NetworkStatsCollectionTest.java revision 63abc37356728c0575d6a62a203102ae6d97953b 
1/*
2 * Copyright (C) 2012 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.net;
18
19import static android.net.NetworkTemplate.buildTemplateMobileAll;
20import static android.text.format.DateUtils.MINUTE_IN_MILLIS;
21
22import android.content.res.Resources;
23import android.net.ConnectivityManager;
24import android.net.NetworkIdentity;
25import android.net.NetworkStats;
26import android.net.NetworkTemplate;
27import android.test.AndroidTestCase;
28import android.test.suitebuilder.annotation.MediumTest;
29
30import com.android.frameworks.servicestests.R;
31
32import java.io.ByteArrayInputStream;
33import java.io.ByteArrayOutputStream;
34import java.io.DataOutputStream;
35import java.io.File;
36import java.io.FileOutputStream;
37import java.io.InputStream;
38import java.io.OutputStream;
39
40import libcore.io.IoUtils;
41import libcore.io.Streams;
42
43/**
44 * Tests for {@link NetworkStatsCollection}.
45 */
46@MediumTest
47public class NetworkStatsCollectionTest extends AndroidTestCase {
48
49    private static final String TEST_FILE = "test.bin";
50    private static final String TEST_IMSI = "310260000000000";
51
52    public void testReadLegacyNetwork() throws Exception {
53        final File testFile = new File(getContext().getFilesDir(), TEST_FILE);
54        stageFile(R.raw.netstats_v1, testFile);
55
56        final NetworkStatsCollection collection = new NetworkStatsCollection(30 * MINUTE_IN_MILLIS);
57        collection.readLegacyNetwork(testFile);
58
59        // verify that history read correctly
60        assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
61                636014522L, 709291L, 88037144L, 518820L);
62
63        // now export into a unified format
64        final ByteArrayOutputStream bos = new ByteArrayOutputStream();
65        collection.write(new DataOutputStream(bos));
66
67        // clear structure completely
68        collection.reset();
69        assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
70                0L, 0L, 0L, 0L);
71
72        // and read back into structure, verifying that totals are same
73        collection.read(new ByteArrayInputStream(bos.toByteArray()));
74        assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
75                636014522L, 709291L, 88037144L, 518820L);
76    }
77
78    public void testReadLegacyUid() throws Exception {
79        final File testFile = new File(getContext().getFilesDir(), TEST_FILE);
80        stageFile(R.raw.netstats_uid_v4, testFile);
81
82        final NetworkStatsCollection collection = new NetworkStatsCollection(30 * MINUTE_IN_MILLIS);
83        collection.readLegacyUid(testFile, false);
84
85        // verify that history read correctly
86        assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
87                637073904L, 711398L, 88342093L, 521006L);
88
89        // now export into a unified format
90        final ByteArrayOutputStream bos = new ByteArrayOutputStream();
91        collection.write(new DataOutputStream(bos));
92
93        // clear structure completely
94        collection.reset();
95        assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
96                0L, 0L, 0L, 0L);
97
98        // and read back into structure, verifying that totals are same
99        collection.read(new ByteArrayInputStream(bos.toByteArray()));
100        assertSummaryTotal(collection, buildTemplateMobileAll(TEST_IMSI),
101                637073904L, 711398L, 88342093L, 521006L);
102    }
103
104    public void testReadLegacyUidTags() throws Exception {
105        final File testFile = new File(getContext().getFilesDir(), TEST_FILE);
106        stageFile(R.raw.netstats_uid_v4, testFile);
107
108        final NetworkStatsCollection collection = new NetworkStatsCollection(30 * MINUTE_IN_MILLIS);
109        collection.readLegacyUid(testFile, true);
110
111        // verify that history read correctly
112        assertSummaryTotalIncludingTags(collection, buildTemplateMobileAll(TEST_IMSI),
113                77017831L, 100995L, 35436758L, 92344L);
114
115        // now export into a unified format
116        final ByteArrayOutputStream bos = new ByteArrayOutputStream();
117        collection.write(new DataOutputStream(bos));
118
119        // clear structure completely
120        collection.reset();
121        assertSummaryTotalIncludingTags(collection, buildTemplateMobileAll(TEST_IMSI),
122                0L, 0L, 0L, 0L);
123
124        // and read back into structure, verifying that totals are same
125        collection.read(new ByteArrayInputStream(bos.toByteArray()));
126        assertSummaryTotalIncludingTags(collection, buildTemplateMobileAll(TEST_IMSI),
127                77017831L, 100995L, 35436758L, 92344L);
128    }
129
130    /**
131     * Copy a {@link Resources#openRawResource(int)} into {@link File} for
132     * testing purposes.
133     */
134    private void stageFile(int rawId, File file) throws Exception {
135        new File(file.getParent()).mkdirs();
136        InputStream in = null;
137        OutputStream out = null;
138        try {
139            in = getContext().getResources().openRawResource(rawId);
140            out = new FileOutputStream(file);
141            Streams.copy(in, out);
142        } finally {
143            IoUtils.closeQuietly(in);
144            IoUtils.closeQuietly(out);
145        }
146    }
147
148    public static NetworkIdentitySet buildWifiIdent() {
149        final NetworkIdentitySet set = new NetworkIdentitySet();
150        set.add(new NetworkIdentity(ConnectivityManager.TYPE_WIFI, 0, null, false));
151        return set;
152    }
153
154    private static void assertSummaryTotal(NetworkStatsCollection collection,
155            NetworkTemplate template, long rxBytes, long rxPackets, long txBytes, long txPackets) {
156        final NetworkStats.Entry entry = collection.getSummary(
157                template, Long.MIN_VALUE, Long.MAX_VALUE).getTotal(null);
158        assertEntry(entry, rxBytes, rxPackets, txBytes, txPackets);
159    }
160
161    private static void assertSummaryTotalIncludingTags(NetworkStatsCollection collection,
162            NetworkTemplate template, long rxBytes, long rxPackets, long txBytes, long txPackets) {
163        final NetworkStats.Entry entry = collection.getSummary(
164                template, Long.MIN_VALUE, Long.MAX_VALUE).getTotalIncludingTags(null);
165        assertEntry(entry, rxBytes, rxPackets, txBytes, txPackets);
166    }
167
168    private static void assertEntry(
169            NetworkStats.Entry entry, long rxBytes, long rxPackets, long txBytes, long txPackets) {
170        assertEquals("unexpected rxBytes", rxBytes, entry.rxBytes);
171        assertEquals("unexpected rxPackets", rxPackets, entry.rxPackets);
172        assertEquals("unexpected txBytes", txBytes, entry.txBytes);
173        assertEquals("unexpected txPackets", txPackets, entry.txPackets);
174    }
175}
176