org.spearce.jgit.test/tst/org/spearce/jgit/lib/IndexDiffTest.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.File;
  43 import java.io.IOException;
  44
  45 public class IndexDiffTest extends RepositoryTestCase {
  46         public void testAdded() throws IOException {
  47                 GitIndex index = new GitIndex(db);
  48                 writeTrashFile("file1", "file1");
  49                 writeTrashFile("dir/subfile", "dir/subfile");
  50                 Tree tree = new Tree(db);
  51
  52                 index.add(trash, new File(trash, "file1"));
  53                 index.add(trash, new File(trash, "dir/subfile"));
  54                 IndexDiff diff = new IndexDiff(tree, index);
  55                 diff.diff();
  56                 assertEquals(2, diff.getAdded().size());
  57                 assertTrue(diff.getAdded().contains("file1"));
  58                 assertTrue(diff.getAdded().contains("dir/subfile"));
  59                 assertEquals(0, diff.getChanged().size());
  60                 assertEquals(0, diff.getModified().size());
  61                 assertEquals(0, diff.getRemoved().size());
  62         }
  63
  64         public void testRemoved() throws IOException {
  65                 GitIndex index = new GitIndex(db);
  66                 writeTrashFile("file2", "file2");
  67                 writeTrashFile("dir/file3", "dir/file3");
  68
  69                 Tree tree = new Tree(db);
  70                 tree.addFile("file2");
  71                 tree.addFile("dir/file3");
  72                 assertEquals(2, tree.memberCount());
  73                 tree.findBlobMember("file2").setId(ObjectId.fromString("30d67d4672d5c05833b7192cc77a79eaafb5c7ad"));
  74                 Tree tree2 = (Tree) tree.findTreeMember("dir");
  75                 tree2.findBlobMember("file3").setId(ObjectId.fromString("873fb8d667d05436d728c52b1d7a09528e6eb59b"));
  76                 tree2.setId(new ObjectWriter(db).writeTree(tree2));
  77                 tree.setId(new ObjectWriter(db).writeTree(tree));
  78
  79                 IndexDiff diff = new IndexDiff(tree, index);
  80                 diff.diff();
  81                 assertEquals(2, diff.getRemoved().size());
  82                 assertTrue(diff.getRemoved().contains("file2"));
  83                 assertTrue(diff.getRemoved().contains("dir/file3"));
  84                 assertEquals(0, diff.getChanged().size());
  85                 assertEquals(0, diff.getModified().size());
  86                 assertEquals(0, diff.getAdded().size());
  87         }
  88
  89         public void testModified() throws IOException {
  90                 GitIndex index = new GitIndex(db);
  91
  92
  93                 index.add(trash, writeTrashFile("file2", "file2"));
  94                 index.add(trash, writeTrashFile("dir/file3", "dir/file3"));
  95
  96                 writeTrashFile("dir/file3", "changed");
  97
  98                 Tree tree = new Tree(db);
  99                 tree.addFile("file2").setId(ObjectId.fromString("0123456789012345678901234567890123456789"));
 100                 tree.addFile("dir/file3").setId(ObjectId.fromString("0123456789012345678901234567890123456789"));
 101                 assertEquals(2, tree.memberCount());
 102
 103                 Tree tree2 = (Tree) tree.findTreeMember("dir");
 104                 tree2.setId(new ObjectWriter(db).writeTree(tree2));
 105                 tree.setId(new ObjectWriter(db).writeTree(tree));
 106                 IndexDiff diff = new IndexDiff(tree, index);
 107                 diff.diff();
 108                 assertEquals(2, diff.getChanged().size());
 109                 assertTrue(diff.getChanged().contains("file2"));
 110                 assertTrue(diff.getChanged().contains("dir/file3"));
 111                 assertEquals(1, diff.getModified().size());
 112                 assertTrue(diff.getModified().contains("dir/file3"));
 113                 assertEquals(0, diff.getAdded().size());
 114                 assertEquals(0, diff.getRemoved().size());
 115                 assertEquals(0, diff.getMissing().size());
 116         }
 117
 118         public void testUnchangedSimple() throws IOException {
 119                 GitIndex index = new GitIndex(db);
 120
 121                 index.add(trash, writeTrashFile("a.b", "a.b"));
 122                 index.add(trash, writeTrashFile("a.c", "a.c"));
 123                 index.add(trash, writeTrashFile("a=c", "a=c"));
 124                 index.add(trash, writeTrashFile("a=d", "a=d"));
 125
 126                 Tree tree = new Tree(db);
 127                 // got the hash id'd from the data using echo -n a.b|git hash-object -t blob --stdin
 128                 tree.addFile("a.b").setId(ObjectId.fromString("f6f28df96c2b40c951164286e08be7c38ec74851"));
 129                 tree.addFile("a.c").setId(ObjectId.fromString("6bc0e647512d2a0bef4f26111e484dc87df7f5ca"));
 130                 tree.addFile("a=c").setId(ObjectId.fromString("06022365ddbd7fb126761319633bf73517770714"));
 131                 tree.addFile("a=d").setId(ObjectId.fromString("fa6414df3da87840700e9eeb7fc261dd77ccd5c2"));
 132
 133                 tree.setId(new ObjectWriter(db).writeTree(tree));
 134
 135                 IndexDiff diff = new IndexDiff(tree, index);
 136                 diff.diff();
 137                 assertEquals(0, diff.getChanged().size());
 138                 assertEquals(0, diff.getAdded().size());
 139                 assertEquals(0, diff.getRemoved().size());
 140                 assertEquals(0, diff.getMissing().size());
 141                 assertEquals(0, diff.getModified().size());
 142         }
 143
 144         /**
 145          * This test has both files and directories that involve
 146          * the tricky ordering used by Git.
 147          *
 148          * @throws IOException
 149          */
 150         public void testUnchangedComplex() throws IOException {
 151                 GitIndex index = new GitIndex(db);
 152
 153                 index.add(trash, writeTrashFile("a.b", "a.b"));
 154                 index.add(trash, writeTrashFile("a.c", "a.c"));
 155                 index.add(trash, writeTrashFile("a/b.b/b", "a/b.b/b"));
 156                 index.add(trash, writeTrashFile("a/b", "a/b"));
 157                 index.add(trash, writeTrashFile("a/c", "a/c"));
 158                 index.add(trash, writeTrashFile("a=c", "a=c"));
 159                 index.add(trash, writeTrashFile("a=d", "a=d"));
 160
 161                 Tree tree = new Tree(db);
 162                 // got the hash id'd from the data using echo -n a.b|git hash-object -t blob --stdin
 163                 tree.addFile("a.b").setId(ObjectId.fromString("f6f28df96c2b40c951164286e08be7c38ec74851"));
 164                 tree.addFile("a.c").setId(ObjectId.fromString("6bc0e647512d2a0bef4f26111e484dc87df7f5ca"));
 165                 tree.addFile("a/b.b/b").setId(ObjectId.fromString("8d840bd4e2f3a48ff417c8e927d94996849933fd"));
 166                 tree.addFile("a/b").setId(ObjectId.fromString("db89c972fc57862eae378f45b74aca228037d415"));
 167                 tree.addFile("a/c").setId(ObjectId.fromString("52ad142a008aeb39694bafff8e8f1be75ed7f007"));
 168                 tree.addFile("a=c").setId(ObjectId.fromString("06022365ddbd7fb126761319633bf73517770714"));
 169                 tree.addFile("a=d").setId(ObjectId.fromString("fa6414df3da87840700e9eeb7fc261dd77ccd5c2"));
 170
 171                 Tree tree3 = (Tree) tree.findTreeMember("a/b.b");
 172                 tree3.setId(new ObjectWriter(db).writeTree(tree3));
 173                 Tree tree2 = (Tree) tree.findTreeMember("a");
 174                 tree2.setId(new ObjectWriter(db).writeTree(tree2));
 175                 tree.setId(new ObjectWriter(db).writeTree(tree));
 176
 177                 IndexDiff diff = new IndexDiff(tree, index);
 178                 diff.diff();
 179                 assertEquals(0, diff.getChanged().size());
 180                 assertEquals(0, diff.getAdded().size());
 181                 assertEquals(0, diff.getRemoved().size());
 182                 assertEquals(0, diff.getMissing().size());
 183                 assertEquals(0, diff.getModified().size());
 184         }
 185 }