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47 package org.eclipse.jgit.lib;
48
49 import static org.junit.Assert.assertEquals;
50 import static org.junit.Assert.assertFalse;
51 import static org.junit.Assert.assertNull;
52 import static org.junit.Assert.assertSame;
53 import static org.junit.Assert.assertTrue;
54 import static org.junit.Assert.fail;
55
56 import java.io.IOException;
57
58 import org.eclipse.jgit.api.Git;
59 import org.eclipse.jgit.errors.AmbiguousObjectException;
60 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
61 import org.eclipse.jgit.errors.RevisionSyntaxException;
62 import org.eclipse.jgit.revwalk.RevCommit;
63 import org.eclipse.jgit.test.resources.SampleDataRepositoryTestCase;
64 import org.junit.Test;
65
66 public class RepositoryResolveTest extends SampleDataRepositoryTestCase {
67
68 @Test
69 public void testObjectId_existing() throws IOException {
70 assertEquals("49322bb17d3acc9146f98c97d078513228bbf3c0",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0").name());
71 }
72
73 @Test
74 public void testObjectId_nonexisting() throws IOException {
75 assertEquals("49322bb17d3acc9146f98c97d078513228bbf3c1",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c1").name());
76 }
77
78 @Test
79 public void testObjectId_objectid_implicit_firstparent() throws IOException {
80 assertEquals("6e1475206e57110fcef4b92320436c1e9872a322",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^").name());
81 assertEquals("1203b03dc816ccbb67773f28b3c19318654b0bc8",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^^").name());
82 assertEquals("bab66b48f836ed950c99134ef666436fb07a09a0",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^^^").name());
83 }
84
85 @Test
86 public void testObjectId_objectid_self() throws IOException {
87 assertEquals("49322bb17d3acc9146f98c97d078513228bbf3c0",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^0").name());
88 assertEquals("49322bb17d3acc9146f98c97d078513228bbf3c0",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^0^0").name());
89 assertEquals("49322bb17d3acc9146f98c97d078513228bbf3c0",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^0^0^0").name());
90 }
91
92 @Test
93 public void testObjectId_objectid_explicit_firstparent() throws IOException {
94 assertEquals("6e1475206e57110fcef4b92320436c1e9872a322",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^1").name());
95 assertEquals("1203b03dc816ccbb67773f28b3c19318654b0bc8",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^1^1").name());
96 assertEquals("bab66b48f836ed950c99134ef666436fb07a09a0",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^1^1^1").name());
97 }
98
99 @Test
100 public void testObjectId_objectid_explicit_otherparents() throws IOException {
101 assertEquals("6e1475206e57110fcef4b92320436c1e9872a322",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^1").name());
102 assertEquals("f73b95671f326616d66b2afb3bdfcdbbce110b44",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^2").name());
103 assertEquals("d0114ab8ac326bab30e3a657a0397578c5a1af88",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^3").name());
104 assertEquals("d0114ab8ac326bab30e3a657a0397578c5a1af88",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^03").name());
105 }
106
107 @Test
108 public void testObjectId_objectid_invalid_explicit_parent() throws IOException {
109 assertEquals("42e4e7c5e507e113ebbb7801b16b52cf867b7ce1",db.resolve("6462e7d8024396b14d7651e2ec11e2bbf07a05c4^1").name());
110 assertNull(db.resolve("6462e7d8024396b14d7651e2ec11e2bbf07a05c4^2"));
111 assertEquals("42e4e7c5e507e113ebbb7801b16b52cf867b7ce1",db.resolve("42e4e7c5e507e113ebbb7801b16b52cf867b7ce1^0").name());
112 assertNull(db.resolve("42e4e7c5e507e113ebbb7801b16b52cf867b7ce1^1"));
113 assertNull(db.resolve("42e4e7c5e507e113ebbb7801b16b52cf867b7ce1^2"));
114 }
115
116 @Test
117 public void testRef_refname() throws IOException {
118 assertEquals("49322bb17d3acc9146f98c97d078513228bbf3c0",db.resolve("master^0").name());
119 assertEquals("6e1475206e57110fcef4b92320436c1e9872a322",db.resolve("master^").name());
120 assertEquals("6e1475206e57110fcef4b92320436c1e9872a322",db.resolve("refs/heads/master^1").name());
121 }
122
123 @Test
124 public void testDistance() throws IOException {
125 assertEquals("49322bb17d3acc9146f98c97d078513228bbf3c0",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0~0").name());
126 assertEquals("6e1475206e57110fcef4b92320436c1e9872a322",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0~1").name());
127 assertEquals("1203b03dc816ccbb67773f28b3c19318654b0bc8",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0~2").name());
128 assertEquals("bab66b48f836ed950c99134ef666436fb07a09a0",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0~3").name());
129 assertEquals("bab66b48f836ed950c99134ef666436fb07a09a0",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0~03").name());
130 assertEquals("6e1475206e57110fcef4b92320436c1e9872a322",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0~").name());
131 assertEquals("1203b03dc816ccbb67773f28b3c19318654b0bc8",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0~~").name());
132 assertEquals("bab66b48f836ed950c99134ef666436fb07a09a0",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0~~~").name());
133 assertEquals("1203b03dc816ccbb67773f28b3c19318654b0bc8",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0~~1").name());
134 assertEquals("1203b03dc816ccbb67773f28b3c19318654b0bc8",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0~~~0").name());
135 }
136
137 @Test
138 public void testDistance_past_root() throws IOException {
139 assertEquals("42e4e7c5e507e113ebbb7801b16b52cf867b7ce1",db.resolve("6462e7d8024396b14d7651e2ec11e2bbf07a05c4~1").name());
140 assertNull(db.resolve("6462e7d8024396b14d7651e2ec11e2bbf07a05c4~~"));
141 assertNull(db.resolve("6462e7d8024396b14d7651e2ec11e2bbf07a05c4^^"));
142 assertNull(db.resolve("6462e7d8024396b14d7651e2ec11e2bbf07a05c4~2"));
143 assertNull(db.resolve("6462e7d8024396b14d7651e2ec11e2bbf07a05c4~99"));
144 assertNull(db.resolve("42e4e7c5e507e113ebbb7801b16b52cf867b7ce1~~"));
145 assertNull(db.resolve("42e4e7c5e507e113ebbb7801b16b52cf867b7ce1^^"));
146 assertNull(db.resolve("42e4e7c5e507e113ebbb7801b16b52cf867b7ce1~2"));
147 assertNull(db.resolve("42e4e7c5e507e113ebbb7801b16b52cf867b7ce1~99"));
148 assertEquals("42e4e7c5e507e113ebbb7801b16b52cf867b7ce1",db.resolve("master~6").name());
149 assertNull(db.resolve("master~7"));
150 assertNull(db.resolve("master~6~"));
151 }
152
153 @Test
154 public void testTree() throws IOException {
155 assertEquals("6020a3b8d5d636e549ccbd0c53e2764684bb3125",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^{tree}").name());
156 assertEquals("02ba32d3649e510002c21651936b7077aa75ffa9",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^^{tree}").name());
157 }
158
159 @Test
160 public void testHEAD() throws IOException {
161 assertEquals("6020a3b8d5d636e549ccbd0c53e2764684bb3125",db.resolve("HEAD^{tree}").name());
162 }
163
164 @Test
165 public void testDerefCommit() throws IOException {
166 assertEquals("49322bb17d3acc9146f98c97d078513228bbf3c0",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^{}").name());
167 assertEquals("49322bb17d3acc9146f98c97d078513228bbf3c0",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^{commit}").name());
168
169 assertEquals("6020a3b8d5d636e549ccbd0c53e2764684bb3125",db.resolve("49322bb17d3acc9146f98c97d078513228bbf3c0^{commit}^{tree}").name());
170 }
171
172 @Test
173 public void testDerefTag() throws IOException {
174 assertEquals("17768080a2318cd89bba4c8b87834401e2095703",db.resolve("refs/tags/B").name());
175 assertEquals("d86a2aada2f5e7ccf6f11880bfb9ab404e8a8864",db.resolve("refs/tags/B^{commit}").name());
176 assertEquals("032c063ce34486359e3ee3d4f9e5c225b9e1a4c2",db.resolve("refs/tags/B10th").name());
177 assertEquals("d86a2aada2f5e7ccf6f11880bfb9ab404e8a8864",db.resolve("refs/tags/B10th^{commit}").name());
178 assertEquals("d86a2aada2f5e7ccf6f11880bfb9ab404e8a8864",db.resolve("refs/tags/B10th^{}").name());
179 assertEquals("d86a2aada2f5e7ccf6f11880bfb9ab404e8a8864",db.resolve("refs/tags/B10th^0").name());
180 assertEquals("d86a2aada2f5e7ccf6f11880bfb9ab404e8a8864",db.resolve("refs/tags/B10th~0").name());
181 assertEquals("0966a434eb1a025db6b71485ab63a3bfbea520b6",db.resolve("refs/tags/B10th^").name());
182 assertEquals("2c349335b7f797072cf729c4f3bb0914ecb6dec9",db.resolve("refs/tags/B10th^^").name());
183 assertEquals("0966a434eb1a025db6b71485ab63a3bfbea520b6",db.resolve("refs/tags/B10th^1").name());
184 assertEquals("0966a434eb1a025db6b71485ab63a3bfbea520b6",db.resolve("refs/tags/B10th~1").name());
185 assertEquals("2c349335b7f797072cf729c4f3bb0914ecb6dec9",db.resolve("refs/tags/B10th~2").name());
186 assertEquals("2c349335b7f797072cf729c4f3bb0914ecb6dec9",db.resolve("refs/tags/B10th^~1").name());
187 }
188
189 @Test
190 public void testDerefBlob() throws IOException {
191 assertEquals("fd608fbe625a2b456d9f15c2b1dc41f252057dd7",db.resolve("spearce-gpg-pub^{}").name());
192 assertEquals("fd608fbe625a2b456d9f15c2b1dc41f252057dd7",db.resolve("spearce-gpg-pub^{blob}").name());
193 assertEquals("fd608fbe625a2b456d9f15c2b1dc41f252057dd7",db.resolve("fd608fbe625a2b456d9f15c2b1dc41f252057dd7^{}").name());
194 assertEquals("fd608fbe625a2b456d9f15c2b1dc41f252057dd7",db.resolve("fd608fbe625a2b456d9f15c2b1dc41f252057dd7^{blob}").name());
195 }
196
197 @Test
198 public void testDerefTree() throws IOException {
199 assertEquals("032c063ce34486359e3ee3d4f9e5c225b9e1a4c2",db.resolve("refs/tags/B10th").name());
200 assertEquals("856ec208ae6cadac25a6d74f19b12bb27a24fe24",db.resolve("032c063ce34486359e3ee3d4f9e5c225b9e1a4c2^{tree}").name());
201 assertEquals("856ec208ae6cadac25a6d74f19b12bb27a24fe24",db.resolve("refs/tags/B10th^{tree}").name());
202 }
203
204 @Test
205 public void testParseGitDescribeOutput() throws IOException {
206 ObjectId exp = db.resolve("b");
207 assertEquals(exp, db.resolve("B-g7f82283"));
208 assertEquals(exp, db.resolve("B-6-g7f82283"));
209
210 assertEquals(exp, db.resolve("B-6-g7f82283^0"));
211 assertEquals(exp, db.resolve("B-6-g7f82283^{commit}"));
212
213 try {
214 db.resolve("B-6-g7f82283^{blob}");
215 fail("expected IncorrectObjectTypeException");
216 } catch (IncorrectObjectTypeException badType) {
217
218 }
219
220 assertEquals(db.resolve("b^1"), db.resolve("B-6-g7f82283^1"));
221 assertEquals(db.resolve("b~2"), db.resolve("B-6-g7f82283~2"));
222 }
223
224 @Test
225 public void testParseNonGitDescribe() throws IOException {
226 ObjectId id = id("49322bb17d3acc9146f98c97d078513228bbf3c0");
227 RefUpdate ru = db.updateRef("refs/heads/foo-g032c");
228 ru.setNewObjectId(id);
229 assertSame(RefUpdate.Result.NEW, ru.update());
230
231 assertEquals(id, db.resolve("refs/heads/foo-g032c"));
232 assertEquals(id, db.resolve("foo-g032c"));
233 assertNull(db.resolve("foo-g032"));
234 assertNull(db.resolve("foo-g03"));
235 assertNull(db.resolve("foo-g0"));
236 assertNull(db.resolve("foo-g"));
237
238 ru = db.updateRef("refs/heads/foo-g032c-dev");
239 ru.setNewObjectId(id);
240 assertSame(RefUpdate.Result.NEW, ru.update());
241
242 assertEquals(id, db.resolve("refs/heads/foo-g032c-dev"));
243 assertEquals(id, db.resolve("foo-g032c-dev"));
244 }
245
246 @Test
247 public void testParseLookupPath() throws IOException {
248 ObjectId b2_txt = id("10da5895682013006950e7da534b705252b03be6");
249 ObjectId b3_b2_txt = id("e6bfff5c1d0f0ecd501552b43a1e13d8008abc31");
250 ObjectId b_root = id("acd0220f06f7e4db50ea5ba242f0dfed297b27af");
251 ObjectId master_txt = id("82b1d08466e9505f8666b778744f9a3471a70c81");
252
253 assertEquals(b2_txt, db.resolve("b:b/b2.txt"));
254 assertEquals(b_root, db.resolve("b:"));
255 assertEquals(id("6020a3b8d5d636e549ccbd0c53e2764684bb3125"),
256 db.resolve("master:"));
257 assertEquals(id("10da5895682013006950e7da534b705252b03be6"),
258 db.resolve("master:b/b2.txt"));
259 assertEquals(master_txt, db.resolve(":master.txt"));
260 assertEquals(b3_b2_txt, db.resolve("b~3:b/b2.txt"));
261
262 assertNull("no FOO", db.resolve("b:FOO"));
263 assertNull("no b/FOO", db.resolve("b:b/FOO"));
264 assertNull("no b/FOO", db.resolve(":b/FOO"));
265 assertNull("no not-a-branch:", db.resolve("not-a-branch:"));
266 }
267
268 @Test
269 public void resolveExprSimple() throws Exception {
270 try (Git git = new Git(db)) {
271 writeTrashFile("file.txt", "content");
272 git.add().addFilepattern("file.txt").call();
273 git.commit().setMessage("create file").call();
274 assertEquals("master", db.simplify("master"));
275 assertEquals("refs/heads/master", db.simplify("refs/heads/master"));
276 assertEquals("HEAD", db.simplify("HEAD"));
277 }
278 }
279
280 @Test
281 public void resolveUpstream() throws Exception {
282 try (Git git = new Git(db)) {
283 writeTrashFile("file.txt", "content");
284 git.add().addFilepattern("file.txt").call();
285 RevCommit c1 = git.commit().setMessage("create file").call();
286 writeTrashFile("file2.txt", "content");
287 RefUpdate updateRemoteRef = db.updateRef("refs/remotes/origin/main");
288 updateRemoteRef.setNewObjectId(c1);
289 updateRemoteRef.update();
290 db.getConfig().setString("branch", "master", "remote", "origin");
291 db.getConfig()
292 .setString("branch", "master", "merge", "refs/heads/main");
293 db.getConfig().setString("remote", "origin", "url",
294 "git://example.com/here");
295 db.getConfig().setString("remote", "origin", "fetch",
296 "+refs/heads/*:refs/remotes/origin/*");
297 git.add().addFilepattern("file2.txt").call();
298 git.commit().setMessage("create file").call();
299 assertEquals("refs/remotes/origin/main", db.simplify("@{upstream}"));
300 }
301 }
302
303 @Test
304 public void invalidNames() throws AmbiguousObjectException, IOException {
305 assertTrue(Repository.isValidRefName("x/a"));
306 assertTrue(Repository.isValidRefName("x/a.b"));
307 assertTrue(Repository.isValidRefName("x/a@b"));
308 assertTrue(Repository.isValidRefName("x/a@b{x}"));
309 assertTrue(Repository.isValidRefName("x/a/b"));
310 assertTrue(Repository.isValidRefName("x/a]b"));
311 assertTrue(Repository.isValidRefName("x/\u00a0"));
312
313 assertFalse(Repository.isValidRefName("x/.a"));
314 assertFalse(Repository.isValidRefName("x/a."));
315 assertFalse(Repository.isValidRefName("x/a..b"));
316 assertFalse(Repository.isValidRefName("x//a"));
317 assertFalse(Repository.isValidRefName("x/a/"));
318 assertFalse(Repository.isValidRefName("x/a//b"));
319 assertFalse(Repository.isValidRefName("x/a[b"));
320 assertFalse(Repository.isValidRefName("x/a^b"));
321 assertFalse(Repository.isValidRefName("x/a*b"));
322 assertFalse(Repository.isValidRefName("x/a?b"));
323 assertFalse(Repository.isValidRefName("x/a~1"));
324 assertFalse(Repository.isValidRefName("x/a\\b"));
325 assertFalse(Repository.isValidRefName("x/a\u0000"));
326
327 assertUnparseable(".");
328 assertUnparseable("x@{3");
329 assertUnparseable("x[b");
330 assertUnparseable("x y");
331 assertUnparseable("x.");
332 assertUnparseable(".x");
333 assertUnparseable("a..b");
334 assertUnparseable("x\\b");
335 assertUnparseable("a~b");
336 assertUnparseable("a^b");
337 assertUnparseable("a\u0000");
338 }
339
340 private void assertUnparseable(String s) throws AmbiguousObjectException,
341 IOException {
342 try {
343 db.resolve(s);
344 fail("'" + s + "' should be unparseable");
345 } catch (RevisionSyntaxException e) {
346
347 }
348 }
349
350 private static ObjectId id(String name) {
351 return ObjectId.fromString(name);
352 }
353 }