org.spearce.jgit.test/tst/org/spearce/jgit/lib/T0004_PackReader.java

   1 /*
   2  * Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com>
   3  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
   4  *
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or
   8  * without modification, are permitted provided that the following
   9  * conditions are met:
  10  *
  11  * - Redistributions of source code must retain the above copyright
  12  *   notice, this list of conditions and the following disclaimer.
  13  *
  14  * - Redistributions in binary form must reproduce the above
  15  *   copyright notice, this list of conditions and the following
  16  *   disclaimer in the documentation and/or other materials provided
  17  *   with the distribution.
  18  *
  19  * - Neither the name of the Git Development Community nor the
  20  *   names of its contributors may be used to endorse or promote
  21  *   products derived from this software without specific prior
  22  *   written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  25  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  26  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  27  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  29  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  31  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  32  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  33  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  34  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37  */
  38
  39 package org.spearce.jgit.lib;
  40
  41 import java.io.File;
  42 import java.io.IOException;
  43
  44 public class T0004_PackReader extends RepositoryTestCase {
  45         private static final String PACK_NAME = "pack-34be9032ac282b11fa9babdc2b2a93ca996c9c2f";
  46         private static final File TEST_PACK = new File(new File("tst"), PACK_NAME + ".pack");
  47         private static final File TEST_IDX = new File(TEST_PACK.getParentFile(), PACK_NAME + ".idx");
  48
  49         public void test003_lookupCompressedObject() throws IOException {
  50                 final PackFile pr;
  51                 final ObjectId id;
  52                 final PackedObjectLoader or;
  53
  54                 id = ObjectId.fromString("902d5476fa249b7abc9d84c611577a81381f0327");
  55                 pr = new PackFile(db, TEST_IDX, TEST_PACK);
  56                 or = pr.get(id);
  57                 assertNotNull(or);
  58                 assertEquals(id, or.getId());
  59                 assertEquals(Constants.OBJ_TREE, or.getType());
  60                 assertEquals(35, or.getSize());
  61                 assertEquals(7738, or.getDataOffset());
  62                 pr.close();
  63         }
  64
  65         public void test004_lookupDeltifiedObject() throws IOException {
  66                 final ObjectId id;
  67                 final ObjectLoader or;
  68
  69                 id = ObjectId.fromString("5b6e7c66c276e7610d4a73c70ec1a1f7c1003259");
  70                 or = db.openObject(id);
  71                 assertNotNull(or);
  72                 assertTrue(or instanceof PackedObjectLoader);
  73                 assertEquals(id, or.getId());
  74                 assertEquals(Constants.OBJ_BLOB, or.getType());
  75                 assertEquals(18009, or.getSize());
  76                 assertEquals(537, ((PackedObjectLoader) or).getDataOffset());
  77         }
  78
  79         public void test005_todopack() throws IOException {
  80                 final File todopack = new File(new File("tst"), "todopack");
  81                 if (!todopack.isDirectory()) {
  82                         System.err.println("Skipping " + getName() + ": no " + todopack);
  83                         return;
  84                 }
  85
  86                 final File packDir = new File(db.getObjectsDirectory(), "pack");
  87                 final String packname = "pack-2e71952edc41f3ce7921c5e5dd1b64f48204cf35";
  88                 copyFile(new File(todopack, packname + ".pack"), new File(packDir,
  89                                 packname + ".pack"));
  90                 copyFile(new File(todopack, packname + ".idx"), new File(packDir,
  91                                 packname + ".idx"));
  92                 db.scanForPacks();
  93                 Tree t;
  94
  95                 t = db
  96                                 .mapTree(ObjectId.fromString(
  97                                                 "aac9df07f653dd18b935298deb813e02c32d2e6f"));
  98                 assertNotNull(t);
  99                 t.memberCount();
 100
 101                 t = db
 102                                 .mapTree(ObjectId.fromString(
 103                                                 "6b9ffbebe7b83ac6a61c9477ab941d999f5d0c96"));
 104                 assertNotNull(t);
 105                 t.memberCount();
 106         }
 107 }