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# Copyright (C) 2004-2006 by Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from StringIO import StringIO
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from bzrlib.builtins import merge
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from bzrlib.bzrdir import BzrDir
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from bzrlib.bundle.apply_bundle import install_bundle, merge_bundle
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from bzrlib.bundle.read_bundle import BundleTree, BundleReader
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from bzrlib.bundle.serializer import write_bundle
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from bzrlib.diff import internal_diff
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from bzrlib.errors import BzrError, TestamentMismatch
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from bzrlib.merge import Merge3Merger
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from bzrlib.osutils import has_symlinks, sha_file
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from bzrlib.tests import TestCaseInTempDir, TestCase, TestSkipped
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from bzrlib.transform import TreeTransform
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from bzrlib.workingtree import WorkingTree
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class MockTree(object):
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from bzrlib.inventory import RootEntry, ROOT_ID
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self.paths = {ROOT_ID: ""}
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self.ids = {"": ROOT_ID}
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self.root = RootEntry(ROOT_ID)
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inventory = property(lambda x:x)
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return self.paths.iterkeys()
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def __getitem__(self, file_id):
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if file_id == self.root.file_id:
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return self.make_entry(file_id, self.paths[file_id])
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def parent_id(self, file_id):
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from os.path import dirname
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parent_dir = dirname(self.paths[file_id])
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return self.ids[parent_dir]
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def iter_entries(self):
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for path, file_id in self.ids.iteritems():
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yield path, self[file_id]
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def get_file_kind(self, file_id):
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if file_id in self.contents:
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def make_entry(self, file_id, path):
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from os.path import basename
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from bzrlib.inventory import (InventoryEntry, InventoryFile
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, InventoryDirectory, InventoryLink)
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kind = self.get_file_kind(file_id)
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parent_id = self.parent_id(file_id)
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text_sha_1, text_size = self.contents_stats(file_id)
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if kind == 'directory':
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ie = InventoryDirectory(file_id, name, parent_id)
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ie = InventoryFile(file_id, name, parent_id)
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elif kind == 'symlink':
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ie = InventoryLink(file_id, name, parent_id)
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raise BzrError('unknown kind %r' % kind)
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ie.text_sha1 = text_sha_1
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ie.text_size = text_size
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def add_dir(self, file_id, path):
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self.paths[file_id] = path
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self.ids[path] = file_id
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def add_file(self, file_id, path, contents):
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self.add_dir(file_id, path)
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self.contents[file_id] = contents
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def path2id(self, path):
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return self.ids.get(path)
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def id2path(self, file_id):
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return self.paths.get(file_id)
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def has_id(self, file_id):
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return self.id2path(file_id) is not None
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def get_file(self, file_id):
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result.write(self.contents[file_id])
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def contents_stats(self, file_id):
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if file_id not in self.contents:
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text_sha1 = sha_file(self.get_file(file_id))
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return text_sha1, len(self.contents[file_id])
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class BTreeTester(TestCase):
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"""A simple unittest tester for the BundleTree class."""
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def make_tree_1(self):
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mtree.add_dir("a", "grandparent")
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mtree.add_dir("b", "grandparent/parent")
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mtree.add_file("c", "grandparent/parent/file", "Hello\n")
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mtree.add_dir("d", "grandparent/alt_parent")
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return BundleTree(mtree, ''), mtree
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def test_renames(self):
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"""Ensure that file renames have the proper effect on children"""
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btree = self.make_tree_1()[0]
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self.assertEqual(btree.old_path("grandparent"), "grandparent")
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self.assertEqual(btree.old_path("grandparent/parent"),
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"grandparent/parent")
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self.assertEqual(btree.old_path("grandparent/parent/file"),
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"grandparent/parent/file")
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self.assertEqual(btree.id2path("a"), "grandparent")
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self.assertEqual(btree.id2path("b"), "grandparent/parent")
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self.assertEqual(btree.id2path("c"), "grandparent/parent/file")
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self.assertEqual(btree.path2id("grandparent"), "a")
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self.assertEqual(btree.path2id("grandparent/parent"), "b")
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self.assertEqual(btree.path2id("grandparent/parent/file"), "c")
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assert btree.path2id("grandparent2") is None
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assert btree.path2id("grandparent2/parent") is None
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assert btree.path2id("grandparent2/parent/file") is None
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btree.note_rename("grandparent", "grandparent2")
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assert btree.old_path("grandparent") is None
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assert btree.old_path("grandparent/parent") is None
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assert btree.old_path("grandparent/parent/file") is None
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self.assertEqual(btree.id2path("a"), "grandparent2")
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self.assertEqual(btree.id2path("b"), "grandparent2/parent")
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self.assertEqual(btree.id2path("c"), "grandparent2/parent/file")
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self.assertEqual(btree.path2id("grandparent2"), "a")
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self.assertEqual(btree.path2id("grandparent2/parent"), "b")
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self.assertEqual(btree.path2id("grandparent2/parent/file"), "c")
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assert btree.path2id("grandparent") is None
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assert btree.path2id("grandparent/parent") is None
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assert btree.path2id("grandparent/parent/file") is None
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btree.note_rename("grandparent/parent", "grandparent2/parent2")
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self.assertEqual(btree.id2path("a"), "grandparent2")
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self.assertEqual(btree.id2path("b"), "grandparent2/parent2")
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self.assertEqual(btree.id2path("c"), "grandparent2/parent2/file")
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self.assertEqual(btree.path2id("grandparent2"), "a")
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self.assertEqual(btree.path2id("grandparent2/parent2"), "b")
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self.assertEqual(btree.path2id("grandparent2/parent2/file"), "c")
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assert btree.path2id("grandparent2/parent") is None
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assert btree.path2id("grandparent2/parent/file") is None
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btree.note_rename("grandparent/parent/file",
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"grandparent2/parent2/file2")
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self.assertEqual(btree.id2path("a"), "grandparent2")
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self.assertEqual(btree.id2path("b"), "grandparent2/parent2")
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self.assertEqual(btree.id2path("c"), "grandparent2/parent2/file2")
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self.assertEqual(btree.path2id("grandparent2"), "a")
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self.assertEqual(btree.path2id("grandparent2/parent2"), "b")
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self.assertEqual(btree.path2id("grandparent2/parent2/file2"), "c")
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assert btree.path2id("grandparent2/parent2/file") is None
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def test_moves(self):
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"""Ensure that file moves have the proper effect on children"""
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btree = self.make_tree_1()[0]
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btree.note_rename("grandparent/parent/file",
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"grandparent/alt_parent/file")
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self.assertEqual(btree.id2path("c"), "grandparent/alt_parent/file")
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self.assertEqual(btree.path2id("grandparent/alt_parent/file"), "c")
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assert btree.path2id("grandparent/parent/file") is None
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def unified_diff(self, old, new):
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internal_diff("old", old, "new", new, out)
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def make_tree_2(self):
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btree = self.make_tree_1()[0]
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btree.note_rename("grandparent/parent/file",
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"grandparent/alt_parent/file")
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assert btree.id2path("e") is None
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assert btree.path2id("grandparent/parent/file") is None
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btree.note_id("e", "grandparent/parent/file")
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"""File/inventory adds"""
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btree = self.make_tree_2()
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add_patch = self.unified_diff([], ["Extra cheese\n"])
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btree.note_patch("grandparent/parent/file", add_patch)
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btree.note_id('f', 'grandparent/parent/symlink', kind='symlink')
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btree.note_target('grandparent/parent/symlink', 'venus')
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self.adds_test(btree)
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def adds_test(self, btree):
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self.assertEqual(btree.id2path("e"), "grandparent/parent/file")
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self.assertEqual(btree.path2id("grandparent/parent/file"), "e")
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self.assertEqual(btree.get_file("e").read(), "Extra cheese\n")
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self.assertEqual(btree.get_symlink_target('f'), 'venus')
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def test_adds2(self):
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"""File/inventory adds, with patch-compatibile renames"""
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btree = self.make_tree_2()
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btree.contents_by_id = False
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add_patch = self.unified_diff(["Hello\n"], ["Extra cheese\n"])
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btree.note_patch("grandparent/parent/file", add_patch)
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btree.note_id('f', 'grandparent/parent/symlink', kind='symlink')
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btree.note_target('grandparent/parent/symlink', 'venus')
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self.adds_test(btree)
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def make_tree_3(self):
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btree, mtree = self.make_tree_1()
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mtree.add_file("e", "grandparent/parent/topping", "Anchovies\n")
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btree.note_rename("grandparent/parent/file",
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"grandparent/alt_parent/file")
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btree.note_rename("grandparent/parent/topping",
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"grandparent/alt_parent/stopping")
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def get_file_test(self, btree):
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self.assertEqual(btree.get_file("e").read(), "Lemon\n")
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self.assertEqual(btree.get_file("c").read(), "Hello\n")
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def test_get_file(self):
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"""Get file contents"""
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btree = self.make_tree_3()
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mod_patch = self.unified_diff(["Anchovies\n"], ["Lemon\n"])
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btree.note_patch("grandparent/alt_parent/stopping", mod_patch)
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self.get_file_test(btree)
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def test_get_file2(self):
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"""Get file contents, with patch-compatibile renames"""
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btree = self.make_tree_3()
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btree.contents_by_id = False
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mod_patch = self.unified_diff([], ["Lemon\n"])
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btree.note_patch("grandparent/alt_parent/stopping", mod_patch)
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mod_patch = self.unified_diff([], ["Hello\n"])
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btree.note_patch("grandparent/alt_parent/file", mod_patch)
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self.get_file_test(btree)
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def test_delete(self):
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btree = self.make_tree_1()[0]
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self.assertEqual(btree.get_file("c").read(), "Hello\n")
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btree.note_deletion("grandparent/parent/file")
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assert btree.id2path("c") is None
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assert btree.path2id("grandparent/parent/file") is None
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def sorted_ids(self, tree):
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def test_iteration(self):
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"""Ensure that iteration through ids works properly"""
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btree = self.make_tree_1()[0]
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self.assertEqual(self.sorted_ids(btree), ['a', 'b', 'c', 'd'])
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btree.note_deletion("grandparent/parent/file")
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btree.note_id("e", "grandparent/alt_parent/fool", kind="directory")
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btree.note_last_changed("grandparent/alt_parent/fool",
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self.assertEqual(self.sorted_ids(btree), ['a', 'b', 'd', 'e'])
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class CSetTester(TestCaseInTempDir):
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def get_valid_bundle(self, base_rev_id, rev_id, checkout_dir=None,
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"""Create a bundle from base_rev_id -> rev_id in built-in branch.
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Make sure that the text generated is valid, and that it
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can be applied against the base, and generate the same information.
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:return: The in-memory bundle
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from cStringIO import StringIO
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bundle_txt = StringIO()
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rev_ids = write_bundle(self.b1.repository, rev_id, base_rev_id,
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self.assertEqual(bundle_txt.readline(),
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'# Bazaar revision bundle v0.7\n')
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self.assertEqual(bundle_txt.readline(), '#\n')
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rev = self.b1.repository.get_revision(rev_id)
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self.assertEqual(bundle_txt.readline().decode('utf-8'),
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open(',,bundle', 'wb').write(bundle_txt.getvalue())
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# This should also validate the generated bundle
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bundle = BundleReader(bundle_txt)
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repository = self.b1.repository
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for bundle_rev in bundle.info.real_revisions:
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# These really should have already been checked when we read the
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# bundle, since it computes the sha1 hash for the revision, which
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# only will match if everything is okay, but lets be explicit about
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branch_rev = repository.get_revision(bundle_rev.revision_id)
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for a in ('inventory_sha1', 'revision_id', 'parent_ids',
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'timestamp', 'timezone', 'message', 'committer',
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'parent_ids', 'properties'):
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self.assertEqual(getattr(branch_rev, a),
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getattr(bundle_rev, a))
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self.assertEqual(len(branch_rev.parent_ids),
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len(bundle_rev.parent_ids))
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self.assertEqual(rev_ids,
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[r.revision_id for r in bundle.info.real_revisions])
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self.valid_apply_bundle(base_rev_id, bundle,
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checkout_dir=checkout_dir)
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def get_invalid_bundle(self, base_rev_id, rev_id):
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"""Create a bundle from base_rev_id -> rev_id in built-in branch.
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Munge the text so that it's invalid.
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:return: The in-memory bundle
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from cStringIO import StringIO
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bundle_txt = StringIO()
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rev_ids = write_bundle(self.b1.repository, rev_id, base_rev_id,
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open(',,bundle', 'wb').write(bundle_txt.getvalue())
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new_text = bundle_txt.getvalue().replace('executable:no',
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bundle_txt = StringIO(new_text)
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bundle = BundleReader(bundle_txt)
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self.valid_apply_bundle(base_rev_id, bundle)
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def get_checkout(self, rev_id, checkout_dir=None):
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"""Get a new tree, with the specified revision in it.
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from bzrlib.branch import Branch
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if checkout_dir is None:
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checkout_dir = tempfile.mkdtemp(prefix='test-branch-', dir='.')
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if not os.path.exists(checkout_dir):
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os.mkdir(checkout_dir)
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tree = BzrDir.create_standalone_workingtree(checkout_dir)
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ancestors = write_bundle(self.b1.repository, rev_id, None, s)
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assert isinstance(s.getvalue(), str), (
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"Bundle isn't a bytestring:\n %s..." % repr(s.getvalue())[:40])
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install_bundle(tree.branch.repository, BundleReader(s))
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for ancestor in ancestors:
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old = self.b1.repository.revision_tree(ancestor)
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new = tree.branch.repository.revision_tree(ancestor)
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for inventory_id in old:
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old_file = old.get_file(inventory_id)
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self.assertEqual(old_file.read(),
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new.get_file(inventory_id).read())
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if rev_id is not None:
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rh = self.b1.revision_history()
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tree.branch.set_revision_history(rh[:rh.index(rev_id)+1])
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def valid_apply_bundle(self, base_rev_id, reader, checkout_dir=None):
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"""Get the base revision, apply the changes, and make
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sure everything matches the builtin branch.
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to_tree = self.get_checkout(base_rev_id, checkout_dir=checkout_dir)
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repository = to_tree.branch.repository
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self.assertIs(repository.has_revision(base_rev_id), True)
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for rev in info.real_revisions:
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self.assert_(not repository.has_revision(rev.revision_id),
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'Revision {%s} present before applying bundle'
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merge_bundle(reader, to_tree, True, Merge3Merger, False, False)
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for rev in info.real_revisions:
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self.assert_(repository.has_revision(rev.revision_id),
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'Missing revision {%s} after applying bundle'
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self.assert_(to_tree.branch.repository.has_revision(info.target))
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# Do we also want to verify that all the texts have been added?
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self.assert_(info.target in to_tree.pending_merges())
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rev = info.real_revisions[-1]
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base_tree = self.b1.repository.revision_tree(rev.revision_id)
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to_tree = to_tree.branch.repository.revision_tree(rev.revision_id)
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# TODO: make sure the target tree is identical to base tree
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# we might also check the working tree.
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base_files = list(base_tree.list_files())
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to_files = list(to_tree.list_files())
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self.assertEqual(len(base_files), len(to_files))
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for base_file, to_file in zip(base_files, to_files):
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self.assertEqual(base_file, to_file)
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for path, status, kind, fileid, entry in base_files:
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# Check that the meta information is the same
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self.assertEqual(base_tree.get_file_size(fileid),
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to_tree.get_file_size(fileid))
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self.assertEqual(base_tree.get_file_sha1(fileid),
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to_tree.get_file_sha1(fileid))
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# Check that the contents are the same
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# This is pretty expensive
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# self.assertEqual(base_tree.get_file(fileid).read(),
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# to_tree.get_file(fileid).read())
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def test_bundle(self):
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self.tree1 = BzrDir.create_standalone_workingtree('b1')
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self.b1 = self.tree1.branch
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open(pjoin('b1/one'), 'wb').write('one\n')
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self.tree1.add('one')
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self.tree1.commit('add one', rev_id='a@cset-0-1')
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bundle = self.get_valid_bundle(None, 'a@cset-0-1')
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bundle = self.get_valid_bundle(None, 'a@cset-0-1',
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message='With a specialized message')
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# Make sure we can handle files with spaces, tabs, other
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, 'b1/dir/filein subdir.c'
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, 'b1/dir/WithCaps.txt'
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, 'b1/dir/trailing space '
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, 'b1/sub/sub/nonempty.txt'
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# Tabs are not valid in filenames on windows
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open('b1/sub/sub/emptyfile.txt', 'wb').close()
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open('b1/dir/nolastnewline.txt', 'wb').write('bloop')
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tt = TreeTransform(self.tree1)
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tt.new_file('executable', tt.root, '#!/bin/sh\n', 'exe-1', True)
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, 'dir/filein subdir.c'
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, 'dir/trailing space '
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, 'dir/nolastnewline.txt'
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, 'sub/sub/nonempty.txt'
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, 'sub/sub/emptyfile.txt'
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self.tree1.commit('add whitespace', rev_id='a@cset-0-2')
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bundle = self.get_valid_bundle('a@cset-0-1', 'a@cset-0-2')
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# Check a rollup bundle
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bundle = self.get_valid_bundle(None, 'a@cset-0-2')
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['sub/sub/nonempty.txt'
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, 'sub/sub/emptyfile.txt'
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tt = TreeTransform(self.tree1)
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trans_id = tt.trans_id_tree_file_id('exe-1')
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tt.set_executability(False, trans_id)
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self.tree1.commit('removed', rev_id='a@cset-0-3')
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bundle = self.get_valid_bundle('a@cset-0-2', 'a@cset-0-3')
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self.assertRaises(TestamentMismatch, self.get_invalid_bundle,
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'a@cset-0-2', 'a@cset-0-3')
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# Check a rollup bundle
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bundle = self.get_valid_bundle(None, 'a@cset-0-3')
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# Now move the directory
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self.tree1.rename_one('dir', 'sub/dir')
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self.tree1.commit('rename dir', rev_id='a@cset-0-4')
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bundle = self.get_valid_bundle('a@cset-0-3', 'a@cset-0-4')
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# Check a rollup bundle
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bundle = self.get_valid_bundle(None, 'a@cset-0-4')
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open('b1/sub/dir/WithCaps.txt', 'ab').write('\nAdding some text\n')
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open('b1/sub/dir/trailing space ', 'ab').write('\nAdding some\nDOS format lines\n')
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open('b1/sub/dir/nolastnewline.txt', 'ab').write('\n')
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self.tree1.rename_one('sub/dir/trailing space ',
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'sub/ start and end space ')
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self.tree1.commit('Modified files', rev_id='a@cset-0-5')
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bundle = self.get_valid_bundle('a@cset-0-4', 'a@cset-0-5')
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# Handle international characters
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f = open(u'b1/with Dod\xe9', 'wb')
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except UnicodeEncodeError:
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raise TestSkipped("Filesystem doesn't support unicode")
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u'With international man of mystery\n'
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u'William Dod\xe9\n').encode('utf-8'))
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self.tree1.add([u'with Dod\xe9'])
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# BUG: (sort of) You must set verbose=False, so that python doesn't try
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# and print the name of William Dode as part of the commit
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self.tree1.commit(u'i18n commit from William Dod\xe9',
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rev_id='a@cset-0-6', committer=u'William Dod\xe9',
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bundle = self.get_valid_bundle('a@cset-0-5', 'a@cset-0-6')
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self.tree1.rename_one('sub/dir/WithCaps.txt', 'temp')
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self.tree1.rename_one('with space.txt', 'WithCaps.txt')
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self.tree1.rename_one('temp', 'with space.txt')
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self.tree1.commit(u'swap filenames', rev_id='a@cset-0-7',
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bundle = self.get_valid_bundle('a@cset-0-6', 'a@cset-0-7')
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other = self.get_checkout('a@cset-0-6')
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other.rename_one('sub/dir/nolastnewline.txt', 'sub/nolastnewline.txt')
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other.commit('rename file', rev_id='a@cset-0-7b')
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merge([other.basedir, -1], [None, None], this_dir=self.tree1.basedir)
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self.tree1.commit(u'Merge', rev_id='a@cset-0-8',
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bundle = self.get_valid_bundle('a@cset-0-7', 'a@cset-0-8')
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def test_symlink_bundle(self):
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if not has_symlinks():
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raise TestSkipped("No symlink support")
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self.tree1 = BzrDir.create_standalone_workingtree('b1')
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self.b1 = self.tree1.branch
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tt = TreeTransform(self.tree1)
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tt.new_symlink('link', tt.root, 'bar/foo', 'link-1')
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self.tree1.commit('add symlink', rev_id='l@cset-0-1')
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self.get_valid_bundle(None, 'l@cset-0-1')
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tt = TreeTransform(self.tree1)
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trans_id = tt.trans_id_tree_file_id('link-1')
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tt.adjust_path('link2', tt.root, trans_id)
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tt.delete_contents(trans_id)
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tt.create_symlink('mars', trans_id)
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self.tree1.commit('rename and change symlink', rev_id='l@cset-0-2')
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self.get_valid_bundle('l@cset-0-1', 'l@cset-0-2')
590
tt = TreeTransform(self.tree1)
591
trans_id = tt.trans_id_tree_file_id('link-1')
592
tt.delete_contents(trans_id)
593
tt.create_symlink('jupiter', trans_id)
595
self.tree1.commit('just change symlink target', rev_id='l@cset-0-3')
596
self.get_valid_bundle('l@cset-0-2', 'l@cset-0-3')
597
tt = TreeTransform(self.tree1)
598
trans_id = tt.trans_id_tree_file_id('link-1')
599
tt.delete_contents(trans_id)
601
self.tree1.commit('Delete symlink', rev_id='l@cset-0-4')
602
self.get_valid_bundle('l@cset-0-3', 'l@cset-0-4')
604
def test_binary_bundle(self):
605
self.tree1 = BzrDir.create_standalone_workingtree('b1')
606
self.b1 = self.tree1.branch
607
tt = TreeTransform(self.tree1)
608
tt.new_file('file', tt.root, '\x00\xff', 'binary-1')
609
tt.new_file('file2', tt.root, '\x00\xff', 'binary-2')
611
self.tree1.commit('add binary', rev_id='b@cset-0-1')
612
self.get_valid_bundle(None, 'b@cset-0-1')
613
tt = TreeTransform(self.tree1)
614
trans_id = tt.trans_id_tree_file_id('binary-1')
615
tt.delete_contents(trans_id)
617
self.tree1.commit('delete binary', rev_id='b@cset-0-2')
618
self.get_valid_bundle('b@cset-0-1', 'b@cset-0-2')
619
tt = TreeTransform(self.tree1)
620
trans_id = tt.trans_id_tree_file_id('binary-2')
621
tt.adjust_path('file3', tt.root, trans_id)
622
tt.delete_contents(trans_id)
623
tt.create_file('filecontents\x00', trans_id)
625
self.tree1.commit('rename and modify binary', rev_id='b@cset-0-3')
626
self.get_valid_bundle('b@cset-0-2', 'b@cset-0-3')
627
tt = TreeTransform(self.tree1)
628
trans_id = tt.trans_id_tree_file_id('binary-2')
629
tt.delete_contents(trans_id)
630
tt.create_file('\x00filecontents', trans_id)
632
self.tree1.commit('just modify binary', rev_id='b@cset-0-4')
633
self.get_valid_bundle('b@cset-0-3', 'b@cset-0-4')
635
def test_last_modified(self):
636
self.tree1 = BzrDir.create_standalone_workingtree('b1')
637
self.b1 = self.tree1.branch
638
tt = TreeTransform(self.tree1)
639
tt.new_file('file', tt.root, 'file', 'file')
641
self.tree1.commit('create file', rev_id='a@lmod-0-1')
643
tt = TreeTransform(self.tree1)
644
trans_id = tt.trans_id_tree_file_id('file')
645
tt.delete_contents(trans_id)
646
tt.create_file('file2', trans_id)
648
self.tree1.commit('modify text', rev_id='a@lmod-0-2a')
650
other = self.get_checkout('a@lmod-0-1')
651
tt = TreeTransform(other)
652
trans_id = tt.trans_id_tree_file_id('file')
653
tt.delete_contents(trans_id)
654
tt.create_file('file2', trans_id)
656
other.commit('modify text in another tree', rev_id='a@lmod-0-2b')
657
merge([other.basedir, -1], [None, None], this_dir=self.tree1.basedir)
658
self.tree1.commit(u'Merge', rev_id='a@lmod-0-3',
660
self.tree1.commit(u'Merge', rev_id='a@lmod-0-4')
661
bundle = self.get_valid_bundle('a@lmod-0-2a', 'a@lmod-0-4')
added
removed
bzrlib/tests/test_bundle.py
