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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 
     17 package android.cts.backup;
     18 
     19 import static org.junit.Assert.assertNull;
     20 
     21 import com.android.tradefed.device.DeviceNotAvailableException;
     22 import com.android.tradefed.log.LogUtil.CLog;
     23 import com.android.tradefed.targetprep.TargetSetupError;
     24 import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
     25 
     26 import org.junit.After;
     27 import org.junit.Test;
     28 import org.junit.runner.RunWith;
     29 
     30 /**
     31  * Test checking that restoreAnyVersion manifest flag is respected by backup manager.
     32  *
     33  * Invokes device side tests provided by
     34  * android.cts.backup.restoreanyversionapp.RestoreAnyVersionTest.
     35  */
     36 @RunWith(DeviceJUnit4ClassRunner.class)
     37 public class RestoreAnyVersionHostSideTest extends BaseBackupHostSideTest {
     38 
     39     /** The name of the package of the app under test */
     40     private static final String RESTORE_ANY_VERSION_APP_PACKAGE =
     41             "android.cts.backup.restoreanyversionapp";
     42 
     43     /** The name of the device side test class */
     44     private static final String RESTORE_ANY_VERSION_DEVICE_TEST_NAME =
     45             RESTORE_ANY_VERSION_APP_PACKAGE + ".RestoreAnyVersionTest";
     46 
     47     /** The name of the APK of the app that has restoreAnyVersion=true in the manifest */
     48     private static final String RESTORE_ANY_VERSION_APP_APK = "CtsBackupRestoreAnyVersionApp.apk";
     49 
     50     /** The name of the APK of the app that has a higher version code */
     51     private static final String RESTORE_ANY_VERSION_UPDATE_APK =
     52             "CtsBackupRestoreAnyVersionAppUpdate.apk";
     53 
     54     /** The name of the APK of the app that has restoreAnyVersion=false in the manifest */
     55     private static final String NO_RESTORE_ANY_VERSION_APK =
     56             "CtsBackupRestoreAnyVersionNoRestoreApp.apk";
     57 
     58     @After
     59     @Override
     60     public void tearDown() throws Exception {
     61         super.tearDown();
     62 
     63         if (!mIsBackupSupported) {
     64             return;
     65         }
     66 
     67         // Clear backup data and uninstall the package (in that order!)
     68         clearBackupDataInLocalTransport(RESTORE_ANY_VERSION_APP_PACKAGE);
     69         assertNull(uninstallPackage(RESTORE_ANY_VERSION_APP_PACKAGE));
     70     }
     71 
     72     /**
     73      * Tests that the app that has restoreAnyVersion=false will not get the restored data from a
     74      * newer version of that app at install time
     75      */
     76     @Test
     77     public void testRestoreAnyVersion_False() throws Exception {
     78         if (!mIsBackupSupported) {
     79             CLog.i("android.software.backup feature is not supported on this device");
     80             return;
     81         }
     82 
     83         installNewVersionApp();
     84 
     85         saveSharedPreferenceValue();
     86         checkRestoreAnyVersionDeviceTest("checkSharedPrefIsNew");
     87 
     88         backupNowAndAssertSuccess(RESTORE_ANY_VERSION_APP_PACKAGE);
     89 
     90         assertNull(uninstallPackage(RESTORE_ANY_VERSION_APP_PACKAGE));
     91 
     92         installNoRestoreAnyVersionApp();
     93 
     94         // Shared preference shouldn't be restored
     95         checkRestoreAnyVersionDeviceTest("checkSharedPrefIsEmpty");
     96     }
     97 
     98     /**
     99      * Tests that the app that has restoreAnyVersion=true will get the restored data from a
    100      * newer version of that app at install time
    101      */
    102     @Test
    103     public void testRestoreAnyVersion_True() throws Exception {
    104         if (!mIsBackupSupported) {
    105             CLog.i("android.software.backup feature is not supported on this device");
    106             return;
    107         }
    108 
    109         installNewVersionApp();
    110 
    111         saveSharedPreferenceValue();
    112         checkRestoreAnyVersionDeviceTest("checkSharedPrefIsNew");
    113 
    114         backupNowAndAssertSuccess(RESTORE_ANY_VERSION_APP_PACKAGE);
    115 
    116         assertNull(uninstallPackage(RESTORE_ANY_VERSION_APP_PACKAGE));
    117 
    118         installRestoreAnyVersionApp();
    119 
    120         // Shared preference should be restored
    121         checkRestoreAnyVersionDeviceTest("checkSharedPrefIsNew");
    122     }
    123 
    124     /**
    125      * Tests that the app that has restoreAnyVersion=false will still get the restored data from an
    126      * older version of that app at install time
    127      */
    128     @Test
    129     public void testRestoreAnyVersion_OldBackupToNewApp() throws Exception {
    130         if (!mIsBackupSupported) {
    131             CLog.i("android.software.backup feature is not supported on this device");
    132             return;
    133         }
    134 
    135         installNoRestoreAnyVersionApp();
    136 
    137         saveSharedPreferenceValue();
    138         checkRestoreAnyVersionDeviceTest("checkSharedPrefIsOld");
    139 
    140         backupNowAndAssertSuccess(RESTORE_ANY_VERSION_APP_PACKAGE);
    141 
    142         assertNull(uninstallPackage(RESTORE_ANY_VERSION_APP_PACKAGE));
    143 
    144         installNewVersionApp();
    145 
    146         checkRestoreAnyVersionDeviceTest("checkSharedPrefIsOld");
    147     }
    148 
    149     private void saveSharedPreferenceValue () throws DeviceNotAvailableException {
    150         checkRestoreAnyVersionDeviceTest("checkSharedPrefIsEmpty");
    151         checkRestoreAnyVersionDeviceTest("saveSharedPrefValue");
    152     }
    153 
    154     private void installRestoreAnyVersionApp()
    155             throws DeviceNotAvailableException, TargetSetupError {
    156         installPackage(RESTORE_ANY_VERSION_APP_APK, "-d", "-r");
    157 
    158         checkRestoreAnyVersionDeviceTest("checkAppVersionIsOld");
    159     }
    160 
    161     private void installNoRestoreAnyVersionApp()
    162             throws DeviceNotAvailableException, TargetSetupError {
    163         installPackage(NO_RESTORE_ANY_VERSION_APK, "-d", "-r");
    164 
    165         checkRestoreAnyVersionDeviceTest("checkAppVersionIsOld");
    166     }
    167 
    168     private void installNewVersionApp()
    169             throws DeviceNotAvailableException, TargetSetupError {
    170         installPackage(RESTORE_ANY_VERSION_UPDATE_APK, "-d", "-r");
    171 
    172         checkRestoreAnyVersionDeviceTest("checkAppVersionIsNew");
    173     }
    174 
    175     private void checkRestoreAnyVersionDeviceTest(String methodName)
    176             throws DeviceNotAvailableException {
    177         checkDeviceTest(RESTORE_ANY_VERSION_APP_PACKAGE, RESTORE_ANY_VERSION_DEVICE_TEST_NAME,
    178                 methodName);
    179     }
    180 }
    181