View Javadoc
1   /*
2    * Copyright (C) 2007, Dave Watson <dwatson@mimvista.com>
3    * Copyright (C) 2009-2010, Google Inc.
4    * Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
5    * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
6    * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
7    * Copyright (C) 2010, Mathias Kinzler <mathias.kinzler@sap.com>
8    * and other copyright owners as documented in the project's IP log.
9    *
10   * This program and the accompanying materials are made available
11   * under the terms of the Eclipse Distribution License v1.0 which
12   * accompanies this distribution, is reproduced below, and is
13   * available at http://www.eclipse.org/org/documents/edl-v10.php
14   *
15   * All rights reserved.
16   *
17   * Redistribution and use in source and binary forms, with or
18   * without modification, are permitted provided that the following
19   * conditions are met:
20   *
21   * - Redistributions of source code must retain the above copyright
22   *   notice, this list of conditions and the following disclaimer.
23   *
24   * - Redistributions in binary form must reproduce the above
25   *   copyright notice, this list of conditions and the following
26   *   disclaimer in the documentation and/or other materials provided
27   *   with the distribution.
28   *
29   * - Neither the name of the Eclipse Foundation, Inc. nor the
30   *   names of its contributors may be used to endorse or promote
31   *   products derived from this software without specific prior
32   *   written permission.
33   *
34   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
35   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
36   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
38   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
39   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
43   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
46   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
47   */
48  
49  package org.eclipse.jgit.lib;
50  
51  import static java.util.concurrent.TimeUnit.DAYS;
52  import static java.util.concurrent.TimeUnit.HOURS;
53  import static java.util.concurrent.TimeUnit.MILLISECONDS;
54  import static java.util.concurrent.TimeUnit.MINUTES;
55  import static java.util.concurrent.TimeUnit.NANOSECONDS;
56  import static java.util.concurrent.TimeUnit.MICROSECONDS;
57  import static java.util.concurrent.TimeUnit.SECONDS;
58  import static org.eclipse.jgit.util.FileUtils.pathToString;
59  import static org.junit.Assert.assertArrayEquals;
60  import static org.junit.Assert.assertEquals;
61  import static org.junit.Assert.assertFalse;
62  import static org.junit.Assert.assertNull;
63  import static org.junit.Assert.assertSame;
64  import static org.junit.Assert.assertTrue;
65  import static org.junit.Assert.fail;
66  
67  import java.io.File;
68  import java.io.IOException;
69  import java.nio.file.Files;
70  import java.text.MessageFormat;
71  import java.util.Arrays;
72  import java.util.Iterator;
73  import java.util.LinkedList;
74  import java.util.Set;
75  import java.util.concurrent.TimeUnit;
76  
77  import org.eclipse.jgit.api.MergeCommand.FastForwardMode;
78  import org.eclipse.jgit.errors.ConfigInvalidException;
79  import org.eclipse.jgit.internal.JGitText;
80  import org.eclipse.jgit.junit.MockSystemReader;
81  import org.eclipse.jgit.merge.MergeConfig;
82  import org.eclipse.jgit.storage.file.FileBasedConfig;
83  import org.eclipse.jgit.util.FS;
84  import org.eclipse.jgit.util.SystemReader;
85  import org.junit.After;
86  import org.junit.Rule;
87  import org.junit.Test;
88  import org.junit.rules.ExpectedException;
89  import org.junit.rules.TemporaryFolder;
90  
91  /**
92   * Test reading of git config
93   */
94  @SuppressWarnings("boxing")
95  public class ConfigTest {
96  	// A non-ASCII whitespace character: U+2002 EN QUAD.
97  	private static final char WS = '\u2002';
98  
99  	@Rule
100 	public ExpectedException expectedEx = ExpectedException.none();
101 
102 	@Rule
103 	public TemporaryFolder tmp = new TemporaryFolder();
104 
105 	@After
106 	public void tearDown() {
107 		SystemReader.setInstance(null);
108 	}
109 
110 	@Test
111 	public void test001_ReadBareKey() throws ConfigInvalidException {
112 		final Config c = parse("[foo]\nbar\n");
113 		assertTrue(c.getBoolean("foo", null, "bar", false));
114 		assertEquals("", c.getString("foo", null, "bar"));
115 	}
116 
117 	@Test
118 	public void test002_ReadWithSubsection() throws ConfigInvalidException {
119 		final Config c = parse("[foo \"zip\"]\nbar\n[foo \"zap\"]\nbar=false\nn=3\n");
120 		assertTrue(c.getBoolean("foo", "zip", "bar", false));
121 		assertEquals("", c.getString("foo","zip", "bar"));
122 		assertFalse(c.getBoolean("foo", "zap", "bar", true));
123 		assertEquals("false", c.getString("foo", "zap", "bar"));
124 		assertEquals(3, c.getInt("foo", "zap", "n", 4));
125 		assertEquals(4, c.getInt("foo", "zap","m", 4));
126 	}
127 
128 	@Test
129 	public void test003_PutRemote() {
130 		final Config c = new Config();
131 		c.setString("sec", "ext", "name", "value");
132 		c.setString("sec", "ext", "name2", "value2");
133 		final String expText = "[sec \"ext\"]\n\tname = value\n\tname2 = value2\n";
134 		assertEquals(expText, c.toText());
135 	}
136 
137 	@Test
138 	public void test004_PutGetSimple() {
139 		Config c = new Config();
140 		c.setString("my", null, "somename", "false");
141 		assertEquals("false", c.getString("my", null, "somename"));
142 		assertEquals("[my]\n\tsomename = false\n", c.toText());
143 	}
144 
145 	@Test
146 	public void test005_PutGetStringList() {
147 		Config c = new Config();
148 		final LinkedList<String> values = new LinkedList<>();
149 		values.add("value1");
150 		values.add("value2");
151 		c.setStringList("my", null, "somename", values);
152 
153 		final Object[] expArr = values.toArray();
154 		final String[] actArr = c.getStringList("my", null, "somename");
155 		assertArrayEquals(expArr, actArr);
156 
157 		final String expText = "[my]\n\tsomename = value1\n\tsomename = value2\n";
158 		assertEquals(expText, c.toText());
159 	}
160 
161 	@Test
162 	public void test006_readCaseInsensitive() throws ConfigInvalidException {
163 		final Config c = parse("[Foo]\nBar\n");
164 		assertTrue(c.getBoolean("foo", null, "bar", false));
165 		assertEquals("", c.getString("foo", null, "bar"));
166 	}
167 
168 	@Test
169 	public void test007_readUserConfig() {
170 		final MockSystemReader mockSystemReader = new MockSystemReader();
171 		SystemReader.setInstance(mockSystemReader);
172 		final String hostname = mockSystemReader.getHostname();
173 		final Config userGitConfig = mockSystemReader.openUserConfig(null,
174 				FS.DETECTED);
175 		final Config localConfig = new Config(userGitConfig);
176 		mockSystemReader.clearProperties();
177 
178 		String authorName;
179 		String authorEmail;
180 
181 		// no values defined nowhere
182 		authorName = localConfig.get(UserConfig.KEY).getAuthorName();
183 		authorEmail = localConfig.get(UserConfig.KEY).getAuthorEmail();
184 		assertEquals(Constants.UNKNOWN_USER_DEFAULT, authorName);
185 		assertEquals(Constants.UNKNOWN_USER_DEFAULT + "@" + hostname, authorEmail);
186 		assertTrue(localConfig.get(UserConfig.KEY).isAuthorNameImplicit());
187 		assertTrue(localConfig.get(UserConfig.KEY).isAuthorEmailImplicit());
188 
189 		// the system user name is defined
190 		mockSystemReader.setProperty(Constants.OS_USER_NAME_KEY, "os user name");
191 		localConfig.uncache(UserConfig.KEY);
192 		authorName = localConfig.get(UserConfig.KEY).getAuthorName();
193 		assertEquals("os user name", authorName);
194 		assertTrue(localConfig.get(UserConfig.KEY).isAuthorNameImplicit());
195 
196 		if (hostname != null && hostname.length() != 0) {
197 			authorEmail = localConfig.get(UserConfig.KEY).getAuthorEmail();
198 			assertEquals("os user name@" + hostname, authorEmail);
199 		}
200 		assertTrue(localConfig.get(UserConfig.KEY).isAuthorEmailImplicit());
201 
202 		// the git environment variables are defined
203 		mockSystemReader.setProperty(Constants.GIT_AUTHOR_NAME_KEY, "git author name");
204 		mockSystemReader.setProperty(Constants.GIT_AUTHOR_EMAIL_KEY, "author@email");
205 		localConfig.uncache(UserConfig.KEY);
206 		authorName = localConfig.get(UserConfig.KEY).getAuthorName();
207 		authorEmail = localConfig.get(UserConfig.KEY).getAuthorEmail();
208 		assertEquals("git author name", authorName);
209 		assertEquals("author@email", authorEmail);
210 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorNameImplicit());
211 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorEmailImplicit());
212 
213 		// the values are defined in the global configuration
214 		// first clear environment variables since they would override
215 		// configuration files
216 		mockSystemReader.clearProperties();
217 		userGitConfig.setString("user", null, "name", "global username");
218 		userGitConfig.setString("user", null, "email", "author@globalemail");
219 		authorName = localConfig.get(UserConfig.KEY).getAuthorName();
220 		authorEmail = localConfig.get(UserConfig.KEY).getAuthorEmail();
221 		assertEquals("global username", authorName);
222 		assertEquals("author@globalemail", authorEmail);
223 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorNameImplicit());
224 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorEmailImplicit());
225 
226 		// the values are defined in the local configuration
227 		localConfig.setString("user", null, "name", "local username");
228 		localConfig.setString("user", null, "email", "author@localemail");
229 		authorName = localConfig.get(UserConfig.KEY).getAuthorName();
230 		authorEmail = localConfig.get(UserConfig.KEY).getAuthorEmail();
231 		assertEquals("local username", authorName);
232 		assertEquals("author@localemail", authorEmail);
233 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorNameImplicit());
234 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorEmailImplicit());
235 
236 		authorName = localConfig.get(UserConfig.KEY).getCommitterName();
237 		authorEmail = localConfig.get(UserConfig.KEY).getCommitterEmail();
238 		assertEquals("local username", authorName);
239 		assertEquals("author@localemail", authorEmail);
240 		assertFalse(localConfig.get(UserConfig.KEY).isCommitterNameImplicit());
241 		assertFalse(localConfig.get(UserConfig.KEY).isCommitterEmailImplicit());
242 
243 		// also git environment variables are defined
244 		mockSystemReader.setProperty(Constants.GIT_AUTHOR_NAME_KEY,
245 				"git author name");
246 		mockSystemReader.setProperty(Constants.GIT_AUTHOR_EMAIL_KEY,
247 				"author@email");
248 		localConfig.setString("user", null, "name", "local username");
249 		localConfig.setString("user", null, "email", "author@localemail");
250 		authorName = localConfig.get(UserConfig.KEY).getAuthorName();
251 		authorEmail = localConfig.get(UserConfig.KEY).getAuthorEmail();
252 		assertEquals("git author name", authorName);
253 		assertEquals("author@email", authorEmail);
254 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorNameImplicit());
255 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorEmailImplicit());
256 	}
257 
258 	@Test
259 	public void testReadUserConfigWithInvalidCharactersStripped() {
260 		final MockSystemReader mockSystemReader = new MockSystemReader();
261 		final Config localConfig = new Config(mockSystemReader.openUserConfig(
262 				null, FS.DETECTED));
263 
264 		localConfig.setString("user", null, "name", "foo<bar");
265 		localConfig.setString("user", null, "email", "baz>\nqux@example.com");
266 
267 		UserConfig userConfig = localConfig.get(UserConfig.KEY);
268 		assertEquals("foobar", userConfig.getAuthorName());
269 		assertEquals("bazqux@example.com", userConfig.getAuthorEmail());
270 	}
271 
272 	@Test
273 	public void testReadBoolean_TrueFalse1() throws ConfigInvalidException {
274 		final Config c = parse("[s]\na = true\nb = false\n");
275 		assertEquals("true", c.getString("s", null, "a"));
276 		assertEquals("false", c.getString("s", null, "b"));
277 
278 		assertTrue(c.getBoolean("s", "a", false));
279 		assertFalse(c.getBoolean("s", "b", true));
280 	}
281 
282 	@Test
283 	public void testReadBoolean_TrueFalse2() throws ConfigInvalidException {
284 		final Config c = parse("[s]\na = TrUe\nb = fAlSe\n");
285 		assertEquals("TrUe", c.getString("s", null, "a"));
286 		assertEquals("fAlSe", c.getString("s", null, "b"));
287 
288 		assertTrue(c.getBoolean("s", "a", false));
289 		assertFalse(c.getBoolean("s", "b", true));
290 	}
291 
292 	@Test
293 	public void testReadBoolean_YesNo1() throws ConfigInvalidException {
294 		final Config c = parse("[s]\na = yes\nb = no\n");
295 		assertEquals("yes", c.getString("s", null, "a"));
296 		assertEquals("no", c.getString("s", null, "b"));
297 
298 		assertTrue(c.getBoolean("s", "a", false));
299 		assertFalse(c.getBoolean("s", "b", true));
300 	}
301 
302 	@Test
303 	public void testReadBoolean_YesNo2() throws ConfigInvalidException {
304 		final Config c = parse("[s]\na = yEs\nb = NO\n");
305 		assertEquals("yEs", c.getString("s", null, "a"));
306 		assertEquals("NO", c.getString("s", null, "b"));
307 
308 		assertTrue(c.getBoolean("s", "a", false));
309 		assertFalse(c.getBoolean("s", "b", true));
310 	}
311 
312 	@Test
313 	public void testReadBoolean_OnOff1() throws ConfigInvalidException {
314 		final Config c = parse("[s]\na = on\nb = off\n");
315 		assertEquals("on", c.getString("s", null, "a"));
316 		assertEquals("off", c.getString("s", null, "b"));
317 
318 		assertTrue(c.getBoolean("s", "a", false));
319 		assertFalse(c.getBoolean("s", "b", true));
320 	}
321 
322 	@Test
323 	public void testReadBoolean_OnOff2() throws ConfigInvalidException {
324 		final Config c = parse("[s]\na = ON\nb = OFF\n");
325 		assertEquals("ON", c.getString("s", null, "a"));
326 		assertEquals("OFF", c.getString("s", null, "b"));
327 
328 		assertTrue(c.getBoolean("s", "a", false));
329 		assertFalse(c.getBoolean("s", "b", true));
330 	}
331 
332 	static enum TestEnum {
333 		ONE_TWO;
334 	}
335 
336 	@Test
337 	public void testGetEnum() throws ConfigInvalidException {
338 		Config c = parse("[s]\na = ON\nb = input\nc = true\nd = off\n");
339 		assertSame(CoreConfig.AutoCRLF.TRUE, c.getEnum("s", null, "a",
340 				CoreConfig.AutoCRLF.FALSE));
341 
342 		assertSame(CoreConfig.AutoCRLF.INPUT, c.getEnum("s", null, "b",
343 				CoreConfig.AutoCRLF.FALSE));
344 
345 		assertSame(CoreConfig.AutoCRLF.TRUE, c.getEnum("s", null, "c",
346 				CoreConfig.AutoCRLF.FALSE));
347 
348 		assertSame(CoreConfig.AutoCRLF.FALSE, c.getEnum("s", null, "d",
349 				CoreConfig.AutoCRLF.TRUE));
350 
351 		c = new Config();
352 		assertSame(CoreConfig.AutoCRLF.FALSE, c.getEnum("s", null, "d",
353 				CoreConfig.AutoCRLF.FALSE));
354 
355 		c = parse("[s \"b\"]\n\tc = one two\n");
356 		assertSame(TestEnum.ONE_TWO, c.getEnum("s", "b", "c", TestEnum.ONE_TWO));
357 
358 		c = parse("[s \"b\"]\n\tc = one-two\n");
359 		assertSame(TestEnum.ONE_TWO, c.getEnum("s", "b", "c", TestEnum.ONE_TWO));
360 	}
361 
362 	@Test
363 	public void testGetInvalidEnum() throws ConfigInvalidException {
364 		Config c = parse("[a]\n\tb = invalid\n");
365 		try {
366 			c.getEnum("a", null, "b", TestEnum.ONE_TWO);
367 			fail();
368 		} catch (IllegalArgumentException e) {
369 			assertEquals("Invalid value: a.b=invalid", e.getMessage());
370 		}
371 
372 		c = parse("[a \"b\"]\n\tc = invalid\n");
373 		try {
374 			c.getEnum("a", "b", "c", TestEnum.ONE_TWO);
375 			fail();
376 		} catch (IllegalArgumentException e) {
377 			assertEquals("Invalid value: a.b.c=invalid", e.getMessage());
378 		}
379 	}
380 
381 	@Test
382 	public void testSetEnum() {
383 		final Config c = new Config();
384 		c.setEnum("s", "b", "c", TestEnum.ONE_TWO);
385 		assertEquals("[s \"b\"]\n\tc = one two\n", c.toText());
386 	}
387 
388 	@Test
389 	public void testGetFastForwardMergeoptions() throws ConfigInvalidException {
390 		Config c = new Config(null); // not set
391 		assertSame(FastForwardMode.FF, c.getEnum(
392 				ConfigConstants.CONFIG_BRANCH_SECTION, "side",
393 				ConfigConstants.CONFIG_KEY_MERGEOPTIONS, FastForwardMode.FF));
394 		MergeConfig mergeConfig = c.get(MergeConfig.getParser("side"));
395 		assertSame(FastForwardMode.FF, mergeConfig.getFastForwardMode());
396 		c = parse("[branch \"side\"]\n\tmergeoptions = --ff-only\n");
397 		assertSame(FastForwardMode.FF_ONLY, c.getEnum(
398 				ConfigConstants.CONFIG_BRANCH_SECTION, "side",
399 				ConfigConstants.CONFIG_KEY_MERGEOPTIONS,
400 				FastForwardMode.FF_ONLY));
401 		mergeConfig = c.get(MergeConfig.getParser("side"));
402 		assertSame(FastForwardMode.FF_ONLY, mergeConfig.getFastForwardMode());
403 		c = parse("[branch \"side\"]\n\tmergeoptions = --ff\n");
404 		assertSame(FastForwardMode.FF, c.getEnum(
405 				ConfigConstants.CONFIG_BRANCH_SECTION, "side",
406 				ConfigConstants.CONFIG_KEY_MERGEOPTIONS, FastForwardMode.FF));
407 		mergeConfig = c.get(MergeConfig.getParser("side"));
408 		assertSame(FastForwardMode.FF, mergeConfig.getFastForwardMode());
409 		c = parse("[branch \"side\"]\n\tmergeoptions = --no-ff\n");
410 		assertSame(FastForwardMode.NO_FF, c.getEnum(
411 				ConfigConstants.CONFIG_BRANCH_SECTION, "side",
412 				ConfigConstants.CONFIG_KEY_MERGEOPTIONS, FastForwardMode.NO_FF));
413 		mergeConfig = c.get(MergeConfig.getParser("side"));
414 		assertSame(FastForwardMode.NO_FF, mergeConfig.getFastForwardMode());
415 	}
416 
417 	@Test
418 	public void testSetFastForwardMergeoptions() {
419 		final Config c = new Config();
420 		c.setEnum("branch", "side", "mergeoptions", FastForwardMode.FF);
421 		assertEquals("[branch \"side\"]\n\tmergeoptions = --ff\n", c.toText());
422 		c.setEnum("branch", "side", "mergeoptions", FastForwardMode.FF_ONLY);
423 		assertEquals("[branch \"side\"]\n\tmergeoptions = --ff-only\n",
424 				c.toText());
425 		c.setEnum("branch", "side", "mergeoptions", FastForwardMode.NO_FF);
426 		assertEquals("[branch \"side\"]\n\tmergeoptions = --no-ff\n",
427 				c.toText());
428 	}
429 
430 	@Test
431 	public void testGetFastForwardMerge() throws ConfigInvalidException {
432 		Config c = new Config(null); // not set
433 		assertSame(FastForwardMode.Merge.TRUE, c.getEnum(
434 				ConfigConstants.CONFIG_KEY_MERGE, null,
435 				ConfigConstants.CONFIG_KEY_FF, FastForwardMode.Merge.TRUE));
436 		MergeConfig mergeConfig = c.get(MergeConfig.getParser("side"));
437 		assertSame(FastForwardMode.FF, mergeConfig.getFastForwardMode());
438 		c = parse("[merge]\n\tff = only\n");
439 		assertSame(FastForwardMode.Merge.ONLY, c.getEnum(
440 				ConfigConstants.CONFIG_KEY_MERGE, null,
441 				ConfigConstants.CONFIG_KEY_FF, FastForwardMode.Merge.ONLY));
442 		mergeConfig = c.get(MergeConfig.getParser("side"));
443 		assertSame(FastForwardMode.FF_ONLY, mergeConfig.getFastForwardMode());
444 		c = parse("[merge]\n\tff = true\n");
445 		assertSame(FastForwardMode.Merge.TRUE, c.getEnum(
446 				ConfigConstants.CONFIG_KEY_MERGE, null,
447 				ConfigConstants.CONFIG_KEY_FF, FastForwardMode.Merge.TRUE));
448 		mergeConfig = c.get(MergeConfig.getParser("side"));
449 		assertSame(FastForwardMode.FF, mergeConfig.getFastForwardMode());
450 		c = parse("[merge]\n\tff = false\n");
451 		assertSame(FastForwardMode.Merge.FALSE, c.getEnum(
452 				ConfigConstants.CONFIG_KEY_MERGE, null,
453 				ConfigConstants.CONFIG_KEY_FF, FastForwardMode.Merge.FALSE));
454 		mergeConfig = c.get(MergeConfig.getParser("side"));
455 		assertSame(FastForwardMode.NO_FF, mergeConfig.getFastForwardMode());
456 	}
457 
458 	@Test
459 	public void testCombinedMergeOptions() throws ConfigInvalidException {
460 		Config c = new Config(null); // not set
461 		MergeConfig mergeConfig = c.get(MergeConfig.getParser("side"));
462 		assertSame(FastForwardMode.FF, mergeConfig.getFastForwardMode());
463 		assertTrue(mergeConfig.isCommit());
464 		assertFalse(mergeConfig.isSquash());
465 		// branch..mergeoptions should win over merge.ff
466 		c = parse("[merge]\n\tff = false\n"
467 				+ "[branch \"side\"]\n\tmergeoptions = --ff-only\n");
468 		mergeConfig = c.get(MergeConfig.getParser("side"));
469 		assertSame(FastForwardMode.FF_ONLY, mergeConfig.getFastForwardMode());
470 		assertTrue(mergeConfig.isCommit());
471 		assertFalse(mergeConfig.isSquash());
472 		// merge.ff used for ff setting if not set via mergeoptions
473 		c = parse("[merge]\n\tff = only\n"
474 				+ "[branch \"side\"]\n\tmergeoptions = --squash\n");
475 		mergeConfig = c.get(MergeConfig.getParser("side"));
476 		assertSame(FastForwardMode.FF_ONLY, mergeConfig.getFastForwardMode());
477 		assertTrue(mergeConfig.isCommit());
478 		assertTrue(mergeConfig.isSquash());
479 		// mergeoptions wins if it has ff options amongst other options
480 		c = parse("[merge]\n\tff = false\n"
481 				+ "[branch \"side\"]\n\tmergeoptions = --ff-only --no-commit\n");
482 		mergeConfig = c.get(MergeConfig.getParser("side"));
483 		assertSame(FastForwardMode.FF_ONLY, mergeConfig.getFastForwardMode());
484 		assertFalse(mergeConfig.isCommit());
485 		assertFalse(mergeConfig.isSquash());
486 	}
487 
488 	@Test
489 	public void testSetFastForwardMerge() {
490 		final Config c = new Config();
491 		c.setEnum("merge", null, "ff",
492 				FastForwardMode.Merge.valueOf(FastForwardMode.FF));
493 		assertEquals("[merge]\n\tff = true\n", c.toText());
494 		c.setEnum("merge", null, "ff",
495 				FastForwardMode.Merge.valueOf(FastForwardMode.FF_ONLY));
496 		assertEquals("[merge]\n\tff = only\n", c.toText());
497 		c.setEnum("merge", null, "ff",
498 				FastForwardMode.Merge.valueOf(FastForwardMode.NO_FF));
499 		assertEquals("[merge]\n\tff = false\n", c.toText());
500 	}
501 
502 	@Test
503 	public void testReadLong() throws ConfigInvalidException {
504 		assertReadLong(1L);
505 		assertReadLong(-1L);
506 		assertReadLong(Long.MIN_VALUE);
507 		assertReadLong(Long.MAX_VALUE);
508 		assertReadLong(4L * 1024 * 1024 * 1024, "4g");
509 		assertReadLong(3L * 1024 * 1024, "3 m");
510 		assertReadLong(8L * 1024, "8 k");
511 
512 		try {
513 			assertReadLong(-1, "1.5g");
514 			fail("incorrectly accepted 1.5g");
515 		} catch (IllegalArgumentException e) {
516 			assertEquals("Invalid integer value: s.a=1.5g", e.getMessage());
517 		}
518 	}
519 
520 	@Test
521 	public void testBooleanWithNoValue() throws ConfigInvalidException {
522 		Config c = parse("[my]\n\tempty\n");
523 		assertEquals("", c.getString("my", null, "empty"));
524 		assertEquals(1, c.getStringList("my", null, "empty").length);
525 		assertEquals("", c.getStringList("my", null, "empty")[0]);
526 		assertTrue(c.getBoolean("my", "empty", false));
527 		assertEquals("[my]\n\tempty\n", c.toText());
528 	}
529 
530 	@Test
531 	public void testUnsetBranchSection() throws ConfigInvalidException {
532 		Config c = parse("" //
533 				+ "[branch \"keep\"]\n"
534 				+ "  merge = master.branch.to.keep.in.the.file\n"
535 				+ "\n"
536 				+ "[branch \"remove\"]\n"
537 				+ "  merge = this.will.get.deleted\n"
538 				+ "  remote = origin-for-some-long-gone-place\n"
539 				+ "\n"
540 				+ "[core-section-not-to-remove-in-test]\n"
541 				+ "  packedGitLimit = 14\n");
542 		c.unsetSection("branch", "does.not.exist");
543 		c.unsetSection("branch", "remove");
544 		assertEquals("" //
545 				+ "[branch \"keep\"]\n"
546 				+ "  merge = master.branch.to.keep.in.the.file\n"
547 				+ "\n"
548 				+ "[core-section-not-to-remove-in-test]\n"
549 				+ "  packedGitLimit = 14\n", c.toText());
550 	}
551 
552 	@Test
553 	public void testUnsetSingleSection() throws ConfigInvalidException {
554 		Config c = parse("" //
555 				+ "[branch \"keep\"]\n"
556 				+ "  merge = master.branch.to.keep.in.the.file\n"
557 				+ "\n"
558 				+ "[single]\n"
559 				+ "  merge = this.will.get.deleted\n"
560 				+ "  remote = origin-for-some-long-gone-place\n"
561 				+ "\n"
562 				+ "[core-section-not-to-remove-in-test]\n"
563 				+ "  packedGitLimit = 14\n");
564 		c.unsetSection("single", null);
565 		assertEquals("" //
566 				+ "[branch \"keep\"]\n"
567 				+ "  merge = master.branch.to.keep.in.the.file\n"
568 				+ "\n"
569 				+ "[core-section-not-to-remove-in-test]\n"
570 				+ "  packedGitLimit = 14\n", c.toText());
571 	}
572 
573 	@Test
574 	public void test008_readSectionNames() throws ConfigInvalidException {
575 		final Config c = parse("[a]\n [B]\n");
576 		Set<String> sections = c.getSections();
577 		assertTrue("Sections should contain \"a\"", sections.contains("a"));
578 		assertTrue("Sections should contain \"b\"", sections.contains("b"));
579 	}
580 
581 	@Test
582 	public void test009_readNamesInSection() throws ConfigInvalidException {
583 		String configString = "[core]\n" + "repositoryFormatVersion = 0\n"
584 				+ "filemode = false\n" + "logAllRefUpdates = true\n";
585 		final Config c = parse(configString);
586 		Set<String> names = c.getNames("core");
587 		assertEquals("Core section size", 3, names.size());
588 		assertTrue("Core section should contain \"filemode\"", names
589 				.contains("filemode"));
590 
591 		assertTrue("Core section should contain \"repositoryFormatVersion\"",
592 				names.contains("repositoryFormatVersion"));
593 
594 		assertTrue("Core section should contain \"repositoryformatversion\"",
595 				names.contains("repositoryformatversion"));
596 
597 		Iterator<String> itr = names.iterator();
598 		assertEquals("filemode", itr.next());
599 		assertEquals("logAllRefUpdates", itr.next());
600 		assertEquals("repositoryFormatVersion", itr.next());
601 		assertFalse(itr.hasNext());
602 	}
603 
604 	@Test
605 	public void test_ReadNamesInSectionRecursive()
606 			throws ConfigInvalidException {
607 		String baseConfigString = "[core]\n" + "logAllRefUpdates = true\n";
608 		String configString = "[core]\n" + "repositoryFormatVersion = 0\n"
609 				+ "filemode = false\n";
610 		final Config c = parse(configString, parse(baseConfigString));
611 		Set<String> names = c.getNames("core", true);
612 		assertEquals("Core section size", 3, names.size());
613 		assertTrue("Core section should contain \"filemode\"",
614 				names.contains("filemode"));
615 		assertTrue("Core section should contain \"repositoryFormatVersion\"",
616 				names.contains("repositoryFormatVersion"));
617 		assertTrue("Core section should contain \"logAllRefUpdates\"",
618 				names.contains("logAllRefUpdates"));
619 		assertTrue("Core section should contain \"logallrefupdates\"",
620 				names.contains("logallrefupdates"));
621 
622 		Iterator<String> itr = names.iterator();
623 		assertEquals("filemode", itr.next());
624 		assertEquals("repositoryFormatVersion", itr.next());
625 		assertEquals("logAllRefUpdates", itr.next());
626 		assertFalse(itr.hasNext());
627 	}
628 
629 	@Test
630 	public void test010_readNamesInSubSection() throws ConfigInvalidException {
631 		String configString = "[a \"sub1\"]\n"//
632 				+ "x = 0\n" //
633 				+ "y = false\n"//
634 				+ "z = true\n"//
635 				+ "[a \"sub2\"]\n"//
636 				+ "a=0\n"//
637 				+ "b=1\n";
638 		final Config c = parse(configString);
639 		Set<String> names = c.getNames("a", "sub1");
640 		assertEquals("Subsection size", 3, names.size());
641 		assertTrue("Subsection should contain \"x\"", names.contains("x"));
642 		assertTrue("Subsection should contain \"y\"", names.contains("y"));
643 		assertTrue("Subsection should contain \"z\"", names.contains("z"));
644 		names = c.getNames("a", "sub2");
645 		assertEquals("Subsection size", 2, names.size());
646 		assertTrue("Subsection should contain \"a\"", names.contains("a"));
647 		assertTrue("Subsection should contain \"b\"", names.contains("b"));
648 	}
649 
650 	@Test
651 	public void readNamesInSubSectionRecursive() throws ConfigInvalidException {
652 		String baseConfigString = "[a \"sub1\"]\n"//
653 				+ "x = 0\n" //
654 				+ "y = false\n"//
655 				+ "[a \"sub2\"]\n"//
656 				+ "A=0\n";//
657 		String configString = "[a \"sub1\"]\n"//
658 				+ "z = true\n"//
659 				+ "[a \"sub2\"]\n"//
660 				+ "B=1\n";
661 		final Config c = parse(configString, parse(baseConfigString));
662 		Set<String> names = c.getNames("a", "sub1", true);
663 		assertEquals("Subsection size", 3, names.size());
664 		assertTrue("Subsection should contain \"x\"", names.contains("x"));
665 		assertTrue("Subsection should contain \"y\"", names.contains("y"));
666 		assertTrue("Subsection should contain \"z\"", names.contains("z"));
667 		names = c.getNames("a", "sub2", true);
668 		assertEquals("Subsection size", 2, names.size());
669 		assertTrue("Subsection should contain \"A\"", names.contains("A"));
670 		assertTrue("Subsection should contain \"a\"", names.contains("a"));
671 		assertTrue("Subsection should contain \"B\"", names.contains("B"));
672 	}
673 
674 
675 	@Test
676 	public void testNoFinalNewline() throws ConfigInvalidException {
677 		Config c = parse("[a]\n"
678 				+ "x = 0\n"
679 				+ "y = 1");
680 		assertEquals("0", c.getString("a", null, "x"));
681 		assertEquals("1", c.getString("a", null, "y"));
682 	}
683 
684 	@Test
685 	public void testExplicitlySetEmptyString() throws Exception {
686 		Config c = new Config();
687 		c.setString("a", null, "x", "0");
688 		c.setString("a", null, "y", "");
689 
690 		assertEquals("0", c.getString("a", null, "x"));
691 		assertEquals(0, c.getInt("a", null, "x", 1));
692 
693 		assertEquals("", c.getString("a", null, "y"));
694 		assertArrayEquals(new String[]{""}, c.getStringList("a", null, "y"));
695 		try {
696 			c.getInt("a", null, "y", 1);
697 		} catch (IllegalArgumentException e) {
698 			assertEquals("Invalid integer value: a.y=", e.getMessage());
699 		}
700 
701 		assertNull(c.getString("a", null, "z"));
702 		assertArrayEquals(new String[]{}, c.getStringList("a", null, "z"));
703 	}
704 
705 	@Test
706 	public void testParsedEmptyString() throws Exception {
707 		Config c = parse("[a]\n"
708 				+ "x = 0\n"
709 				+ "y =\n");
710 
711 		assertEquals("0", c.getString("a", null, "x"));
712 		assertEquals(0, c.getInt("a", null, "x", 1));
713 
714 		assertNull(c.getString("a", null, "y"));
715 		assertArrayEquals(new String[]{null}, c.getStringList("a", null, "y"));
716 		try {
717 			c.getInt("a", null, "y", 1);
718 		} catch (IllegalArgumentException e) {
719 			assertEquals("Invalid integer value: a.y=", e.getMessage());
720 		}
721 
722 		assertNull(c.getString("a", null, "z"));
723 		assertArrayEquals(new String[]{}, c.getStringList("a", null, "z"));
724 	}
725 
726 	@Test
727 	public void testSetStringListWithEmptyValue() throws Exception {
728 		Config c = new Config();
729 		c.setStringList("a", null, "x", Arrays.asList(""));
730 		assertArrayEquals(new String[]{""}, c.getStringList("a", null, "x"));
731 	}
732 
733 	@Test
734 	public void testEmptyValueAtEof() throws Exception {
735 		String text = "[a]\nx =";
736 		Config c = parse(text);
737 		assertNull(c.getString("a", null, "x"));
738 		assertArrayEquals(new String[]{null},
739 				c.getStringList("a", null, "x"));
740 		c = parse(text + "\n");
741 		assertNull(c.getString("a", null, "x"));
742 		assertArrayEquals(new String[]{null},
743 				c.getStringList("a", null, "x"));
744 	}
745 
746 	@Test
747 	public void testReadMultipleValuesForName() throws ConfigInvalidException {
748 		Config c = parse("[foo]\nbar=false\nbar=true\n");
749 		assertTrue(c.getBoolean("foo", "bar", false));
750 	}
751 
752 	@Test
753 	public void testIncludeInvalidName() throws ConfigInvalidException {
754 		expectedEx.expect(ConfigInvalidException.class);
755 		expectedEx.expectMessage(JGitText.get().invalidLineInConfigFile);
756 		parse("[include]\nbar\n");
757 	}
758 
759 	@Test
760 	public void testIncludeNoValue() throws ConfigInvalidException {
761 		expectedEx.expect(ConfigInvalidException.class);
762 		expectedEx.expectMessage(JGitText.get().invalidLineInConfigFile);
763 		parse("[include]\npath\n");
764 	}
765 
766 	@Test
767 	public void testIncludeEmptyValue() throws ConfigInvalidException {
768 		expectedEx.expect(ConfigInvalidException.class);
769 		expectedEx.expectMessage(JGitText.get().invalidLineInConfigFile);
770 		parse("[include]\npath=\n");
771 	}
772 
773 	@Test
774 	public void testIncludeValuePathNotFound() throws ConfigInvalidException {
775 		// we do not expect an exception, included path not found are ignored
776 		String notFound = "/not/found";
777 		Config parsed = parse("[include]\npath=" + notFound + "\n");
778 		assertEquals(1, parsed.getSections().size());
779 		assertEquals(notFound, parsed.getString("include", null, "path"));
780 	}
781 
782 	@Test
783 	public void testIncludeValuePathWithTilde() throws ConfigInvalidException {
784 		// we do not expect an exception, included path not supported are
785 		// ignored
786 		String notSupported = "~/someFile";
787 		Config parsed = parse("[include]\npath=" + notSupported + "\n");
788 		assertEquals(1, parsed.getSections().size());
789 		assertEquals(notSupported, parsed.getString("include", null, "path"));
790 	}
791 
792 	@Test
793 	public void testIncludeValuePathRelative() throws ConfigInvalidException {
794 		// we do not expect an exception, included path not supported are
795 		// ignored
796 		String notSupported = "someRelativeFile";
797 		Config parsed = parse("[include]\npath=" + notSupported + "\n");
798 		assertEquals(1, parsed.getSections().size());
799 		assertEquals(notSupported, parsed.getString("include", null, "path"));
800 	}
801 
802 	@Test
803 	public void testIncludeTooManyRecursions() throws IOException {
804 		File config = tmp.newFile("config");
805 		String include = "[include]\npath=" + pathToString(config) + "\n";
806 		Files.write(config.toPath(), include.getBytes());
807 		FileBasedConfig fbConfig = new FileBasedConfig(null, config,
808 				FS.DETECTED);
809 		try {
810 			fbConfig.load();
811 			fail();
812 		} catch (ConfigInvalidException cie) {
813 			for (Throwable t = cie; t != null; t = t.getCause()) {
814 				if (t.getMessage()
815 						.equals(JGitText.get().tooManyIncludeRecursions)) {
816 					return;
817 				}
818 			}
819 			fail("Expected to find expected exception message: "
820 					+ JGitText.get().tooManyIncludeRecursions);
821 		}
822 	}
823 
824 	@Test
825 	public void testIncludeIsNoop() throws IOException, ConfigInvalidException {
826 		File config = tmp.newFile("config");
827 
828 		String fooBar = "[foo]\nbar=true\n";
829 		Files.write(config.toPath(), fooBar.getBytes());
830 
831 		Config parsed = parse("[include]\npath=" + pathToString(config) + "\n");
832 		assertFalse(parsed.getBoolean("foo", "bar", false));
833 	}
834 
835 	@Test
836 	public void testIncludeCaseInsensitiveSection()
837 			throws IOException, ConfigInvalidException {
838 		File included = tmp.newFile("included");
839 		String content = "[foo]\nbar=true\n";
840 		Files.write(included.toPath(), content.getBytes());
841 
842 		File config = tmp.newFile("config");
843 		content = "[Include]\npath=" + pathToString(included) + "\n";
844 		Files.write(config.toPath(), content.getBytes());
845 
846 		FileBasedConfig fbConfig = new FileBasedConfig(null, config,
847 				FS.DETECTED);
848 		fbConfig.load();
849 		assertTrue(fbConfig.getBoolean("foo", "bar", false));
850 	}
851 
852 	@Test
853 	public void testIncludeCaseInsensitiveKey()
854 			throws IOException, ConfigInvalidException {
855 		File included = tmp.newFile("included");
856 		String content = "[foo]\nbar=true\n";
857 		Files.write(included.toPath(), content.getBytes());
858 
859 		File config = tmp.newFile("config");
860 		content = "[include]\nPath=" + pathToString(included) + "\n";
861 		Files.write(config.toPath(), content.getBytes());
862 
863 		FileBasedConfig fbConfig = new FileBasedConfig(null, config,
864 				FS.DETECTED);
865 		fbConfig.load();
866 		assertTrue(fbConfig.getBoolean("foo", "bar", false));
867 	}
868 
869 	@Test
870 	public void testIncludeExceptionContainsLine() {
871 		try {
872 			parse("[include]\npath=\n");
873 			fail("Expected ConfigInvalidException");
874 		} catch (ConfigInvalidException e) {
875 			assertTrue(
876 					"Expected to find the problem line in the exception message",
877 					e.getMessage().contains("include.path"));
878 		}
879 	}
880 
881 	@Test
882 	public void testIncludeExceptionContainsFile() throws IOException {
883 		File included = tmp.newFile("included");
884 		String includedPath = pathToString(included);
885 		String content = "[include]\npath=\n";
886 		Files.write(included.toPath(), content.getBytes());
887 
888 		File config = tmp.newFile("config");
889 		String include = "[include]\npath=" + includedPath + "\n";
890 		Files.write(config.toPath(), include.getBytes());
891 		FileBasedConfig fbConfig = new FileBasedConfig(null, config,
892 				FS.DETECTED);
893 		try {
894 			fbConfig.load();
895 			fail("Expected ConfigInvalidException");
896 		} catch (ConfigInvalidException e) {
897 			// Check that there is some exception in the chain that contains
898 			// includedPath
899 			for (Throwable t = e; t != null; t = t.getCause()) {
900 				if (t.getMessage().contains(includedPath)) {
901 					return;
902 				}
903 			}
904 			fail("Expected to find the path in the exception message: "
905 					+ includedPath);
906 		}
907 	}
908 
909 	private static void assertReadLong(long exp) throws ConfigInvalidException {
910 		assertReadLong(exp, String.valueOf(exp));
911 	}
912 
913 	private static void assertReadLong(long exp, String act)
914 			throws ConfigInvalidException {
915 		final Config c = parse("[s]\na = " + act + "\n");
916 		assertEquals(exp, c.getLong("s", null, "a", 0L));
917 	}
918 
919 	private static Config parse(String content)
920 			throws ConfigInvalidException {
921 		return parse(content, null);
922 	}
923 
924 	private static Config parse(String content, Config baseConfig)
925 			throws ConfigInvalidException {
926 		final Config c = new Config(baseConfig);
927 		c.fromText(content);
928 		return c;
929 	}
930 
931 	@Test
932 	public void testTimeUnit() throws ConfigInvalidException {
933 		assertEquals(0, parseTime("0", NANOSECONDS));
934 		assertEquals(2, parseTime("2ns", NANOSECONDS));
935 		assertEquals(200, parseTime("200 nanoseconds", NANOSECONDS));
936 
937 		assertEquals(0, parseTime("0", MICROSECONDS));
938 		assertEquals(2, parseTime("2us", MICROSECONDS));
939 		assertEquals(2, parseTime("2000 nanoseconds", MICROSECONDS));
940 		assertEquals(200, parseTime("200 microseconds", MICROSECONDS));
941 
942 		assertEquals(0, parseTime("0", MILLISECONDS));
943 		assertEquals(2, parseTime("2ms", MILLISECONDS));
944 		assertEquals(2, parseTime("2000microseconds", MILLISECONDS));
945 		assertEquals(200, parseTime("200 milliseconds", MILLISECONDS));
946 
947 		assertEquals(0, parseTime("0s", SECONDS));
948 		assertEquals(2, parseTime("2s", SECONDS));
949 		assertEquals(231, parseTime("231sec", SECONDS));
950 		assertEquals(1, parseTime("1second", SECONDS));
951 		assertEquals(300, parseTime("300 seconds", SECONDS));
952 
953 		assertEquals(2, parseTime("2m", MINUTES));
954 		assertEquals(2, parseTime("2min", MINUTES));
955 		assertEquals(1, parseTime("1 minute", MINUTES));
956 		assertEquals(10, parseTime("10 minutes", MINUTES));
957 
958 		assertEquals(5, parseTime("5h", HOURS));
959 		assertEquals(5, parseTime("5hr", HOURS));
960 		assertEquals(1, parseTime("1hour", HOURS));
961 		assertEquals(48, parseTime("48hours", HOURS));
962 
963 		assertEquals(5, parseTime("5 h", HOURS));
964 		assertEquals(5, parseTime("5 hr", HOURS));
965 		assertEquals(1, parseTime("1 hour", HOURS));
966 		assertEquals(48, parseTime("48 hours", HOURS));
967 		assertEquals(48, parseTime("48 \t \r hours", HOURS));
968 
969 		assertEquals(4, parseTime("4d", DAYS));
970 		assertEquals(1, parseTime("1day", DAYS));
971 		assertEquals(14, parseTime("14days", DAYS));
972 
973 		assertEquals(7, parseTime("1w", DAYS));
974 		assertEquals(7, parseTime("1week", DAYS));
975 		assertEquals(14, parseTime("2w", DAYS));
976 		assertEquals(14, parseTime("2weeks", DAYS));
977 
978 		assertEquals(30, parseTime("1mon", DAYS));
979 		assertEquals(30, parseTime("1month", DAYS));
980 		assertEquals(60, parseTime("2mon", DAYS));
981 		assertEquals(60, parseTime("2months", DAYS));
982 
983 		assertEquals(365, parseTime("1y", DAYS));
984 		assertEquals(365, parseTime("1year", DAYS));
985 		assertEquals(365 * 2, parseTime("2years", DAYS));
986 	}
987 
988 	private long parseTime(String value, TimeUnit unit)
989 			throws ConfigInvalidException {
990 		Config c = parse("[a]\na=" + value + "\n");
991 		return c.getTimeUnit("a", null, "a", 0, unit);
992 	}
993 
994 	@Test
995 	public void testTimeUnitDefaultValue() throws ConfigInvalidException {
996 		// value not present
997 		assertEquals(20, parse("[a]\na=0\n").getTimeUnit("a", null, "b", 20,
998 				MILLISECONDS));
999 		// value is empty
1000 		assertEquals(20, parse("[a]\na=\" \"\n").getTimeUnit("a", null, "a", 20,
1001 				MILLISECONDS));
1002 
1003 		// value is not numeric
1004 		assertEquals(20, parse("[a]\na=test\n").getTimeUnit("a", null, "a", 20,
1005 				MILLISECONDS));
1006 	}
1007 
1008 	@Test
1009 	public void testTimeUnitInvalid() throws ConfigInvalidException {
1010 		expectedEx.expect(IllegalArgumentException.class);
1011 		expectedEx
1012 				.expectMessage("Invalid time unit value: a.a=1 monttthhh");
1013 		parseTime("1 monttthhh", DAYS);
1014 	}
1015 
1016 	@Test
1017 	public void testTimeUnitInvalidWithSection() throws ConfigInvalidException {
1018 		Config c = parse("[a \"b\"]\na=1 monttthhh\n");
1019 		expectedEx.expect(IllegalArgumentException.class);
1020 		expectedEx.expectMessage("Invalid time unit value: a.b.a=1 monttthhh");
1021 		c.getTimeUnit("a", "b", "a", 0, DAYS);
1022 	}
1023 
1024 	@Test
1025 	public void testTimeUnitNegative() throws ConfigInvalidException {
1026 		expectedEx.expect(IllegalArgumentException.class);
1027 		parseTime("-1", MILLISECONDS);
1028 	}
1029 
1030 	@Test
1031 	public void testEscapeSpacesOnly() throws ConfigInvalidException {
1032 		// Empty string is read back as null, so this doesn't round-trip.
1033 		assertEquals("", Config.escapeValue(""));
1034 
1035 		assertValueRoundTrip(" ", "\" \"");
1036 		assertValueRoundTrip("  ", "\"  \"");
1037 	}
1038 
1039 	@Test
1040 	public void testEscapeLeadingSpace() throws ConfigInvalidException {
1041 		assertValueRoundTrip("x", "x");
1042 		assertValueRoundTrip(" x", "\" x\"");
1043 		assertValueRoundTrip("  x", "\"  x\"");
1044 	}
1045 
1046 	@Test
1047 	public void testEscapeTrailingSpace() throws ConfigInvalidException {
1048 		assertValueRoundTrip("x", "x");
1049 		assertValueRoundTrip("x  ","\"x  \"");
1050 		assertValueRoundTrip("x ","\"x \"");
1051 	}
1052 
1053 	@Test
1054 	public void testEscapeLeadingAndTrailingSpace()
1055 			throws ConfigInvalidException {
1056 		assertValueRoundTrip(" x ", "\" x \"");
1057 		assertValueRoundTrip("  x ", "\"  x \"");
1058 		assertValueRoundTrip(" x  ", "\" x  \"");
1059 		assertValueRoundTrip("  x  ", "\"  x  \"");
1060 	}
1061 
1062 	@Test
1063 	public void testNoEscapeInternalSpaces() throws ConfigInvalidException {
1064 		assertValueRoundTrip("x y");
1065 		assertValueRoundTrip("x  y");
1066 		assertValueRoundTrip("x  y");
1067 		assertValueRoundTrip("x  y   z");
1068 		assertValueRoundTrip("x " + WS + " y");
1069 	}
1070 
1071 	@Test
1072 	public void testNoEscapeSpecialCharacters() throws ConfigInvalidException {
1073 		assertValueRoundTrip("x\\y", "x\\\\y");
1074 		assertValueRoundTrip("x\"y", "x\\\"y");
1075 		assertValueRoundTrip("x\ny", "x\\ny");
1076 		assertValueRoundTrip("x\ty", "x\\ty");
1077 		assertValueRoundTrip("x\by", "x\\by");
1078 	}
1079 
1080 	@Test
1081 	public void testParseLiteralBackspace() throws ConfigInvalidException {
1082 		// This is round-tripped with an escape sequence by JGit, but C git writes
1083 		// it out as a literal backslash.
1084 		assertEquals("x\by", parseEscapedValue("x\by"));
1085 	}
1086 
1087 	@Test
1088 	public void testEscapeCommentCharacters() throws ConfigInvalidException {
1089 		assertValueRoundTrip("x#y", "\"x#y\"");
1090 		assertValueRoundTrip("x;y", "\"x;y\"");
1091 	}
1092 
1093 	@Test
1094 	public void testEscapeValueInvalidCharacters() {
1095 		assertIllegalArgumentException(() -> Config.escapeSubsection("x\0y"));
1096 	}
1097 
1098 	@Test
1099 	public void testEscapeSubsectionInvalidCharacters() {
1100 		assertIllegalArgumentException(() -> Config.escapeSubsection("x\ny"));
1101 		assertIllegalArgumentException(() -> Config.escapeSubsection("x\0y"));
1102 	}
1103 
1104 	@Test
1105 	public void testParseMultipleQuotedRegions() throws ConfigInvalidException {
1106 		assertEquals("b a z; \n", parseEscapedValue("b\" a\"\" z; \\n\""));
1107 	}
1108 
1109 	@Test
1110 	public void testParseComments() throws ConfigInvalidException {
1111 		assertEquals("baz", parseEscapedValue("baz; comment"));
1112 		assertEquals("baz", parseEscapedValue("baz# comment"));
1113 		assertEquals("baz", parseEscapedValue("baz ; comment"));
1114 		assertEquals("baz", parseEscapedValue("baz # comment"));
1115 
1116 		assertEquals("baz", parseEscapedValue("baz ; comment"));
1117 		assertEquals("baz", parseEscapedValue("baz # comment"));
1118 		assertEquals("baz", parseEscapedValue("baz " + WS + " ; comment"));
1119 		assertEquals("baz", parseEscapedValue("baz " + WS + " # comment"));
1120 
1121 		assertEquals("baz ", parseEscapedValue("\"baz \"; comment"));
1122 		assertEquals("baz ", parseEscapedValue("\"baz \"# comment"));
1123 		assertEquals("baz ", parseEscapedValue("\"baz \" ; comment"));
1124 		assertEquals("baz ", parseEscapedValue("\"baz \" # comment"));
1125 	}
1126 
1127 	@Test
1128 	public void testEscapeSubsection() throws ConfigInvalidException {
1129 		assertSubsectionRoundTrip("", "\"\"");
1130 		assertSubsectionRoundTrip("x", "\"x\"");
1131 		assertSubsectionRoundTrip(" x", "\" x\"");
1132 		assertSubsectionRoundTrip("x ", "\"x \"");
1133 		assertSubsectionRoundTrip(" x ", "\" x \"");
1134 		assertSubsectionRoundTrip("x y", "\"x y\"");
1135 		assertSubsectionRoundTrip("x  y", "\"x  y\"");
1136 		assertSubsectionRoundTrip("x\\y", "\"x\\\\y\"");
1137 		assertSubsectionRoundTrip("x\"y", "\"x\\\"y\"");
1138 
1139 		// Unlike for values, \b and \t are not escaped.
1140 		assertSubsectionRoundTrip("x\by", "\"x\by\"");
1141 		assertSubsectionRoundTrip("x\ty", "\"x\ty\"");
1142 	}
1143 
1144 	@Test
1145 	public void testParseInvalidValues() {
1146 		assertInvalidValue(JGitText.get().newlineInQuotesNotAllowed, "x\"\n\"y");
1147 		assertInvalidValue(JGitText.get().endOfFileInEscape, "x\\");
1148 		assertInvalidValue(
1149 				MessageFormat.format(JGitText.get().badEscape, 'q'), "x\\q");
1150 	}
1151 
1152 	@Test
1153 	public void testParseInvalidSubsections() {
1154 		assertInvalidSubsection(
1155 				JGitText.get().newlineInQuotesNotAllowed, "\"x\ny\"");
1156 	}
1157 
1158 	@Test
1159 	public void testDropBackslashFromInvalidEscapeSequenceInSubsectionName()
1160 			throws ConfigInvalidException {
1161 		assertEquals("x0", parseEscapedSubsection("\"x\\0\""));
1162 		assertEquals("xq", parseEscapedSubsection("\"x\\q\""));
1163 		// Unlike for values, \b, \n, and \t are not valid escape sequences.
1164 		assertEquals("xb", parseEscapedSubsection("\"x\\b\""));
1165 		assertEquals("xn", parseEscapedSubsection("\"x\\n\""));
1166 		assertEquals("xt", parseEscapedSubsection("\"x\\t\""));
1167 	}
1168 
1169 	private static void assertValueRoundTrip(String value)
1170 			throws ConfigInvalidException {
1171 		assertValueRoundTrip(value, value);
1172 	}
1173 
1174 	private static void assertValueRoundTrip(String value, String expectedEscaped)
1175 			throws ConfigInvalidException {
1176 		String escaped = Config.escapeValue(value);
1177 		assertEquals("escape failed;", expectedEscaped, escaped);
1178 		assertEquals("parse failed;", value, parseEscapedValue(escaped));
1179 	}
1180 
1181 	private static String parseEscapedValue(String escapedValue)
1182 			throws ConfigInvalidException {
1183 		String text = "[foo]\nbar=" + escapedValue;
1184 		Config c = parse(text);
1185 		return c.getString("foo", null, "bar");
1186 	}
1187 
1188 	private static void assertInvalidValue(String expectedMessage,
1189 			String escapedValue) {
1190 		try {
1191 			parseEscapedValue(escapedValue);
1192 			fail("expected ConfigInvalidException");
1193 		} catch (ConfigInvalidException e) {
1194 			assertEquals(expectedMessage, e.getMessage());
1195 		}
1196 	}
1197 
1198 	private static void assertSubsectionRoundTrip(String subsection,
1199 			String expectedEscaped) throws ConfigInvalidException {
1200 		String escaped = Config.escapeSubsection(subsection);
1201 		assertEquals("escape failed;", expectedEscaped, escaped);
1202 		assertEquals("parse failed;", subsection, parseEscapedSubsection(escaped));
1203 	}
1204 
1205 	private static String parseEscapedSubsection(String escapedSubsection)
1206 			throws ConfigInvalidException {
1207 		String text = "[foo " + escapedSubsection + "]\nbar = value";
1208 		Config c = parse(text);
1209 		Set<String> subsections = c.getSubsections("foo");
1210 		assertEquals("only one section", 1, subsections.size());
1211 		return subsections.iterator().next();
1212 	}
1213 
1214 	private static void assertIllegalArgumentException(Runnable r) {
1215 		try {
1216 			r.run();
1217 			fail("expected IllegalArgumentException");
1218 		} catch (IllegalArgumentException e) {
1219 			// Expected.
1220 		}
1221 	}
1222 
1223 	private static void assertInvalidSubsection(String expectedMessage,
1224 			String escapedSubsection) {
1225 		try {
1226 			parseEscapedSubsection(escapedSubsection);
1227 			fail("expected ConfigInvalidException");
1228 		} catch (ConfigInvalidException e) {
1229 			assertEquals(expectedMessage, e.getMessage());
1230 		}
1231 	}
1232 }