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
17package com.android.server.pm;
18
19import android.content.Context;
20import android.content.pm.ApplicationInfo;
21import android.content.pm.PackageManager;
22import android.content.pm.PackageStats;
23import android.os.SystemClock;
24import android.os.UserHandle;
25import android.support.test.InstrumentationRegistry;
26import android.support.test.runner.AndroidJUnit4;
27import android.util.Log;
28
29import com.android.internal.util.ArrayUtils;
30
31import org.junit.After;
32import org.junit.Before;
33import org.junit.Ignore;
34import org.junit.Test;
35import org.junit.runner.RunWith;
36
37import java.util.Arrays;
38
39@RunWith(AndroidJUnit4.class)
40public class InstallerTest {
41    private static final String TAG = "InstallerTest";
42
43    private Installer mInstaller;
44
45    private final Timer mManual = new Timer("Manual");
46    private final Timer mQuota = new Timer("Quota");
47
48    private static class Timer {
49        private final String mTitle;
50        private long mStart;
51        private long mTotal;
52
53        public Timer(String title) {
54            mTitle = title;
55        }
56
57        public void start() {
58            mStart = SystemClock.currentTimeMicro();
59        }
60
61        public void stop() {
62            mTotal += SystemClock.currentTimeMicro() - mStart;
63        }
64
65        public void reset() {
66            mStart = 0;
67            mTotal = 0;
68        }
69
70        @Override
71        public String toString() {
72            return mTitle + ": " + (mTotal / 1000) + "ms";
73        }
74    }
75
76    @Before
77    public void setUp() throws Exception {
78        mInstaller = new Installer(getContext());
79        mInstaller.onStart();
80        mManual.reset();
81        mQuota.reset();
82    }
83
84    @After
85    public void tearDown() throws Exception {
86        Log.i(TAG, mManual.toString());
87        Log.i(TAG, mQuota.toString());
88        mInstaller = null;
89    }
90
91    @Test
92    @Ignore("b/68819006")
93    public void testGetAppSize() throws Exception {
94        int[] appIds = null;
95
96        final PackageManager pm = getContext().getPackageManager();
97        for (ApplicationInfo app : pm.getInstalledApplications(0)) {
98            final int userId = UserHandle.getUserId(app.uid);
99            final int appId = UserHandle.getAppId(app.uid);
100
101            if (ArrayUtils.contains(appIds, appId)) {
102                continue;
103            } else {
104                appIds = ArrayUtils.appendInt(appIds, appId);
105            }
106
107            final String[] packageNames = pm.getPackagesForUid(app.uid);
108            final long[] ceDataInodes = new long[packageNames.length];
109            final String[] codePaths = new String[packageNames.length];
110
111            for (int i = 0; i < packageNames.length; i++) {
112                final ApplicationInfo info = pm.getApplicationInfo(packageNames[i], 0);
113                codePaths[i] = info.getCodePath();
114            }
115
116            final PackageStats stats = new PackageStats(app.packageName);
117            final PackageStats quotaStats = new PackageStats(app.packageName);
118
119            mManual.start();
120            mInstaller.getAppSize(app.volumeUuid, packageNames, userId, 0,
121                    appId, ceDataInodes, codePaths, stats);
122            mManual.stop();
123
124            mQuota.start();
125            mInstaller.getAppSize(app.volumeUuid, packageNames, userId, Installer.FLAG_USE_QUOTA,
126                    appId, ceDataInodes, codePaths, quotaStats);
127            mQuota.stop();
128
129            checkEquals(Arrays.toString(packageNames) + " UID=" + app.uid, stats, quotaStats);
130        }
131    }
132
133    @Test
134    @Ignore("b/68819006")
135    public void testGetUserSize() throws Exception {
136        final int[] appIds = getAppIds(UserHandle.USER_SYSTEM);
137
138        final PackageStats stats = new PackageStats("android");
139        final PackageStats quotaStats = new PackageStats("android");
140
141        mManual.start();
142        mInstaller.getUserSize(null, UserHandle.USER_SYSTEM, 0,
143                appIds, stats);
144        mManual.stop();
145
146        mQuota.start();
147        mInstaller.getUserSize(null, UserHandle.USER_SYSTEM, Installer.FLAG_USE_QUOTA,
148                appIds, quotaStats);
149        mQuota.stop();
150
151        checkEquals(Arrays.toString(appIds), stats, quotaStats);
152    }
153
154    @Test
155    @Ignore("b/68819006")
156    public void testGetExternalSize() throws Exception {
157        final int[] appIds = getAppIds(UserHandle.USER_SYSTEM);
158
159        mManual.start();
160        final long[] stats = mInstaller.getExternalSize(null, UserHandle.USER_SYSTEM, 0, appIds);
161        mManual.stop();
162
163        mQuota.start();
164        final long[] quotaStats = mInstaller.getExternalSize(null, UserHandle.USER_SYSTEM,
165                Installer.FLAG_USE_QUOTA, appIds);
166        mQuota.stop();
167
168        for (int i = 0; i < stats.length; i++) {
169            checkEquals("#" + i, stats[i], quotaStats[i]);
170        }
171    }
172
173    private int[] getAppIds(int userId) {
174        int[] appIds = null;
175        for (ApplicationInfo app : getContext().getPackageManager().getInstalledApplicationsAsUser(
176                PackageManager.MATCH_UNINSTALLED_PACKAGES, userId)) {
177            final int appId = UserHandle.getAppId(app.uid);
178            if (!ArrayUtils.contains(appIds, appId)) {
179                appIds = ArrayUtils.appendInt(appIds, appId);
180            }
181        }
182        return appIds;
183    }
184
185    private static Context getContext() {
186        return InstrumentationRegistry.getContext();
187    }
188
189    private static void checkEquals(String msg, PackageStats a, PackageStats b) {
190        checkEquals(msg + " codeSize", a.codeSize, b.codeSize);
191        checkEquals(msg + " dataSize", a.dataSize, b.dataSize);
192        checkEquals(msg + " cacheSize", a.cacheSize, b.cacheSize);
193        checkEquals(msg + " externalCodeSize", a.externalCodeSize, b.externalCodeSize);
194        checkEquals(msg + " externalDataSize", a.externalDataSize, b.externalDataSize);
195        checkEquals(msg + " externalCacheSize", a.externalCacheSize, b.externalCacheSize);
196    }
197
198    private static void checkEquals(String msg, long expected, long actual) {
199        if (expected != actual) {
200            Log.e(TAG, msg + " expected " + expected + " actual " + actual);
201        }
202    }
203}
204