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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.nio.charset.StandardCharsets.UTF_8;
52  import static java.util.concurrent.TimeUnit.DAYS;
53  import static java.util.concurrent.TimeUnit.HOURS;
54  import static java.util.concurrent.TimeUnit.MILLISECONDS;
55  import static java.util.concurrent.TimeUnit.MINUTES;
56  import static java.util.concurrent.TimeUnit.SECONDS;
57  import static org.eclipse.jgit.util.FileUtils.pathToString;
58  import static org.junit.Assert.assertArrayEquals;
59  import static org.junit.Assert.assertEquals;
60  import static org.junit.Assert.assertFalse;
61  import static org.junit.Assert.assertNull;
62  import static org.junit.Assert.assertSame;
63  import static org.junit.Assert.assertTrue;
64  import static org.junit.Assert.fail;
65  
66  import java.io.File;
67  import java.io.IOException;
68  import java.nio.file.Files;
69  import java.text.MessageFormat;
70  import java.util.ArrayList;
71  import java.util.Arrays;
72  import java.util.Collections;
73  import java.util.Iterator;
74  import java.util.LinkedList;
75  import java.util.List;
76  import java.util.Set;
77  import java.util.concurrent.TimeUnit;
78  import java.util.function.Consumer;
79  
80  import org.eclipse.jgit.api.MergeCommand.FastForwardMode;
81  import org.eclipse.jgit.errors.ConfigInvalidException;
82  import org.eclipse.jgit.internal.JGitText;
83  import org.eclipse.jgit.junit.MockSystemReader;
84  import org.eclipse.jgit.merge.MergeConfig;
85  import org.eclipse.jgit.storage.file.FileBasedConfig;
86  import org.eclipse.jgit.transport.RefSpec;
87  import org.eclipse.jgit.util.FS;
88  import org.eclipse.jgit.util.SystemReader;
89  import org.junit.After;
90  import org.junit.Rule;
91  import org.junit.Test;
92  import org.junit.rules.ExpectedException;
93  import org.junit.rules.TemporaryFolder;
94  
95  /**
96   * Test reading of git config
97   */
98  @SuppressWarnings("boxing")
99  public class ConfigTest {
100 	// A non-ASCII whitespace character: U+2002 EN QUAD.
101 	private static final char WS = '\u2002';
102 
103 	private static final String REFS_ORIGIN = "+refs/heads/*:refs/remotes/origin/*";
104 
105 	private static final String REFS_UPSTREAM = "+refs/heads/*:refs/remotes/upstream/*";
106 
107 	private static final String REFS_BACKUP = "+refs/heads/*:refs/remotes/backup/*";
108 
109 	@Rule
110 	public ExpectedException expectedEx = ExpectedException.none();
111 
112 	@Rule
113 	public TemporaryFolder tmp = new TemporaryFolder();
114 
115 	@After
116 	public void tearDown() {
117 		SystemReader.setInstance(null);
118 	}
119 
120 	@Test
121 	public void test001_ReadBareKey() throws ConfigInvalidException {
122 		final Config c = parse("[foo]\nbar\n");
123 		assertTrue(c.getBoolean("foo", null, "bar", false));
124 		assertEquals("", c.getString("foo", null, "bar"));
125 	}
126 
127 	@Test
128 	public void test002_ReadWithSubsection() throws ConfigInvalidException {
129 		final Config c = parse("[foo \"zip\"]\nbar\n[foo \"zap\"]\nbar=false\nn=3\n");
130 		assertTrue(c.getBoolean("foo", "zip", "bar", false));
131 		assertEquals("", c.getString("foo","zip", "bar"));
132 		assertFalse(c.getBoolean("foo", "zap", "bar", true));
133 		assertEquals("false", c.getString("foo", "zap", "bar"));
134 		assertEquals(3, c.getInt("foo", "zap", "n", 4));
135 		assertEquals(4, c.getInt("foo", "zap","m", 4));
136 	}
137 
138 	@Test
139 	public void test003_PutRemote() {
140 		final Config c = new Config();
141 		c.setString("sec", "ext", "name", "value");
142 		c.setString("sec", "ext", "name2", "value2");
143 		final String expText = "[sec \"ext\"]\n\tname = value\n\tname2 = value2\n";
144 		assertEquals(expText, c.toText());
145 	}
146 
147 	@Test
148 	public void test004_PutGetSimple() {
149 		Config c = new Config();
150 		c.setString("my", null, "somename", "false");
151 		assertEquals("false", c.getString("my", null, "somename"));
152 		assertEquals("[my]\n\tsomename = false\n", c.toText());
153 	}
154 
155 	@Test
156 	public void test005_PutGetStringList() {
157 		Config c = new Config();
158 		final LinkedList<String> values = new LinkedList<>();
159 		values.add("value1");
160 		values.add("value2");
161 		c.setStringList("my", null, "somename", values);
162 
163 		final Object[] expArr = values.toArray();
164 		final String[] actArr = c.getStringList("my", null, "somename");
165 		assertArrayEquals(expArr, actArr);
166 
167 		final String expText = "[my]\n\tsomename = value1\n\tsomename = value2\n";
168 		assertEquals(expText, c.toText());
169 	}
170 
171 	@Test
172 	public void test006_readCaseInsensitive() throws ConfigInvalidException {
173 		final Config c = parse("[Foo]\nBar\n");
174 		assertTrue(c.getBoolean("foo", null, "bar", false));
175 		assertEquals("", c.getString("foo", null, "bar"));
176 	}
177 
178 	@Test
179 	public void test007_readUserConfig() {
180 		final MockSystemReader mockSystemReader = new MockSystemReader();
181 		SystemReader.setInstance(mockSystemReader);
182 		final String hostname = mockSystemReader.getHostname();
183 		final Config userGitConfig = mockSystemReader.openUserConfig(null,
184 				FS.DETECTED);
185 		final Config localConfig = new Config(userGitConfig);
186 		mockSystemReader.clearProperties();
187 
188 		String authorName;
189 		String authorEmail;
190 
191 		// no values defined nowhere
192 		authorName = localConfig.get(UserConfig.KEY).getAuthorName();
193 		authorEmail = localConfig.get(UserConfig.KEY).getAuthorEmail();
194 		assertEquals(Constants.UNKNOWN_USER_DEFAULT, authorName);
195 		assertEquals(Constants.UNKNOWN_USER_DEFAULT + "@" + hostname, authorEmail);
196 		assertTrue(localConfig.get(UserConfig.KEY).isAuthorNameImplicit());
197 		assertTrue(localConfig.get(UserConfig.KEY).isAuthorEmailImplicit());
198 
199 		// the system user name is defined
200 		mockSystemReader.setProperty(Constants.OS_USER_NAME_KEY, "os user name");
201 		localConfig.uncache(UserConfig.KEY);
202 		authorName = localConfig.get(UserConfig.KEY).getAuthorName();
203 		assertEquals("os user name", authorName);
204 		assertTrue(localConfig.get(UserConfig.KEY).isAuthorNameImplicit());
205 
206 		if (hostname != null && hostname.length() != 0) {
207 			authorEmail = localConfig.get(UserConfig.KEY).getAuthorEmail();
208 			assertEquals("os user name@" + hostname, authorEmail);
209 		}
210 		assertTrue(localConfig.get(UserConfig.KEY).isAuthorEmailImplicit());
211 
212 		// the git environment variables are defined
213 		mockSystemReader.setProperty(Constants.GIT_AUTHOR_NAME_KEY, "git author name");
214 		mockSystemReader.setProperty(Constants.GIT_AUTHOR_EMAIL_KEY, "author@email");
215 		localConfig.uncache(UserConfig.KEY);
216 		authorName = localConfig.get(UserConfig.KEY).getAuthorName();
217 		authorEmail = localConfig.get(UserConfig.KEY).getAuthorEmail();
218 		assertEquals("git author name", authorName);
219 		assertEquals("author@email", authorEmail);
220 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorNameImplicit());
221 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorEmailImplicit());
222 
223 		// the values are defined in the global configuration
224 		// first clear environment variables since they would override
225 		// configuration files
226 		mockSystemReader.clearProperties();
227 		userGitConfig.setString("user", null, "name", "global username");
228 		userGitConfig.setString("user", null, "email", "author@globalemail");
229 		authorName = localConfig.get(UserConfig.KEY).getAuthorName();
230 		authorEmail = localConfig.get(UserConfig.KEY).getAuthorEmail();
231 		assertEquals("global username", authorName);
232 		assertEquals("author@globalemail", authorEmail);
233 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorNameImplicit());
234 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorEmailImplicit());
235 
236 		// the values are defined in the local configuration
237 		localConfig.setString("user", null, "name", "local username");
238 		localConfig.setString("user", null, "email", "author@localemail");
239 		authorName = localConfig.get(UserConfig.KEY).getAuthorName();
240 		authorEmail = localConfig.get(UserConfig.KEY).getAuthorEmail();
241 		assertEquals("local username", authorName);
242 		assertEquals("author@localemail", authorEmail);
243 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorNameImplicit());
244 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorEmailImplicit());
245 
246 		authorName = localConfig.get(UserConfig.KEY).getCommitterName();
247 		authorEmail = localConfig.get(UserConfig.KEY).getCommitterEmail();
248 		assertEquals("local username", authorName);
249 		assertEquals("author@localemail", authorEmail);
250 		assertFalse(localConfig.get(UserConfig.KEY).isCommitterNameImplicit());
251 		assertFalse(localConfig.get(UserConfig.KEY).isCommitterEmailImplicit());
252 
253 		// also git environment variables are defined
254 		mockSystemReader.setProperty(Constants.GIT_AUTHOR_NAME_KEY,
255 				"git author name");
256 		mockSystemReader.setProperty(Constants.GIT_AUTHOR_EMAIL_KEY,
257 				"author@email");
258 		localConfig.setString("user", null, "name", "local username");
259 		localConfig.setString("user", null, "email", "author@localemail");
260 		authorName = localConfig.get(UserConfig.KEY).getAuthorName();
261 		authorEmail = localConfig.get(UserConfig.KEY).getAuthorEmail();
262 		assertEquals("git author name", authorName);
263 		assertEquals("author@email", authorEmail);
264 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorNameImplicit());
265 		assertFalse(localConfig.get(UserConfig.KEY).isAuthorEmailImplicit());
266 	}
267 
268 	@Test
269 	public void testReadUserConfigWithInvalidCharactersStripped() {
270 		final MockSystemReader mockSystemReader = new MockSystemReader();
271 		final Config localConfig = new Config(mockSystemReader.openUserConfig(
272 				null, FS.DETECTED));
273 
274 		localConfig.setString("user", null, "name", "foo<bar");
275 		localConfig.setString("user", null, "email", "baz>\nqux@example.com");
276 
277 		UserConfig userConfig = localConfig.get(UserConfig.KEY);
278 		assertEquals("foobar", userConfig.getAuthorName());
279 		assertEquals("bazqux@example.com", userConfig.getAuthorEmail());
280 	}
281 
282 	@Test
283 	public void testReadBoolean_TrueFalse1() 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_TrueFalse2() throws ConfigInvalidException {
294 		final Config c = parse("[s]\na = TrUe\nb = fAlSe\n");
295 		assertEquals("TrUe", c.getString("s", null, "a"));
296 		assertEquals("fAlSe", 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_YesNo1() 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_YesNo2() throws ConfigInvalidException {
314 		final Config c = parse("[s]\na = yEs\nb = NO\n");
315 		assertEquals("yEs", c.getString("s", null, "a"));
316 		assertEquals("NO", 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_OnOff1() 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 	@Test
333 	public void testReadBoolean_OnOff2() throws ConfigInvalidException {
334 		final Config c = parse("[s]\na = ON\nb = OFF\n");
335 		assertEquals("ON", c.getString("s", null, "a"));
336 		assertEquals("OFF", c.getString("s", null, "b"));
337 
338 		assertTrue(c.getBoolean("s", "a", false));
339 		assertFalse(c.getBoolean("s", "b", true));
340 	}
341 
342 	static enum TestEnum {
343 		ONE_TWO;
344 	}
345 
346 	@Test
347 	public void testGetEnum() throws ConfigInvalidException {
348 		Config c = parse("[s]\na = ON\nb = input\nc = true\nd = off\n");
349 		assertSame(CoreConfig.AutoCRLF.TRUE, c.getEnum("s", null, "a",
350 				CoreConfig.AutoCRLF.FALSE));
351 
352 		assertSame(CoreConfig.AutoCRLF.INPUT, c.getEnum("s", null, "b",
353 				CoreConfig.AutoCRLF.FALSE));
354 
355 		assertSame(CoreConfig.AutoCRLF.TRUE, c.getEnum("s", null, "c",
356 				CoreConfig.AutoCRLF.FALSE));
357 
358 		assertSame(CoreConfig.AutoCRLF.FALSE, c.getEnum("s", null, "d",
359 				CoreConfig.AutoCRLF.TRUE));
360 
361 		c = new Config();
362 		assertSame(CoreConfig.AutoCRLF.FALSE, c.getEnum("s", null, "d",
363 				CoreConfig.AutoCRLF.FALSE));
364 
365 		c = parse("[s \"b\"]\n\tc = one two\n");
366 		assertSame(TestEnum.ONE_TWO, c.getEnum("s", "b", "c", TestEnum.ONE_TWO));
367 
368 		c = parse("[s \"b\"]\n\tc = one-two\n");
369 		assertSame(TestEnum.ONE_TWO, c.getEnum("s", "b", "c", TestEnum.ONE_TWO));
370 	}
371 
372 	@Test
373 	public void testGetInvalidEnum() throws ConfigInvalidException {
374 		Config c = parse("[a]\n\tb = invalid\n");
375 		try {
376 			c.getEnum("a", null, "b", TestEnum.ONE_TWO);
377 			fail();
378 		} catch (IllegalArgumentException e) {
379 			assertEquals("Invalid value: a.b=invalid", e.getMessage());
380 		}
381 
382 		c = parse("[a \"b\"]\n\tc = invalid\n");
383 		try {
384 			c.getEnum("a", "b", "c", TestEnum.ONE_TWO);
385 			fail();
386 		} catch (IllegalArgumentException e) {
387 			assertEquals("Invalid value: a.b.c=invalid", e.getMessage());
388 		}
389 	}
390 
391 	@Test
392 	public void testSetEnum() {
393 		final Config c = new Config();
394 		c.setEnum("s", "b", "c", TestEnum.ONE_TWO);
395 		assertEquals("[s \"b\"]\n\tc = one two\n", c.toText());
396 	}
397 
398 	@Test
399 	public void testGetFastForwardMergeoptions() throws ConfigInvalidException {
400 		Config c = new Config(null); // not set
401 		assertSame(FastForwardMode.FF, c.getEnum(
402 				ConfigConstants.CONFIG_BRANCH_SECTION, "side",
403 				ConfigConstants.CONFIG_KEY_MERGEOPTIONS, FastForwardMode.FF));
404 		MergeConfig mergeConfig = c.get(MergeConfig.getParser("side"));
405 		assertSame(FastForwardMode.FF, mergeConfig.getFastForwardMode());
406 		c = parse("[branch \"side\"]\n\tmergeoptions = --ff-only\n");
407 		assertSame(FastForwardMode.FF_ONLY, c.getEnum(
408 				ConfigConstants.CONFIG_BRANCH_SECTION, "side",
409 				ConfigConstants.CONFIG_KEY_MERGEOPTIONS,
410 				FastForwardMode.FF_ONLY));
411 		mergeConfig = c.get(MergeConfig.getParser("side"));
412 		assertSame(FastForwardMode.FF_ONLY, mergeConfig.getFastForwardMode());
413 		c = parse("[branch \"side\"]\n\tmergeoptions = --ff\n");
414 		assertSame(FastForwardMode.FF, c.getEnum(
415 				ConfigConstants.CONFIG_BRANCH_SECTION, "side",
416 				ConfigConstants.CONFIG_KEY_MERGEOPTIONS, FastForwardMode.FF));
417 		mergeConfig = c.get(MergeConfig.getParser("side"));
418 		assertSame(FastForwardMode.FF, mergeConfig.getFastForwardMode());
419 		c = parse("[branch \"side\"]\n\tmergeoptions = --no-ff\n");
420 		assertSame(FastForwardMode.NO_FF, c.getEnum(
421 				ConfigConstants.CONFIG_BRANCH_SECTION, "side",
422 				ConfigConstants.CONFIG_KEY_MERGEOPTIONS, FastForwardMode.NO_FF));
423 		mergeConfig = c.get(MergeConfig.getParser("side"));
424 		assertSame(FastForwardMode.NO_FF, mergeConfig.getFastForwardMode());
425 	}
426 
427 	@Test
428 	public void testSetFastForwardMergeoptions() {
429 		final Config c = new Config();
430 		c.setEnum("branch", "side", "mergeoptions", FastForwardMode.FF);
431 		assertEquals("[branch \"side\"]\n\tmergeoptions = --ff\n", c.toText());
432 		c.setEnum("branch", "side", "mergeoptions", FastForwardMode.FF_ONLY);
433 		assertEquals("[branch \"side\"]\n\tmergeoptions = --ff-only\n",
434 				c.toText());
435 		c.setEnum("branch", "side", "mergeoptions", FastForwardMode.NO_FF);
436 		assertEquals("[branch \"side\"]\n\tmergeoptions = --no-ff\n",
437 				c.toText());
438 	}
439 
440 	@Test
441 	public void testGetFastForwardMerge() throws ConfigInvalidException {
442 		Config c = new Config(null); // not set
443 		assertSame(FastForwardMode.Merge.TRUE, c.getEnum(
444 				ConfigConstants.CONFIG_KEY_MERGE, null,
445 				ConfigConstants.CONFIG_KEY_FF, FastForwardMode.Merge.TRUE));
446 		MergeConfig mergeConfig = c.get(MergeConfig.getParser("side"));
447 		assertSame(FastForwardMode.FF, mergeConfig.getFastForwardMode());
448 		c = parse("[merge]\n\tff = only\n");
449 		assertSame(FastForwardMode.Merge.ONLY, c.getEnum(
450 				ConfigConstants.CONFIG_KEY_MERGE, null,
451 				ConfigConstants.CONFIG_KEY_FF, FastForwardMode.Merge.ONLY));
452 		mergeConfig = c.get(MergeConfig.getParser("side"));
453 		assertSame(FastForwardMode.FF_ONLY, mergeConfig.getFastForwardMode());
454 		c = parse("[merge]\n\tff = true\n");
455 		assertSame(FastForwardMode.Merge.TRUE, c.getEnum(
456 				ConfigConstants.CONFIG_KEY_MERGE, null,
457 				ConfigConstants.CONFIG_KEY_FF, FastForwardMode.Merge.TRUE));
458 		mergeConfig = c.get(MergeConfig.getParser("side"));
459 		assertSame(FastForwardMode.FF, mergeConfig.getFastForwardMode());
460 		c = parse("[merge]\n\tff = false\n");
461 		assertSame(FastForwardMode.Merge.FALSE, c.getEnum(
462 				ConfigConstants.CONFIG_KEY_MERGE, null,
463 				ConfigConstants.CONFIG_KEY_FF, FastForwardMode.Merge.FALSE));
464 		mergeConfig = c.get(MergeConfig.getParser("side"));
465 		assertSame(FastForwardMode.NO_FF, mergeConfig.getFastForwardMode());
466 	}
467 
468 	@Test
469 	public void testCombinedMergeOptions() throws ConfigInvalidException {
470 		Config c = new Config(null); // not set
471 		MergeConfig mergeConfig = c.get(MergeConfig.getParser("side"));
472 		assertSame(FastForwardMode.FF, mergeConfig.getFastForwardMode());
473 		assertTrue(mergeConfig.isCommit());
474 		assertFalse(mergeConfig.isSquash());
475 		// branch..mergeoptions should win over merge.ff
476 		c = parse("[merge]\n\tff = false\n"
477 				+ "[branch \"side\"]\n\tmergeoptions = --ff-only\n");
478 		mergeConfig = c.get(MergeConfig.getParser("side"));
479 		assertSame(FastForwardMode.FF_ONLY, mergeConfig.getFastForwardMode());
480 		assertTrue(mergeConfig.isCommit());
481 		assertFalse(mergeConfig.isSquash());
482 		// merge.ff used for ff setting if not set via mergeoptions
483 		c = parse("[merge]\n\tff = only\n"
484 				+ "[branch \"side\"]\n\tmergeoptions = --squash\n");
485 		mergeConfig = c.get(MergeConfig.getParser("side"));
486 		assertSame(FastForwardMode.FF_ONLY, mergeConfig.getFastForwardMode());
487 		assertTrue(mergeConfig.isCommit());
488 		assertTrue(mergeConfig.isSquash());
489 		// mergeoptions wins if it has ff options amongst other options
490 		c = parse("[merge]\n\tff = false\n"
491 				+ "[branch \"side\"]\n\tmergeoptions = --ff-only --no-commit\n");
492 		mergeConfig = c.get(MergeConfig.getParser("side"));
493 		assertSame(FastForwardMode.FF_ONLY, mergeConfig.getFastForwardMode());
494 		assertFalse(mergeConfig.isCommit());
495 		assertFalse(mergeConfig.isSquash());
496 	}
497 
498 	@Test
499 	public void testSetFastForwardMerge() {
500 		final Config c = new Config();
501 		c.setEnum("merge", null, "ff",
502 				FastForwardMode.Merge.valueOf(FastForwardMode.FF));
503 		assertEquals("[merge]\n\tff = true\n", c.toText());
504 		c.setEnum("merge", null, "ff",
505 				FastForwardMode.Merge.valueOf(FastForwardMode.FF_ONLY));
506 		assertEquals("[merge]\n\tff = only\n", c.toText());
507 		c.setEnum("merge", null, "ff",
508 				FastForwardMode.Merge.valueOf(FastForwardMode.NO_FF));
509 		assertEquals("[merge]\n\tff = false\n", c.toText());
510 	}
511 
512 	@Test
513 	public void testReadLong() throws ConfigInvalidException {
514 		assertReadLong(1L);
515 		assertReadLong(-1L);
516 		assertReadLong(Long.MIN_VALUE);
517 		assertReadLong(Long.MAX_VALUE);
518 		assertReadLong(4L * 1024 * 1024 * 1024, "4g");
519 		assertReadLong(3L * 1024 * 1024, "3 m");
520 		assertReadLong(8L * 1024, "8 k");
521 
522 		try {
523 			assertReadLong(-1, "1.5g");
524 			fail("incorrectly accepted 1.5g");
525 		} catch (IllegalArgumentException e) {
526 			assertEquals("Invalid integer value: s.a=1.5g", e.getMessage());
527 		}
528 	}
529 
530 	@Test
531 	public void testBooleanWithNoValue() throws ConfigInvalidException {
532 		Config c = parse("[my]\n\tempty\n");
533 		assertEquals("", c.getString("my", null, "empty"));
534 		assertEquals(1, c.getStringList("my", null, "empty").length);
535 		assertEquals("", c.getStringList("my", null, "empty")[0]);
536 		assertTrue(c.getBoolean("my", "empty", false));
537 		assertEquals("[my]\n\tempty\n", c.toText());
538 	}
539 
540 	@Test
541 	public void testUnsetBranchSection() throws ConfigInvalidException {
542 		Config c = parse("" //
543 				+ "[branch \"keep\"]\n"
544 				+ "  merge = master.branch.to.keep.in.the.file\n"
545 				+ "\n"
546 				+ "[branch \"remove\"]\n"
547 				+ "  merge = this.will.get.deleted\n"
548 				+ "  remote = origin-for-some-long-gone-place\n"
549 				+ "\n"
550 				+ "[core-section-not-to-remove-in-test]\n"
551 				+ "  packedGitLimit = 14\n");
552 		c.unsetSection("branch", "does.not.exist");
553 		c.unsetSection("branch", "remove");
554 		assertEquals("" //
555 				+ "[branch \"keep\"]\n"
556 				+ "  merge = master.branch.to.keep.in.the.file\n"
557 				+ "\n"
558 				+ "[core-section-not-to-remove-in-test]\n"
559 				+ "  packedGitLimit = 14\n", c.toText());
560 	}
561 
562 	@Test
563 	public void testUnsetSingleSection() throws ConfigInvalidException {
564 		Config c = parse("" //
565 				+ "[branch \"keep\"]\n"
566 				+ "  merge = master.branch.to.keep.in.the.file\n"
567 				+ "\n"
568 				+ "[single]\n"
569 				+ "  merge = this.will.get.deleted\n"
570 				+ "  remote = origin-for-some-long-gone-place\n"
571 				+ "\n"
572 				+ "[core-section-not-to-remove-in-test]\n"
573 				+ "  packedGitLimit = 14\n");
574 		c.unsetSection("single", null);
575 		assertEquals("" //
576 				+ "[branch \"keep\"]\n"
577 				+ "  merge = master.branch.to.keep.in.the.file\n"
578 				+ "\n"
579 				+ "[core-section-not-to-remove-in-test]\n"
580 				+ "  packedGitLimit = 14\n", c.toText());
581 	}
582 
583 	@Test
584 	public void test008_readSectionNames() throws ConfigInvalidException {
585 		final Config c = parse("[a]\n [B]\n");
586 		Set<String> sections = c.getSections();
587 		assertTrue("Sections should contain \"a\"", sections.contains("a"));
588 		assertTrue("Sections should contain \"b\"", sections.contains("b"));
589 	}
590 
591 	@Test
592 	public void test009_readNamesInSection() throws ConfigInvalidException {
593 		String configString = "[core]\n" + "repositoryFormatVersion = 0\n"
594 				+ "filemode = false\n" + "logAllRefUpdates = true\n";
595 		final Config c = parse(configString);
596 		Set<String> names = c.getNames("core");
597 		assertEquals("Core section size", 3, names.size());
598 		assertTrue("Core section should contain \"filemode\"", names
599 				.contains("filemode"));
600 
601 		assertTrue("Core section should contain \"repositoryFormatVersion\"",
602 				names.contains("repositoryFormatVersion"));
603 
604 		assertTrue("Core section should contain \"repositoryformatversion\"",
605 				names.contains("repositoryformatversion"));
606 
607 		Iterator<String> itr = names.iterator();
608 		assertEquals("filemode", itr.next());
609 		assertEquals("logAllRefUpdates", itr.next());
610 		assertEquals("repositoryFormatVersion", itr.next());
611 		assertFalse(itr.hasNext());
612 	}
613 
614 	@Test
615 	public void test_ReadNamesInSectionRecursive()
616 			throws ConfigInvalidException {
617 		String baseConfigString = "[core]\n" + "logAllRefUpdates = true\n";
618 		String configString = "[core]\n" + "repositoryFormatVersion = 0\n"
619 				+ "filemode = false\n";
620 		final Config c = parse(configString, parse(baseConfigString));
621 		Set<String> names = c.getNames("core", true);
622 		assertEquals("Core section size", 3, names.size());
623 		assertTrue("Core section should contain \"filemode\"",
624 				names.contains("filemode"));
625 		assertTrue("Core section should contain \"repositoryFormatVersion\"",
626 				names.contains("repositoryFormatVersion"));
627 		assertTrue("Core section should contain \"logAllRefUpdates\"",
628 				names.contains("logAllRefUpdates"));
629 		assertTrue("Core section should contain \"logallrefupdates\"",
630 				names.contains("logallrefupdates"));
631 
632 		Iterator<String> itr = names.iterator();
633 		assertEquals("filemode", itr.next());
634 		assertEquals("repositoryFormatVersion", itr.next());
635 		assertEquals("logAllRefUpdates", itr.next());
636 		assertFalse(itr.hasNext());
637 	}
638 
639 	@Test
640 	public void test010_readNamesInSubSection() throws ConfigInvalidException {
641 		String configString = "[a \"sub1\"]\n"//
642 				+ "x = 0\n" //
643 				+ "y = false\n"//
644 				+ "z = true\n"//
645 				+ "[a \"sub2\"]\n"//
646 				+ "a=0\n"//
647 				+ "b=1\n";
648 		final Config c = parse(configString);
649 		Set<String> names = c.getNames("a", "sub1");
650 		assertEquals("Subsection size", 3, names.size());
651 		assertTrue("Subsection should contain \"x\"", names.contains("x"));
652 		assertTrue("Subsection should contain \"y\"", names.contains("y"));
653 		assertTrue("Subsection should contain \"z\"", names.contains("z"));
654 		names = c.getNames("a", "sub2");
655 		assertEquals("Subsection size", 2, names.size());
656 		assertTrue("Subsection should contain \"a\"", names.contains("a"));
657 		assertTrue("Subsection should contain \"b\"", names.contains("b"));
658 	}
659 
660 	@Test
661 	public void readNamesInSubSectionRecursive() throws ConfigInvalidException {
662 		String baseConfigString = "[a \"sub1\"]\n"//
663 				+ "x = 0\n" //
664 				+ "y = false\n"//
665 				+ "[a \"sub2\"]\n"//
666 				+ "A=0\n";//
667 		String configString = "[a \"sub1\"]\n"//
668 				+ "z = true\n"//
669 				+ "[a \"sub2\"]\n"//
670 				+ "B=1\n";
671 		final Config c = parse(configString, parse(baseConfigString));
672 		Set<String> names = c.getNames("a", "sub1", true);
673 		assertEquals("Subsection size", 3, names.size());
674 		assertTrue("Subsection should contain \"x\"", names.contains("x"));
675 		assertTrue("Subsection should contain \"y\"", names.contains("y"));
676 		assertTrue("Subsection should contain \"z\"", names.contains("z"));
677 		names = c.getNames("a", "sub2", true);
678 		assertEquals("Subsection size", 2, names.size());
679 		assertTrue("Subsection should contain \"A\"", names.contains("A"));
680 		assertTrue("Subsection should contain \"a\"", names.contains("a"));
681 		assertTrue("Subsection should contain \"B\"", names.contains("B"));
682 	}
683 
684 
685 	@Test
686 	public void testNoFinalNewline() throws ConfigInvalidException {
687 		Config c = parse("[a]\n"
688 				+ "x = 0\n"
689 				+ "y = 1");
690 		assertEquals("0", c.getString("a", null, "x"));
691 		assertEquals("1", c.getString("a", null, "y"));
692 	}
693 
694 	@Test
695 	public void testExplicitlySetEmptyString() throws Exception {
696 		Config c = new Config();
697 		c.setString("a", null, "x", "0");
698 		c.setString("a", null, "y", "");
699 
700 		assertEquals("0", c.getString("a", null, "x"));
701 		assertEquals(0, c.getInt("a", null, "x", 1));
702 
703 		assertEquals("", c.getString("a", null, "y"));
704 		assertArrayEquals(new String[]{""}, c.getStringList("a", null, "y"));
705 		assertEquals(1, c.getInt("a", null, "y", 1));
706 
707 		assertNull(c.getString("a", null, "z"));
708 		assertArrayEquals(new String[]{}, c.getStringList("a", null, "z"));
709 	}
710 
711 	@Test
712 	public void testParsedEmptyString() throws Exception {
713 		Config c = parse("[a]\n"
714 				+ "x = 0\n"
715 				+ "y =\n");
716 
717 		assertEquals("0", c.getString("a", null, "x"));
718 		assertEquals(0, c.getInt("a", null, "x", 1));
719 
720 		assertNull(c.getString("a", null, "y"));
721 		assertArrayEquals(new String[]{null}, c.getStringList("a", null, "y"));
722 		assertEquals(1, c.getInt("a", null, "y", 1));
723 
724 		assertNull(c.getString("a", null, "z"));
725 		assertArrayEquals(new String[]{}, c.getStringList("a", null, "z"));
726 	}
727 
728 	@Test
729 	public void testSetStringListWithEmptyValue() throws Exception {
730 		Config c = new Config();
731 		c.setStringList("a", null, "x", Arrays.asList(""));
732 		assertArrayEquals(new String[]{""}, c.getStringList("a", null, "x"));
733 	}
734 
735 	@Test
736 	public void testEmptyValueAtEof() throws Exception {
737 		String text = "[a]\nx =";
738 		Config c = parse(text);
739 		assertNull(c.getString("a", null, "x"));
740 		assertArrayEquals(new String[]{null},
741 				c.getStringList("a", null, "x"));
742 		c = parse(text + "\n");
743 		assertNull(c.getString("a", null, "x"));
744 		assertArrayEquals(new String[]{null},
745 				c.getStringList("a", null, "x"));
746 	}
747 
748 	@Test
749 	public void testReadMultipleValuesForName() throws ConfigInvalidException {
750 		Config c = parse("[foo]\nbar=false\nbar=true\n");
751 		assertTrue(c.getBoolean("foo", "bar", false));
752 	}
753 
754 	@Test
755 	public void testIncludeInvalidName() throws ConfigInvalidException {
756 		expectedEx.expect(ConfigInvalidException.class);
757 		expectedEx.expectMessage(JGitText.get().invalidLineInConfigFile);
758 		parse("[include]\nbar\n");
759 	}
760 
761 	@Test
762 	public void testIncludeNoValue() throws ConfigInvalidException {
763 		expectedEx.expect(ConfigInvalidException.class);
764 		expectedEx.expectMessage(JGitText.get().invalidLineInConfigFile);
765 		parse("[include]\npath\n");
766 	}
767 
768 	@Test
769 	public void testIncludeEmptyValue() throws ConfigInvalidException {
770 		expectedEx.expect(ConfigInvalidException.class);
771 		expectedEx.expectMessage(JGitText.get().invalidLineInConfigFile);
772 		parse("[include]\npath=\n");
773 	}
774 
775 	@Test
776 	public void testIncludeValuePathNotFound() throws ConfigInvalidException {
777 		// we do not expect an exception, included path not found are ignored
778 		String notFound = "/not/found";
779 		Config parsed = parse("[include]\npath=" + notFound + "\n");
780 		assertEquals(1, parsed.getSections().size());
781 		assertEquals(notFound, parsed.getString("include", null, "path"));
782 	}
783 
784 	@Test
785 	public void testIncludeValuePathWithTilde() throws ConfigInvalidException {
786 		// we do not expect an exception, included path not supported are
787 		// ignored
788 		String notSupported = "~/someFile";
789 		Config parsed = parse("[include]\npath=" + notSupported + "\n");
790 		assertEquals(1, parsed.getSections().size());
791 		assertEquals(notSupported, parsed.getString("include", null, "path"));
792 	}
793 
794 	@Test
795 	public void testIncludeValuePathRelative() throws ConfigInvalidException {
796 		// we do not expect an exception, included path not supported are
797 		// ignored
798 		String notSupported = "someRelativeFile";
799 		Config parsed = parse("[include]\npath=" + notSupported + "\n");
800 		assertEquals(1, parsed.getSections().size());
801 		assertEquals(notSupported, parsed.getString("include", null, "path"));
802 	}
803 
804 	@Test
805 	public void testIncludeTooManyRecursions() throws IOException {
806 		File config = tmp.newFile("config");
807 		String include = "[include]\npath=" + pathToString(config) + "\n";
808 		Files.write(config.toPath(), include.getBytes(UTF_8));
809 		try {
810 			loadConfig(config);
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(UTF_8));
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(UTF_8));
841 
842 		File config = tmp.newFile("config");
843 		content = "[Include]\npath=" + pathToString(included) + "\n";
844 		Files.write(config.toPath(), content.getBytes(UTF_8));
845 
846 		FileBasedConfig fbConfig = loadConfig(config);
847 		assertTrue(fbConfig.getBoolean("foo", "bar", false));
848 	}
849 
850 	@Test
851 	public void testIncludeCaseInsensitiveKey()
852 			throws IOException, ConfigInvalidException {
853 		File included = tmp.newFile("included");
854 		String content = "[foo]\nbar=true\n";
855 		Files.write(included.toPath(), content.getBytes(UTF_8));
856 
857 		File config = tmp.newFile("config");
858 		content = "[include]\nPath=" + pathToString(included) + "\n";
859 		Files.write(config.toPath(), content.getBytes(UTF_8));
860 
861 		FileBasedConfig fbConfig = loadConfig(config);
862 		assertTrue(fbConfig.getBoolean("foo", "bar", false));
863 	}
864 
865 	@Test
866 	public void testIncludeExceptionContainsLine() {
867 		try {
868 			parse("[include]\npath=\n");
869 			fail("Expected ConfigInvalidException");
870 		} catch (ConfigInvalidException e) {
871 			assertTrue(
872 					"Expected to find the problem line in the exception message",
873 					e.getMessage().contains("include.path"));
874 		}
875 	}
876 
877 	@Test
878 	public void testIncludeExceptionContainsFile() throws IOException {
879 		File included = tmp.newFile("included");
880 		String includedPath = pathToString(included);
881 		String content = "[include]\npath=\n";
882 		Files.write(included.toPath(), content.getBytes(UTF_8));
883 
884 		File config = tmp.newFile("config");
885 		String include = "[include]\npath=" + includedPath + "\n";
886 		Files.write(config.toPath(), include.getBytes(UTF_8));
887 		try {
888 			loadConfig(config);
889 			fail("Expected ConfigInvalidException");
890 		} catch (ConfigInvalidException e) {
891 			// Check that there is some exception in the chain that contains
892 			// includedPath
893 			for (Throwable t = e; t != null; t = t.getCause()) {
894 				if (t.getMessage().contains(includedPath)) {
895 					return;
896 				}
897 			}
898 			fail("Expected to find the path in the exception message: "
899 					+ includedPath);
900 		}
901 	}
902 
903 	@Test
904 	public void testIncludeSetValueMustNotTouchIncludedLines1()
905 			throws IOException, ConfigInvalidException {
906 		File includedFile = createAllTypesIncludedContent();
907 
908 		File configFile = tmp.newFile("config");
909 		String content = createAllTypesSampleContent("Alice Parker", false, 11,
910 				21, 31, CoreConfig.AutoCRLF.FALSE,
911 				"+refs/heads/*:refs/remotes/origin/*") + "\n[include]\npath="
912 				+ pathToString(includedFile);
913 		Files.write(configFile.toPath(), content.getBytes(UTF_8));
914 
915 		FileBasedConfig fbConfig = loadConfig(configFile);
916 		assertValuesAsIncluded(fbConfig, REFS_ORIGIN, REFS_UPSTREAM);
917 		assertSections(fbConfig, "user", "core", "remote", "include");
918 
919 		setAllValuesNew(fbConfig);
920 		assertValuesAsIsSaveLoad(fbConfig, config -> {
921 			assertValuesAsIncluded(config, REFS_BACKUP, REFS_UPSTREAM);
922 			assertSections(fbConfig, "user", "core", "remote", "include");
923 		});
924 	}
925 
926 	@Test
927 	public void testIncludeSetValueMustNotTouchIncludedLines2()
928 			throws IOException, ConfigInvalidException {
929 		File includedFile = createAllTypesIncludedContent();
930 
931 		File configFile = tmp.newFile("config");
932 		String content = "[include]\npath=" + pathToString(includedFile) + "\n"
933 				+ createAllTypesSampleContent("Alice Parker", false, 11, 21, 31,
934 						CoreConfig.AutoCRLF.FALSE,
935 						"+refs/heads/*:refs/remotes/origin/*");
936 		Files.write(configFile.toPath(), content.getBytes(UTF_8));
937 
938 		FileBasedConfig fbConfig = loadConfig(configFile);
939 		assertValuesAsConfig(fbConfig, REFS_UPSTREAM, REFS_ORIGIN);
940 		assertSections(fbConfig, "include", "user", "core", "remote");
941 
942 		setAllValuesNew(fbConfig);
943 		assertValuesAsIsSaveLoad(fbConfig, config -> {
944 			assertValuesAsNew(config, REFS_UPSTREAM, REFS_BACKUP);
945 			assertSections(fbConfig, "include", "user", "core", "remote");
946 		});
947 	}
948 
949 	@Test
950 	public void testIncludeSetValueOnFileWithJustContainsInclude()
951 			throws IOException, ConfigInvalidException {
952 		File includedFile = createAllTypesIncludedContent();
953 
954 		File configFile = tmp.newFile("config");
955 		String content = "[include]\npath=" + pathToString(includedFile);
956 		Files.write(configFile.toPath(), content.getBytes(UTF_8));
957 
958 		FileBasedConfig fbConfig = loadConfig(configFile);
959 		assertValuesAsIncluded(fbConfig, REFS_UPSTREAM);
960 		assertSections(fbConfig, "include", "user", "core", "remote");
961 
962 		setAllValuesNew(fbConfig);
963 		assertValuesAsIsSaveLoad(fbConfig, config -> {
964 			assertValuesAsNew(config, REFS_UPSTREAM, REFS_BACKUP);
965 			assertSections(fbConfig, "include", "user", "core", "remote");
966 		});
967 	}
968 
969 	@Test
970 	public void testIncludeSetValueOnFileWithJustEmptySection1()
971 			throws IOException, ConfigInvalidException {
972 		File includedFile = createAllTypesIncludedContent();
973 
974 		File configFile = tmp.newFile("config");
975 		String content = "[user]\n[include]\npath="
976 				+ pathToString(includedFile);
977 		Files.write(configFile.toPath(), content.getBytes(UTF_8));
978 
979 		FileBasedConfig fbConfig = loadConfig(configFile);
980 		assertValuesAsIncluded(fbConfig, REFS_UPSTREAM);
981 		assertSections(fbConfig, "user", "include", "core", "remote");
982 
983 		setAllValuesNew(fbConfig);
984 		assertValuesAsIsSaveLoad(fbConfig, config -> {
985 			assertValuesAsNewWithName(config, "Alice Muller", REFS_UPSTREAM,
986 					REFS_BACKUP);
987 			assertSections(fbConfig, "user", "include", "core", "remote");
988 		});
989 	}
990 
991 	@Test
992 	public void testIncludeSetValueOnFileWithJustEmptySection2()
993 			throws IOException, ConfigInvalidException {
994 		File includedFile = createAllTypesIncludedContent();
995 
996 		File configFile = tmp.newFile("config");
997 		String content = "[include]\npath=" + pathToString(includedFile)
998 				+ "\n[user]";
999 		Files.write(configFile.toPath(), content.getBytes(UTF_8));
1000 
1001 		FileBasedConfig fbConfig = loadConfig(configFile);
1002 		assertValuesAsIncluded(fbConfig, REFS_UPSTREAM);
1003 		assertSections(fbConfig, "include", "user", "core", "remote");
1004 
1005 		setAllValuesNew(fbConfig);
1006 		assertValuesAsIsSaveLoad(fbConfig, config -> {
1007 			assertValuesAsNew(config, REFS_UPSTREAM, REFS_BACKUP);
1008 			assertSections(fbConfig, "include", "user", "core", "remote");
1009 		});
1010 	}
1011 
1012 	@Test
1013 	public void testIncludeSetValueOnFileWithJustExistingSection1()
1014 			throws IOException, ConfigInvalidException {
1015 		File includedFile = createAllTypesIncludedContent();
1016 
1017 		File configFile = tmp.newFile("config");
1018 		String content = "[user]\nemail=alice@home\n[include]\npath="
1019 				+ pathToString(includedFile);
1020 		Files.write(configFile.toPath(), content.getBytes(UTF_8));
1021 
1022 		FileBasedConfig fbConfig = loadConfig(configFile);
1023 		assertValuesAsIncluded(fbConfig, REFS_UPSTREAM);
1024 		assertSections(fbConfig, "user", "include", "core", "remote");
1025 
1026 		setAllValuesNew(fbConfig);
1027 		assertValuesAsIsSaveLoad(fbConfig, config -> {
1028 			assertValuesAsNewWithName(config, "Alice Muller", REFS_UPSTREAM,
1029 					REFS_BACKUP);
1030 			assertSections(fbConfig, "user", "include", "core", "remote");
1031 		});
1032 	}
1033 
1034 	@Test
1035 	public void testIncludeSetValueOnFileWithJustExistingSection2()
1036 			throws IOException, ConfigInvalidException {
1037 		File includedFile = createAllTypesIncludedContent();
1038 
1039 		File configFile = tmp.newFile("config");
1040 		String content = "[include]\npath=" + pathToString(includedFile)
1041 				+ "\n[user]\nemail=alice@home\n";
1042 		Files.write(configFile.toPath(), content.getBytes(UTF_8));
1043 
1044 		FileBasedConfig fbConfig = loadConfig(configFile);
1045 		assertValuesAsIncluded(fbConfig, REFS_UPSTREAM);
1046 		assertSections(fbConfig, "include", "user", "core", "remote");
1047 
1048 		setAllValuesNew(fbConfig);
1049 		assertValuesAsIsSaveLoad(fbConfig, config -> {
1050 			assertValuesAsNew(config, REFS_UPSTREAM, REFS_BACKUP);
1051 			assertSections(fbConfig, "include", "user", "core", "remote");
1052 		});
1053 	}
1054 
1055 	@Test
1056 	public void testIncludeUnsetSectionMustNotTouchIncludedLines()
1057 			throws IOException, ConfigInvalidException {
1058 		File includedFile = tmp.newFile("included");
1059 		RefSpec includedRefSpec = new RefSpec(REFS_UPSTREAM);
1060 		String includedContent = "[remote \"origin\"]\n" + "fetch="
1061 				+ includedRefSpec;
1062 		Files.write(includedFile.toPath(), includedContent.getBytes(UTF_8));
1063 
1064 		File configFile = tmp.newFile("config");
1065 		RefSpec refSpec = new RefSpec(REFS_ORIGIN);
1066 		String content = "[include]\npath=" + pathToString(includedFile) + "\n"
1067 				+ "[remote \"origin\"]\n" + "fetch=" + refSpec;
1068 		Files.write(configFile.toPath(), content.getBytes(UTF_8));
1069 
1070 		FileBasedConfig fbConfig = loadConfig(configFile);
1071 
1072 		Consumer<FileBasedConfig> assertion = config -> {
1073 			assertEquals(Arrays.asList(includedRefSpec, refSpec),
1074 					config.getRefSpecs("remote", "origin", "fetch"));
1075 		};
1076 		assertion.accept(fbConfig);
1077 
1078 		fbConfig.unsetSection("remote", "origin");
1079 		assertValuesAsIsSaveLoad(fbConfig, config -> {
1080 			assertEquals(Collections.singletonList(includedRefSpec),
1081 					config.getRefSpecs("remote", "origin", "fetch"));
1082 		});
1083 	}
1084 
1085 	private File createAllTypesIncludedContent() throws IOException {
1086 		File includedFile = tmp.newFile("included");
1087 		String includedContent = createAllTypesSampleContent("Alice Muller",
1088 				true, 10, 20, 30, CoreConfig.AutoCRLF.TRUE,
1089 				"+refs/heads/*:refs/remotes/upstream/*");
1090 		Files.write(includedFile.toPath(), includedContent.getBytes(UTF_8));
1091 		return includedFile;
1092 	}
1093 
1094 	private static void assertValuesAsIsSaveLoad(FileBasedConfig fbConfig,
1095 			Consumer<FileBasedConfig> assertion)
1096 			throws IOException, ConfigInvalidException {
1097 		assertion.accept(fbConfig);
1098 
1099 		fbConfig.save();
1100 		assertion.accept(fbConfig);
1101 
1102 		fbConfig = loadConfig(fbConfig.getFile());
1103 		assertion.accept(fbConfig);
1104 	}
1105 
1106 	private static void setAllValuesNew(Config config) {
1107 		config.setString("user", null, "name", "Alice Bauer");
1108 		config.setBoolean("core", null, "fileMode", false);
1109 		config.setInt("core", null, "deltaBaseCacheLimit", 12);
1110 		config.setLong("core", null, "packedGitLimit", 22);
1111 		config.setLong("core", null, "repositoryCacheExpireAfter", 32);
1112 		config.setEnum("core", null, "autocrlf", CoreConfig.AutoCRLF.FALSE);
1113 		config.setString("remote", "origin", "fetch",
1114 				"+refs/heads/*:refs/remotes/backup/*");
1115 	}
1116 
1117 	private static void assertValuesAsIncluded(Config config, String... refs) {
1118 		assertAllTypesSampleContent("Alice Muller", true, 10, 20, 30,
1119 				CoreConfig.AutoCRLF.TRUE, config, refs);
1120 	}
1121 
1122 	private static void assertValuesAsConfig(Config config, String... refs) {
1123 		assertAllTypesSampleContent("Alice Parker", false, 11, 21, 31,
1124 				CoreConfig.AutoCRLF.FALSE, config, refs);
1125 	}
1126 
1127 	private static void assertValuesAsNew(Config config, String... refs) {
1128 		assertValuesAsNewWithName(config, "Alice Bauer", refs);
1129 	}
1130 
1131 	private static void assertValuesAsNewWithName(Config config, String name,
1132 			String... refs) {
1133 		assertAllTypesSampleContent(name, false, 12, 22, 32,
1134 				CoreConfig.AutoCRLF.FALSE, config, refs);
1135 	}
1136 
1137 	private static void assertSections(Config config, String... sections) {
1138 		assertEquals(Arrays.asList(sections),
1139 				new ArrayList<>(config.getSections()));
1140 	}
1141 
1142 	private static String createAllTypesSampleContent(String name,
1143 			boolean fileMode, int deltaBaseCacheLimit, long packedGitLimit,
1144 			long repositoryCacheExpireAfter, CoreConfig.AutoCRLF autoCRLF,
1145 			String fetchRefSpec) {
1146 		final StringBuilder builder = new StringBuilder();
1147 		builder.append("[user]\n");
1148 		builder.append("name=");
1149 		builder.append(name);
1150 		builder.append("\n");
1151 
1152 		builder.append("[core]\n");
1153 		builder.append("fileMode=");
1154 		builder.append(fileMode);
1155 		builder.append("\n");
1156 
1157 		builder.append("deltaBaseCacheLimit=");
1158 		builder.append(deltaBaseCacheLimit);
1159 		builder.append("\n");
1160 
1161 		builder.append("packedGitLimit=");
1162 		builder.append(packedGitLimit);
1163 		builder.append("\n");
1164 
1165 		builder.append("repositoryCacheExpireAfter=");
1166 		builder.append(repositoryCacheExpireAfter);
1167 		builder.append("\n");
1168 
1169 		builder.append("autocrlf=");
1170 		builder.append(autoCRLF.name());
1171 		builder.append("\n");
1172 
1173 		builder.append("[remote \"origin\"]\n");
1174 		builder.append("fetch=");
1175 		builder.append(fetchRefSpec);
1176 		builder.append("\n");
1177 		return builder.toString();
1178 	}
1179 
1180 	private static void assertAllTypesSampleContent(String name,
1181 			boolean fileMode, int deltaBaseCacheLimit, long packedGitLimit,
1182 			long repositoryCacheExpireAfter, CoreConfig.AutoCRLF autoCRLF,
1183 			Config config, String... fetchRefSpecs) {
1184 		assertEquals(name, config.getString("user", null, "name"));
1185 		assertEquals(fileMode,
1186 				config.getBoolean("core", "fileMode", !fileMode));
1187 		assertEquals(deltaBaseCacheLimit,
1188 				config.getInt("core", "deltaBaseCacheLimit", -1));
1189 		assertEquals(packedGitLimit,
1190 				config.getLong("core", "packedGitLimit", -1));
1191 		assertEquals(repositoryCacheExpireAfter, config.getTimeUnit("core",
1192 				null, "repositoryCacheExpireAfter", -1, MILLISECONDS));
1193 		assertEquals(autoCRLF, config.getEnum("core", null, "autocrlf",
1194 				CoreConfig.AutoCRLF.INPUT));
1195 		final List<RefSpec> refspecs = new ArrayList<>();
1196 		for (String fetchRefSpec : fetchRefSpecs) {
1197 			refspecs.add(new RefSpec(fetchRefSpec));
1198 		}
1199 
1200 		assertEquals(refspecs, config.getRefSpecs("remote", "origin", "fetch"));
1201 	}
1202 
1203 	private static void assertReadLong(long exp) throws ConfigInvalidException {
1204 		assertReadLong(exp, String.valueOf(exp));
1205 	}
1206 
1207 	private static void assertReadLong(long exp, String act)
1208 			throws ConfigInvalidException {
1209 		final Config c = parse("[s]\na = " + act + "\n");
1210 		assertEquals(exp, c.getLong("s", null, "a", 0L));
1211 	}
1212 
1213 	private static Config parse(String content)
1214 			throws ConfigInvalidException {
1215 		return parse(content, null);
1216 	}
1217 
1218 	private static Config parse(String content, Config baseConfig)
1219 			throws ConfigInvalidException {
1220 		final Config c = new Config(baseConfig);
1221 		c.fromText(content);
1222 		return c;
1223 	}
1224 
1225 	@Test
1226 	public void testTimeUnit() throws ConfigInvalidException {
1227 		assertEquals(0, parseTime("0", MILLISECONDS));
1228 		assertEquals(2, parseTime("2ms", MILLISECONDS));
1229 		assertEquals(200, parseTime("200 milliseconds", MILLISECONDS));
1230 
1231 		assertEquals(0, parseTime("0s", SECONDS));
1232 		assertEquals(2, parseTime("2s", SECONDS));
1233 		assertEquals(231, parseTime("231sec", SECONDS));
1234 		assertEquals(1, parseTime("1second", SECONDS));
1235 		assertEquals(300, parseTime("300 seconds", SECONDS));
1236 
1237 		assertEquals(2, parseTime("2m", MINUTES));
1238 		assertEquals(2, parseTime("2min", MINUTES));
1239 		assertEquals(1, parseTime("1 minute", MINUTES));
1240 		assertEquals(10, parseTime("10 minutes", MINUTES));
1241 
1242 		assertEquals(5, parseTime("5h", HOURS));
1243 		assertEquals(5, parseTime("5hr", HOURS));
1244 		assertEquals(1, parseTime("1hour", HOURS));
1245 		assertEquals(48, parseTime("48hours", HOURS));
1246 
1247 		assertEquals(5, parseTime("5 h", HOURS));
1248 		assertEquals(5, parseTime("5 hr", HOURS));
1249 		assertEquals(1, parseTime("1 hour", HOURS));
1250 		assertEquals(48, parseTime("48 hours", HOURS));
1251 		assertEquals(48, parseTime("48 \t \r hours", HOURS));
1252 
1253 		assertEquals(4, parseTime("4d", DAYS));
1254 		assertEquals(1, parseTime("1day", DAYS));
1255 		assertEquals(14, parseTime("14days", DAYS));
1256 
1257 		assertEquals(7, parseTime("1w", DAYS));
1258 		assertEquals(7, parseTime("1week", DAYS));
1259 		assertEquals(14, parseTime("2w", DAYS));
1260 		assertEquals(14, parseTime("2weeks", DAYS));
1261 
1262 		assertEquals(30, parseTime("1mon", DAYS));
1263 		assertEquals(30, parseTime("1month", DAYS));
1264 		assertEquals(60, parseTime("2mon", DAYS));
1265 		assertEquals(60, parseTime("2months", DAYS));
1266 
1267 		assertEquals(365, parseTime("1y", DAYS));
1268 		assertEquals(365, parseTime("1year", DAYS));
1269 		assertEquals(365 * 2, parseTime("2years", DAYS));
1270 	}
1271 
1272 	private long parseTime(String value, TimeUnit unit)
1273 			throws ConfigInvalidException {
1274 		Config c = parse("[a]\na=" + value + "\n");
1275 		return c.getTimeUnit("a", null, "a", 0, unit);
1276 	}
1277 
1278 	@Test
1279 	public void testTimeUnitDefaultValue() throws ConfigInvalidException {
1280 		// value not present
1281 		assertEquals(20, parse("[a]\na=0\n").getTimeUnit("a", null, "b", 20,
1282 				MILLISECONDS));
1283 		// value is empty
1284 		assertEquals(20, parse("[a]\na=\" \"\n").getTimeUnit("a", null, "a", 20,
1285 				MILLISECONDS));
1286 
1287 		// value is not numeric
1288 		assertEquals(20, parse("[a]\na=test\n").getTimeUnit("a", null, "a", 20,
1289 				MILLISECONDS));
1290 	}
1291 
1292 	@Test
1293 	public void testTimeUnitInvalid() throws ConfigInvalidException {
1294 		expectedEx.expect(IllegalArgumentException.class);
1295 		expectedEx
1296 				.expectMessage("Invalid time unit value: a.a=1 monttthhh");
1297 		parseTime("1 monttthhh", DAYS);
1298 	}
1299 
1300 	@Test
1301 	public void testTimeUnitInvalidWithSection() throws ConfigInvalidException {
1302 		Config c = parse("[a \"b\"]\na=1 monttthhh\n");
1303 		expectedEx.expect(IllegalArgumentException.class);
1304 		expectedEx.expectMessage("Invalid time unit value: a.b.a=1 monttthhh");
1305 		c.getTimeUnit("a", "b", "a", 0, DAYS);
1306 	}
1307 
1308 	@Test
1309 	public void testTimeUnitNegative() throws ConfigInvalidException {
1310 		expectedEx.expect(IllegalArgumentException.class);
1311 		parseTime("-1", MILLISECONDS);
1312 	}
1313 
1314 	@Test
1315 	public void testEscapeSpacesOnly() throws ConfigInvalidException {
1316 		// Empty string is read back as null, so this doesn't round-trip.
1317 		assertEquals("", Config.escapeValue(""));
1318 
1319 		assertValueRoundTrip(" ", "\" \"");
1320 		assertValueRoundTrip("  ", "\"  \"");
1321 	}
1322 
1323 	@Test
1324 	public void testEscapeLeadingSpace() throws ConfigInvalidException {
1325 		assertValueRoundTrip("x", "x");
1326 		assertValueRoundTrip(" x", "\" x\"");
1327 		assertValueRoundTrip("  x", "\"  x\"");
1328 	}
1329 
1330 	@Test
1331 	public void testEscapeTrailingSpace() throws ConfigInvalidException {
1332 		assertValueRoundTrip("x", "x");
1333 		assertValueRoundTrip("x  ","\"x  \"");
1334 		assertValueRoundTrip("x ","\"x \"");
1335 	}
1336 
1337 	@Test
1338 	public void testEscapeLeadingAndTrailingSpace()
1339 			throws ConfigInvalidException {
1340 		assertValueRoundTrip(" x ", "\" x \"");
1341 		assertValueRoundTrip("  x ", "\"  x \"");
1342 		assertValueRoundTrip(" x  ", "\" x  \"");
1343 		assertValueRoundTrip("  x  ", "\"  x  \"");
1344 	}
1345 
1346 	@Test
1347 	public void testNoEscapeInternalSpaces() throws ConfigInvalidException {
1348 		assertValueRoundTrip("x y");
1349 		assertValueRoundTrip("x  y");
1350 		assertValueRoundTrip("x  y");
1351 		assertValueRoundTrip("x  y   z");
1352 		assertValueRoundTrip("x " + WS + " y");
1353 	}
1354 
1355 	@Test
1356 	public void testNoEscapeSpecialCharacters() throws ConfigInvalidException {
1357 		assertValueRoundTrip("x\\y", "x\\\\y");
1358 		assertValueRoundTrip("x\"y", "x\\\"y");
1359 		assertValueRoundTrip("x\ny", "x\\ny");
1360 		assertValueRoundTrip("x\ty", "x\\ty");
1361 		assertValueRoundTrip("x\by", "x\\by");
1362 	}
1363 
1364 	@Test
1365 	public void testParseLiteralBackspace() throws ConfigInvalidException {
1366 		// This is round-tripped with an escape sequence by JGit, but C git writes
1367 		// it out as a literal backslash.
1368 		assertEquals("x\by", parseEscapedValue("x\by"));
1369 	}
1370 
1371 	@Test
1372 	public void testEscapeCommentCharacters() throws ConfigInvalidException {
1373 		assertValueRoundTrip("x#y", "\"x#y\"");
1374 		assertValueRoundTrip("x;y", "\"x;y\"");
1375 	}
1376 
1377 	@Test
1378 	public void testEscapeValueInvalidCharacters() {
1379 		assertIllegalArgumentException(() -> Config.escapeSubsection("x\0y"));
1380 	}
1381 
1382 	@Test
1383 	public void testEscapeSubsectionInvalidCharacters() {
1384 		assertIllegalArgumentException(() -> Config.escapeSubsection("x\ny"));
1385 		assertIllegalArgumentException(() -> Config.escapeSubsection("x\0y"));
1386 	}
1387 
1388 	@Test
1389 	public void testParseMultipleQuotedRegions() throws ConfigInvalidException {
1390 		assertEquals("b a z; \n", parseEscapedValue("b\" a\"\" z; \\n\""));
1391 	}
1392 
1393 	@Test
1394 	public void testParseComments() throws ConfigInvalidException {
1395 		assertEquals("baz", parseEscapedValue("baz; comment"));
1396 		assertEquals("baz", parseEscapedValue("baz# comment"));
1397 		assertEquals("baz", parseEscapedValue("baz ; comment"));
1398 		assertEquals("baz", parseEscapedValue("baz # comment"));
1399 
1400 		assertEquals("baz", parseEscapedValue("baz ; comment"));
1401 		assertEquals("baz", parseEscapedValue("baz # comment"));
1402 		assertEquals("baz", parseEscapedValue("baz " + WS + " ; comment"));
1403 		assertEquals("baz", parseEscapedValue("baz " + WS + " # comment"));
1404 
1405 		assertEquals("baz ", parseEscapedValue("\"baz \"; comment"));
1406 		assertEquals("baz ", parseEscapedValue("\"baz \"# comment"));
1407 		assertEquals("baz ", parseEscapedValue("\"baz \" ; comment"));
1408 		assertEquals("baz ", parseEscapedValue("\"baz \" # comment"));
1409 	}
1410 
1411 	@Test
1412 	public void testEscapeSubsection() throws ConfigInvalidException {
1413 		assertSubsectionRoundTrip("", "\"\"");
1414 		assertSubsectionRoundTrip("x", "\"x\"");
1415 		assertSubsectionRoundTrip(" x", "\" x\"");
1416 		assertSubsectionRoundTrip("x ", "\"x \"");
1417 		assertSubsectionRoundTrip(" x ", "\" x \"");
1418 		assertSubsectionRoundTrip("x y", "\"x y\"");
1419 		assertSubsectionRoundTrip("x  y", "\"x  y\"");
1420 		assertSubsectionRoundTrip("x\\y", "\"x\\\\y\"");
1421 		assertSubsectionRoundTrip("x\"y", "\"x\\\"y\"");
1422 
1423 		// Unlike for values, \b and \t are not escaped.
1424 		assertSubsectionRoundTrip("x\by", "\"x\by\"");
1425 		assertSubsectionRoundTrip("x\ty", "\"x\ty\"");
1426 	}
1427 
1428 	@Test
1429 	public void testParseInvalidValues() {
1430 		assertInvalidValue(JGitText.get().newlineInQuotesNotAllowed, "x\"\n\"y");
1431 		assertInvalidValue(JGitText.get().endOfFileInEscape, "x\\");
1432 		assertInvalidValue(
1433 				MessageFormat.format(JGitText.get().badEscape, 'q'), "x\\q");
1434 	}
1435 
1436 	@Test
1437 	public void testParseInvalidSubsections() {
1438 		assertInvalidSubsection(
1439 				JGitText.get().newlineInQuotesNotAllowed, "\"x\ny\"");
1440 	}
1441 
1442 	@Test
1443 	public void testDropBackslashFromInvalidEscapeSequenceInSubsectionName()
1444 			throws ConfigInvalidException {
1445 		assertEquals("x0", parseEscapedSubsection("\"x\\0\""));
1446 		assertEquals("xq", parseEscapedSubsection("\"x\\q\""));
1447 		// Unlike for values, \b, \n, and \t are not valid escape sequences.
1448 		assertEquals("xb", parseEscapedSubsection("\"x\\b\""));
1449 		assertEquals("xn", parseEscapedSubsection("\"x\\n\""));
1450 		assertEquals("xt", parseEscapedSubsection("\"x\\t\""));
1451 	}
1452 
1453 	private static void assertValueRoundTrip(String value)
1454 			throws ConfigInvalidException {
1455 		assertValueRoundTrip(value, value);
1456 	}
1457 
1458 	private static void assertValueRoundTrip(String value, String expectedEscaped)
1459 			throws ConfigInvalidException {
1460 		String escaped = Config.escapeValue(value);
1461 		assertEquals("escape failed;", expectedEscaped, escaped);
1462 		assertEquals("parse failed;", value, parseEscapedValue(escaped));
1463 	}
1464 
1465 	private static String parseEscapedValue(String escapedValue)
1466 			throws ConfigInvalidException {
1467 		String text = "[foo]\nbar=" + escapedValue;
1468 		Config c = parse(text);
1469 		return c.getString("foo", null, "bar");
1470 	}
1471 
1472 	private static void assertInvalidValue(String expectedMessage,
1473 			String escapedValue) {
1474 		try {
1475 			parseEscapedValue(escapedValue);
1476 			fail("expected ConfigInvalidException");
1477 		} catch (ConfigInvalidException e) {
1478 			assertEquals(expectedMessage, e.getMessage());
1479 		}
1480 	}
1481 
1482 	private static void assertSubsectionRoundTrip(String subsection,
1483 			String expectedEscaped) throws ConfigInvalidException {
1484 		String escaped = Config.escapeSubsection(subsection);
1485 		assertEquals("escape failed;", expectedEscaped, escaped);
1486 		assertEquals("parse failed;", subsection, parseEscapedSubsection(escaped));
1487 	}
1488 
1489 	private static String parseEscapedSubsection(String escapedSubsection)
1490 			throws ConfigInvalidException {
1491 		String text = "[foo " + escapedSubsection + "]\nbar = value";
1492 		Config c = parse(text);
1493 		Set<String> subsections = c.getSubsections("foo");
1494 		assertEquals("only one section", 1, subsections.size());
1495 		return subsections.iterator().next();
1496 	}
1497 
1498 	private static void assertIllegalArgumentException(Runnable r) {
1499 		try {
1500 			r.run();
1501 			fail("expected IllegalArgumentException");
1502 		} catch (IllegalArgumentException e) {
1503 			// Expected.
1504 		}
1505 	}
1506 
1507 	private static void assertInvalidSubsection(String expectedMessage,
1508 			String escapedSubsection) {
1509 		try {
1510 			parseEscapedSubsection(escapedSubsection);
1511 			fail("expected ConfigInvalidException");
1512 		} catch (ConfigInvalidException e) {
1513 			assertEquals(expectedMessage, e.getMessage());
1514 		}
1515 	}
1516 
1517 	private static FileBasedConfig loadConfig(File file)
1518 			throws IOException, ConfigInvalidException {
1519 		final FileBasedConfig config = new FileBasedConfig(null, file,
1520 				FS.DETECTED);
1521 		config.load();
1522 		return config;
1523 	}
1524 }