1 /* 2 * Copyright (C) 2016 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.server.storage; 18 19 import android.app.usage.StorageStats; 20 import android.app.usage.StorageStatsManager; 21 import android.content.pm.UserInfo; 22 import android.content.Context; 23 import android.content.pm.ApplicationInfo; 24 import android.content.pm.IPackageStatsObserver; 25 import android.content.pm.PackageManager; 26 import android.content.pm.PackageStats; 27 import android.os.UserHandle; 28 import android.os.UserManager; 29 import android.os.storage.VolumeInfo; 30 import android.test.AndroidTestCase; 31 import android.util.ArrayMap; 32 import android.util.Log; 33 34 import org.junit.Before; 35 import org.junit.Test; 36 import org.junit.runner.RunWith; 37 import org.junit.runners.JUnit4; 38 import org.mockito.Mock; 39 import org.mockito.Mockito; 40 import org.mockito.MockitoAnnotations; 41 import org.mockito.invocation.InvocationOnMock; 42 import org.mockito.stubbing.Answer; 43 44 import java.util.ArrayList; 45 import java.util.List; 46 import java.util.Map; 47 import java.util.concurrent.CountDownLatch; 48 import java.util.concurrent.TimeUnit; 49 50 import static com.google.common.truth.Truth.assertThat; 51 import static org.mockito.Matchers.any; 52 import static org.mockito.Matchers.anyInt; 53 import static org.mockito.Matchers.anyString; 54 import static org.mockito.Matchers.eq; 55 import static org.mockito.Mockito.doAnswer; 56 import static org.mockito.Mockito.when; 57 58 @RunWith(JUnit4.class) 59 public class AppCollectorTest extends AndroidTestCase { 60 private static final long TIMEOUT = TimeUnit.MINUTES.toMillis(1); 61 @Mock private Context mContext; 62 @Mock private PackageManager mPm; 63 @Mock private UserManager mUm; 64 @Mock private StorageStatsManager mSsm; 65 private List<UserInfo> mUsers; 66 private Map<Integer, List<ApplicationInfo>> mUserApps; 67 68 @Before 69 public void setUp() throws Exception { 70 super.setUp(); 71 MockitoAnnotations.initMocks(this); 72 when(mContext.getPackageManager()).thenReturn(mPm); 73 when(mContext.getSystemService(Context.USER_SERVICE)).thenReturn(mUm); 74 when(mContext.getSystemService(Context.STORAGE_STATS_SERVICE)).thenReturn(mSsm); 75 76 // Set up the app list. 77 doAnswer((InvocationOnMock invocation) -> { 78 Integer userId = (Integer) invocation.getArguments()[1]; 79 return mUserApps.get(userId); 80 }).when(mPm).getInstalledApplicationsAsUser(anyInt(), anyInt()); 81 82 // Set up the user list with a single user (0). 83 mUsers = new ArrayList<>(); 84 mUsers.add(new UserInfo(0, "", 0)); 85 86 mUserApps = new ArrayMap<>(); 87 mUserApps.put(0, new ArrayList<>()); 88 when(mUm.getUsers()).thenReturn(mUsers); 89 } 90 91 @Test 92 public void testNoApps() throws Exception { 93 VolumeInfo volume = new VolumeInfo("testuuid", 0, null, null); 94 volume.fsUuid = "testuuid"; 95 AppCollector collector = new AppCollector(mContext, volume); 96 97 assertThat(collector.getPackageStats(TIMEOUT)).isEmpty(); 98 } 99 100 @Test 101 public void testAppOnExternalVolume() throws Exception { 102 addApplication("com.test.app", "differentuuid", 0); 103 VolumeInfo volume = new VolumeInfo("testuuid", 0, null, null); 104 volume.fsUuid = "testuuid"; 105 AppCollector collector = new AppCollector(mContext, volume); 106 107 assertThat(collector.getPackageStats(TIMEOUT)).isEmpty(); 108 } 109 110 @Test 111 public void testOneValidApp() throws Exception { 112 addApplication("com.test.app", "testuuid", 0); 113 VolumeInfo volume = new VolumeInfo("testuuid", 0, null, null); 114 volume.fsUuid = "testuuid"; 115 AppCollector collector = new AppCollector(mContext, volume); 116 PackageStats stats = new PackageStats("com.test.app"); 117 118 when(mSsm.queryStatsForPackage(eq("testuuid"), 119 eq("com.test.app"), eq(UserHandle.of(0)))).thenReturn(new StorageStats()); 120 assertThat(collector.getPackageStats(TIMEOUT)).containsExactly(stats); 121 } 122 123 @Test 124 public void testMultipleUsersOneApp() throws Exception { 125 addApplication("com.test.app", "testuuid", 0); 126 mUserApps.put(1, new ArrayList<>()); 127 addApplication("com.test.app", "testuuid", 1); 128 mUsers.add(new UserInfo(1, "", 0)); 129 130 VolumeInfo volume = new VolumeInfo("testuuid", 0, null, null); 131 volume.fsUuid = "testuuid"; 132 AppCollector collector = new AppCollector(mContext, volume); 133 PackageStats stats = new PackageStats("com.test.app"); 134 PackageStats otherStats = new PackageStats("com.test.app"); 135 otherStats.userHandle = 1; 136 137 when(mSsm.queryStatsForPackage(eq("testuuid"), 138 eq("com.test.app"), eq(UserHandle.of(0)))).thenReturn(new StorageStats()); 139 when(mSsm.queryStatsForPackage(eq("testuuid"), 140 eq("com.test.app"), eq(UserHandle.of(1)))).thenReturn(new StorageStats()); 141 assertThat(collector.getPackageStats(TIMEOUT)).containsExactly(stats, otherStats); 142 } 143 144 @Test(expected=NullPointerException.class) 145 public void testNullVolumeShouldCauseNPE() throws Exception { 146 AppCollector collector = new AppCollector(mContext, null); 147 } 148 149 @Test 150 public void testAppNotFoundDoesntCauseCrash() throws Exception { 151 VolumeInfo volume = new VolumeInfo("testuuid", 0, null, null); 152 addApplication("com.test.app", "uuid", 0); 153 mUsers.add(new UserInfo(1, "", 0)); 154 mUserApps.put(1, new ArrayList<>()); 155 AppCollector collector = new AppCollector(mContext, volume); 156 when(mSsm.queryStatsForPackage(anyString(), anyString(), any(UserHandle.class))).thenThrow( 157 new IllegalStateException()); 158 159 assertThat(collector.getPackageStats(TIMEOUT)).isEmpty(); 160 } 161 162 private void addApplication(String packageName, String uuid, int userId) { 163 ApplicationInfo info = new ApplicationInfo(); 164 info.packageName = packageName; 165 info.volumeUuid = uuid; 166 List<ApplicationInfo> userApps = mUserApps.get(userId); 167 if (userApps == null) { 168 userApps = new ArrayList<>(); 169 mUserApps.put(userId, userApps); 170 } 171 userApps.add(info); 172 } 173 } 174
