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

   1 /*
   2  * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
   3  * Copyright (C) 2007, 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.FileInputStream;
  43 import java.io.FileOutputStream;
  44 import java.io.IOException;
  45 import java.io.InputStreamReader;
  46 import java.io.OutputStreamWriter;
  47 import java.io.Reader;
  48
  49 import junit.framework.TestCase;
  50
  51 public abstract class RepositoryTestCase extends TestCase {
  52
  53         protected final File trashParent = new File("trash");
  54
  55         protected File trash;
  56
  57         protected File trash_git;
  58
  59         protected static final PersonIdent jauthor;
  60
  61         protected static final PersonIdent jcommitter;
  62
  63         static {
  64                 jauthor = new PersonIdent("J. Author", "jauthor@example.com");
  65                 jcommitter = new PersonIdent("J. Committer", "jcommitter@example.com");
  66         }
  67
  68         protected static void recursiveDelete(final File dir) {
  69                 final File[] ls = dir.listFiles();
  70                 if (ls != null) {
  71                         for (int k = 0; k < ls.length; k++) {
  72                                 final File e = ls[k];
  73                                 if (e.isDirectory()) {
  74                                         recursiveDelete(e);
  75                                 } else {
  76                                         e.delete();
  77                                 }
  78                         }
  79                 }
  80                 dir.delete();
  81                 if (dir.exists()) {
  82                         System.out.println("Warning: Failed to delete " + dir);
  83                 }
  84         }
  85
  86         protected static void copyFile(final File src, final File dst)
  87                         throws IOException {
  88                 final FileInputStream fis = new FileInputStream(src);
  89                 final FileOutputStream fos = new FileOutputStream(dst);
  90                 final byte[] buf = new byte[4096];
  91                 int r;
  92                 while ((r = fis.read(buf)) > 0) {
  93                         fos.write(buf, 0, r);
  94                 }
  95                 fis.close();
  96                 fos.close();
  97         }
  98
  99         protected File writeTrashFile(final String name, final String data)
 100                         throws IOException {
 101                 File tf = new File(trash, name);
 102                 File tfp = tf.getParentFile();
 103                 if (!tfp.exists() && !tf.getParentFile().mkdirs())
 104                         throw new Error("Could not create directory " + tf.getParentFile());
 105                 final OutputStreamWriter fw = new OutputStreamWriter(
 106                                 new FileOutputStream(tf), "UTF-8");
 107                 fw.write(data);
 108                 fw.close();
 109                 return tf;
 110         }
 111
 112         protected static void checkFile(File f, final String checkData)
 113                         throws IOException {
 114                 Reader r = new InputStreamReader(new FileInputStream(f), "ISO-8859-1");
 115                 char[] data = new char[(int) f.length()];
 116                 if (f.length() !=  r.read(data))
 117                         throw new IOException("Internal error reading file data from "+f);
 118                 assertEquals(checkData, new String(data));
 119         }
 120
 121         protected Repository db;
 122
 123         public void setUp() throws Exception {
 124                 super.setUp();
 125                 recursiveDelete(trashParent);
 126                 trash = new File(trashParent,"trash"+System.currentTimeMillis());
 127                 trash_git = new File(trash, ".git");
 128
 129                 Runtime.getRuntime().addShutdownHook(new Thread() {
 130                         @Override
 131                         public void run() {
 132                                 recursiveDelete(trashParent);
 133                         }
 134                 });
 135
 136                 db = new Repository(trash_git);
 137                 db.create();
 138
 139                 final String[] packs = {
 140                                 "pack-34be9032ac282b11fa9babdc2b2a93ca996c9c2f",
 141                                 "pack-df2982f284bbabb6bdb59ee3fcc6eb0983e20371",
 142                                 "pack-9fb5b411fe6dfa89cc2e6b89d2bd8e5de02b5745",
 143                                 "pack-e6d07037cbcf13376308a0a995d1fa48f8f76aaa"
 144                 };
 145                 final File tst = new File("tst");
 146                 final File packDir = new File(db.getObjectsDirectory(), "pack");
 147                 for (int k = 0; k < packs.length; k++) {
 148                         copyFile(new File(tst, packs[k] + ".pack"), new File(packDir,
 149                                         packs[k] + ".pack"));
 150                         copyFile(new File(tst, packs[k] + ".idx"), new File(packDir,
 151                                         packs[k] + ".idx"));
 152                 }
 153
 154                 copyFile(new File(tst, "packed-refs"), new File(trash_git,"packed-refs"));
 155
 156                 db.scanForPacks();
 157         }
 158
 159         protected void tearDown() throws Exception {
 160                 db.close();
 161                 super.tearDown();
 162         }
 163
 164         /**
 165          * Helper for creating extra empty repos
 166          *
 167          * @return a new empty git repository for testing purposes
 168          *
 169          * @throws IOException
 170          */
 171         protected Repository createNewEmptyRepo() throws IOException {
 172                 File newTestRepo = new File(trashParent, "new"+System.currentTimeMillis()+"/.git");
 173                 assertFalse(newTestRepo.exists());
 174                 File unusedDir = new File(trashParent, "tmp"+System.currentTimeMillis());
 175                 assertTrue(unusedDir.mkdirs());
 176                 final Repository newRepo = new Repository(newTestRepo);
 177                 newRepo.create();
 178                 return newRepo;
 179         }
 180
 181 }