org.spearce.jgit.test/tst/org/spearce/jgit/lib/T0003_Basic.java

   1 /*
   2  * Copyright (C) 2007, Dave Watson <dwatson@mimvista.com>
   3  * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
   4  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
   5  *
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or
   9  * without modification, are permitted provided that the following
  10  * conditions are met:
  11  *
  12  * - Redistributions of source code must retain the above copyright
  13  *   notice, this list of conditions and the following disclaimer.
  14  *
  15  * - Redistributions in binary form must reproduce the above
  16  *   copyright notice, this list of conditions and the following
  17  *   disclaimer in the documentation and/or other materials provided
  18  *   with the distribution.
  19  *
  20  * - Neither the name of the Git Development Community nor the
  21  *   names of its contributors may be used to endorse or promote
  22  *   products derived from this software without specific prior
  23  *   written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  26  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  27  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  28  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  30  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  31  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  32  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  33  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  34  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  35  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  37  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  38  */
  39
  40 package org.spearce.jgit.lib;
  41
  42 import java.io.ByteArrayInputStream;
  43 import java.io.File;
  44 import java.io.FileInputStream;
  45 import java.io.FileReader;
  46 import java.io.FileWriter;
  47 import java.io.IOException;
  48 import java.io.PrintWriter;
  49
  50 public class T0003_Basic extends RepositoryTestCase {
  51         public void test001_Initalize() {
  52                 final File gitdir = new File(trash, ".git");
  53                 final File objects = new File(gitdir, "objects");
  54                 final File objects_pack = new File(objects, "pack");
  55                 final File objects_info = new File(objects, "info");
  56                 final File refs = new File(gitdir, "refs");
  57                 final File refs_heads = new File(refs, "heads");
  58                 final File refs_tags = new File(refs, "tags");
  59                 final File HEAD = new File(gitdir, "HEAD");
  60
  61                 assertTrue("Exists " + trash, trash.isDirectory());
  62                 assertTrue("Exists " + objects, objects.isDirectory());
  63                 assertTrue("Exists " + objects_pack, objects_pack.isDirectory());
  64                 assertTrue("Exists " + objects_info, objects_info.isDirectory());
  65                 assertEquals(2, objects.listFiles().length);
  66                 assertTrue("Exists " + refs, refs.isDirectory());
  67                 assertTrue("Exists " + refs_heads, refs_heads.isDirectory());
  68                 assertTrue("Exists " + refs_tags, refs_tags.isDirectory());
  69                 assertTrue("Exists " + HEAD, HEAD.isFile());
  70                 assertEquals(23, HEAD.length());
  71         }
  72
  73         public void test002_WriteEmptyTree() throws IOException {
  74                 // One of our test packs contains the empty tree object. If the pack is
  75                 // open when we create it we won't write the object file out as a loose
  76                 // object (as it already exists in the pack).
  77                 //
  78                 db.closePacks();
  79
  80                 final Tree t = new Tree(db);
  81                 t.accept(new WriteTree(trash, db), TreeEntry.MODIFIED_ONLY);
  82                 assertEquals("4b825dc642cb6eb9a060e54bf8d69288fbee4904", t.getId()
  83                                 .toString());
  84                 final File o = new File(new File(new File(trash_git, "objects"), "4b"),
  85                                 "825dc642cb6eb9a060e54bf8d69288fbee4904");
  86                 assertTrue("Exists " + o, o.isFile());
  87                 assertTrue("Read-only " + o, !o.canWrite());
  88         }
  89
  90         public void test002_WriteEmptyTree2() throws IOException {
  91                 // File shouldn't exist as it is in a test pack.
  92                 //
  93                 final Tree t = new Tree(db);
  94                 t.accept(new WriteTree(trash, db), TreeEntry.MODIFIED_ONLY);
  95                 assertEquals("4b825dc642cb6eb9a060e54bf8d69288fbee4904", t.getId()
  96                                 .toString());
  97                 final File o = new File(new File(new File(trash_git, "objects"), "4b"),
  98                                 "825dc642cb6eb9a060e54bf8d69288fbee4904");
  99                 assertFalse("Exists " + o, o.isFile());
 100         }
 101
 102         public void test003_WriteShouldBeEmptyTree() throws IOException {
 103                 final Tree t = new Tree(db);
 104                 final ObjectId emptyId = new ObjectWriter(db).writeBlob(new byte[0]);
 105                 t.addFile("should-be-empty").setId(emptyId);
 106                 t.accept(new WriteTree(trash, db), TreeEntry.MODIFIED_ONLY);
 107                 assertEquals("7bb943559a305bdd6bdee2cef6e5df2413c3d30a", t.getId()
 108                                 .toString());
 109
 110                 File o;
 111                 o = new File(new File(new File(trash_git, "objects"), "7b"),
 112                                 "b943559a305bdd6bdee2cef6e5df2413c3d30a");
 113                 assertTrue("Exists " + o, o.isFile());
 114                 assertTrue("Read-only " + o, !o.canWrite());
 115
 116                 o = new File(new File(new File(trash_git, "objects"), "e6"),
 117                                 "9de29bb2d1d6434b8b29ae775ad8c2e48c5391");
 118                 assertTrue("Exists " + o, o.isFile());
 119                 assertTrue("Read-only " + o, !o.canWrite());
 120         }
 121
 122         public void test004_CheckNewConfig() throws IOException {
 123                 final RepositoryConfig c = db.getConfig();
 124                 assertNotNull(c);
 125                 assertEquals("0", c.getString("core", null, "repositoryformatversion"));
 126                 assertEquals("0", c.getString("CoRe", null, "REPOSITORYFoRmAtVeRsIoN"));
 127                 assertEquals("true", c.getString("core", null, "filemode"));
 128                 assertEquals("true", c.getString("cOrE", null, "fIlEModE"));
 129                 assertNull(c.getString("notavalue", null, "reallyNotAValue"));
 130                 c.load();
 131         }
 132
 133         public void test005_ReadSimpleConfig() throws IOException {
 134                 final RepositoryConfig c = db.getConfig();
 135                 assertNotNull(c);
 136                 c.load();
 137                 assertEquals("0", c.getString("core", null, "repositoryformatversion"));
 138                 assertEquals("0", c.getString("CoRe", null, "REPOSITORYFoRmAtVeRsIoN"));
 139                 assertEquals("true", c.getString("core", null, "filemode"));
 140                 assertEquals("true", c.getString("cOrE", null, "fIlEModE"));
 141                 assertNull(c.getString("notavalue", null, "reallyNotAValue"));
 142         }
 143
 144         public void test006_ReadUglyConfig() throws IOException {
 145                 final RepositoryConfig c = db.getConfig();
 146                 final File cfg = new File(db.getDirectory(), "config");
 147                 final FileWriter pw = new FileWriter(cfg);
 148                 final String configStr = "  [core];comment\n\tfilemode = yes\n"
 149                                 + "[user]\n"
 150                                 + "  email = A U Thor <thor@example.com> # Just an example...\n"
 151                                 + " name = \"A  Thor \\\\ \\\"\\t \"\n"
 152                                 + "    defaultCheckInComment = a many line\\n\\\ncomment\\n\\\n"
 153                                 + " to test\n";
 154                 pw.write(configStr);
 155                 pw.close();
 156                 c.load();
 157                 assertEquals("yes", c.getString("core", null, "filemode"));
 158                 assertEquals("A U Thor <thor@example.com>", c
 159                                 .getString("user", null, "email"));
 160                 assertEquals("A  Thor \\ \"\t ", c.getString("user", null, "name"));
 161                 assertEquals("a many line\ncomment\n to test", c.getString("user",
 162                                 null, "defaultCheckInComment"));
 163                 c.save();
 164                 final FileReader fr = new FileReader(cfg);
 165                 final char[] cbuf = new char[configStr.length()];
 166                 fr.read(cbuf);
 167                 fr.close();
 168                 assertEquals(configStr, new String(cbuf));
 169         }
 170
 171         public void test007_Open() throws IOException {
 172                 final Repository db2 = new Repository(db.getDirectory());
 173                 assertEquals(db.getDirectory(), db2.getDirectory());
 174                 assertEquals(db.getObjectsDirectory(), db2.getObjectsDirectory());
 175                 assertNotSame(db.getConfig(), db2.getConfig());
 176         }
 177
 178         public void test008_FailOnWrongVersion() throws IOException {
 179                 final File cfg = new File(db.getDirectory(), "config");
 180                 final FileWriter pw = new FileWriter(cfg);
 181                 final String badvers = "ihopethisisneveraversion";
 182                 final String configStr = "[core]\n" + "\trepositoryFormatVersion="
 183                                 + badvers + "\n";
 184                 pw.write(configStr);
 185                 pw.close();
 186
 187                 try {
 188                         new Repository(db.getDirectory());
 189                         fail("incorrectly opened a bad repository");
 190                 } catch (IOException ioe) {
 191                         assertTrue(ioe.getMessage().indexOf("format") > 0);
 192                         assertTrue(ioe.getMessage().indexOf(badvers) > 0);
 193                 }
 194         }
 195
 196         public void test009_CreateCommitOldFormat() throws IOException {
 197                 writeTrashFile(".git/config", "[core]\n" + "legacyHeaders=1\n");
 198                 db.getConfig().load();
 199
 200                 final Tree t = new Tree(db);
 201                 final FileTreeEntry f = t.addFile("i-am-a-file");
 202                 writeTrashFile(f.getName(), "and this is the data in me\n");
 203                 t.accept(new WriteTree(trash, db), TreeEntry.MODIFIED_ONLY);
 204                 assertEquals(ObjectId.fromString("00b1f73724f493096d1ffa0b0f1f1482dbb8c936"),
 205                                 t.getTreeId());
 206
 207                 final Commit c = new Commit(db);
 208                 c.setAuthor(new PersonIdent(jauthor, 1154236443000L, -4 * 60));
 209                 c.setCommitter(new PersonIdent(jcommitter, 1154236443000L, -4 * 60));
 210                 c.setMessage("A Commit\n");
 211                 c.setTree(t);
 212                 assertEquals(t.getTreeId(), c.getTreeId());
 213                 c.commit();
 214                 final ObjectId cmtid = ObjectId.fromString(
 215                                 "803aec4aba175e8ab1d666873c984c0308179099");
 216                 assertEquals(cmtid, c.getCommitId());
 217
 218                 // Verify the commit we just wrote is in the correct format.
 219                 final XInputStream xis = new XInputStream(new FileInputStream(db
 220                                 .toFile(cmtid)));
 221                 try {
 222                         assertEquals(0x78, xis.readUInt8());
 223                         assertEquals(0x9c, xis.readUInt8());
 224                         assertTrue(0x789c % 31 == 0);
 225                 } finally {
 226                         xis.close();
 227                 }
 228
 229                 // Verify we can read it.
 230                 final Commit c2 = db.mapCommit(cmtid);
 231                 assertNotNull(c2);
 232                 assertEquals(c.getMessage(), c2.getMessage());
 233                 assertEquals(c.getTreeId(), c2.getTreeId());
 234                 assertEquals(c.getAuthor(), c2.getAuthor());
 235                 assertEquals(c.getCommitter(), c2.getCommitter());
 236         }
 237
 238         public void test012_SubtreeExternalSorting() throws IOException {
 239                 final ObjectId emptyBlob = new ObjectWriter(db).writeBlob(new byte[0]);
 240                 final Tree t = new Tree(db);
 241                 final FileTreeEntry e0 = t.addFile("a-");
 242                 final FileTreeEntry e1 = t.addFile("a-b");
 243                 final FileTreeEntry e2 = t.addFile("a/b");
 244                 final FileTreeEntry e3 = t.addFile("a=");
 245                 final FileTreeEntry e4 = t.addFile("a=b");
 246
 247                 e0.setId(emptyBlob);
 248                 e1.setId(emptyBlob);
 249                 e2.setId(emptyBlob);
 250                 e3.setId(emptyBlob);
 251                 e4.setId(emptyBlob);
 252
 253                 t.accept(new WriteTree(trash, db), TreeEntry.MODIFIED_ONLY);
 254                 assertEquals(ObjectId.fromString("b47a8f0a4190f7572e11212769090523e23eb1ea"),
 255                                 t.getId());
 256         }
 257
 258         public void test020_createBlobTag() throws IOException {
 259                 final ObjectId emptyId = new ObjectWriter(db).writeBlob(new byte[0]);
 260                 final Tag t = new Tag(db);
 261                 t.setObjId(emptyId);
 262                 t.setType("blob");
 263                 t.setTag("test020");
 264                 t.setAuthor(new PersonIdent(jauthor, 1154236443000L, -4 * 60));
 265                 t.setMessage("test020 tagged\n");
 266                 t.tag();
 267                 assertEquals("6759556b09fbb4fd8ae5e315134481cc25d46954", t.getTagId().toString());
 268
 269                 Tag mapTag = db.mapTag("test020");
 270                 assertEquals("blob", mapTag.getType());
 271                 assertEquals("test020 tagged\n", mapTag.getMessage());
 272                 assertEquals(new PersonIdent(jauthor, 1154236443000L, -4 * 60), mapTag.getAuthor());
 273                 assertEquals("e69de29bb2d1d6434b8b29ae775ad8c2e48c5391", mapTag.getObjId().toString());
 274         }
 275
 276         public void test020b_createBlobPlainTag() throws IOException {
 277                 test020_createBlobTag();
 278                 Tag t = new Tag(db);
 279                 t.setTag("test020b");
 280                 t.setObjId(ObjectId.fromString("e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"));
 281                 t.tag();
 282
 283                 Tag mapTag = db.mapTag("test020b");
 284                 assertEquals("e69de29bb2d1d6434b8b29ae775ad8c2e48c5391", mapTag.getObjId().toString());
 285
 286                 // We do not repeat the plain tag test for other object types
 287         }
 288
 289         public void test021_createTreeTag() throws IOException {
 290                 final ObjectId emptyId = new ObjectWriter(db).writeBlob(new byte[0]);
 291                 final Tree almostEmptyTree = new Tree(db);
 292                 almostEmptyTree.addEntry(new FileTreeEntry(almostEmptyTree, emptyId, "empty".getBytes(), false));
 293                 final ObjectId almostEmptyTreeId = new ObjectWriter(db).writeTree(almostEmptyTree);
 294                 final Tag t = new Tag(db);
 295                 t.setObjId(almostEmptyTreeId);
 296                 t.setType("tree");
 297                 t.setTag("test021");
 298                 t.setAuthor(new PersonIdent(jauthor, 1154236443000L, -4 * 60));
 299                 t.setMessage("test021 tagged\n");
 300                 t.tag();
 301                 assertEquals("b0517bc8dbe2096b419d42424cd7030733f4abe5", t.getTagId().toString());
 302
 303                 Tag mapTag = db.mapTag("test021");
 304                 assertEquals("tree", mapTag.getType());
 305                 assertEquals("test021 tagged\n", mapTag.getMessage());
 306                 assertEquals(new PersonIdent(jauthor, 1154236443000L, -4 * 60), mapTag.getAuthor());
 307                 assertEquals("417c01c8795a35b8e835113a85a5c0c1c77f67fb", mapTag.getObjId().toString());
 308         }
 309
 310         public void test022_createCommitTag() throws IOException {
 311                 final ObjectId emptyId = new ObjectWriter(db).writeBlob(new byte[0]);
 312                 final Tree almostEmptyTree = new Tree(db);
 313                 almostEmptyTree.addEntry(new FileTreeEntry(almostEmptyTree, emptyId, "empty".getBytes(), false));
 314                 final ObjectId almostEmptyTreeId = new ObjectWriter(db).writeTree(almostEmptyTree);
 315                 final Commit almostEmptyCommit = new Commit(db);
 316                 almostEmptyCommit.setAuthor(new PersonIdent(jauthor, 1154236443000L, -2 * 60)); // not exactly the same
 317                 almostEmptyCommit.setCommitter(new PersonIdent(jauthor, 1154236443000L, -2 * 60));
 318                 almostEmptyCommit.setMessage("test022\n");
 319                 almostEmptyCommit.setTreeId(almostEmptyTreeId);
 320                 ObjectId almostEmptyCommitId = new ObjectWriter(db).writeCommit(almostEmptyCommit);
 321                 final Tag t = new Tag(db);
 322                 t.setObjId(almostEmptyCommitId);
 323                 t.setType("commit");
 324                 t.setTag("test022");
 325                 t.setAuthor(new PersonIdent(jauthor, 1154236443000L, -4 * 60));
 326                 t.setMessage("test022 tagged\n");
 327                 t.tag();
 328                 assertEquals("0ce2ebdb36076ef0b38adbe077a07d43b43e3807", t.getTagId().toString());
 329
 330                 Tag mapTag = db.mapTag("test022");
 331                 assertEquals("commit", mapTag.getType());
 332                 assertEquals("test022 tagged\n", mapTag.getMessage());
 333                 assertEquals(new PersonIdent(jauthor, 1154236443000L, -4 * 60), mapTag.getAuthor());
 334                 assertEquals("b5d3b45a96b340441f5abb9080411705c51cc86c", mapTag.getObjId().toString());
 335         }
 336
 337         public void test023_createCommitNonAnullii() throws IOException {
 338                 final ObjectId emptyId = new ObjectWriter(db).writeBlob(new byte[0]);
 339                 final Tree almostEmptyTree = new Tree(db);
 340                 almostEmptyTree.addEntry(new FileTreeEntry(almostEmptyTree, emptyId, "empty".getBytes(), false));
 341                 final ObjectId almostEmptyTreeId = new ObjectWriter(db).writeTree(almostEmptyTree);
 342                 Commit commit = new Commit(db);
 343                 commit.setTreeId(almostEmptyTreeId);
 344                 commit.setAuthor(new PersonIdent("Joe H\u00e4cker","joe@example.com",4294967295000L,60));
 345                 commit.setCommitter(new PersonIdent("Joe Hacker","joe2@example.com",4294967295000L,60));
 346                 commit.setEncoding("UTF-8");
 347                 commit.setMessage("\u00dcbergeeks");
 348                 ObjectId cid = new ObjectWriter(db).writeCommit(commit);
 349                 assertEquals("4680908112778718f37e686cbebcc912730b3154", cid.toString());
 350         }
 351
 352         public void test024_createCommitNonAscii() throws IOException {
 353                 final ObjectId emptyId = new ObjectWriter(db).writeBlob(new byte[0]);
 354                 final Tree almostEmptyTree = new Tree(db);
 355                 almostEmptyTree.addEntry(new FileTreeEntry(almostEmptyTree, emptyId, "empty".getBytes(), false));
 356                 final ObjectId almostEmptyTreeId = new ObjectWriter(db).writeTree(almostEmptyTree);
 357                 Commit commit = new Commit(db);
 358                 commit.setTreeId(almostEmptyTreeId);
 359                 commit.setAuthor(new PersonIdent("Joe H\u00e4cker","joe@example.com",4294967295000L,60));
 360                 commit.setCommitter(new PersonIdent("Joe Hacker","joe2@example.com",4294967295000L,60));
 361                 commit.setEncoding("ISO-8859-1");
 362                 commit.setMessage("\u00dcbergeeks");
 363                 ObjectId cid = new ObjectWriter(db).writeCommit(commit);
 364                 assertEquals("2979b39d385014b33287054b87f77bcb3ecb5ebf", cid.toString());
 365         }
 366
 367         public void test025_packedRefs() throws IOException {
 368                 test020_createBlobTag();
 369                 test021_createTreeTag();
 370                 test022_createCommitTag();
 371
 372                 if (!new File(db.getDirectory(),"refs/tags/test020").delete()) throw new Error("Cannot delete unpacked tag");
 373                 if (!new File(db.getDirectory(),"refs/tags/test021").delete()) throw new Error("Cannot delete unpacked tag");
 374                 if (!new File(db.getDirectory(),"refs/tags/test022").delete()) throw new Error("Cannot delete unpacked tag");
 375
 376                 // We cannot resolve it now, since we have no ref
 377                 Tag mapTag20missing = db.mapTag("test020");
 378                 assertNull(mapTag20missing);
 379
 380                 // Construct packed refs file
 381                 PrintWriter w = new PrintWriter(new FileWriter(new File(db.getDirectory(), "packed-refs")));
 382                 w.println("# packed-refs with: peeled");
 383                 w.println("6759556b09fbb4fd8ae5e315134481cc25d46954 refs/tags/test020");
 384                 w.println("^e69de29bb2d1d6434b8b29ae775ad8c2e48c5391");
 385                 w.println("b0517bc8dbe2096b419d42424cd7030733f4abe5 refs/tags/test021");
 386                 w.println("^417c01c8795a35b8e835113a85a5c0c1c77f67fb");
 387                 w.println("0ce2ebdb36076ef0b38adbe077a07d43b43e3807 refs/tags/test022");
 388                 w.println("^b5d3b45a96b340441f5abb9080411705c51cc86c");
 389                 w.close();
 390
 391                 Tag mapTag20 = db.mapTag("test020");
 392                 assertNotNull("have tag test020", mapTag20);
 393                 assertEquals("blob", mapTag20.getType());
 394                 assertEquals("test020 tagged\n", mapTag20.getMessage());
 395                 assertEquals(new PersonIdent(jauthor, 1154236443000L, -4 * 60), mapTag20.getAuthor());
 396                 assertEquals("e69de29bb2d1d6434b8b29ae775ad8c2e48c5391", mapTag20.getObjId().toString());
 397
 398                 Tag mapTag21 = db.mapTag("test021");
 399                 assertEquals("tree", mapTag21.getType());
 400                 assertEquals("test021 tagged\n", mapTag21.getMessage());
 401                 assertEquals(new PersonIdent(jauthor, 1154236443000L, -4 * 60), mapTag21.getAuthor());
 402                 assertEquals("417c01c8795a35b8e835113a85a5c0c1c77f67fb", mapTag21.getObjId().toString());
 403
 404                 Tag mapTag22 = db.mapTag("test022");
 405                 assertEquals("commit", mapTag22.getType());
 406                 assertEquals("test022 tagged\n", mapTag22.getMessage());
 407                 assertEquals(new PersonIdent(jauthor, 1154236443000L, -4 * 60), mapTag22.getAuthor());
 408                 assertEquals("b5d3b45a96b340441f5abb9080411705c51cc86c", mapTag22.getObjId().toString());
 409         }
 410
 411         public void test025_computeSha1NoStore() throws IOException {
 412                 byte[] data = "test025 some data, more than 16 bytes to get good coverage"
 413                                 .getBytes("ISO-8859-1");
 414                 // TODO: but we do not test legacy header writing
 415                 final ObjectId id = new ObjectWriter(db).computeBlobSha1(data.length,
 416                                 new ByteArrayInputStream(data));
 417                 assertEquals("4f561df5ecf0dfbd53a0dc0f37262fef075d9dde", id.toString());
 418         }
 419
 420         public void test026_CreateCommitMultipleparents() throws IOException {
 421                 db.getConfig().load();
 422
 423                 final Tree t = new Tree(db);
 424                 final FileTreeEntry f = t.addFile("i-am-a-file");
 425                 writeTrashFile(f.getName(), "and this is the data in me\n");
 426                 t.accept(new WriteTree(trash, db), TreeEntry.MODIFIED_ONLY);
 427                 assertEquals(ObjectId.fromString("00b1f73724f493096d1ffa0b0f1f1482dbb8c936"),
 428                                 t.getTreeId());
 429
 430                 final Commit c1 = new Commit(db);
 431                 c1.setAuthor(new PersonIdent(jauthor, 1154236443000L, -4 * 60));
 432                 c1.setCommitter(new PersonIdent(jcommitter, 1154236443000L, -4 * 60));
 433                 c1.setMessage("A Commit\n");
 434                 c1.setTree(t);
 435                 assertEquals(t.getTreeId(), c1.getTreeId());
 436                 c1.commit();
 437                 final ObjectId cmtid1 = ObjectId.fromString(
 438                                 "803aec4aba175e8ab1d666873c984c0308179099");
 439                 assertEquals(cmtid1, c1.getCommitId());
 440
 441                 final Commit c2 = new Commit(db);
 442                 c2.setAuthor(new PersonIdent(jauthor, 1154236443000L, -4 * 60));
 443                 c2.setCommitter(new PersonIdent(jcommitter, 1154236443000L, -4 * 60));
 444                 c2.setMessage("A Commit 2\n");
 445                 c2.setTree(t);
 446                 assertEquals(t.getTreeId(), c2.getTreeId());
 447                 c2.setParentIds(new ObjectId[] { c1.getCommitId() } );
 448                 c2.commit();
 449                 final ObjectId cmtid2 = ObjectId.fromString(
 450                                 "95d068687c91c5c044fb8c77c5154d5247901553");
 451                 assertEquals(cmtid2, c2.getCommitId());
 452
 453                 Commit rm2 = db.mapCommit(cmtid2);
 454                 assertNotSame(c2, rm2); // assert the parsed objects is not from the cache
 455                 assertEquals(c2.getAuthor(), rm2.getAuthor());
 456                 assertEquals(c2.getCommitId(), rm2.getCommitId());
 457                 assertEquals(c2.getMessage(), rm2.getMessage());
 458                 assertEquals(c2.getTree().getTreeId(), rm2.getTree().getTreeId());
 459                 assertEquals(1, rm2.getParentIds().length);
 460                 assertEquals(c1.getCommitId(), rm2.getParentIds()[0]);
 461
 462                 final Commit c3 = new Commit(db);
 463                 c3.setAuthor(new PersonIdent(jauthor, 1154236443000L, -4 * 60));
 464                 c3.setCommitter(new PersonIdent(jcommitter, 1154236443000L, -4 * 60));
 465                 c3.setMessage("A Commit 3\n");
 466                 c3.setTree(t);
 467                 assertEquals(t.getTreeId(), c3.getTreeId());
 468                 c3.setParentIds(new ObjectId[] { c1.getCommitId(), c2.getCommitId() });
 469                 c3.commit();
 470                 final ObjectId cmtid3 = ObjectId.fromString(
 471                                 "ce6e1ce48fbeeb15a83f628dc8dc2debefa066f4");
 472                 assertEquals(cmtid3, c3.getCommitId());
 473
 474                 Commit rm3 = db.mapCommit(cmtid3);
 475                 assertNotSame(c3, rm3); // assert the parsed objects is not from the cache
 476                 assertEquals(c3.getAuthor(), rm3.getAuthor());
 477                 assertEquals(c3.getCommitId(), rm3.getCommitId());
 478                 assertEquals(c3.getMessage(), rm3.getMessage());
 479                 assertEquals(c3.getTree().getTreeId(), rm3.getTree().getTreeId());
 480                 assertEquals(2, rm3.getParentIds().length);
 481                 assertEquals(c1.getCommitId(), rm3.getParentIds()[0]);
 482                 assertEquals(c2.getCommitId(), rm3.getParentIds()[1]);
 483
 484                 final Commit c4 = new Commit(db);
 485                 c4.setAuthor(new PersonIdent(jauthor, 1154236443000L, -4 * 60));
 486                 c4.setCommitter(new PersonIdent(jcommitter, 1154236443000L, -4 * 60));
 487                 c4.setMessage("A Commit 4\n");
 488                 c4.setTree(t);
 489                 assertEquals(t.getTreeId(), c3.getTreeId());
 490                 c4.setParentIds(new ObjectId[] { c1.getCommitId(), c2.getCommitId(), c3.getCommitId() });
 491                 c4.commit();
 492                 final ObjectId cmtid4 = ObjectId.fromString(
 493                                 "d1fca9fe3fef54e5212eb67902c8ed3e79736e27");
 494                 assertEquals(cmtid4, c4.getCommitId());
 495
 496                 Commit rm4 = db.mapCommit(cmtid4);
 497                 assertNotSame(c4, rm3); // assert the parsed objects is not from the cache
 498                 assertEquals(c4.getAuthor(), rm4.getAuthor());
 499                 assertEquals(c4.getCommitId(), rm4.getCommitId());
 500                 assertEquals(c4.getMessage(), rm4.getMessage());
 501                 assertEquals(c4.getTree().getTreeId(), rm4.getTree().getTreeId());
 502                 assertEquals(3, rm4.getParentIds().length);
 503                 assertEquals(c1.getCommitId(), rm4.getParentIds()[0]);
 504                 assertEquals(c2.getCommitId(), rm4.getParentIds()[1]);
 505                 assertEquals(c3.getCommitId(), rm4.getParentIds()[2]);
 506         }
 507
 508         public void test027_UnpackedRefHigherPriorityThanPacked() throws IOException {
 509                 PrintWriter writer = new PrintWriter(new FileWriter(new File(db.getDirectory(), "refs/heads/a")));
 510                 String unpackedId = "7f822839a2fe9760f386cbbbcb3f92c5fe81def7";
 511                 writer.println(unpackedId);
 512                 writer.close();
 513
 514                 ObjectId resolved = db.resolve("refs/heads/a");
 515                 assertEquals(unpackedId, resolved.toString());
 516         }
 517
 518         public void test028_LockPackedRef() throws IOException {
 519                 writeTrashFile(".git/packed-refs", "7f822839a2fe9760f386cbbbcb3f92c5fe81def7 refs/heads/foobar");
 520                 writeTrashFile(".git/HEAD", "ref: refs/heads/foobar\n");
 521
 522                 ObjectId resolve = db.resolve("HEAD");
 523                 assertEquals("7f822839a2fe9760f386cbbbcb3f92c5fe81def7", resolve.toString());
 524
 525                 RefUpdate lockRef = db.updateRef("HEAD");
 526                 ObjectId newId = ObjectId.fromString("07f822839a2fe9760f386cbbbcb3f92c5fe81def");
 527                 lockRef.setNewObjectId(newId);
 528                 assertEquals(RefUpdate.Result.FORCED, lockRef.forceUpdate());
 529
 530                 assertTrue(new File(db.getDirectory(), "refs/heads/foobar").exists());
 531                 assertEquals(newId, db.resolve("refs/heads/foobar"));
 532
 533                 // Again. The ref already exists
 534                 RefUpdate lockRef2 = db.updateRef("HEAD");
 535                 ObjectId newId2 = ObjectId.fromString("7f822839a2fe9760f386cbbbcb3f92c5fe81def7");
 536                 lockRef2.setNewObjectId(newId2);
 537                 assertEquals(RefUpdate.Result.FORCED, lockRef2.forceUpdate());
 538
 539                 assertTrue(new File(db.getDirectory(), "refs/heads/foobar").exists());
 540                 assertEquals(newId2, db.resolve("refs/heads/foobar"));
 541         }
 542
 543         public void test029_mapObject() throws IOException {
 544                 assertEquals(new byte[0].getClass(), db.mapObject(ObjectId.fromString("5b6e7c66c276e7610d4a73c70ec1a1f7c1003259"), null).getClass());
 545                 assertEquals(Commit.class, db.mapObject(ObjectId.fromString("540a36d136cf413e4b064c2b0e0a4db60f77feab"), null).getClass());
 546                 assertEquals(Tree.class, db.mapObject(ObjectId.fromString("aabf2ffaec9b497f0950352b3e582d73035c2035"), null).getClass());
 547                 assertEquals(Tag.class, db.mapObject(ObjectId.fromString("17768080a2318cd89bba4c8b87834401e2095703"), null).getClass());
 548
 549         }
 550 }