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1   /*
2    * Copyright 2002-2014 the original author or authors.
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  
17  package org.springframework.util;
18  
19  import java.util.ArrayList;
20  import java.util.Collections;
21  import java.util.Comparator;
22  import java.util.LinkedHashMap;
23  import java.util.List;
24  import java.util.Map;
25  
26  import org.junit.Before;
27  import org.junit.Test;
28  
29  import static org.junit.Assert.*;
30  
31  /**
32   * @author Alef Arendsen
33   * @author Seth Ladd
34   * @author Juergen Hoeller
35   * @author Arjen Poutsma
36   * @author Rossen Stoyanchev
37   */
38  public class AntPathMatcherTests {
39  
40  	private AntPathMatcher pathMatcher;
41  
42  	@Before
43  	public void createMatcher() {
44  		pathMatcher = new AntPathMatcher();
45  	}
46  
47  	@Test
48  	public void match() {
49  		// test exact matching
50  		assertTrue(pathMatcher.match("test", "test"));
51  		assertTrue(pathMatcher.match("/test", "/test"));
52  		assertFalse(pathMatcher.match("/test.jpg", "test.jpg"));
53  		assertFalse(pathMatcher.match("test", "/test"));
54  		assertFalse(pathMatcher.match("/test", "test"));
55  
56  		// test matching with ?'s
57  		assertTrue(pathMatcher.match("t?st", "test"));
58  		assertTrue(pathMatcher.match("??st", "test"));
59  		assertTrue(pathMatcher.match("tes?", "test"));
60  		assertTrue(pathMatcher.match("te??", "test"));
61  		assertTrue(pathMatcher.match("?es?", "test"));
62  		assertFalse(pathMatcher.match("tes?", "tes"));
63  		assertFalse(pathMatcher.match("tes?", "testt"));
64  		assertFalse(pathMatcher.match("tes?", "tsst"));
65  
66  		// test matchin with *'s
67  		assertTrue(pathMatcher.match("*", "test"));
68  		assertTrue(pathMatcher.match("test*", "test"));
69  		assertTrue(pathMatcher.match("test*", "testTest"));
70  		assertTrue(pathMatcher.match("test/*", "test/Test"));
71  		assertTrue(pathMatcher.match("test/*", "test/t"));
72  		assertTrue(pathMatcher.match("test/*", "test/"));
73  		assertTrue(pathMatcher.match("*test*", "AnothertestTest"));
74  		assertTrue(pathMatcher.match("*test", "Anothertest"));
75  		assertTrue(pathMatcher.match("*.*", "test."));
76  		assertTrue(pathMatcher.match("*.*", "test.test"));
77  		assertTrue(pathMatcher.match("*.*", "test.test.test"));
78  		assertTrue(pathMatcher.match("test*aaa", "testblaaaa"));
79  		assertFalse(pathMatcher.match("test*", "tst"));
80  		assertFalse(pathMatcher.match("test*", "tsttest"));
81  		assertFalse(pathMatcher.match("test*", "test/"));
82  		assertFalse(pathMatcher.match("test*", "test/t"));
83  		assertFalse(pathMatcher.match("test/*", "test"));
84  		assertFalse(pathMatcher.match("*test*", "tsttst"));
85  		assertFalse(pathMatcher.match("*test", "tsttst"));
86  		assertFalse(pathMatcher.match("*.*", "tsttst"));
87  		assertFalse(pathMatcher.match("test*aaa", "test"));
88  		assertFalse(pathMatcher.match("test*aaa", "testblaaab"));
89  
90  		// test matching with ?'s and /'s
91  		assertTrue(pathMatcher.match("/?", "/a"));
92  		assertTrue(pathMatcher.match("/?/a", "/a/a"));
93  		assertTrue(pathMatcher.match("/a/?", "/a/b"));
94  		assertTrue(pathMatcher.match("/??/a", "/aa/a"));
95  		assertTrue(pathMatcher.match("/a/??", "/a/bb"));
96  		assertTrue(pathMatcher.match("/?", "/a"));
97  
98  		// test matching with **'s
99  		assertTrue(pathMatcher.match("/**", "/testing/testing"));
100 		assertTrue(pathMatcher.match("/*/**", "/testing/testing"));
101 		assertTrue(pathMatcher.match("/**/*", "/testing/testing"));
102 		assertTrue(pathMatcher.match("/bla/**/bla", "/bla/testing/testing/bla"));
103 		assertTrue(pathMatcher.match("/bla/**/bla", "/bla/testing/testing/bla/bla"));
104 		assertTrue(pathMatcher.match("/**/test", "/bla/bla/test"));
105 		assertTrue(pathMatcher.match("/bla/**/**/bla", "/bla/bla/bla/bla/bla/bla"));
106 		assertTrue(pathMatcher.match("/bla*bla/test", "/blaXXXbla/test"));
107 		assertTrue(pathMatcher.match("/*bla/test", "/XXXbla/test"));
108 		assertFalse(pathMatcher.match("/bla*bla/test", "/blaXXXbl/test"));
109 		assertFalse(pathMatcher.match("/*bla/test", "XXXblab/test"));
110 		assertFalse(pathMatcher.match("/*bla/test", "XXXbl/test"));
111 
112 		assertFalse(pathMatcher.match("/????", "/bala/bla"));
113 		assertFalse(pathMatcher.match("/**/*bla", "/bla/bla/bla/bbb"));
114 
115 		assertTrue(pathMatcher.match("/*bla*/**/bla/**", "/XXXblaXXXX/testing/testing/bla/testing/testing/"));
116 		assertTrue(pathMatcher.match("/*bla*/**/bla/*", "/XXXblaXXXX/testing/testing/bla/testing"));
117 		assertTrue(pathMatcher.match("/*bla*/**/bla/**", "/XXXblaXXXX/testing/testing/bla/testing/testing"));
118 		assertTrue(pathMatcher.match("/*bla*/**/bla/**", "/XXXblaXXXX/testing/testing/bla/testing/testing.jpg"));
119 
120 		assertTrue(pathMatcher.match("*bla*/**/bla/**", "XXXblaXXXX/testing/testing/bla/testing/testing/"));
121 		assertTrue(pathMatcher.match("*bla*/**/bla/*", "XXXblaXXXX/testing/testing/bla/testing"));
122 		assertTrue(pathMatcher.match("*bla*/**/bla/**", "XXXblaXXXX/testing/testing/bla/testing/testing"));
123 		assertFalse(pathMatcher.match("*bla*/**/bla/*", "XXXblaXXXX/testing/testing/bla/testing/testing"));
124 
125 		assertFalse(pathMatcher.match("/x/x/**/bla", "/x/x/x/"));
126 
127 		assertTrue(pathMatcher.match("", ""));
128 
129 		assertTrue(pathMatcher.match("/{bla}.*", "/testing.html"));
130 	}
131 
132 	@Test
133 	public void withMatchStart() {
134 		// test exact matching
135 		assertTrue(pathMatcher.matchStart("test", "test"));
136 		assertTrue(pathMatcher.matchStart("/test", "/test"));
137 		assertFalse(pathMatcher.matchStart("/test.jpg", "test.jpg"));
138 		assertFalse(pathMatcher.matchStart("test", "/test"));
139 		assertFalse(pathMatcher.matchStart("/test", "test"));
140 
141 		// test matching with ?'s
142 		assertTrue(pathMatcher.matchStart("t?st", "test"));
143 		assertTrue(pathMatcher.matchStart("??st", "test"));
144 		assertTrue(pathMatcher.matchStart("tes?", "test"));
145 		assertTrue(pathMatcher.matchStart("te??", "test"));
146 		assertTrue(pathMatcher.matchStart("?es?", "test"));
147 		assertFalse(pathMatcher.matchStart("tes?", "tes"));
148 		assertFalse(pathMatcher.matchStart("tes?", "testt"));
149 		assertFalse(pathMatcher.matchStart("tes?", "tsst"));
150 
151 		// test matchin with *'s
152 		assertTrue(pathMatcher.matchStart("*", "test"));
153 		assertTrue(pathMatcher.matchStart("test*", "test"));
154 		assertTrue(pathMatcher.matchStart("test*", "testTest"));
155 		assertTrue(pathMatcher.matchStart("test/*", "test/Test"));
156 		assertTrue(pathMatcher.matchStart("test/*", "test/t"));
157 		assertTrue(pathMatcher.matchStart("test/*", "test/"));
158 		assertTrue(pathMatcher.matchStart("*test*", "AnothertestTest"));
159 		assertTrue(pathMatcher.matchStart("*test", "Anothertest"));
160 		assertTrue(pathMatcher.matchStart("*.*", "test."));
161 		assertTrue(pathMatcher.matchStart("*.*", "test.test"));
162 		assertTrue(pathMatcher.matchStart("*.*", "test.test.test"));
163 		assertTrue(pathMatcher.matchStart("test*aaa", "testblaaaa"));
164 		assertFalse(pathMatcher.matchStart("test*", "tst"));
165 		assertFalse(pathMatcher.matchStart("test*", "test/"));
166 		assertFalse(pathMatcher.matchStart("test*", "tsttest"));
167 		assertFalse(pathMatcher.matchStart("test*", "test/"));
168 		assertFalse(pathMatcher.matchStart("test*", "test/t"));
169 		assertTrue(pathMatcher.matchStart("test/*", "test"));
170 		assertTrue(pathMatcher.matchStart("test/t*.txt", "test"));
171 		assertFalse(pathMatcher.matchStart("*test*", "tsttst"));
172 		assertFalse(pathMatcher.matchStart("*test", "tsttst"));
173 		assertFalse(pathMatcher.matchStart("*.*", "tsttst"));
174 		assertFalse(pathMatcher.matchStart("test*aaa", "test"));
175 		assertFalse(pathMatcher.matchStart("test*aaa", "testblaaab"));
176 
177 		// test matching with ?'s and /'s
178 		assertTrue(pathMatcher.matchStart("/?", "/a"));
179 		assertTrue(pathMatcher.matchStart("/?/a", "/a/a"));
180 		assertTrue(pathMatcher.matchStart("/a/?", "/a/b"));
181 		assertTrue(pathMatcher.matchStart("/??/a", "/aa/a"));
182 		assertTrue(pathMatcher.matchStart("/a/??", "/a/bb"));
183 		assertTrue(pathMatcher.matchStart("/?", "/a"));
184 
185 		// test matching with **'s
186 		assertTrue(pathMatcher.matchStart("/**", "/testing/testing"));
187 		assertTrue(pathMatcher.matchStart("/*/**", "/testing/testing"));
188 		assertTrue(pathMatcher.matchStart("/**/*", "/testing/testing"));
189 		assertTrue(pathMatcher.matchStart("test*/**", "test/"));
190 		assertTrue(pathMatcher.matchStart("test*/**", "test/t"));
191 		assertTrue(pathMatcher.matchStart("/bla/**/bla", "/bla/testing/testing/bla"));
192 		assertTrue(pathMatcher.matchStart("/bla/**/bla", "/bla/testing/testing/bla/bla"));
193 		assertTrue(pathMatcher.matchStart("/**/test", "/bla/bla/test"));
194 		assertTrue(pathMatcher.matchStart("/bla/**/**/bla", "/bla/bla/bla/bla/bla/bla"));
195 		assertTrue(pathMatcher.matchStart("/bla*bla/test", "/blaXXXbla/test"));
196 		assertTrue(pathMatcher.matchStart("/*bla/test", "/XXXbla/test"));
197 		assertFalse(pathMatcher.matchStart("/bla*bla/test", "/blaXXXbl/test"));
198 		assertFalse(pathMatcher.matchStart("/*bla/test", "XXXblab/test"));
199 		assertFalse(pathMatcher.matchStart("/*bla/test", "XXXbl/test"));
200 
201 		assertFalse(pathMatcher.matchStart("/????", "/bala/bla"));
202 		assertTrue(pathMatcher.matchStart("/**/*bla", "/bla/bla/bla/bbb"));
203 
204 		assertTrue(pathMatcher.matchStart("/*bla*/**/bla/**", "/XXXblaXXXX/testing/testing/bla/testing/testing/"));
205 		assertTrue(pathMatcher.matchStart("/*bla*/**/bla/*", "/XXXblaXXXX/testing/testing/bla/testing"));
206 		assertTrue(pathMatcher.matchStart("/*bla*/**/bla/**", "/XXXblaXXXX/testing/testing/bla/testing/testing"));
207 		assertTrue(pathMatcher.matchStart("/*bla*/**/bla/**", "/XXXblaXXXX/testing/testing/bla/testing/testing.jpg"));
208 
209 		assertTrue(pathMatcher.matchStart("*bla*/**/bla/**", "XXXblaXXXX/testing/testing/bla/testing/testing/"));
210 		assertTrue(pathMatcher.matchStart("*bla*/**/bla/*", "XXXblaXXXX/testing/testing/bla/testing"));
211 		assertTrue(pathMatcher.matchStart("*bla*/**/bla/**", "XXXblaXXXX/testing/testing/bla/testing/testing"));
212 		assertTrue(pathMatcher.matchStart("*bla*/**/bla/*", "XXXblaXXXX/testing/testing/bla/testing/testing"));
213 
214 		assertTrue(pathMatcher.matchStart("/x/x/**/bla", "/x/x/x/"));
215 
216 		assertTrue(pathMatcher.matchStart("", ""));
217 	}
218 
219 	@Test
220 	public void uniqueDeliminator() {
221 		pathMatcher.setPathSeparator(".");
222 
223 		// test exact matching
224 		assertTrue(pathMatcher.match("test", "test"));
225 		assertTrue(pathMatcher.match(".test", ".test"));
226 		assertFalse(pathMatcher.match(".test/jpg", "test/jpg"));
227 		assertFalse(pathMatcher.match("test", ".test"));
228 		assertFalse(pathMatcher.match(".test", "test"));
229 
230 		// test matching with ?'s
231 		assertTrue(pathMatcher.match("t?st", "test"));
232 		assertTrue(pathMatcher.match("??st", "test"));
233 		assertTrue(pathMatcher.match("tes?", "test"));
234 		assertTrue(pathMatcher.match("te??", "test"));
235 		assertTrue(pathMatcher.match("?es?", "test"));
236 		assertFalse(pathMatcher.match("tes?", "tes"));
237 		assertFalse(pathMatcher.match("tes?", "testt"));
238 		assertFalse(pathMatcher.match("tes?", "tsst"));
239 
240 		// test matchin with *'s
241 		assertTrue(pathMatcher.match("*", "test"));
242 		assertTrue(pathMatcher.match("test*", "test"));
243 		assertTrue(pathMatcher.match("test*", "testTest"));
244 		assertTrue(pathMatcher.match("*test*", "AnothertestTest"));
245 		assertTrue(pathMatcher.match("*test", "Anothertest"));
246 		assertTrue(pathMatcher.match("*/*", "test/"));
247 		assertTrue(pathMatcher.match("*/*", "test/test"));
248 		assertTrue(pathMatcher.match("*/*", "test/test/test"));
249 		assertTrue(pathMatcher.match("test*aaa", "testblaaaa"));
250 		assertFalse(pathMatcher.match("test*", "tst"));
251 		assertFalse(pathMatcher.match("test*", "tsttest"));
252 		assertFalse(pathMatcher.match("*test*", "tsttst"));
253 		assertFalse(pathMatcher.match("*test", "tsttst"));
254 		assertFalse(pathMatcher.match("*/*", "tsttst"));
255 		assertFalse(pathMatcher.match("test*aaa", "test"));
256 		assertFalse(pathMatcher.match("test*aaa", "testblaaab"));
257 
258 		// test matching with ?'s and .'s
259 		assertTrue(pathMatcher.match(".?", ".a"));
260 		assertTrue(pathMatcher.match(".?.a", ".a.a"));
261 		assertTrue(pathMatcher.match(".a.?", ".a.b"));
262 		assertTrue(pathMatcher.match(".??.a", ".aa.a"));
263 		assertTrue(pathMatcher.match(".a.??", ".a.bb"));
264 		assertTrue(pathMatcher.match(".?", ".a"));
265 
266 		// test matching with **'s
267 		assertTrue(pathMatcher.match(".**", ".testing.testing"));
268 		assertTrue(pathMatcher.match(".*.**", ".testing.testing"));
269 		assertTrue(pathMatcher.match(".**.*", ".testing.testing"));
270 		assertTrue(pathMatcher.match(".bla.**.bla", ".bla.testing.testing.bla"));
271 		assertTrue(pathMatcher.match(".bla.**.bla", ".bla.testing.testing.bla.bla"));
272 		assertTrue(pathMatcher.match(".**.test", ".bla.bla.test"));
273 		assertTrue(pathMatcher.match(".bla.**.**.bla", ".bla.bla.bla.bla.bla.bla"));
274 		assertTrue(pathMatcher.match(".bla*bla.test", ".blaXXXbla.test"));
275 		assertTrue(pathMatcher.match(".*bla.test", ".XXXbla.test"));
276 		assertFalse(pathMatcher.match(".bla*bla.test", ".blaXXXbl.test"));
277 		assertFalse(pathMatcher.match(".*bla.test", "XXXblab.test"));
278 		assertFalse(pathMatcher.match(".*bla.test", "XXXbl.test"));
279 	}
280 
281 	@Test
282 	public void extractPathWithinPattern() throws Exception {
283 		assertEquals("", pathMatcher.extractPathWithinPattern("/docs/commit.html", "/docs/commit.html"));
284 
285 		assertEquals("cvs/commit", pathMatcher.extractPathWithinPattern("/docs/*", "/docs/cvs/commit"));
286 		assertEquals("commit.html", pathMatcher.extractPathWithinPattern("/docs/cvs/*.html", "/docs/cvs/commit.html"));
287 		assertEquals("cvs/commit", pathMatcher.extractPathWithinPattern("/docs/**", "/docs/cvs/commit"));
288 		assertEquals("cvs/commit.html",
289 				pathMatcher.extractPathWithinPattern("/docs/**/*.html", "/docs/cvs/commit.html"));
290 		assertEquals("commit.html", pathMatcher.extractPathWithinPattern("/docs/**/*.html", "/docs/commit.html"));
291 		assertEquals("commit.html", pathMatcher.extractPathWithinPattern("/*.html", "/commit.html"));
292 		assertEquals("docs/commit.html", pathMatcher.extractPathWithinPattern("/*.html", "/docs/commit.html"));
293 		assertEquals("/commit.html", pathMatcher.extractPathWithinPattern("*.html", "/commit.html"));
294 		assertEquals("/docs/commit.html", pathMatcher.extractPathWithinPattern("*.html", "/docs/commit.html"));
295 		assertEquals("/docs/commit.html", pathMatcher.extractPathWithinPattern("**/*.*", "/docs/commit.html"));
296 		assertEquals("/docs/commit.html", pathMatcher.extractPathWithinPattern("*", "/docs/commit.html"));
297 		//SPR-10515
298 		assertEquals("/docs/cvs/other/commit.html", pathMatcher.extractPathWithinPattern("**/commit.html", "/docs/cvs/other/commit.html"));
299 		assertEquals("cvs/other/commit.html", pathMatcher.extractPathWithinPattern("/docs/**/commit.html", "/docs/cvs/other/commit.html"));
300 		assertEquals("cvs/other/commit.html", pathMatcher.extractPathWithinPattern("/docs/**/**/**/**", "/docs/cvs/other/commit.html"));
301 
302 		assertEquals("docs/cvs/commit", pathMatcher.extractPathWithinPattern("/d?cs/*", "/docs/cvs/commit"));
303 		assertEquals("cvs/commit.html",
304 				pathMatcher.extractPathWithinPattern("/docs/c?s/*.html", "/docs/cvs/commit.html"));
305 		assertEquals("docs/cvs/commit", pathMatcher.extractPathWithinPattern("/d?cs/**", "/docs/cvs/commit"));
306 		assertEquals("docs/cvs/commit.html",
307 				pathMatcher.extractPathWithinPattern("/d?cs/**/*.html", "/docs/cvs/commit.html"));
308 	}
309 
310 	@Test
311 	public void extractUriTemplateVariables() throws Exception {
312 		Map<String, String> result = pathMatcher.extractUriTemplateVariables("/hotels/{hotel}", "/hotels/1");
313 		assertEquals(Collections.singletonMap("hotel", "1"), result);
314 
315 		result = pathMatcher.extractUriTemplateVariables("/h?tels/{hotel}", "/hotels/1");
316 		assertEquals(Collections.singletonMap("hotel", "1"), result);
317 
318 		result = pathMatcher.extractUriTemplateVariables("/hotels/{hotel}/bookings/{booking}", "/hotels/1/bookings/2");
319 		Map<String, String> expected = new LinkedHashMap<String, String>();
320 		expected.put("hotel", "1");
321 		expected.put("booking", "2");
322 		assertEquals(expected, result);
323 
324 		result = pathMatcher.extractUriTemplateVariables("/**/hotels/**/{hotel}", "/foo/hotels/bar/1");
325 		assertEquals(Collections.singletonMap("hotel", "1"), result);
326 
327 		result = pathMatcher.extractUriTemplateVariables("/{page}.html", "/42.html");
328 		assertEquals(Collections.singletonMap("page", "42"), result);
329 
330 		result = pathMatcher.extractUriTemplateVariables("/{page}.*", "/42.html");
331 		assertEquals(Collections.singletonMap("page", "42"), result);
332 
333 		result = pathMatcher.extractUriTemplateVariables("/A-{B}-C", "/A-b-C");
334 		assertEquals(Collections.singletonMap("B", "b"), result);
335 
336 		result = pathMatcher.extractUriTemplateVariables("/{name}.{extension}", "/test.html");
337 		expected = new LinkedHashMap<String, String>();
338 		expected.put("name", "test");
339 		expected.put("extension", "html");
340 		assertEquals(expected, result);
341 	}
342 
343 	@Test
344 	public void extractUriTemplateVariablesRegex() {
345 		Map<String, String> result = pathMatcher
346 				.extractUriTemplateVariables("{symbolicName:[\\w\\.]+}-{version:[\\w\\.]+}.jar",
347 						"com.example-1.0.0.jar");
348 		assertEquals("com.example", result.get("symbolicName"));
349 		assertEquals("1.0.0", result.get("version"));
350 
351 		result = pathMatcher.extractUriTemplateVariables("{symbolicName:[\\w\\.]+}-sources-{version:[\\w\\.]+}.jar",
352 				"com.example-sources-1.0.0.jar");
353 		assertEquals("com.example", result.get("symbolicName"));
354 		assertEquals("1.0.0", result.get("version"));
355 	}
356 
357 	// SPR-7787
358 
359 	@Test
360 	public void extractUriTemplateVarsRegexQualifiers() {
361 		Map<String, String> result = pathMatcher.extractUriTemplateVariables(
362 				"{symbolicName:[\\p{L}\\.]+}-sources-{version:[\\p{N}\\.]+}.jar",
363 				"com.example-sources-1.0.0.jar");
364 		assertEquals("com.example", result.get("symbolicName"));
365 		assertEquals("1.0.0", result.get("version"));
366 
367 		result = pathMatcher.extractUriTemplateVariables(
368 				"{symbolicName:[\\w\\.]+}-sources-{version:[\\d\\.]+}-{year:\\d{4}}{month:\\d{2}}{day:\\d{2}}.jar",
369 				"com.example-sources-1.0.0-20100220.jar");
370 		assertEquals("com.example", result.get("symbolicName"));
371 		assertEquals("1.0.0", result.get("version"));
372 		assertEquals("2010", result.get("year"));
373 		assertEquals("02", result.get("month"));
374 		assertEquals("20", result.get("day"));
375 
376 		result = pathMatcher.extractUriTemplateVariables(
377 				"{symbolicName:[\\p{L}\\.]+}-sources-{version:[\\p{N}\\.\\{\\}]+}.jar",
378 				"com.example-sources-1.0.0.{12}.jar");
379 		assertEquals("com.example", result.get("symbolicName"));
380 		assertEquals("1.0.0.{12}", result.get("version"));
381 	}
382 
383 	// SPR-8455
384 
385 	@Test
386 	public void extractUriTemplateVarsRegexCapturingGroups() {
387 		try {
388 			pathMatcher.extractUriTemplateVariables("/web/{id:foo(bar)?}", "/web/foobar");
389 			fail("Expected exception");
390 		}
391 		catch (IllegalArgumentException ex) {
392 			assertTrue("Expected helpful message on the use of capturing groups",
393 					ex.getMessage().contains("The number of capturing groups in the pattern"));
394 		}
395 	}
396 
397 	@Test
398 	public void combine() {
399 		assertEquals("", pathMatcher.combine(null, null));
400 		assertEquals("/hotels", pathMatcher.combine("/hotels", null));
401 		assertEquals("/hotels", pathMatcher.combine(null, "/hotels"));
402 		assertEquals("/hotels/booking", pathMatcher.combine("/hotels/*", "booking"));
403 		assertEquals("/hotels/booking", pathMatcher.combine("/hotels/*", "/booking"));
404 		assertEquals("/hotels/**/booking", pathMatcher.combine("/hotels/**", "booking"));
405 		assertEquals("/hotels/**/booking", pathMatcher.combine("/hotels/**", "/booking"));
406 		assertEquals("/hotels/booking", pathMatcher.combine("/hotels", "/booking"));
407 		assertEquals("/hotels/booking", pathMatcher.combine("/hotels", "booking"));
408 		assertEquals("/hotels/booking", pathMatcher.combine("/hotels/", "booking"));
409 		assertEquals("/hotels/{hotel}", pathMatcher.combine("/hotels/*", "{hotel}"));
410 		assertEquals("/hotels/**/{hotel}", pathMatcher.combine("/hotels/**", "{hotel}"));
411 		assertEquals("/hotels/{hotel}", pathMatcher.combine("/hotels", "{hotel}"));
412 		assertEquals("/hotels/{hotel}.*", pathMatcher.combine("/hotels", "{hotel}.*"));
413 		assertEquals("/hotels/*/booking/{booking}", pathMatcher.combine("/hotels/*/booking", "{booking}"));
414 		assertEquals("/hotel.html", pathMatcher.combine("/*.html", "/hotel.html"));
415 		assertEquals("/hotel.html", pathMatcher.combine("/*.html", "/hotel"));
416 		assertEquals("/hotel.html", pathMatcher.combine("/*.html", "/hotel.*"));
417 		assertEquals("/*.html", pathMatcher.combine("/**", "/*.html"));
418 		assertEquals("/*.html", pathMatcher.combine("/*", "/*.html"));
419 		assertEquals("/*.html", pathMatcher.combine("/*.*", "/*.html"));
420 		assertEquals("/{foo}/bar", pathMatcher.combine("/{foo}", "/bar"));	// SPR-8858
421 		assertEquals("/user/user", pathMatcher.combine("/user", "/user"));	// SPR-7970
422 		assertEquals("/{foo:.*[^0-9].*}/edit/", pathMatcher.combine("/{foo:.*[^0-9].*}", "/edit/")); // SPR-10062
423 		assertEquals("/1.0/foo/test", pathMatcher.combine("/1.0", "/foo/test")); // SPR-10554
424 	}
425 
426 	@Test
427 	public void patternComparator() {
428 		Comparator<String> comparator = pathMatcher.getPatternComparator("/hotels/new");
429 
430 		assertEquals(0, comparator.compare(null, null));
431 		assertEquals(1, comparator.compare(null, "/hotels/new"));
432 		assertEquals(-1, comparator.compare("/hotels/new", null));
433 
434 		assertEquals(0, comparator.compare("/hotels/new", "/hotels/new"));
435 
436 		assertEquals(-1, comparator.compare("/hotels/new", "/hotels/*"));
437 		assertEquals(1, comparator.compare("/hotels/*", "/hotels/new"));
438 		assertEquals(0, comparator.compare("/hotels/*", "/hotels/*"));
439 
440 		assertEquals(-1, comparator.compare("/hotels/new", "/hotels/{hotel}"));
441 		assertEquals(1, comparator.compare("/hotels/{hotel}", "/hotels/new"));
442 		assertEquals(0, comparator.compare("/hotels/{hotel}", "/hotels/{hotel}"));
443 		assertEquals(-1, comparator.compare("/hotels/{hotel}/booking", "/hotels/{hotel}/bookings/{booking}"));
444 		assertEquals(1, comparator.compare("/hotels/{hotel}/bookings/{booking}", "/hotels/{hotel}/booking"));
445 
446 		//SPR-10550
447 		assertEquals(-1, comparator.compare("/hotels/{hotel}/bookings/{booking}/cutomers/{customer}", "/**"));
448 		assertEquals(1, comparator.compare("/**","/hotels/{hotel}/bookings/{booking}/cutomers/{customer}"));
449 		assertEquals(0, comparator.compare("/**","/**"));
450 
451 		assertEquals(-1, comparator.compare("/hotels/{hotel}", "/hotels/*"));
452 		assertEquals(1, comparator.compare("/hotels/*", "/hotels/{hotel}"));
453 
454 		assertEquals(-1, comparator.compare("/hotels/*", "/hotels/*/**"));
455 		assertEquals(1, comparator.compare("/hotels/*/**", "/hotels/*"));
456 
457 		assertEquals(-1, comparator.compare("/hotels/new", "/hotels/new.*"));
458 		assertEquals(2, comparator.compare("/hotels/{hotel}", "/hotels/{hotel}.*"));
459 
460 		//SPR-6741
461 		assertEquals(-1, comparator.compare("/hotels/{hotel}/bookings/{booking}/cutomers/{customer}", "/hotels/**"));
462 		assertEquals(1, comparator.compare("/hotels/**", "/hotels/{hotel}/bookings/{booking}/cutomers/{customer}"));
463 		assertEquals(1, comparator.compare("/hotels/foo/bar/**", "/hotels/{hotel}"));
464 		assertEquals(-1, comparator.compare("/hotels/{hotel}", "/hotels/foo/bar/**"));
465 		assertEquals(2, comparator.compare("/hotels/**/bookings/**", "/hotels/**"));
466 		assertEquals(-2, comparator.compare("/hotels/**", "/hotels/**/bookings/**"));
467 
468 		//SPR-8683
469 		assertEquals(1, comparator.compare("/**", "/hotels/{hotel}"));
470 
471 		// longer is better
472 		assertEquals(1, comparator.compare("/hotels", "/hotels2"));
473 	}
474 
475 	@Test
476 	public void patternComparatorSort() {
477 		Comparator<String> comparator = pathMatcher.getPatternComparator("/hotels/new");
478 		List<String> paths = new ArrayList<String>(3);
479 
480 		paths.add(null);
481 		paths.add("/hotels/new");
482 		Collections.sort(paths, comparator);
483 		assertEquals("/hotels/new", paths.get(0));
484 		assertNull(paths.get(1));
485 		paths.clear();
486 
487 		paths.add("/hotels/new");
488 		paths.add(null);
489 		Collections.sort(paths, comparator);
490 		assertEquals("/hotels/new", paths.get(0));
491 		assertNull(paths.get(1));
492 		paths.clear();
493 
494 		paths.add("/hotels/*");
495 		paths.add("/hotels/new");
496 		Collections.sort(paths, comparator);
497 		assertEquals("/hotels/new", paths.get(0));
498 		assertEquals("/hotels/*", paths.get(1));
499 		paths.clear();
500 
501 		paths.add("/hotels/new");
502 		paths.add("/hotels/*");
503 		Collections.sort(paths, comparator);
504 		assertEquals("/hotels/new", paths.get(0));
505 		assertEquals("/hotels/*", paths.get(1));
506 		paths.clear();
507 
508 		paths.add("/hotels/**");
509 		paths.add("/hotels/*");
510 		Collections.sort(paths, comparator);
511 		assertEquals("/hotels/*", paths.get(0));
512 		assertEquals("/hotels/**", paths.get(1));
513 		paths.clear();
514 
515 		paths.add("/hotels/*");
516 		paths.add("/hotels/**");
517 		Collections.sort(paths, comparator);
518 		assertEquals("/hotels/*", paths.get(0));
519 		assertEquals("/hotels/**", paths.get(1));
520 		paths.clear();
521 
522 		paths.add("/hotels/{hotel}");
523 		paths.add("/hotels/new");
524 		Collections.sort(paths, comparator);
525 		assertEquals("/hotels/new", paths.get(0));
526 		assertEquals("/hotels/{hotel}", paths.get(1));
527 		paths.clear();
528 
529 		paths.add("/hotels/new");
530 		paths.add("/hotels/{hotel}");
531 		Collections.sort(paths, comparator);
532 		assertEquals("/hotels/new", paths.get(0));
533 		assertEquals("/hotels/{hotel}", paths.get(1));
534 		paths.clear();
535 
536 		paths.add("/hotels/*");
537 		paths.add("/hotels/{hotel}");
538 		paths.add("/hotels/new");
539 		Collections.sort(paths, comparator);
540 		assertEquals("/hotels/new", paths.get(0));
541 		assertEquals("/hotels/{hotel}", paths.get(1));
542 		assertEquals("/hotels/*", paths.get(2));
543 		paths.clear();
544 
545 		paths.add("/hotels/ne*");
546 		paths.add("/hotels/n*");
547 		Collections.shuffle(paths);
548 		Collections.sort(paths, comparator);
549 		assertEquals("/hotels/ne*", paths.get(0));
550 		assertEquals("/hotels/n*", paths.get(1));
551 		paths.clear();
552 
553 		comparator = pathMatcher.getPatternComparator("/hotels/new.html");
554 		paths.add("/hotels/new.*");
555 		paths.add("/hotels/{hotel}");
556 		Collections.shuffle(paths);
557 		Collections.sort(paths, comparator);
558 		assertEquals("/hotels/new.*", paths.get(0));
559 		assertEquals("/hotels/{hotel}", paths.get(1));
560 		paths.clear();
561 
562 		comparator = pathMatcher.getPatternComparator("/web/endUser/action/login.html");
563 		paths.add("/**/login.*");
564 		paths.add("/**/endUser/action/login.*");
565 		Collections.sort(paths, comparator);
566 		assertEquals("/**/endUser/action/login.*", paths.get(0));
567 		assertEquals("/**/login.*", paths.get(1));
568 		paths.clear();
569 	}
570 
571 	// SPR-8687
572 
573 	@Test
574 	public void trimTokensOff() {
575 		pathMatcher.setTrimTokens(false);
576 
577 		assertTrue(pathMatcher.match("/group/{groupName}/members", "/group/sales/members"));
578 		assertTrue(pathMatcher.match("/group/{groupName}/members", "/group/  sales/members"));
579 	}
580 
581 	@Test
582 	public void testDefaultCacheSetting() {
583 		match();
584 		assertTrue(pathMatcher.stringMatcherCache.size() > 20);
585 
586 		for (int i = 0; i < 65536; i++) {
587 			pathMatcher.match("test" + i, "test");
588 		}
589 		// Cache turned off because it went beyond the threshold
590 		assertTrue(pathMatcher.stringMatcherCache.isEmpty());
591 	}
592 
593 	@Test
594 	public void testCacheSetToTrue() {
595 		pathMatcher.setCachePatterns(true);
596 		match();
597 		assertTrue(pathMatcher.stringMatcherCache.size() > 20);
598 
599 		for (int i = 0; i < 65536; i++) {
600 			pathMatcher.match("test" + i, "test");
601 		}
602 		// Cache keeps being alive due to the explicit cache setting
603 		assertTrue(pathMatcher.stringMatcherCache.size() > 65536);
604 	}
605 
606 	@Test
607 	public void testCacheSetToFalse() {
608 		pathMatcher.setCachePatterns(false);
609 		match();
610 		assertTrue(pathMatcher.stringMatcherCache.isEmpty());
611 	}
612 
613 	@Test
614 	public void testExtensionMappingWithDotPathSeparator() {
615 		pathMatcher.setPathSeparator(".");
616 		assertEquals("Extension mapping should be disabled with \".\" as path separator",
617 				"/*.html.hotel.*", pathMatcher.combine("/*.html", "hotel.*"));
618 	}
619 
620 }