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      1 /*
      2  * Copyright (C) 2011 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 com.android.tradefed.targetprep;
     18 
     19 import com.android.ddmlib.FileListingService;
     20 import com.android.tradefed.build.DeviceBuildInfo;
     21 import com.android.tradefed.build.IDeviceBuildInfo;
     22 import com.android.tradefed.device.ITestDevice;
     23 import com.android.tradefed.device.ITestDevice.RecoveryMode;
     24 import com.android.tradefed.device.MockFileUtil;
     25 import com.android.tradefed.util.IRunUtil;
     26 
     27 import junit.framework.TestCase;
     28 
     29 import org.easymock.EasyMock;
     30 
     31 import java.io.File;
     32 import java.util.Arrays;
     33 import java.util.ArrayList;
     34 import java.util.Collection;
     35 import java.util.HashSet;
     36 import java.util.Set;
     37 
     38 public class DefaultTestsZipInstallerTest extends TestCase {
     39     private static final String SKIP_THIS = "skipThis";
     40 
     41     private static final String TEST_STRING = "foo";
     42 
     43     private static final File SOME_PATH_1 = new File("/some/path/1");
     44 
     45     private static final File SOME_PATH_2 = new File("/some/path/2");
     46 
     47     private ITestDevice mMockDevice;
     48     private IDeviceBuildInfo mDeviceBuild;
     49     private DefaultTestsZipInstaller mZipInstaller;
     50 
     51     @Override
     52     protected void setUp() throws Exception {
     53         super.setUp();
     54         ArrayList<String> skipThis = new ArrayList<String>(Arrays.asList(SKIP_THIS));
     55         mZipInstaller = new DefaultTestsZipInstaller(skipThis) {
     56             @Override
     57             File[] getTestsZipDataFiles(File hostDir, ITestDevice device) {
     58                 return new File[] { new File(TEST_STRING) };
     59             }
     60 
     61             @Override
     62             Set<File> findDirs(File hostDir, File deviceRootPath) {
     63                 Set<File> files = new HashSet<File>(2);
     64                 files.add(SOME_PATH_1);
     65                 files.add(SOME_PATH_2);
     66                 return files;
     67             }
     68 
     69             @Override
     70             IRunUtil getRunUtil() {
     71                 return EasyMock.createNiceMock(IRunUtil.class);
     72             }
     73          };
     74 
     75         mMockDevice = EasyMock.createMock(ITestDevice.class);
     76         EasyMock.expect(mMockDevice.getSerialNumber()).andStubReturn(TEST_STRING);
     77         EasyMock.expect(mMockDevice.getProductType()).andStubReturn(TEST_STRING);
     78         EasyMock.expect(mMockDevice.getBuildId()).andStubReturn("1");
     79 
     80         EasyMock.expect(mMockDevice.getDeviceDescriptor()).andStubReturn(null);
     81         mDeviceBuild = new DeviceBuildInfo("1", TEST_STRING);
     82     }
     83 
     84     public void testSkipWipeFileSetup() throws Exception {
     85         DefaultTestsZipInstaller testZipInstaller = new DefaultTestsZipInstaller();
     86         Set<String> skipList = testZipInstaller.getDataWipeSkipList();
     87         assertNull("Invalid wipe list set.", skipList);
     88         testZipInstaller.setDataWipeSkipList("foo");
     89         skipList = testZipInstaller.getDataWipeSkipList();
     90         assertTrue("Invalid wipe list set. Missing value set.", skipList.contains("foo"));
     91         Collection<String> skipArrayList = new ArrayList<String>();
     92         skipArrayList.add("bar");
     93         skipArrayList.add("foobar");
     94         testZipInstaller.setDataWipeSkipList(skipArrayList);
     95         skipList = testZipInstaller.getDataWipeSkipList();
     96         assertFalse("Invalid wipe list set, should not contain old value.",
     97                 skipList.contains("foo"));
     98         assertTrue("Invalid wipe list set. Missing value set.", skipList.contains("bar"));
     99         assertTrue("Invalid wipe list set. Missing value set.", skipList.contains("foobar"));
    100     }
    101 
    102     public void testCantTouchFilesystem() throws Exception {
    103         // expect initial android stop
    104         EasyMock.expect(mMockDevice.getSerialNumber()).andStubReturn("serial_number_stub");
    105         EasyMock.expect(mMockDevice.getRecoveryMode()).andReturn(RecoveryMode.AVAILABLE);
    106         EasyMock.expect(mMockDevice.executeShellCommand("stop")).andReturn("");
    107         EasyMock.expect(mMockDevice.executeShellCommand("stop installd")).andReturn("");
    108         mMockDevice.setRecoveryMode(RecoveryMode.ONLINE);
    109 
    110         // turtle!  (return false, for "write failed")
    111         EasyMock.expect(mMockDevice.pushString((String) EasyMock.anyObject(),
    112                 (String) EasyMock.anyObject())).andReturn(false);
    113 
    114         EasyMock.replay(mMockDevice);
    115         try {
    116             mZipInstaller.deleteData(mMockDevice);
    117             fail("Didn't throw TargetSetupError on failed write test");
    118         } catch (TargetSetupError e) {
    119             // expected
    120         }
    121         EasyMock.verify(mMockDevice);
    122     }
    123 
    124     /**
    125      * Exercise the core logic on a successful scenario.
    126      */
    127     public void testPushTestsZipOntoData() throws Exception {
    128         // mock a filesystem with these contents:
    129         // /data/app
    130         // /data/$SKIP_THIS
    131         MockFileUtil.setMockDirContents(
    132                 mMockDevice, FileListingService.DIRECTORY_DATA, "app", SKIP_THIS);
    133 
    134         // expect initial android stop
    135         EasyMock.expect(mMockDevice.getSerialNumber()).andStubReturn("serial_number_stub");
    136         EasyMock.expect(mMockDevice.getRecoveryMode()).andReturn(RecoveryMode.AVAILABLE);
    137         mMockDevice.setRecoveryMode(RecoveryMode.ONLINE);
    138         EasyMock.expect(mMockDevice.executeShellCommand("stop")).andReturn("");
    139         EasyMock.expect(mMockDevice.executeShellCommand("stop installd")).andReturn("");
    140 
    141         // turtle!  (to make sure filesystem is writable)
    142         EasyMock.expect(mMockDevice.pushString((String) EasyMock.anyObject(),
    143                 (String) EasyMock.anyObject())).andReturn(true);
    144 
    145         // expect 'rm app' but not 'rm $SKIP_THIS'
    146         EasyMock.expect(mMockDevice.doesFileExist("data/app")).andReturn(false);
    147         EasyMock.expect(mMockDevice.executeShellCommand(EasyMock.contains("rm -r data/app")))
    148                 .andReturn("");
    149 
    150         mMockDevice.setRecoveryMode(RecoveryMode.AVAILABLE);
    151 
    152         EasyMock.expect(mMockDevice.syncFiles((File) EasyMock.anyObject(),
    153                 EasyMock.contains(FileListingService.DIRECTORY_DATA)))
    154                 .andReturn(Boolean.TRUE);
    155 
    156         EasyMock.expect(
    157                 mMockDevice.executeShellCommand(EasyMock.startsWith("chown system.system "
    158                         + SOME_PATH_1.getPath()))).andReturn("");
    159         EasyMock.expect(
    160                 mMockDevice.executeShellCommand(EasyMock.startsWith("chown system.system "
    161                         + SOME_PATH_2.getPath()))).andReturn("");
    162 
    163         EasyMock.replay(mMockDevice);
    164         mZipInstaller.pushTestsZipOntoData(mMockDevice, mDeviceBuild);
    165         EasyMock.verify(mMockDevice);
    166     }
    167 
    168     /**
    169      * Test repeats to delete a dir are aborted
    170      */
    171     public void testPushTestsZipOntoData_retry() throws Exception {
    172         // mock a filesystem with these contents:
    173         // /data/app
    174         // /data/$SKIP_THIS
    175         MockFileUtil.setMockDirContents(
    176                 mMockDevice, FileListingService.DIRECTORY_DATA, "app", SKIP_THIS);
    177 
    178         // expect initial android stop
    179         EasyMock.expect(mMockDevice.getSerialNumber()).andStubReturn("serial_number_stub");
    180         EasyMock.expect(mMockDevice.getRecoveryMode()).andReturn(RecoveryMode.AVAILABLE);
    181         mMockDevice.setRecoveryMode(RecoveryMode.ONLINE);
    182         EasyMock.expect(mMockDevice.executeShellCommand("stop")).andReturn("");
    183         EasyMock.expect(mMockDevice.executeShellCommand("stop installd")).andReturn("");
    184 
    185         // turtle!  (to make sure filesystem is writable)
    186         EasyMock.expect(mMockDevice.pushString((String) EasyMock.anyObject(),
    187                 (String) EasyMock.anyObject())).andReturn(true);
    188 
    189         // expect 'rm app' but not 'rm $SKIP_THIS'
    190         EasyMock.expect(mMockDevice.doesFileExist("data/app")).andStubReturn(true);
    191         EasyMock.expect(mMockDevice.executeShellCommand(EasyMock.contains("rm -r data/app")))
    192                 .andStubReturn("oh noes, rm failed");
    193 
    194 
    195         EasyMock.replay(mMockDevice);
    196         try {
    197             mZipInstaller.pushTestsZipOntoData(mMockDevice, mDeviceBuild);
    198             fail("TargetSetupError not thrown");
    199         } catch (TargetSetupError e) {
    200             // expected
    201         }
    202         EasyMock.verify(mMockDevice);
    203     }
    204 }
    205