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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.testtype.DeviceJUnit4ClassRunner;
     24 
     25 import org.junit.After;
     26 import org.junit.Test;
     27 import org.junit.runner.RunWith;
     28 
     29 /**
     30  * Test checking that 'fullBackupOnly' manifest attribute is respected by backup manager.
     31  *
     32  * Uses 3 different versions of the same app that differ only by 'fullBackupOnly' value and the
     33  * presence/absence of the backup agent.*
     34  *
     35  * Invokes device side tests provided by
     36  * {@link android.cts.backup.fullbackupapp.FullBackupOnlyTest}.
     37  *
     38  * The flow of the tests is the following:
     39  * 1. Install the app
     40  * 2. Generate files in data folder of the app, including a file in no_backup folder. The file in
     41  * no_backup folder is used for key/value backup by the backup agent of the app.
     42  * 3. Run 'bmgr backupnow'. Depending on the manifest of the app we expect either Dolly or Key/value
     43  * backup to be performed.
     44  * 4. Uninstall and reinstall the app.
     45  * 5. Check that the correct files were restored depending on the manifest:
     46  * - Files in the app's data folder for Dolly backup
     47  * - Only file in no_backup folder for key/value.
     48  */
     49 @RunWith(DeviceJUnit4ClassRunner.class)
     50 public class FullBackupOnlyHostSideTest extends BaseBackupHostSideTest {
     51 
     52     private static final String FULLBACKUPONLY_APP_PACKAGE = "android.cts.backup.fullbackuponlyapp";
     53     private static final String FULLBACKUPONLY_DEVICE_TEST_CLASS_NAME =
     54             FULLBACKUPONLY_APP_PACKAGE + ".FullBackupOnlyTest";
     55 
     56     /**
     57      * The name of the APK of the app that has a backup agent and fullBackupOnly=false in the
     58      * manifest
     59      */
     60     private static final String FULLBACKUPONLY_FALSE_WITH_AGENT_APP_APK =
     61             "FullBackupOnlyFalseWithAgentApp.apk";
     62 
     63     /**
     64      * The name of the APK of the app that has no backup agent and fullBackupOnly=false in the
     65      * manifest
     66      */
     67     private static final String FULLBACKUPONLY_FALSE_NO_AGENT_APP_APK =
     68             "FullBackupOnlyFalseNoAgentApp.apk";
     69 
     70     /**
     71      * The name of the APK of the app that has a backup agent and fullBackupOnly=true in the
     72      * manifest
     73      */
     74     private static final String FULLBACKUPONLY_TRUE_WITH_AGENT_APP_APK =
     75             "FullBackupOnlyTrueWithAgentApp.apk";
     76 
     77 
     78     @After
     79     @Override
     80     public void tearDown() throws Exception {
     81         super.tearDown();
     82 
     83         if (!mIsBackupSupported) {
     84             return;
     85         }
     86 
     87         // Clear backup data and uninstall the package (in that order!)
     88         clearBackupDataInLocalTransport(FULLBACKUPONLY_APP_PACKAGE);
     89         assertNull(uninstallPackage(FULLBACKUPONLY_APP_PACKAGE));
     90     }
     91 
     92     /**
     93      * Tests that the app that doesn't have fullBackupOnly (same as fullBackupOnly=false by default)
     94      * and has a backup agent will get key/value backup.
     95      * We check that key/value data was restored after reinstall and dolly data was not.
     96      */
     97     @Test
     98     public void testFullBackupOnlyFalse_WithAgent() throws Exception {
     99         if (!mIsBackupSupported) {
    100             CLog.i("android.software.backup feature is not supported on this device");
    101             return;
    102         }
    103 
    104         installPackage(FULLBACKUPONLY_FALSE_WITH_AGENT_APP_APK, "-d", "-r");
    105 
    106         checkFullBackupOnlyDeviceTest("createFiles");
    107 
    108         backupNowAndAssertSuccess(FULLBACKUPONLY_APP_PACKAGE);
    109 
    110         assertNull(uninstallPackage(FULLBACKUPONLY_APP_PACKAGE));
    111 
    112         installPackage(FULLBACKUPONLY_FALSE_WITH_AGENT_APP_APK, "-d", "-r");
    113 
    114         checkFullBackupOnlyDeviceTest("checkKeyValueFileExists");
    115         checkFullBackupOnlyDeviceTest("checkDollyFilesDontExist");
    116     }
    117 
    118     /**
    119      * Tests that the app that doesn't have fullBackupOnly (same as fullBackupOnly=false by default)
    120      * and has no backup agent will get Dolly backup.
    121      * We check that key/value data was not restored after reinstall and dolly data was.
    122      */
    123     @Test
    124     public void testFullBackupOnlyFalse_NoAgent() throws Exception {
    125         if (!mIsBackupSupported) {
    126             CLog.i("android.software.backup feature is not supported on this device");
    127             return;
    128         }
    129 
    130         installPackage(FULLBACKUPONLY_FALSE_NO_AGENT_APP_APK, "-d", "-r");
    131 
    132         checkFullBackupOnlyDeviceTest("createFiles");
    133 
    134         backupNowAndAssertSuccess(FULLBACKUPONLY_APP_PACKAGE);
    135 
    136         assertNull(uninstallPackage(FULLBACKUPONLY_APP_PACKAGE));
    137 
    138         installPackage(FULLBACKUPONLY_FALSE_NO_AGENT_APP_APK, "-d", "-r");
    139 
    140         checkFullBackupOnlyDeviceTest("checkKeyValueFileDoesntExist");
    141         checkFullBackupOnlyDeviceTest("checkDollyFilesExist");
    142     }
    143 
    144     /**
    145      * Tests that the app that has fullBackupOnly=true  and has a backup agent will only get
    146      * Dolly backup.
    147      * We check that key/value data was not restored after reinstall and dolly data was.
    148      */
    149     @Test
    150     public void testFullBackupOnlyTrue_WithAgent() throws Exception {
    151         if (!mIsBackupSupported) {
    152             CLog.i("android.software.backup feature is not supported on this device");
    153             return;
    154         }
    155 
    156         installPackage(FULLBACKUPONLY_TRUE_WITH_AGENT_APP_APK, "-d", "-r");
    157 
    158         checkFullBackupOnlyDeviceTest("createFiles");
    159 
    160         backupNowAndAssertSuccess(FULLBACKUPONLY_APP_PACKAGE);
    161 
    162         assertNull(uninstallPackage(FULLBACKUPONLY_APP_PACKAGE));
    163 
    164         installPackage(FULLBACKUPONLY_TRUE_WITH_AGENT_APP_APK, "-d", "-r");
    165 
    166         checkFullBackupOnlyDeviceTest("checkKeyValueFileDoesntExist");
    167         checkFullBackupOnlyDeviceTest("checkDollyFilesExist");
    168     }
    169 
    170 
    171     private void checkFullBackupOnlyDeviceTest(String methodName)
    172             throws DeviceNotAvailableException {
    173         checkDeviceTest(FULLBACKUPONLY_APP_PACKAGE, FULLBACKUPONLY_DEVICE_TEST_CLASS_NAME,
    174                 methodName);
    175     }
    176 }
    177