| /* |
| * Copyright (C) 2016 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.storage; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Matchers.anyInt; |
| import static org.mockito.Matchers.anyLong; |
| import static org.mockito.Matchers.anyString; |
| import static org.mockito.Matchers.isNull; |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.when; |
| |
| import android.app.job.JobService; |
| import android.app.job.JobServiceEngine; |
| import android.app.usage.ExternalStorageStats; |
| import android.app.usage.StorageStatsManager; |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageStats; |
| import android.os.BatteryManager; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.os.storage.StorageManager; |
| import android.os.storage.VolumeInfo; |
| import android.provider.Settings; |
| import android.test.AndroidTestCase; |
| import android.test.mock.MockContentResolver; |
| |
| import com.android.internal.util.test.FakeSettingsProvider; |
| import com.android.server.storage.DiskStatsLoggingService.LogRunnable; |
| |
| import libcore.io.IoUtils; |
| |
| import org.json.JSONObject; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| import java.io.File; |
| import java.io.PrintStream; |
| import java.lang.reflect.Field; |
| import java.util.ArrayList; |
| |
| @RunWith(JUnit4.class) |
| public class DiskStatsLoggingServiceTest extends AndroidTestCase { |
| @Rule public TemporaryFolder mTemporaryFolder; |
| @Rule public TemporaryFolder mDownloads; |
| @Mock private AppCollector mCollector; |
| @Mock private JobService mJobService; |
| @Mock private StorageStatsManager mSsm; |
| private ExternalStorageStats mStorageStats; |
| private File mInputFile; |
| |
| |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(); |
| MockitoAnnotations.initMocks(this); |
| mTemporaryFolder = new TemporaryFolder(); |
| mTemporaryFolder.create(); |
| mInputFile = mTemporaryFolder.newFile(); |
| mDownloads = new TemporaryFolder(); |
| mDownloads.create(); |
| mStorageStats = new ExternalStorageStats(); |
| when(mSsm.queryExternalStatsForUser(isNull(String.class), any(UserHandle.class))) |
| .thenReturn(mStorageStats); |
| when(mJobService.getSystemService(anyString())).thenReturn(mSsm); |
| } |
| |
| @Test |
| public void testEmptyLog() throws Exception { |
| LogRunnable task = new LogRunnable(); |
| task.setAppCollector(mCollector); |
| task.setDownloadsDirectory(mDownloads.getRoot()); |
| task.setLogOutputFile(mInputFile); |
| task.setSystemSize(0L); |
| task.setContext(mJobService); |
| task.run(); |
| |
| JSONObject json = getJsonOutput(); |
| assertThat(json.getLong(DiskStatsFileLogger.PHOTOS_KEY)).isEqualTo(0L); |
| assertThat(json.getLong(DiskStatsFileLogger.VIDEOS_KEY)).isEqualTo(0L); |
| assertThat(json.getLong(DiskStatsFileLogger.AUDIO_KEY)).isEqualTo(0L); |
| assertThat(json.getLong(DiskStatsFileLogger.DOWNLOADS_KEY)).isEqualTo(0L); |
| assertThat(json.getLong(DiskStatsFileLogger.SYSTEM_KEY)).isEqualTo(0L); |
| assertThat(json.getLong(DiskStatsFileLogger.MISC_KEY)).isEqualTo(0L); |
| assertThat(json.getLong(DiskStatsFileLogger.APP_SIZE_AGG_KEY)).isEqualTo(0L); |
| assertThat(json.getLong(DiskStatsFileLogger.APP_CACHE_AGG_KEY)).isEqualTo(0L); |
| assertThat( |
| json.getJSONArray(DiskStatsFileLogger.PACKAGE_NAMES_KEY).length()).isEqualTo(0L); |
| assertThat(json.getJSONArray(DiskStatsFileLogger.APP_SIZES_KEY).length()).isEqualTo(0L); |
| assertThat(json.getJSONArray(DiskStatsFileLogger.APP_CACHES_KEY).length()).isEqualTo(0L); |
| } |
| |
| @Test |
| public void testPopulatedLogTask() throws Exception { |
| // Write data to directories. |
| writeDataToFile(mDownloads.newFile(), "lol"); |
| mStorageStats.audioBytes = 6L; |
| mStorageStats.imageBytes = 4L; |
| mStorageStats.videoBytes = 5L; |
| mStorageStats.totalBytes = 22L; |
| |
| // Write apps. |
| ArrayList<PackageStats> apps = new ArrayList<>(); |
| PackageStats testApp = new PackageStats("com.test.app"); |
| testApp.dataSize = 5L; |
| testApp.cacheSize = 55L; |
| testApp.codeSize = 10L; |
| testApp.userHandle = UserHandle.USER_SYSTEM; |
| apps.add(testApp); |
| when(mCollector.getPackageStats(anyLong())).thenReturn(apps); |
| |
| LogRunnable task = new LogRunnable(); |
| task.setAppCollector(mCollector); |
| task.setDownloadsDirectory(mDownloads.getRoot()); |
| task.setLogOutputFile(mInputFile); |
| task.setSystemSize(10L); |
| task.setContext(mJobService); |
| task.run(); |
| |
| JSONObject json = getJsonOutput(); |
| assertThat(json.getLong(DiskStatsFileLogger.PHOTOS_KEY)).isEqualTo(4L); |
| assertThat(json.getLong(DiskStatsFileLogger.VIDEOS_KEY)).isEqualTo(5L); |
| assertThat(json.getLong(DiskStatsFileLogger.AUDIO_KEY)).isEqualTo(6L); |
| assertThat(json.getLong(DiskStatsFileLogger.DOWNLOADS_KEY)).isEqualTo(3L); |
| assertThat(json.getLong(DiskStatsFileLogger.SYSTEM_KEY)).isEqualTo(10L); |
| assertThat(json.getLong(DiskStatsFileLogger.MISC_KEY)).isEqualTo(7L); |
| assertThat(json.getLong(DiskStatsFileLogger.APP_SIZE_AGG_KEY)).isEqualTo(10L); |
| assertThat(json.getLong(DiskStatsFileLogger.APP_DATA_SIZE_AGG_KEY)).isEqualTo(5L); |
| assertThat(json.getLong(DiskStatsFileLogger.APP_CACHE_AGG_KEY)).isEqualTo(55L); |
| assertThat( |
| json.getJSONArray(DiskStatsFileLogger.PACKAGE_NAMES_KEY).length()).isEqualTo(1L); |
| assertThat(json.getJSONArray(DiskStatsFileLogger.APP_SIZES_KEY).length()).isEqualTo(1L); |
| assertThat(json.getJSONArray(DiskStatsFileLogger.APP_DATA_KEY).length()).isEqualTo(1L); |
| assertThat(json.getJSONArray(DiskStatsFileLogger.APP_CACHES_KEY).length()).isEqualTo(1L); |
| } |
| |
| @Test |
| public void testDontCrashOnPackageStatsTimeout() throws Exception { |
| when(mCollector.getPackageStats(anyInt())).thenReturn(null); |
| |
| LogRunnable task = new LogRunnable(); |
| task.setAppCollector(mCollector); |
| task.setDownloadsDirectory(mDownloads.getRoot()); |
| task.setLogOutputFile(mInputFile); |
| task.setSystemSize(10L); |
| task.setContext(mJobService); |
| task.run(); |
| |
| // No exception should be thrown. |
| } |
| |
| @Test |
| public void testDontCrashOnRun() throws Exception { |
| DiskStatsLoggingService service = spy(new DiskStatsLoggingService()); |
| BatteryManager batteryManager = mock(BatteryManager.class); |
| when(batteryManager.isCharging()).thenReturn(true); |
| doReturn(batteryManager).when(service).getSystemService(Context.BATTERY_SERVICE); |
| UserManager userManager = mock(UserManager.class); |
| when(userManager.getUsers()).thenReturn(new ArrayList<>()); |
| doReturn(userManager).when(service).getSystemService(Context.USER_SERVICE); |
| doReturn(mSsm).when(service).getSystemService(Context.STORAGE_STATS_SERVICE); |
| doReturn(mock(StorageManager.class)) |
| .when(service) |
| .getSystemService(Context.STORAGE_SERVICE); |
| |
| MockContentResolver cr = new MockContentResolver(); |
| cr.addProvider(Settings.AUTHORITY, new FakeSettingsProvider()); |
| doReturn(cr).when(service).getContentResolver(); |
| |
| PackageManager pm = mock(PackageManager.class); |
| VolumeInfo volumeInfo = |
| new VolumeInfo(VolumeInfo.ID_PRIVATE_INTERNAL, VolumeInfo.TYPE_PRIVATE, null, null); |
| when(pm.getPrimaryStorageCurrentVolume()).thenReturn(volumeInfo); |
| doReturn(pm).when(service).getPackageManager(); |
| |
| doReturn(0).when(service).getUserId(); |
| |
| // UGGGGGHHHHHHH! jobFinished is a final method on JobService which crashes when called if |
| // the JobService isn't initialized for real. ServiceTestCase doesn't let us initialize a |
| // service which is built into the framework without crashing, though, so we can't make a |
| // real initialized service. |
| // |
| // And so, we use reflection to set the JobServiceEngine, which is used by the final method, |
| // to be something which won't crash when called. |
| final Field field = JobService.class.getDeclaredField("mEngine"); |
| field.setAccessible(true); |
| field.set(service, mock(JobServiceEngine.class)); |
| |
| // Note: This won't clobber your on-device cache file because, technically, |
| // FrameworkServicesTests don't have write permission to actually overwrite the cache file. |
| // We log and fail on the write silently in this case. |
| service.onStartJob(null); |
| } |
| |
| private void writeDataToFile(File f, String data) throws Exception{ |
| PrintStream out = new PrintStream(f); |
| out.print(data); |
| out.close(); |
| } |
| |
| private JSONObject getJsonOutput() throws Exception { |
| return new JSONObject(IoUtils.readFileAsString(mInputFile.getAbsolutePath())); |
| } |
| } |