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29 package org.apache.commons.httpclient;
30
31 import junit.framework.Test;
32 import junit.framework.TestSuite;
33
34 import java.io.ByteArrayInputStream;
35 import java.io.ByteArrayOutputStream;
36 import java.io.IOException;
37 import java.io.InputStream;
38 import java.util.HashMap;
39 import java.util.Map;
40 import java.util.StringTokenizer;
41
42 import org.apache.commons.httpclient.methods.GetMethod;
43 import org.apache.commons.httpclient.methods.PostMethod;
44 import org.apache.commons.httpclient.methods.RequestEntity;
45 import org.apache.commons.httpclient.methods.StringRequestEntity;
46 import org.apache.commons.httpclient.util.URIUtil;
47
48 /***
49 * @author <a href="mailto:oleg@ural.ru">Oleg Kalnichevski</a>
50 * @author <a href="mailto:ajmas@bigfoot.com">Andre John Mas</a>
51 * @author <a href="mailto:laura@lwerner.org">Laura Werner</a>
52 */
53
54 public class TestMethodCharEncoding extends HttpClientTestBase {
55
56 static final String CHARSET_DEFAULT = "ISO-8859-1";
57 static final String CHARSET_ASCII = "US-ASCII";
58 static final String CHARSET_UTF8 = "UTF-8";
59 static final String CHARSET_KOI8_R = "KOI8_R";
60 static final String CHARSET_WIN1251 = "Cp1251";
61
62 static final int SWISS_GERMAN_STUFF_UNICODE [] = {
63 0x47, 0x72, 0xFC, 0x65, 0x7A, 0x69, 0x5F, 0x7A, 0xE4, 0x6D, 0xE4
64 };
65
66 static final int SWISS_GERMAN_STUFF_ISO8859_1 [] = {
67 0x47, 0x72, 0xFC, 0x65, 0x7A, 0x69, 0x5F, 0x7A, 0xE4, 0x6D, 0xE4
68 };
69
70 static final int SWISS_GERMAN_STUFF_UTF8 [] = {
71 0x47, 0x72, 0xC3, 0xBC, 0x65, 0x7A, 0x69, 0x5F, 0x7A, 0xC3, 0xA4,
72 0x6D, 0xC3, 0xA4
73 };
74
75 static final int RUSSIAN_STUFF_UNICODE [] = {
76 0x412, 0x441, 0x435, 0x43C, 0x5F, 0x43F, 0x440, 0x438,
77 0x432, 0x435, 0x442
78 };
79
80 static final int RUSSIAN_STUFF_UTF8 [] = {
81 0xD0, 0x92, 0xD1, 0x81, 0xD0, 0xB5, 0xD0, 0xBC, 0x5F,
82 0xD0, 0xBF, 0xD1, 0x80, 0xD0, 0xB8, 0xD0, 0xB2, 0xD0,
83 0xB5, 0xD1, 0x82
84 };
85
86 static final int RUSSIAN_STUFF_KOI8R [] = {
87 0xF7, 0xD3, 0xC5, 0xCD, 0x5F, 0xD0, 0xD2, 0xC9, 0xD7,
88 0xC5, 0xD4
89 };
90
91 static final int RUSSIAN_STUFF_WIN1251 [] = {
92 0xC2, 0xF1, 0xE5, 0xEC, 0x5F, 0xEF, 0xF0, 0xE8, 0xE2,
93 0xE5, 0xF2
94 };
95
96
97
98 public TestMethodCharEncoding(final String testName) throws IOException {
99 super(testName);
100 }
101
102
103
104 public static Test suite() {
105 return new TestSuite(TestMethodCharEncoding.class);
106 }
107
108
109
110
111 public void testRequestCharEncoding() throws IOException {
112
113 GetMethod httpget = new GetMethod("/");
114 assertEquals(CHARSET_DEFAULT, httpget.getRequestCharSet());
115 httpget.setRequestHeader("Content-Type", "text/plain; charset=" + CHARSET_ASCII);
116 assertEquals(CHARSET_ASCII, httpget.getRequestCharSet());
117 httpget.setRequestHeader("Content-Type", "text/plain; charset=" + CHARSET_UTF8);
118 assertEquals(CHARSET_UTF8, httpget.getRequestCharSet());
119
120 }
121
122 public void testNoExplicitCharEncoding() throws Exception {
123 this.server.setHttpService(new EchoService());
124
125 GetMethod httpget = new GetMethod("/test/");
126 httpget.setRequestHeader("Content-Type", "text/plain");
127 try {
128 this.client.executeMethod(httpget);
129 assertEquals(HttpStatus.SC_OK, httpget.getStatusCode());
130 assertEquals(CHARSET_DEFAULT, httpget.getResponseCharSet());
131 } finally {
132 httpget.releaseConnection();
133 }
134 }
135
136 public void testExplicitCharEncoding() throws Exception {
137 this.server.setHttpService(new EchoService());
138
139 GetMethod httpget = new GetMethod("/test/");
140 httpget.setRequestHeader("Content-Type", "text/plain; charset=" + CHARSET_UTF8);
141 try {
142 this.client.executeMethod(httpget);
143 assertEquals(HttpStatus.SC_OK, httpget.getStatusCode());
144 assertEquals(CHARSET_UTF8, httpget.getResponseCharSet());
145 } finally {
146 httpget.releaseConnection();
147 }
148 }
149
150 private String constructString(int [] unicodeChars) {
151 StringBuffer buffer = new StringBuffer();
152 if (unicodeChars != null) {
153 for (int i = 0; i < unicodeChars.length; i++) {
154 buffer.append((char)unicodeChars[i]);
155 }
156 }
157 return buffer.toString();
158 }
159
160
161 private void verifyEncoding(RequestEntity entity, int[] sample)
162 throws IOException {
163
164 assertNotNull("Request body", entity);
165
166 ByteArrayOutputStream bos = new ByteArrayOutputStream();
167 entity.writeRequest(bos);
168
169 InputStream instream = new ByteArrayInputStream(bos.toByteArray());
170 for (int i = 0; i < sample.length; i++) {
171 int b = instream.read();
172 assertTrue("Unexpected end of stream", b != -1);
173 if (sample[i] != b) {
174 fail("Invalid request body encoding");
175 }
176 }
177 assertTrue("End of stream expected", instream.read() == -1);
178 }
179
180 public void testLatinAccentInRequestBody() throws IOException {
181 PostMethod httppost = new PostMethod("/");
182 String s = constructString(SWISS_GERMAN_STUFF_UNICODE);
183
184 httppost.setRequestEntity(
185 new StringRequestEntity(s, "text/plain", CHARSET_DEFAULT));
186 verifyEncoding(httppost.getRequestEntity(), SWISS_GERMAN_STUFF_ISO8859_1);
187
188 httppost.setRequestEntity(
189 new StringRequestEntity(s, "text/plain", CHARSET_UTF8));
190 verifyEncoding(httppost.getRequestEntity(), SWISS_GERMAN_STUFF_UTF8);
191
192 }
193
194 public void testRussianInRequestBody() throws IOException {
195 PostMethod httppost = new PostMethod("/");
196 String s = constructString(RUSSIAN_STUFF_UNICODE);
197
198 httppost.setRequestEntity(
199 new StringRequestEntity(s, "text/plain", CHARSET_UTF8));
200 verifyEncoding(httppost.getRequestEntity(), RUSSIAN_STUFF_UTF8);
201
202 httppost.setRequestEntity(
203 new StringRequestEntity(s, "text/plain", CHARSET_KOI8_R));
204 verifyEncoding(httppost.getRequestEntity(), RUSSIAN_STUFF_KOI8R);
205
206 httppost.setRequestEntity(
207 new StringRequestEntity(s, "text/plain", CHARSET_WIN1251));
208 verifyEncoding(httppost.getRequestEntity(), RUSSIAN_STUFF_WIN1251);
209 }
210
211 public void testQueryParams() throws Exception {
212
213 GetMethod get = new GetMethod("/");
214
215 String ru_msg = constructString(RUSSIAN_STUFF_UNICODE);
216 String ch_msg = constructString(SWISS_GERMAN_STUFF_UNICODE);
217
218 get.setQueryString(new NameValuePair[] {
219 new NameValuePair("ru", ru_msg),
220 new NameValuePair("ch", ch_msg)
221 });
222
223 Map params = new HashMap();
224 StringTokenizer tokenizer = new StringTokenizer(
225 get.getQueryString(), "&");
226 while (tokenizer.hasMoreTokens()) {
227 String s = tokenizer.nextToken();
228 int i = s.indexOf('=');
229 assertTrue("Invalid url-encoded parameters", i != -1);
230 String name = s.substring(0, i).trim();
231 String value = s.substring(i + 1, s.length()).trim();
232 value = URIUtil.decode(value, CHARSET_UTF8);
233 params.put(name, value);
234 }
235 assertEquals(ru_msg, params.get("ru"));
236 assertEquals(ch_msg, params.get("ch"));
237 }
238
239 public void testUrlEncodedRequestBody() throws Exception {
240
241 PostMethod httppost = new PostMethod("/");
242
243 String ru_msg = constructString(RUSSIAN_STUFF_UNICODE);
244 String ch_msg = constructString(SWISS_GERMAN_STUFF_UNICODE);
245
246 httppost.setRequestBody(new NameValuePair[] {
247 new NameValuePair("ru", ru_msg),
248 new NameValuePair("ch", ch_msg)
249 });
250
251 httppost.setRequestHeader("Content-Type", PostMethod.FORM_URL_ENCODED_CONTENT_TYPE
252 + "; charset=" + CHARSET_UTF8);
253
254 ByteArrayOutputStream bos = new ByteArrayOutputStream();
255 httppost.getRequestEntity().writeRequest(bos);
256
257 Map params = new HashMap();
258 StringTokenizer tokenizer = new StringTokenizer(
259 new String(bos.toByteArray(), CHARSET_UTF8), "&");
260 while (tokenizer.hasMoreTokens()) {
261 String s = tokenizer.nextToken();
262 int i = s.indexOf('=');
263 assertTrue("Invalid url-encoded parameters", i != -1);
264 String name = s.substring(0, i).trim();
265 String value = s.substring(i + 1, s.length()).trim();
266 value = URIUtil.decode(value, CHARSET_UTF8);
267 params.put(name, value);
268 }
269 assertEquals(ru_msg, params.get("ru"));
270 assertEquals(ch_msg, params.get("ch"));
271 }
272
273 public void testRequestEntityLength() throws IOException {
274 String s = constructString(SWISS_GERMAN_STUFF_UNICODE);
275 RequestEntity requestentity =
276 new StringRequestEntity(s, "text/plain", CHARSET_UTF8);
277 assertEquals(
278 s.getBytes(CHARSET_UTF8).length,
279 requestentity.getContentLength());
280 }
281
282 }