/*
* Copyright (C) 2007, Dave Watson <dwatson@mimvista.com>
* Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Git Development Community nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.spearce.jgit.lib;
import java.io.File;
import java.io.IOException;
public class IndexDiffTest extends RepositoryTestCase {
public void testAdded() throws IOException {
GitIndex index = new GitIndex(db);
writeTrashFile("file1", "file1");
writeTrashFile("dir/subfile", "dir/subfile");
Tree tree = new Tree(db);
index.add(trash, new File(trash, "file1"));
index.add(trash, new File(trash, "dir/subfile"));
IndexDiff diff = new IndexDiff(tree, index);
diff.diff();
assertEquals(2, diff.getAdded().size());
assertTrue(diff.getAdded().contains("file1"));
assertTrue(diff.getAdded().contains("dir/subfile"));
assertEquals(0, diff.getChanged().size());
assertEquals(0, diff.getModified().size());
assertEquals(0, diff.getRemoved().size());
}
public void testRemoved() throws IOException {
GitIndex index = new GitIndex(db);
writeTrashFile("file2", "file2");
writeTrashFile("dir/file3", "dir/file3");
Tree tree = new Tree(db);
tree.addFile("file2");
tree.addFile("dir/file3");
assertEquals(2, tree.memberCount());
tree.findBlobMember("file2").setId(ObjectId.fromString("30d67d4672d5c05833b7192cc77a79eaafb5c7ad"));
Tree tree2 = (Tree) tree.findTreeMember("dir");
tree2.findBlobMember("file3").setId(ObjectId.fromString("873fb8d667d05436d728c52b1d7a09528e6eb59b"));
tree2.setId(new ObjectWriter(db).writeTree(tree2));
tree.setId(new ObjectWriter(db).writeTree(tree));
IndexDiff diff = new IndexDiff(tree, index);
diff.diff();
assertEquals(2, diff.getRemoved().size());
assertTrue(diff.getRemoved().contains("file2"));
assertTrue(diff.getRemoved().contains("dir/file3"));
assertEquals(0, diff.getChanged().size());
assertEquals(0, diff.getModified().size());
assertEquals(0, diff.getAdded().size());
}
public void testModified() throws IOException {
GitIndex index = new GitIndex(db);
index.add(trash, writeTrashFile("file2", "file2"));
index.add(trash, writeTrashFile("dir/file3", "dir/file3"));
writeTrashFile("dir/file3", "changed");
Tree tree = new Tree(db);
tree.addFile("file2").setId(ObjectId.fromString("0123456789012345678901234567890123456789"));
tree.addFile("dir/file3").setId(ObjectId.fromString("0123456789012345678901234567890123456789"));
assertEquals(2, tree.memberCount());
Tree tree2 = (Tree) tree.findTreeMember("dir");
tree2.setId(new ObjectWriter(db).writeTree(tree2));
tree.setId(new ObjectWriter(db).writeTree(tree));
IndexDiff diff = new IndexDiff(tree, index);
diff.diff();
assertEquals(2, diff.getChanged().size());
assertTrue(diff.getChanged().contains("file2"));
assertTrue(diff.getChanged().contains("dir/file3"));
assertEquals(1, diff.getModified().size());
assertTrue(diff.getModified().contains("dir/file3"));
assertEquals(0, diff.getAdded().size());
assertEquals(0, diff.getRemoved().size());
assertEquals(0, diff.getMissing().size());
}
public void testUnchangedSimple() throws IOException {
GitIndex index = new GitIndex(db);
index.add(trash, writeTrashFile("a.b", "a.b"));
index.add(trash, writeTrashFile("a.c", "a.c"));
index.add(trash, writeTrashFile("a=c", "a=c"));
index.add(trash, writeTrashFile("a=d", "a=d"));
Tree tree = new Tree(db);
// got the hash id'd from the data using echo -n a.b|git hash-object -t blob --stdin
tree.addFile("a.b").setId(ObjectId.fromString("f6f28df96c2b40c951164286e08be7c38ec74851"));
tree.addFile("a.c").setId(ObjectId.fromString("6bc0e647512d2a0bef4f26111e484dc87df7f5ca"));
tree.addFile("a=c").setId(ObjectId.fromString("06022365ddbd7fb126761319633bf73517770714"));
tree.addFile("a=d").setId(ObjectId.fromString("fa6414df3da87840700e9eeb7fc261dd77ccd5c2"));
tree.setId(new ObjectWriter(db).writeTree(tree));
IndexDiff diff = new IndexDiff(tree, index);
diff.diff();
assertEquals(0, diff.getChanged().size());
assertEquals(0, diff.getAdded().size());
assertEquals(0, diff.getRemoved().size());
assertEquals(0, diff.getMissing().size());
assertEquals(0, diff.getModified().size());
}
/**
* This test has both files and directories that involve
* the tricky ordering used by Git.
*
* @throws IOException
*/
public void testUnchangedComplex() throws IOException {
GitIndex index = new GitIndex(db);
index.add(trash, writeTrashFile("a.b", "a.b"));
index.add(trash, writeTrashFile("a.c", "a.c"));
index.add(trash, writeTrashFile("a/b.b/b", "a/b.b/b"));
index.add(trash, writeTrashFile("a/b", "a/b"));
index.add(trash, writeTrashFile("a/c", "a/c"));
index.add(trash, writeTrashFile("a=c", "a=c"));
index.add(trash, writeTrashFile("a=d", "a=d"));
Tree tree = new Tree(db);
// got the hash id'd from the data using echo -n a.b|git hash-object -t blob --stdin
tree.addFile("a.b").setId(ObjectId.fromString("f6f28df96c2b40c951164286e08be7c38ec74851"));
tree.addFile("a.c").setId(ObjectId.fromString("6bc0e647512d2a0bef4f26111e484dc87df7f5ca"));
tree.addFile("a/b.b/b").setId(ObjectId.fromString("8d840bd4e2f3a48ff417c8e927d94996849933fd"));
tree.addFile("a/b").setId(ObjectId.fromString("db89c972fc57862eae378f45b74aca228037d415"));
tree.addFile("a/c").setId(ObjectId.fromString("52ad142a008aeb39694bafff8e8f1be75ed7f007"));
tree.addFile("a=c").setId(ObjectId.fromString("06022365ddbd7fb126761319633bf73517770714"));
tree.addFile("a=d").setId(ObjectId.fromString("fa6414df3da87840700e9eeb7fc261dd77ccd5c2"));
Tree tree3 = (Tree) tree.findTreeMember("a/b.b");
tree3.setId(new ObjectWriter(db).writeTree(tree3));
Tree tree2 = (Tree) tree.findTreeMember("a");
tree2.setId(new ObjectWriter(db).writeTree(tree2));
tree.setId(new ObjectWriter(db).writeTree(tree));
IndexDiff diff = new IndexDiff(tree, index);
diff.diff();
assertEquals(0, diff.getChanged().size());
assertEquals(0, diff.getAdded().size());
assertEquals(0, diff.getRemoved().size());
assertEquals(0, diff.getMissing().size());
assertEquals(0, diff.getModified().size());
}
}