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
17package com.android.nfc.snep;
18
19import java.io.IOException;
20
21import com.android.nfc.snep.SnepClient;
22import com.android.nfc.snep.SnepMessage;
23import com.android.nfc.snep.SnepServer;
24
25import android.nfc.NdefMessage;
26import android.nfc.NdefRecord;
27import android.test.AndroidTestCase;
28import android.util.Log;
29
30import java.lang.StringBuffer;
31
32/**
33 * Tests connectivity to a custom SNEP server, using a physical NFC device.
34 */
35public class SnepValidationClientTests extends AndroidTestCase {
36    private static final String TAG = "nfcTest";
37
38    private static final int FRAGMENT_LENGTH = 50;
39
40    public static final String SERVICE_NAME = SnepValidationServerTests.SERVICE_NAME;
41
42    public void setUp() {
43        Log.d(TAG, "Waiting for service to restart...");
44        try {
45            Thread.sleep(8000);
46        } catch (InterruptedException e) {
47        }
48        Log.d(TAG, "Running test.");
49    }
50
51    public void testNonFragmented() throws IOException {
52        try {
53            SnepClient client = getSnepClient();
54            NdefMessage msg = getSmallNdef();
55            Log.d(TAG, "Connecting to service " + SERVICE_NAME + "...");
56            client.connect();
57            Log.d(TAG, "Putting ndef message...");
58            client.put(msg);
59
60            Log.d(TAG, "Getting ndef message...");
61            byte[] responseBytes = client.get(msg).getNdefMessage().toByteArray();
62            int i = 0;
63            byte[] msgBytes = msg.toByteArray();
64            Log.d(TAG, "Done. Checking " + msgBytes.length + " bytes.");
65            for (byte b : msgBytes) {
66                assertEquals(b, responseBytes[i++]);
67            }
68            Log.d(TAG, "Closing client.");
69            client.close();
70        } catch (IOException e) {
71            Log.d(TAG, "Test failed.", e);
72            throw e;
73        }
74    }
75
76    public void testFragmented() throws IOException {
77        try {
78            SnepClient client = getSnepClient();
79            NdefMessage msg = getLargeNdef();
80            Log.d(TAG, "Connecting to service " + SERVICE_NAME + "...");
81            client.connect();
82            Log.d(TAG, "Putting ndef message of size " + msg.toByteArray().length + "...");
83            client.put(msg);
84
85            Log.d(TAG, "Getting ndef message...");
86            byte[] responseBytes = client.get(msg).getNdefMessage().toByteArray();
87            int i = 0;
88            byte[] msgBytes = msg.toByteArray();
89            Log.d(TAG, "Done. Checking " + msgBytes.length + " bytes.");
90            for (byte b : msgBytes) {
91                assertEquals(b, responseBytes[i++]);
92            }
93            client.close();
94        } catch (IOException e) {
95            Log.d(TAG, "Error running fragmented", e);
96            throw e;
97        }
98    }
99
100    public void testMultipleNdef() throws IOException {
101        try {
102            SnepClient client = getSnepClient();
103            Log.d(TAG, "Connecting to service " + SERVICE_NAME + "...");
104            client.connect();
105
106            NdefMessage msgA = getSmallNdef();
107            NdefMessage msgB = getLargeNdef();
108
109            Log.d(TAG, "Putting ndef message A...");
110            client.put(msgA);
111            Log.d(TAG, "Putting ndef message B...");
112            client.put(msgB);
113
114            byte[] responseBytes;
115            byte[] msgBytes;
116            int i;
117
118            Log.d(TAG, "Getting ndef message A...");
119            responseBytes = client.get(msgA).getNdefMessage().toByteArray();
120            i = 0;
121            msgBytes = msgA.toByteArray();
122            Log.d(TAG, "Done. Checking " + msgBytes.length + " bytes.");
123            for (byte b : msgBytes) {
124                assertEquals(b, responseBytes[i++]);
125            }
126
127            Log.d(TAG, "Getting ndef message B...");
128            responseBytes = client.get(msgB).getNdefMessage().toByteArray();
129            i = 0;
130            msgBytes = msgB.toByteArray();
131            Log.d(TAG, "Done. Checking " + msgBytes.length + " bytes.");
132            for (byte b : msgBytes) {
133                assertEquals(b, responseBytes[i++]);
134            }
135
136            Log.d(TAG, "Closing client.");
137            client.close();
138        } catch (IOException e) {
139            Log.d(TAG, "Test failed.", e);
140            throw e;
141        }
142    }
143
144    public void testUnavailable() throws IOException {
145        try {
146            SnepClient client = getSnepClient();
147            NdefMessage msg = getSmallNdef();
148            Log.d(TAG, "Connecting to service " + SERVICE_NAME + "...");
149            client.connect();
150
151            Log.d(TAG, "Getting ndef message...");
152            SnepMessage response = client.get(msg);
153            assertEquals(SnepMessage.RESPONSE_NOT_FOUND, response.getField());
154            Log.d(TAG, "Closing client.");
155            client.close();
156        } catch (IOException e) {
157            Log.d(TAG, "Test failed.", e);
158            throw e;
159        }
160    }
161
162    public void testUndeliverable() throws IOException {
163        try {
164            SnepClient client = new SnepClient(SERVICE_NAME, 100, FRAGMENT_LENGTH);
165            NdefMessage msg = getLargeNdef();
166            Log.d(TAG, "Connecting to service " + SERVICE_NAME + "...");
167            client.connect();
168            Log.d(TAG, "Putting ndef message of size " + msg.toByteArray().length + "...");
169            client.put(msg);
170
171            Log.d(TAG, "Getting ndef message...");
172            SnepMessage response = client.get(msg);
173            assertEquals(SnepMessage.RESPONSE_EXCESS_DATA, response.getField());
174            client.close();
175        } catch (IOException e) {
176            Log.d(TAG, "Error running fragmented", e);
177            throw e;
178        }
179    }
180
181    private NdefMessage getSmallNdef() {
182        NdefRecord rec = new NdefRecord(NdefRecord.TNF_WELL_KNOWN, NdefRecord.RTD_URI,
183                new byte[] { 'A' }, "http://android.com".getBytes());
184        return new NdefMessage(new NdefRecord[] { rec });
185    }
186
187    private NdefMessage getLargeNdef() {
188        int size = 500;
189        StringBuffer string = new StringBuffer(size);
190        for (int i = 0; i < size; i++) {
191            string.append('A' + (i % 26));
192        }
193        NdefRecord rec = new NdefRecord(NdefRecord.TNF_MIME_MEDIA, "text/plain".getBytes(),
194                new byte[] { 'B' }, string.toString().getBytes());
195        return new NdefMessage(new NdefRecord[] { rec });
196    }
197
198    private SnepClient getSnepClient() {
199        return new SnepClient(SERVICE_NAME, FRAGMENT_LENGTH);
200    }
201}
202