@Test
public void testStageState_mergeAndReset_bug() throws Exception {
try (Git git = new Git(db)) {
writeTrashFile("a", "content");
git.add().addFilepattern("a").call();
RevCommit initialCommit = git.commit().setMessage("initial commit").call();
// create branch and add a new file
final String branchName = Constants.R_HEADS + "branch";
createBranch(initialCommit, branchName);
checkoutBranch(branchName);
writeTrashFile("b", "second file content - branch");
git.add().addFilepattern("b").call();
RevCommit branchCommit = git.commit().setMessage("branch commit").call();
// checkout master and add the same new file
checkoutBranch(Constants.R_HEADS + Constants.MASTER);
writeTrashFile("b", "second file content - master");
git.add().addFilepattern("b").call();
git.commit().setMessage("master commit").call();
// try and merge
MergeResult result = git.merge().include(branchCommit).call();
assertEquals(MergeStatus.CONFLICTING, result.getMergeStatus());
FileTreeIterator iterator = new FileTreeIterator(db);
IndexDiff diff = new IndexDiff(db, Constants.HEAD, iterator);
diff.diff();
assertTrue(diff.getChanged().isEmpty());
assertTrue(diff.getAdded().isEmpty());
assertTrue(diff.getRemoved().isEmpty());
assertTrue(diff.getMissing().isEmpty());
assertTrue(diff.getModified().isEmpty());
assertEquals(1, diff.getConflicting().size());
assertTrue(diff.getConflicting().contains("b"));
assertEquals(StageState.BOTH_ADDED, diff.getConflictingStageStates().get("b"));
assertTrue(diff.getUntrackedFolders().isEmpty());
// reset file b to its master state without altering the index
writeTrashFile("b", "second file content - master");
// we should have the same result
iterator = new FileTreeIterator(db);
diff = new IndexDiff(db, Constants.HEAD, iterator);
diff.diff();
assertTrue(diff.getChanged().isEmpty());
assertTrue(diff.getAdded().isEmpty());
assertTrue(diff.getRemoved().isEmpty());
assertTrue(diff.getMissing().isEmpty());
assertTrue(diff.getModified().isEmpty());
assertEquals(1, diff.getConflicting().size());
assertTrue(diff.getConflicting().contains("b"));
assertEquals(StageState.BOTH_ADDED, diff.getConflictingStageStates().get("b"));
assertTrue(diff.getUntrackedFolders().isEmpty());
}
}
@Test
public void testStageState_simulated_bug() throws Exception {
try (Git git = new Git(db)) {
writeTrashFile("a", "content");
git.add().addFilepattern("a").call();
RevCommit initialCommit = git.commit().setMessage("initial commit").call();
// create branch and add a new file
final String branchName = Constants.R_HEADS + "branch";
createBranch(initialCommit, branchName);
checkoutBranch(branchName);
writeTrashFile("b", "second file content - branch");
git.add().addFilepattern("b").call();
git.commit().setMessage("branch commit").call();
// checkout master and add the same new file
checkoutBranch(Constants.R_HEADS + Constants.MASTER);
writeTrashFile("b", "second file content - master");
git.add().addFilepattern("b").call();
git.commit().setMessage("master commit").call();
// Simulate a failed merge of branch into master
DirCacheBuilder builder = db.lockDirCache().builder();
DirCacheEntry entry = createEntry("a", FileMode.REGULAR_FILE, 0, "content");
builder.add(entry);
entry = createEntry("b", FileMode.REGULAR_FILE, 2, "second file content - master");
builder.add(entry);
entry = createEntry("b", FileMode.REGULAR_FILE, 3, "second file content - branch");
builder.add(entry);
builder.commit();
FileTreeIterator iterator = new FileTreeIterator(db);
IndexDiff diff = new IndexDiff(db, Constants.HEAD, iterator);
diff.diff();
assertTrue(diff.getChanged().isEmpty());
assertTrue(diff.getAdded().isEmpty());
assertTrue(diff.getRemoved().isEmpty());
assertTrue(diff.getMissing().isEmpty());
assertTrue(diff.getModified().isEmpty());
assertEquals(1, diff.getConflicting().size());
assertTrue(diff.getConflicting().contains("b"));
assertEquals(StageState.BOTH_ADDED, diff.getConflictingStageStates().get("b"));
assertTrue(diff.getUntrackedFolders().isEmpty());
}
}
@Test
public void testUnchangedSimple() throws IOException, GitAPIException {
writeTrashFile("a.b", "a.b");
writeTrashFile("a.c", "a.c");
writeTrashFile("a=c", "a=c");
writeTrashFile("a=d", "a=d");
try (Git git = new Git(db)) {
git.add().addFilepattern("a.b").call();
git.add().addFilepattern("a.c").call();
git.add().addFilepattern("a=c").call();
git.add().addFilepattern("a=d").call();
}
TreeFormatter tree = new TreeFormatter();
// got the hash id'd from the data using echo -n a.b|git hash-object -t blob --stdin
tree.append(
"a.b",
FileMode.REGULAR_FILE,
ObjectId.fromString("f6f28df96c2b40c951164286e08be7c38ec74851"));
tree.append(
"a.c",
FileMode.REGULAR_FILE,
ObjectId.fromString("6bc0e647512d2a0bef4f26111e484dc87df7f5ca"));
tree.append(
"a=c",
FileMode.REGULAR_FILE,
ObjectId.fromString("06022365ddbd7fb126761319633bf73517770714"));
tree.append(
"a=d",
FileMode.REGULAR_FILE,
ObjectId.fromString("fa6414df3da87840700e9eeb7fc261dd77ccd5c2"));
ObjectId treeId = insertTree(tree);
FileTreeIterator iterator = new FileTreeIterator(db);
IndexDiff diff = new IndexDiff(db, treeId, iterator);
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());
assertEquals(Collections.EMPTY_SET, diff.getUntrackedFolders());
}
@Test
public void testConflicting() throws Exception {
try (Git git = new Git(db)) {
writeTrashFile("a", "1\na\n3\n");
writeTrashFile("b", "1\nb\n3\n");
git.add().addFilepattern("a").addFilepattern("b").call();
RevCommit initialCommit = git.commit().setMessage("initial").call();
// create side branch with two modifications
createBranch(initialCommit, "refs/heads/side");
checkoutBranch("refs/heads/side");
writeTrashFile("a", "1\na(side)\n3\n");
writeTrashFile("b", "1\nb\n3\n(side)");
git.add().addFilepattern("a").addFilepattern("b").call();
RevCommit secondCommit = git.commit().setMessage("side").call();
// update a on master to generate conflict
checkoutBranch("refs/heads/master");
writeTrashFile("a", "1\na(main)\n3\n");
git.add().addFilepattern("a").call();
git.commit().setMessage("main").call();
// merge side with master
MergeResult result =
git.merge().include(secondCommit.getId()).setStrategy(MergeStrategy.RESOLVE).call();
assertEquals(MergeStatus.CONFLICTING, result.getMergeStatus());
}
FileTreeIterator iterator = new FileTreeIterator(db);
IndexDiff diff = new IndexDiff(db, Constants.HEAD, iterator);
diff.diff();
assertEquals("[b]", new TreeSet<String>(diff.getChanged()).toString());
assertEquals("[]", diff.getAdded().toString());
assertEquals("[]", diff.getRemoved().toString());
assertEquals("[]", diff.getMissing().toString());
assertEquals("[]", diff.getModified().toString());
assertEquals("[a]", diff.getConflicting().toString());
assertEquals(StageState.BOTH_MODIFIED, diff.getConflictingStageStates().get("a"));
assertEquals(Collections.EMPTY_SET, diff.getUntrackedFolders());
}
@Test
public void testModified() throws IOException, GitAPIException {
writeTrashFile("file2", "file2");
writeTrashFile("dir/file3", "dir/file3");
try (Git git = new Git(db)) {
git.add().addFilepattern("file2").addFilepattern("dir/file3").call();
}
writeTrashFile("dir/file3", "changed");
TreeFormatter dir = new TreeFormatter();
dir.append(
"file3",
FileMode.REGULAR_FILE,
ObjectId.fromString("0123456789012345678901234567890123456789"));
TreeFormatter tree = new TreeFormatter();
tree.append("dir", FileMode.TREE, insertTree(dir));
tree.append(
"file2",
FileMode.REGULAR_FILE,
ObjectId.fromString("0123456789012345678901234567890123456789"));
ObjectId treeId = insertTree(tree);
FileTreeIterator iterator = new FileTreeIterator(db);
IndexDiff diff = new IndexDiff(db, treeId, iterator);
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());
assertEquals(Collections.EMPTY_SET, diff.getUntrackedFolders());
}
/**
* This test has both files and directories that involve the tricky ordering used by Git.
*
* @throws IOException
* @throws GitAPIException
*/
@Test
public void testUnchangedComplex() throws IOException, GitAPIException {
writeTrashFile("a.b", "a.b");
writeTrashFile("a.c", "a.c");
writeTrashFile("a/b.b/b", "a/b.b/b");
writeTrashFile("a/b", "a/b");
writeTrashFile("a/c", "a/c");
writeTrashFile("a=c", "a=c");
writeTrashFile("a=d", "a=d");
try (Git git = new Git(db)) {
git.add()
.addFilepattern("a.b")
.addFilepattern("a.c")
.addFilepattern("a/b.b/b")
.addFilepattern("a/b")
.addFilepattern("a/c")
.addFilepattern("a=c")
.addFilepattern("a=d")
.call();
}
// got the hash id'd from the data using echo -n a.b|git hash-object -t blob --stdin
TreeFormatter bb = new TreeFormatter();
bb.append(
"b",
FileMode.REGULAR_FILE,
ObjectId.fromString("8d840bd4e2f3a48ff417c8e927d94996849933fd"));
TreeFormatter a = new TreeFormatter();
a.append(
"b",
FileMode.REGULAR_FILE,
ObjectId.fromString("db89c972fc57862eae378f45b74aca228037d415"));
a.append("b.b", FileMode.TREE, insertTree(bb));
a.append(
"c",
FileMode.REGULAR_FILE,
ObjectId.fromString("52ad142a008aeb39694bafff8e8f1be75ed7f007"));
TreeFormatter tree = new TreeFormatter();
tree.append(
"a.b",
FileMode.REGULAR_FILE,
ObjectId.fromString("f6f28df96c2b40c951164286e08be7c38ec74851"));
tree.append(
"a.c",
FileMode.REGULAR_FILE,
ObjectId.fromString("6bc0e647512d2a0bef4f26111e484dc87df7f5ca"));
tree.append("a", FileMode.TREE, insertTree(a));
tree.append(
"a=c",
FileMode.REGULAR_FILE,
ObjectId.fromString("06022365ddbd7fb126761319633bf73517770714"));
tree.append(
"a=d",
FileMode.REGULAR_FILE,
ObjectId.fromString("fa6414df3da87840700e9eeb7fc261dd77ccd5c2"));
ObjectId treeId = insertTree(tree);
FileTreeIterator iterator = new FileTreeIterator(db);
IndexDiff diff = new IndexDiff(db, treeId, iterator);
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());
assertEquals(Collections.EMPTY_SET, diff.getUntrackedFolders());
}