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Diffstat (limited to 'test/git/test_index.py')
| -rw-r--r-- | test/git/test_index.py | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/test/git/test_index.py b/test/git/test_index.py new file mode 100644 index 00000000..e9541232 --- /dev/null +++ b/test/git/test_index.py @@ -0,0 +1,345 @@ +# test_index.py +# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors +# +# This module is part of GitPython and is released under +# the BSD License: http://www.opensource.org/licenses/bsd-license.php + +from test.testlib import * +from git import * +import inspect +import os +import sys +import tempfile +import glob +from stat import * + +class TestTree(TestBase): + + def test_index_file_base(self): + # read from file + index = IndexFile(self.rorepo, fixture_path("index")) + assert index.entries + assert index.version > 0 + + # test entry + last_val = None + entry = index.entries.itervalues().next() + for attr in ("path","ctime","mtime","dev","inode","mode","uid", + "gid","size","sha","stage"): + val = getattr(entry, attr) + # END for each method + + # test update + entries = index.entries + assert isinstance(index.update(), IndexFile) + assert entries is not index.entries + + # test stage + index_merge = IndexFile(self.rorepo, fixture_path("index_merge")) + assert len(index_merge.entries) == 106 + assert len(list(e for e in index_merge.entries.itervalues() if e.stage != 0 )) + + # write the data - it must match the original + tmpfile = tempfile.mktemp() + index_merge.write(tmpfile) + fp = open(tmpfile, 'r') + assert fp.read() == fixture("index_merge") + fp.close() + os.remove(tmpfile) + + def _cmp_tree_index(self, tree, index): + # fail unless both objects contain the same paths and blobs + if isinstance(tree, str): + tree = self.rorepo.commit(tree).tree + + num_blobs = 0 + for blob in tree.traverse(predicate = lambda e: e.type == "blob"): + assert (blob.path,0) in index.entries + num_blobs += 1 + # END for each blob in tree + assert num_blobs == len(index.entries) + + def test_index_file_from_tree(self): + common_ancestor_sha = "5117c9c8a4d3af19a9958677e45cda9269de1541" + cur_sha = "4b43ca7ff72d5f535134241e7c797ddc9c7a3573" + other_sha = "39f85c4358b7346fee22169da9cad93901ea9eb9" + + # simple index from tree + base_index = IndexFile.from_tree(self.rorepo, common_ancestor_sha) + assert base_index.entries + self._cmp_tree_index(common_ancestor_sha, base_index) + + # merge two trees - its like a fast-forward + two_way_index = IndexFile.from_tree(self.rorepo, common_ancestor_sha, cur_sha) + assert two_way_index.entries + self._cmp_tree_index(cur_sha, two_way_index) + + # merge three trees - here we have a merge conflict + three_way_index = IndexFile.from_tree(self.rorepo, common_ancestor_sha, cur_sha, other_sha) + assert len(list(e for e in three_way_index.entries.values() if e.stage != 0)) + + + # ITERATE BLOBS + merge_required = lambda t: t[0] != 0 + merge_blobs = list(three_way_index.iter_blobs(merge_required)) + assert merge_blobs + assert merge_blobs[0][0] in (1,2,3) + assert isinstance(merge_blobs[0][1], Blob) + + + # writing a tree should fail with an unmerged index + self.failUnlessRaises(GitCommandError, three_way_index.write_tree) + + # removed unmerged entries + unmerged_blob_map = three_way_index.unmerged_blobs() + assert unmerged_blob_map + + # pick the first blob at the first stage we find and use it as resolved version + three_way_index.resolve_blobs( l[0][1] for l in unmerged_blob_map.itervalues() ) + tree = three_way_index.write_tree() + assert isinstance(tree, Tree) + num_blobs = 0 + for blob in tree.traverse(predicate=lambda item: item.type == "blob"): + assert (blob.path,0) in three_way_index.entries + num_blobs += 1 + # END for each blob + assert num_blobs == len(three_way_index.entries) + + @with_rw_repo('0.1.6') + def test_index_file_diffing(self, rw_repo): + # default Index instance points to our index + index = IndexFile(rw_repo) + assert index.path is not None + assert len(index.entries) + + # write the file back + index.write() + + # could sha it, or check stats + + # test diff + # resetting the head will leave the index in a different state, and the + # diff will yield a few changes + cur_head_commit = rw_repo.head.reference.commit + ref = rw_repo.head.reset('HEAD~6', index=True, working_tree=False) + + # diff against same index is 0 + diff = index.diff() + assert len(diff) == 0 + + # against HEAD as string, must be the same as it matches index + diff = index.diff('HEAD') + assert len(diff) == 0 + + # against previous head, there must be a difference + diff = index.diff(cur_head_commit) + assert len(diff) + + # we reverse the result + adiff = index.diff(str(cur_head_commit), R=True) + odiff = index.diff(cur_head_commit, R=False) # now its not reversed anymore + assert adiff != odiff + assert odiff == diff # both unreversed diffs against HEAD + + # against working copy - its still at cur_commit + wdiff = index.diff(None) + assert wdiff != adiff + assert wdiff != odiff + + # against something unusual + self.failUnlessRaises(ValueError, index.diff, int) + + # adjust the index to match an old revision + cur_branch = rw_repo.active_branch + cur_commit = cur_branch.commit + rev_head_parent = 'HEAD~1' + assert index.reset(rev_head_parent) is index + + assert cur_branch == rw_repo.active_branch + assert cur_commit == rw_repo.head.commit + + # there must be differences towards the working tree which is in the 'future' + assert index.diff(None) + + # reset the working copy as well to current head,to pull 'back' as well + new_data = "will be reverted" + file_path = os.path.join(rw_repo.git.git_dir, "CHANGES") + fp = open(file_path, "w") + fp.write(new_data) + fp.close() + index.reset(rev_head_parent, working_tree=True) + assert not index.diff(None) + assert cur_branch == rw_repo.active_branch + assert cur_commit == rw_repo.head.commit + fp = open(file_path) + try: + assert fp.read() != new_data + finally: + fp.close() + + # test full checkout + test_file = os.path.join(rw_repo.git.git_dir, "CHANGES") + os.remove(test_file) + index.checkout(None, force=True) + assert os.path.isfile(test_file) + + os.remove(test_file) + index.checkout(None, force=False) + assert os.path.isfile(test_file) + + # individual file + os.remove(test_file) + index.checkout(test_file) + assert os.path.exists(test_file) + + + + # currently it ignore non-existing paths + index.checkout(paths=["doesnt/exist"]) + + + def _count_existing(self, repo, files): + """ + Returns count of files that actually exist in the repository directory. + """ + existing = 0 + basedir = repo.git.git_dir + for f in files: + existing += os.path.isfile(os.path.join(basedir, f)) + # END for each deleted file + return existing + # END num existing helper + + @with_rw_repo('0.1.6') + def test_index_mutation(self, rw_repo): + index = rw_repo.index + num_entries = len(index.entries) + cur_head = rw_repo.head + + # remove all of the files, provide a wild mix of paths, BaseIndexEntries, + # IndexEntries + def mixed_iterator(): + count = 0 + for entry in index.entries.itervalues(): + type_id = count % 4 + if type_id == 0: # path + yield entry.path + elif type_id == 1: # blob + yield Blob(rw_repo, entry.sha, entry.mode, entry.path) + elif type_id == 2: # BaseIndexEntry + yield BaseIndexEntry(entry[:4]) + elif type_id == 3: # IndexEntry + yield entry + else: + raise AssertionError("Invalid Type") + count += 1 + # END for each entry + # END mixed iterator + deleted_files = index.remove(mixed_iterator(), working_tree=False) + assert deleted_files + assert self._count_existing(rw_repo, deleted_files) == len(deleted_files) + assert len(index.entries) == 0 + + # reset the index to undo our changes + index.reset() + assert len(index.entries) == num_entries + + # remove with working copy + deleted_files = index.remove(mixed_iterator(), working_tree=True) + assert deleted_files + assert self._count_existing(rw_repo, deleted_files) == 0 + + # reset everything + index.reset(working_tree=True) + assert self._count_existing(rw_repo, deleted_files) == len(deleted_files) + + # invalid type + self.failUnlessRaises(TypeError, index.remove, [1]) + + # absolute path + deleted_files = index.remove([os.path.join(rw_repo.git.git_dir,"lib")], r=True) + assert len(deleted_files) > 1 + self.failUnlessRaises(ValueError, index.remove, ["/doesnt/exists"]) + + # TEST COMMITTING + # commit changed index + cur_commit = cur_head.commit + commit_message = "commit default head" + + new_commit = index.commit(commit_message, head=False) + assert new_commit.message == commit_message + assert new_commit.parents[0] == cur_commit + assert len(new_commit.parents) == 1 + assert cur_head.commit == cur_commit + + # same index, no parents + commit_message = "index without parents" + commit_no_parents = index.commit(commit_message, parent_commits=list(), head=True) + assert commit_no_parents.message == commit_message + assert len(commit_no_parents.parents) == 0 + assert cur_head.commit == commit_no_parents + + # same index, multiple parents + commit_message = "Index with multiple parents\n commit with another line" + commit_multi_parent = index.commit(commit_message,parent_commits=(commit_no_parents, new_commit)) + assert commit_multi_parent.message == commit_message + assert len(commit_multi_parent.parents) == 2 + assert commit_multi_parent.parents[0] == commit_no_parents + assert commit_multi_parent.parents[1] == new_commit + assert cur_head.commit == commit_multi_parent + + # re-add all files in lib + # get the lib folder back on disk, but get an index without it + index.reset(new_commit.parents[0], working_tree=True).reset(new_commit, working_tree=False) + lib_file_path = "lib/git/__init__.py" + assert (lib_file_path, 0) not in index.entries + assert os.path.isfile(os.path.join(rw_repo.git.git_dir, lib_file_path)) + + # directory + entries = index.add(['lib']) + assert len(entries)>1 + + # glob + entries = index.reset(new_commit).add(['lib/*.py']) + assert len(entries) == 14 + + # missing path + self.failUnlessRaises(GitCommandError, index.reset(new_commit).add, ['doesnt/exist/must/raise']) + + # blob from older revision overrides current index revision + old_blob = new_commit.parents[0].tree.blobs[0] + entries = index.reset(new_commit).add([old_blob]) + assert index.entries[(old_blob.path,0)].sha == old_blob.sha and len(entries) == 1 + + # mode 0 not allowed + null_sha = "0"*40 + self.failUnlessRaises(ValueError, index.reset(new_commit).add, [BaseIndexEntry((0, null_sha,0,"doesntmatter"))]) + + # add new file + new_file_relapath = "my_new_file" + new_file_path = self._make_file(new_file_relapath, "hello world", rw_repo) + entries = index.reset(new_commit).add([BaseIndexEntry((010644, null_sha, 0, new_file_relapath))]) + assert len(entries) == 1 and entries[0].sha != null_sha + + # add symlink + if sys.platform != "win32": + link_file = os.path.join(rw_repo.git.git_dir, "my_real_symlink") + os.symlink("/etc/that", link_file) + entries = index.reset(new_commit).add([link_file]) + assert len(entries) == 1 and S_ISLNK(entries[0].mode) + print "%o" % entries[0].mode + # END real symlink test + + # add fake symlink and assure it checks-our as symlink + fake_symlink_relapath = "my_fake_symlink" + fake_symlink_path = self._make_file(fake_symlink_relapath, "/etc/that", rw_repo) + fake_entry = BaseIndexEntry((0120000, null_sha, 0, fake_symlink_relapath)) + entries = index.reset(new_commit).add([fake_entry]) + assert len(entries) == 1 and S_ISLNK(entries[0].mode) + + # checkout the fakelink, should be a link then + assert not S_ISLNK(os.stat(fake_symlink_path)[ST_MODE]) + os.remove(fake_symlink_path) + index.checkout(fake_symlink_path) + assert S_ISLNK(os.lstat(fake_symlink_path)[ST_MODE]) + |