService.selectBackupTransport(mNewTransport.transportName);
assertThat(getSettingsTransport()).isEqualTo(mNewTransport.transportName);
assertThat(oldTransport).isEqualTo(mOldTransport.transportName);
verify(mTransportManager)
.disposeOfTransportClient(eq(mNewTransportMock.transportClient), any());
}
/**
* Test verifying that {@link UserBackupManagerService#selectBackupTransport(String)} throws a
* {@link SecurityException} if the caller does not have backup permission.
*/
@Test
public void testSelectBackupTransport_withoutPermission() throws Exception {
setUpForSelectTransport();
mShadowContext.denyPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
SecurityException.class,
() -> backupManagerService.selectBackupTransport(mNewTransport.transportName));
}
/**
* Test verifying that {@link UserBackupManagerService#selectBackupTransportAsync(ComponentName,
* ISelectBackupTransportCallback)} successfully switches the current transport to the inputted
* transport and disposes of the transport client after the operation.
*/
@Test
public void testSelectBackupTransportAsync() throws Exception {
setUpForSelectTransport();
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
when(mTransportManager.registerAndSelectTransport(eq(mNewTransportComponent)))
.thenReturn(BackupManager.SUCCESS);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
ISelectBackupTransportCallback callback = mock(ISelectBackupTransportCallback.class);
backupManagerService.selectBackupTransportAsync(mNewTransportComponent, callback);
mShadowBackupLooper.runToEndOfTasks();
assertThat(getSettingsTransport()).isEqualTo(mNewTransport.transportName);
verify(callback).onSuccess(eq(mNewTransport.transportName));
verify(mTransportManager)
.disposeOfTransportClient(eq(mNewTransportMock.transportClient), any());
}
/**
* Test verifying that {@link UserBackupManagerService#selectBackupTransportAsync(ComponentName,
* ISelectBackupTransportCallback)} does not switch the current transport to the inputted
* transport and notifies the inputted callback of failure when it fails to register the
* transport.
*/
@Test
public void testSelectBackupTransportAsync_whenRegistrationFails() throws Exception {
setUpForSelectTransport();
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
when(mTransportManager.registerAndSelectTransport(eq(mNewTransportComponent)))
.thenReturn(BackupManager.ERROR_TRANSPORT_UNAVAILABLE);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
ISelectBackupTransportCallback callback = mock(ISelectBackupTransportCallback.class);
backupManagerService.selectBackupTransportAsync(mNewTransportComponent, callback);
mShadowBackupLooper.runToEndOfTasks();
assertThat(getSettingsTransport()).isNotEqualTo(mNewTransport.transportName);
verify(callback).onFailure(anyInt());
}
/**
* Test verifying that {@link UserBackupManagerService#selectBackupTransportAsync(ComponentName,
* ISelectBackupTransportCallback)} does not switch the current transport to the inputted
* transport and notifies the inputted callback of failure when the transport gets unregistered.
*/
@Test
public void testSelectBackupTransportAsync_whenTransportGetsUnregistered() throws Exception {
setUpTransports(mTransportManager, mTransport.unregistered());
ComponentName newTransportComponent = mTransport.getTransportComponent();
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
when(mTransportManager.registerAndSelectTransport(eq(newTransportComponent)))
.thenReturn(BackupManager.SUCCESS);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
ISelectBackupTransportCallback callback = mock(ISelectBackupTransportCallback.class);
backupManagerService.selectBackupTransportAsync(newTransportComponent, callback);
mShadowBackupLooper.runToEndOfTasks();
assertThat(getSettingsTransport()).isNotEqualTo(mTransportName);
verify(callback).onFailure(anyInt());
}
/**
* Test verifying that {@link UserBackupManagerService#selectBackupTransportAsync(ComponentName,
* ISelectBackupTransportCallback)} throws a {@link SecurityException} if the caller does not
* have backup permission.
*/
@Test
public void testSelectBackupTransportAsync_withoutPermission() throws Exception {
setUpForSelectTransport();
mShadowContext.denyPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
ComponentName newTransportComponent = mNewTransport.getTransportComponent();
expectThrows(
SecurityException.class,
() ->
backupManagerService.selectBackupTransportAsync(
newTransportComponent, mock(ISelectBackupTransportCallback.class)));
}
private String getSettingsTransport() {
return Settings.Secure.getString(
mContext.getContentResolver(), Settings.Secure.BACKUP_TRANSPORT);
}
/**
* Test verifying that {@link UserBackupManagerService#getCurrentTransportComponent()} returns
* the {@link ComponentName} of the currently selected transport.
*/
@Test
public void testGetCurrentTransportComponent() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
when(mTransportManager.getCurrentTransportComponent())
.thenReturn(mTransport.getTransportComponent());
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
ComponentName transportComponent = backupManagerService.getCurrentTransportComponent();
assertThat(transportComponent).isEqualTo(mTransport.getTransportComponent());
}
/**
* Test verifying that {@link UserBackupManagerService#getCurrentTransportComponent()} returns
* {@code null} if there is no currently selected transport.
*/
@Test
public void testGetCurrentTransportComponent_whenNoTransportSelected() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
when(mTransportManager.getCurrentTransportComponent()).thenReturn(null);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
ComponentName transportComponent = backupManagerService.getCurrentTransportComponent();
assertThat(transportComponent).isNull();
}
/**
* Test verifying that {@link UserBackupManagerService#getCurrentTransportComponent()} returns
* {@code null} if the currently selected transport is not registered.
*/
@Test
public void testGetCurrentTransportComponent_whenTransportNotRegistered() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
when(mTransportManager.getCurrentTransportComponent())
.thenThrow(TransportNotRegisteredException.class);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
ComponentName transportComponent = backupManagerService.getCurrentTransportComponent();
assertThat(transportComponent).isNull();
}
/**
* Test verifying that {@link UserBackupManagerService#getCurrentTransportComponent()} throws a
* {@link SecurityException} if the caller does not have backup permission.
*/
@Test
public void testGetCurrentTransportComponent_withoutPermission() throws Exception {
mShadowContext.denyPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(SecurityException.class, backupManagerService::getCurrentTransportComponent);
}
/**
* Test verifying that {@link UserBackupManagerService#excludeKeysFromRestore(String, List)}
* throws a {@link SecurityException} if the caller does not have backup permission.
*/
@Test
public void testExcludeKeysFromRestore_withoutPermission() throws Exception {
mShadowContext.denyPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
SecurityException.class,
() ->
backupManagerService.excludeKeysFromRestore(
PACKAGE_1,
new ArrayList(){}));
}
/* Tests for updating transport attributes */
private static final int PACKAGE_UID = 10;
private ComponentName mTransportComponent;
private int mTransportUid;
private void setUpForUpdateTransportAttributes() throws Exception {
mTransportComponent = mTransport.getTransportComponent();
String transportPackage = mTransportComponent.getPackageName();
PackageInfo packageInfo = getPackageInfo(transportPackage);
ShadowPackageManager shadowPackageManager = shadowOf(mContext.getPackageManager());
shadowPackageManager.installPackage(packageInfo);
shadowPackageManager.setPackagesForUid(PACKAGE_UID, transportPackage);
// Set up for user invocations on ApplicationPackageManager.
ShadowApplicationPackageManager.addInstalledPackage(transportPackage, packageInfo);
ShadowApplicationPackageManager.setPackageUid(transportPackage, PACKAGE_UID);
mTransportUid = mContext.getPackageManager().getPackageUid(transportPackage, 0);
}
/**
* Test verifying that {@link UserBackupManagerService#updateTransportAttributes(int,
* ComponentName, String, Intent, String, Intent, String)} succeeds if the uid of the transport
* is same as the uid of the caller.
*/
@Test
public void
testUpdateTransportAttributes_whenTransportUidEqualsCallingUid_callsTransportManager()
throws Exception {
setUpForUpdateTransportAttributes();
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
Intent configurationIntent = new Intent();
Intent dataManagementIntent = new Intent();
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
backupManagerService.updateTransportAttributes(
mTransportUid,
mTransportComponent,
mTransportName,
configurationIntent,
"currentDestinationString",
dataManagementIntent,
"dataManagementLabel");
verify(mTransportManager)
.updateTransportAttributes(
eq(mTransportComponent),
eq(mTransportName),
eq(configurationIntent),
eq("currentDestinationString"),
eq(dataManagementIntent),
eq("dataManagementLabel"));
}
/**
* Test verifying that {@link UserBackupManagerService#updateTransportAttributes(int,
* ComponentName, String, Intent, String, Intent, String)} throws a {@link SecurityException} if
* the uid of the transport is not equal to the uid of the caller.
*/
@Test
public void testUpdateTransportAttributes_whenTransportUidNotEqualToCallingUid_throwsException()
throws Exception {
setUpForUpdateTransportAttributes();
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
SecurityException.class,
() ->
backupManagerService.updateTransportAttributes(
mTransportUid + 1,
mTransportComponent,
mTransportName,
new Intent(),
"currentDestinationString",
new Intent(),
"dataManagementLabel"));
}
/**
* Test verifying that {@link UserBackupManagerService#updateTransportAttributes(int,
* ComponentName, String, Intent, String, Intent, String)} throws a {@link RuntimeException} if
* given a {@code null} transport component.
*/
@Test
public void testUpdateTransportAttributes_whenTransportComponentNull_throwsException()
throws Exception {
setUpForUpdateTransportAttributes();
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
RuntimeException.class,
() ->
backupManagerService.updateTransportAttributes(
mTransportUid,
null,
mTransportName,
new Intent(),
"currentDestinationString",
new Intent(),
"dataManagementLabel"));
}
/**
* Test verifying that {@link UserBackupManagerService#updateTransportAttributes(int,
* ComponentName, String, Intent, String, Intent, String)} throws a {@link RuntimeException} if
* given a {@code null} transport name.
*/
@Test
public void testUpdateTransportAttributes_whenNameNull_throwsException() throws Exception {
setUpForUpdateTransportAttributes();
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
RuntimeException.class,
() ->
backupManagerService.updateTransportAttributes(
mTransportUid,
mTransportComponent,
null,
new Intent(),
"currentDestinationString",
new Intent(),
"dataManagementLabel"));
}
/**
* Test verifying that {@link UserBackupManagerService#updateTransportAttributes(int,
* ComponentName, String, Intent, String, Intent, String)} throws a {@link RuntimeException} if
* given a {@code null} destination string.
*/
@Test
public void testUpdateTransportAttributes_whenCurrentDestinationStringNull_throwsException()
throws Exception {
setUpForUpdateTransportAttributes();
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
RuntimeException.class,
() ->
backupManagerService.updateTransportAttributes(
mTransportUid,
mTransportComponent,
mTransportName,
new Intent(),
null,
new Intent(),
"dataManagementLabel"));
}
/**
* Test verifying that {@link UserBackupManagerService#updateTransportAttributes(int,
* ComponentName, String, Intent, String, Intent, String)} throws a {@link RuntimeException} if
* given either a {@code null} data management label or {@code null} data management intent, but
* not both.
*/
@Test
public void
testUpdateTransportAttributes_whenDataManagementArgsNullityDontMatch_throwsException()
throws Exception {
setUpForUpdateTransportAttributes();
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
RuntimeException.class,
() ->
backupManagerService.updateTransportAttributes(
mTransportUid,
mTransportComponent,
mTransportName,
new Intent(),
"currentDestinationString",
null,
"dataManagementLabel"));
expectThrows(
RuntimeException.class,
() ->
backupManagerService.updateTransportAttributes(
mTransportUid,
mTransportComponent,
mTransportName,
new Intent(),
"currentDestinationString",
new Intent(),
null));
}
/**
* Test verifying that {@link UserBackupManagerService#updateTransportAttributes(int,
* ComponentName, String, Intent, String, Intent, String)} succeeds if the caller has backup
* permission.
*/
@Test
public void testUpdateTransportAttributes_whenPermissionGranted_callsThroughToTransportManager()
throws Exception {
setUpForUpdateTransportAttributes();
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
Intent configurationIntent = new Intent();
Intent dataManagementIntent = new Intent();
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
backupManagerService.updateTransportAttributes(
mTransportUid,
mTransportComponent,
mTransportName,
configurationIntent,
"currentDestinationString",
dataManagementIntent,
"dataManagementLabel");
verify(mTransportManager)
.updateTransportAttributes(
eq(mTransportComponent),
eq(mTransportName),
eq(configurationIntent),
eq("currentDestinationString"),
eq(dataManagementIntent),
eq("dataManagementLabel"));
}
/**
* Test verifying that {@link UserBackupManagerService#updateTransportAttributes(int,
* ComponentName, String, Intent, String, Intent, String)} throws a {@link SecurityException} if
* the caller does not have backup permission.
*/
@Test
public void testUpdateTransportAttributes_whenPermissionDenied_throwsSecurityException()
throws Exception {
setUpForUpdateTransportAttributes();
mShadowContext.denyPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
SecurityException.class,
() ->
backupManagerService.updateTransportAttributes(
mTransportUid,
mTransportComponent,
mTransportName,
new Intent(),
"currentDestinationString",
new Intent(),
"dataManagementLabel"));
}
/* Tests for request backup */
@Mock private IBackupObserver mObserver;
private void setUpForRequestBackup(String... packages) throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
for (String packageName : packages) {
registerPackages(packageName);
ShadowBackupEligibilityRules.setAppRunningAndEligibleForBackupWithTransport(packageName);
}
setUpCurrentTransport(mTransportManager, mTransport);
}
private void tearDownForRequestBackup() {
ShadowKeyValueBackupTask.reset();
}
/**
* Test verifying that {@link UserBackupManagerService#requestBackup(String[], IBackupObserver,
* int)} throws a {@link SecurityException} if the caller does not have backup permission.
*/
@Test
public void testRequestBackup_whenPermissionDenied() throws Exception {
mShadowContext.denyPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
SecurityException.class,
() -> backupManagerService.requestBackup(new String[] {PACKAGE_1}, mObserver, 0));
}
/**
* Test verifying that {@link UserBackupManagerService#requestBackup(String[], IBackupObserver,
* int)} throws an {@link IllegalArgumentException} if passed {@null} for packages.
*/
@Test
public void testRequestBackup_whenPackagesNull() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
IllegalArgumentException.class,
() -> backupManagerService.requestBackup(null, mObserver, 0));
verify(mObserver).backupFinished(BackupManager.ERROR_TRANSPORT_ABORTED);
}
/**
* Test verifying that {@link UserBackupManagerService#requestBackup(String[], IBackupObserver,
* int)} throws an {@link IllegalArgumentException} if passed an empty {@code array} for
* packages.
*/
@Test
public void testRequestBackup_whenPackagesEmpty() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
expectThrows(
IllegalArgumentException.class,
() -> backupManagerService.requestBackup(new String[0], mObserver, 0));
verify(mObserver).backupFinished(BackupManager.ERROR_TRANSPORT_ABORTED);
}
/**
* Test verifying that {@link UserBackupManagerService#requestBackup(String[], IBackupObserver,
* int)} returns {@link BackupManager#ERROR_BACKUP_NOT_ALLOWED} if backup is disabled.
*/
@Test
public void testRequestBackup_whenBackupDisabled() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
backupManagerService.setEnabled(false);
int result = backupManagerService.requestBackup(new String[] {PACKAGE_1}, mObserver, 0);
assertThat(result).isEqualTo(BackupManager.ERROR_BACKUP_NOT_ALLOWED);
verify(mObserver).backupFinished(BackupManager.ERROR_BACKUP_NOT_ALLOWED);
}
/**
* Test verifying that {@link UserBackupManagerService#requestBackup(String[], IBackupObserver,
* int)} returns {@link BackupManager#ERROR_BACKUP_NOT_ALLOWED} if the system user hasn't gone
* through SUW.
*/
@Test
public void testRequestBackup_whenNotProvisioned() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
backupManagerService.setSetupComplete(false);
int result = backupManagerService.requestBackup(new String[] {PACKAGE_1}, mObserver, 0);
assertThat(result).isEqualTo(BackupManager.ERROR_BACKUP_NOT_ALLOWED);
verify(mObserver).backupFinished(BackupManager.ERROR_BACKUP_NOT_ALLOWED);
}
/**
* Test verifying that {@link UserBackupManagerService#requestBackup(String[], IBackupObserver,
* int)} returns {@link BackupManager#ERROR_TRANSPORT_ABORTED} if the current transport is not
* registered.
*/
@Test
public void testRequestBackup_whenTransportNotRegistered() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
setUpCurrentTransport(mTransportManager, mTransport.unregistered());
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
backupManagerService.setEnabled(true);
backupManagerService.setSetupComplete(true);
int result = backupManagerService.requestBackup(new String[] {PACKAGE_1}, mObserver, 0);
assertThat(result).isEqualTo(BackupManager.ERROR_TRANSPORT_ABORTED);
verify(mObserver).backupFinished(BackupManager.ERROR_TRANSPORT_ABORTED);
}
/**
* Test verifying that {@link UserBackupManagerService#requestBackup(String[], IBackupObserver,
* int)} returns {@link BackupManager#SUCCESS} and notifies the observer of {@link
* BackupManager#ERROR_BACKUP_NOT_ALLOWED} if the specified app is not eligible for backup.
*/
@Test
public void testRequestBackup_whenAppNotEligibleForBackup() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
registerPackages(PACKAGE_1);
setUpCurrentTransport(mTransportManager, mTransport);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
backupManagerService.setEnabled(true);
backupManagerService.setSetupComplete(true);
// Haven't set PACKAGE_1 as eligible
int result = backupManagerService.requestBackup(new String[] {PACKAGE_1}, mObserver, 0);
assertThat(result).isEqualTo(BackupManager.SUCCESS);
verify(mObserver).onResult(PACKAGE_1, BackupManager.ERROR_BACKUP_NOT_ALLOWED);
// TODO: We probably don't need to kick-off KeyValueBackupTask when list is empty
tearDownForRequestBackup();
}
/**
* Test verifying that {@link UserBackupManagerService#requestBackup(String[], IBackupObserver,
* int)} returns {@link BackupManager#SUCCESS} and updates bookkeeping if backup for a key value
* package succeeds.
*/
@Test
@Config(shadows = ShadowKeyValueBackupTask.class)
public void testRequestBackup_whenPackageIsKeyValue() throws Exception {
setUpForRequestBackup(PACKAGE_1);
UserBackupManagerService backupManagerService =
createBackupManagerServiceForRequestBackup();
int result = backupManagerService.requestBackup(new String[] {PACKAGE_1}, mObserver, 0);
mShadowBackupLooper.runToEndOfTasks();
assertThat(result).isEqualTo(BackupManager.SUCCESS);
ShadowKeyValueBackupTask shadowTask = ShadowKeyValueBackupTask.getLastCreated();
assertThat(shadowTask.getQueue()).containsExactly(PACKAGE_1);
assertThat(shadowTask.getPendingFullBackups()).isEmpty();
// TODO: Assert more about KeyValueBackupTask
tearDownForRequestBackup();
}
/**
* Test verifying that {@link UserBackupManagerService#requestBackup(String[], IBackupObserver,
* int)} returns {@link BackupManager#SUCCESS} and updates bookkeeping if backup for a full
* backup package succeeds.
*/
@Test
@Config(shadows = ShadowKeyValueBackupTask.class)
public void testRequestBackup_whenPackageIsFullBackup() throws Exception {
setUpForRequestBackup(PACKAGE_1);
ShadowBackupEligibilityRules.setAppGetsFullBackup(PACKAGE_1);
UserBackupManagerService backupManagerService =
createBackupManagerServiceForRequestBackup();
int result = backupManagerService.requestBackup(new String[] {PACKAGE_1}, mObserver, 0);
mShadowBackupLooper.runToEndOfTasks();
assertThat(result).isEqualTo(BackupManager.SUCCESS);
ShadowKeyValueBackupTask shadowTask = ShadowKeyValueBackupTask.getLastCreated();
assertThat(shadowTask.getQueue()).isEmpty();
assertThat(shadowTask.getPendingFullBackups()).containsExactly(PACKAGE_1);
// TODO: Assert more about KeyValueBackupTask
tearDownForRequestBackup();
}
/**
* Test verifying that {@link UserBackupManagerService#backupNow()} clears the calling identity
* for scheduling a job and then restores the original calling identity after the operation.
*/
@Test
@Config(shadows = {ShadowBinder.class, ShadowKeyValueBackupJob.class})
public void testBackupNow_clearsCallingIdentityForJobScheduler() {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
setUpPowerManager(backupManagerService);
ShadowBinder.setCallingUid(1);
backupManagerService.backupNow();
assertThat(ShadowKeyValueBackupJob.getCallingUid()).isEqualTo(ShadowBinder.LOCAL_UID);
assertThat(Binder.getCallingUid()).isEqualTo(1);
}
/**
* Test verifying that {@link UserBackupManagerService#backupNow()} restores the original
* calling identity if an exception is thrown during execution.
*/
@Test
@Config(shadows = {ShadowBinder.class, ShadowKeyValueBackupJobException.class})
public void testBackupNow_whenExceptionThrown_restoresCallingIdentity() {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
setUpPowerManager(backupManagerService);
ShadowBinder.setCallingUid(1);
expectThrows(IllegalArgumentException.class, backupManagerService::backupNow);
assertThat(ShadowKeyValueBackupJobException.getCallingUid())
.isEqualTo(ShadowBinder.LOCAL_UID);
assertThat(Binder.getCallingUid()).isEqualTo(1);
}
private UserBackupManagerService createBackupManagerServiceForRequestBackup() {
UserBackupManagerService backupManagerService = createUserBackupManagerServiceAndRunTasks();
backupManagerService.setEnabled(true);
backupManagerService.setSetupComplete(true);
return backupManagerService;
}
/**
* Test verifying that creating a new instance posts a transport registration task to the backup
* thread.
*/
@Test
public void testCreateAndInitializeService_postRegisterTransports() {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService.createAndInitializeService(
USER_ID,
mContext,
new BackupManagerService(mContext),
mBackupThread,
mBaseStateDir,
mDataDir,
mTransportManager);
mShadowBackupLooper.runToEndOfTasks();
verify(mTransportManager).registerTransports();
}
/**
* Test verifying that creating a new instance does not directly register transports on the main
* thread.
*/
@Test
public void testCreateAndInitializeService_doesNotRegisterTransportsSynchronously() {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService.createAndInitializeService(
USER_ID,
mContext,
new BackupManagerService(mContext),
mBackupThread,
mBaseStateDir,
mDataDir,
mTransportManager);
// Operations posted to mBackupThread only run with mShadowBackupLooper.runToEndOfTasks()
verify(mTransportManager, never()).registerTransports();
}
/** Test checking non-null argument on instance creation. */
@Test
public void testCreateAndInitializeService_withNullContext_throws() {
expectThrows(
NullPointerException.class,
() ->
UserBackupManagerService.createAndInitializeService(
USER_ID,
/* context */ null,
new BackupManagerService(mContext),
mBackupThread,
mBaseStateDir,
mDataDir,
mTransportManager));
}
/** Test checking non-null argument on instance creation. */
@Test
public void testCreateAndInitializeService_withNullTrampoline_throws() {
expectThrows(
NullPointerException.class,
() ->
UserBackupManagerService.createAndInitializeService(
USER_ID,
mContext,
/* trampoline */ null,
mBackupThread,
mBaseStateDir,
mDataDir,
mTransportManager));
}
/** Test checking non-null argument on instance creation. */
@Test
public void testCreateAndInitializeService_withNullBackupThread_throws() {
expectThrows(
NullPointerException.class,
() ->
UserBackupManagerService.createAndInitializeService(
USER_ID,
mContext,
new BackupManagerService(mContext),
/* backupThread */ null,
mBaseStateDir,
mDataDir,
mTransportManager));
}
/** Test checking non-null argument on instance creation. */
@Test
public void testCreateAndInitializeService_withNullStateDir_throws() {
expectThrows(
NullPointerException.class,
() ->
UserBackupManagerService.createAndInitializeService(
USER_ID,
mContext,
new BackupManagerService(mContext),
mBackupThread,
/* baseStateDir */ null,
mDataDir,
mTransportManager));
}
/**
* Test checking non-null argument on {@link
* UserBackupManagerService#createAndInitializeService(int, Context, BackupManagerService,
* HandlerThread, File, File, TransportManager)}.
*/
@Test
public void testCreateAndInitializeService_withNullDataDir_throws() {
expectThrows(
NullPointerException.class,
() ->
UserBackupManagerService.createAndInitializeService(
USER_ID,
mContext,
new BackupManagerService(mContext),
mBackupThread,
mBaseStateDir,
/* dataDir */ null,
mTransportManager));
}
/**
* Test checking non-null argument on {@link
* UserBackupManagerService#createAndInitializeService(int, Context, BackupManagerService,
* HandlerThread, File, File, TransportManager)}.
*/
@Test
public void testCreateAndInitializeService_withNullTransportManager_throws() {
expectThrows(
NullPointerException.class,
() ->
UserBackupManagerService.createAndInitializeService(
USER_ID,
mContext,
new BackupManagerService(mContext),
mBackupThread,
mBaseStateDir,
mDataDir,
/* transportManager */ null));
}
/**
* Test verifying that creating a new instance registers the broadcast receiver for package
* tracking
*/
@Test
public void testCreateAndInitializeService_registersPackageTrackingReceiver() throws Exception {
Context contextSpy = Mockito.spy(mContext);
UserBackupManagerService service = UserBackupManagerService.createAndInitializeService(
USER_ID,
contextSpy,
new BackupManagerService(mContext),
mBackupThread,
mBaseStateDir,
mDataDir,
mTransportManager);
BroadcastReceiver packageTrackingReceiver = service.getPackageTrackingReceiver();
assertThat(packageTrackingReceiver).isNotNull();
// One call for package changes and one call for sd card events.
verify(contextSpy, times(2)).registerReceiverAsUser(
eq(packageTrackingReceiver), eq(UserHandle.of(USER_ID)), any(), any(), any());
}
@Test
public void testFilterUserFacingPackages_shouldSkipUserFacing_filtersUserFacing() {
List packages = Arrays.asList(getPackageInfo(USER_FACING_PACKAGE),
getPackageInfo(PACKAGE_1));
UserBackupManagerService backupManagerService = spy(
createUserBackupManagerServiceAndRunTasks());
when(backupManagerService.shouldSkipUserFacingData()).thenReturn(true);
when(backupManagerService.shouldSkipPackage(eq(USER_FACING_PACKAGE))).thenReturn(true);
List filteredPackages = backupManagerService.filterUserFacingPackages(
packages);
assertFalse(containsPackage(filteredPackages, USER_FACING_PACKAGE));
assertTrue(containsPackage(filteredPackages, PACKAGE_1));
}
@Test
public void testFilterUserFacingPackages_shouldNotSkipUserFacing_doesNotFilterUserFacing() {
List packages = Arrays.asList(getPackageInfo(USER_FACING_PACKAGE),
getPackageInfo(PACKAGE_1));
UserBackupManagerService backupManagerService = spy(
createUserBackupManagerServiceAndRunTasks());
when(backupManagerService.shouldSkipUserFacingData()).thenReturn(false);
when(backupManagerService.shouldSkipPackage(eq(USER_FACING_PACKAGE))).thenReturn(true);
List filteredPackages = backupManagerService.filterUserFacingPackages(
packages);
assertTrue(containsPackage(filteredPackages, USER_FACING_PACKAGE));
assertTrue(containsPackage(filteredPackages, PACKAGE_1));
}
private static boolean containsPackage(List packages, String targetPackage) {
for (PackageInfo packageInfo : packages) {
if (targetPackage.equals(packageInfo.packageName)) {
return true;
}
}
return false;
}
private UserBackupManagerService createUserBackupManagerServiceAndRunTasks() {
return BackupManagerServiceTestUtils.createUserBackupManagerServiceAndRunTasks(
USER_ID, mContext, mBackupThread, mBaseStateDir, mDataDir, mTransportManager);
}
private void setUpPowerManager(UserBackupManagerService backupManagerService) {
PowerManager powerManagerMock = mock(PowerManager.class);
when(powerManagerMock.getPowerSaveState(anyInt()))
.thenReturn(new PowerSaveState.Builder().setBatterySaverEnabled(true).build());
backupManagerService.setPowerManager(powerManagerMock);
}
private PackageInfo getPackageInfo(String packageName) {
PackageInfo packageInfo = new PackageInfo();
packageInfo.packageName = packageName;
packageInfo.applicationInfo = new ApplicationInfo();
packageInfo.applicationInfo.packageName = packageName;
return packageInfo;
}
private void registerPackages(String... packages) {
for (String packageName : packages) {
PackageInfo packageInfo = getPackageInfo(packageName);
mShadowPackageManager.installPackage(packageInfo);
ShadowApplicationPackageManager.addInstalledPackage(packageName, packageInfo);
}
}
/**
* Test that {@link UserBackupManagerService#getAncestralSerialNumber()} returns {@code -1}
* when value not set.
*/
@Test
public void testGetAncestralSerialNumber_notSet_returnsMinusOne() {
UserBackupManagerService service = createUserBackupManagerServiceAndRunTasks();
assertThat(service.getAncestralSerialNumber()).isEqualTo(-1L);
}
/**
* Test that {@link UserBackupManagerService#getAncestralSerialNumber()} returns correct value
* when value set.
*/
@Test
public void testGetAncestralSerialNumber_set_returnsCorrectValue() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService service = createUserBackupManagerServiceAndRunTasks();
service.setAncestralSerialNumberFile(createTestFile());
long testSerialNumber = 20L;
service.setAncestralSerialNumber(testSerialNumber);
assertThat(service.getAncestralSerialNumber()).isEqualTo(testSerialNumber);
}
/**
* Test that {@link UserBackupManagerService#getAncestralSerialNumber()} returns correct value
* when value set.
*/
@Test
public void testGetAncestralSerialNumber_setTwice_returnsCorrectValue() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService service = createUserBackupManagerServiceAndRunTasks();
service.setAncestralSerialNumberFile(createTestFile());
long testSerialNumber = 20L;
long testSerialNumber2 = 21L;
service.setAncestralSerialNumber(testSerialNumber);
service.setAncestralSerialNumber(testSerialNumber2);
assertThat(service.getAncestralSerialNumber()).isEqualTo(testSerialNumber2);
}
/**
* Test that {@link UserBackupManagerService#dump()} for system user does not prefix dump with
* "User 0:".
*/
@Test
public void testDump_forSystemUser_DoesNotHaveUserPrefix() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService service =
BackupManagerServiceTestUtils.createUserBackupManagerServiceAndRunTasks(
UserHandle.USER_SYSTEM,
mContext,
mBackupThread,
mBaseStateDir,
mDataDir,
mTransportManager);
StringWriter dump = new StringWriter();
service.dump(new FileDescriptor(), new PrintWriter(dump), new String[0]);
assertThat(dump.toString()).startsWith("Backup Manager is ");
}
/**
* Test that {@link UserBackupManagerService#dump()} for non-system user prefixes dump with
* "User :".
*/
@Test
public void testDump_forNonSystemUser_HasUserPrefix() throws Exception {
mShadowContext.grantPermissions(android.Manifest.permission.BACKUP);
UserBackupManagerService service = createUserBackupManagerServiceAndRunTasks();
StringWriter dump = new StringWriter();
service.dump(new FileDescriptor(), new PrintWriter(dump), new String[0]);
assertThat(dump.toString()).startsWith("User " + USER_ID + ":" + "Backup Manager is ");
}
private File createTestFile() throws IOException {
File testFile = new File(mContext.getFilesDir(), "test");
testFile.createNewFile();
return testFile;
}
/**
* We can't mock the void method {@link #schedule(Context, long, BackupManagerConstants)} so we
* extend {@link ShadowKeyValueBackupJob} and throw an exception at the end of the method.
*/
@Implements(KeyValueBackupJob.class)
public static class ShadowKeyValueBackupJobException extends ShadowKeyValueBackupJob {
/**
* Implementation of {@link ShadowKeyValueBackupJob#schedule(Context, long,
* BackupManagerConstants)} that throws an {@link IllegalArgumentException}.
*/
public static void schedule(int userId, Context ctx, long delay,
BackupManagerConstants constants) {
ShadowKeyValueBackupJob.schedule(userId, ctx, delay, constants);
throw new IllegalArgumentException();
}
}
}
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