/brz/remove-bazaar : contents of bzrlib/tests/test

: (revision 1816.2.7)

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http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar

# Copyright (C) 2004-2006 by Canonical Ltd

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

from cStringIO import StringIO

from bzrlib.builtins import merge
from bzrlib.bzrdir import BzrDir
from bzrlib.bundle.apply_bundle import install_bundle, merge_bundle
from bzrlib.bundle.bundle_data import BundleTree
from bzrlib.bundle.serializer import write_bundle, read_bundle
from bzrlib.diff import internal_diff
from bzrlib.errors import BzrError, TestamentMismatch, NotABundle, BadBundle
from bzrlib.merge import Merge3Merger
from bzrlib.osutils import has_symlinks, sha_file
from bzrlib.tests import (TestCaseInTempDir, TestCaseWithTransport,
                          TestCase, TestSkipped)
from bzrlib.transform import TreeTransform
from bzrlib.workingtree import WorkingTree


class MockTree(object):
    def __init__(self):
        from bzrlib.inventory import RootEntry, ROOT_ID
        object.__init__(self)
        self.paths = {ROOT_ID: ""}
        self.ids = {"": ROOT_ID}
        self.contents = {}
        self.root = RootEntry(ROOT_ID)

    inventory = property(lambda x:x)

    def __iter__(self):
        return self.paths.iterkeys()

    def __getitem__(self, file_id):
        if file_id == self.root.file_id:
            return self.root
        else:
            return self.make_entry(file_id, self.paths[file_id])

    def parent_id(self, file_id):
        from os.path import dirname
        parent_dir = dirname(self.paths[file_id])
        if parent_dir == "":
            return None
        return self.ids[parent_dir]

    def iter_entries(self):
        for path, file_id in self.ids.iteritems():
            yield path, self[file_id]

    def get_file_kind(self, file_id):
        if file_id in self.contents:
            kind = 'file'
        else:
            kind = 'directory'
        return kind

    def make_entry(self, file_id, path):
        from os.path import basename
        from bzrlib.inventory import (InventoryEntry, InventoryFile
                                    , InventoryDirectory, InventoryLink)
        name = basename(path)
        kind = self.get_file_kind(file_id)
        parent_id = self.parent_id(file_id)
        text_sha_1, text_size = self.contents_stats(file_id)
        if kind == 'directory':
            ie = InventoryDirectory(file_id, name, parent_id)
        elif kind == 'file':
            ie = InventoryFile(file_id, name, parent_id)
        elif kind == 'symlink':
            ie = InventoryLink(file_id, name, parent_id)
        else:
            raise BzrError('unknown kind %r' % kind)
        ie.text_sha1 = text_sha_1
        ie.text_size = text_size
        return ie

    def add_dir(self, file_id, path):
        self.paths[file_id] = path
        self.ids[path] = file_id
    
    def add_file(self, file_id, path, contents):
        self.add_dir(file_id, path)
        self.contents[file_id] = contents

    def path2id(self, path):
        return self.ids.get(path)

    def id2path(self, file_id):
        return self.paths.get(file_id)

    def has_id(self, file_id):
        return self.id2path(file_id) is not None

    def get_file(self, file_id):
        result = StringIO()
        result.write(self.contents[file_id])
        result.seek(0,0)
        return result

    def contents_stats(self, file_id):
        if file_id not in self.contents:
            return None, None
        text_sha1 = sha_file(self.get_file(file_id))
        return text_sha1, len(self.contents[file_id])


class BTreeTester(TestCase):
    """A simple unittest tester for the BundleTree class."""

    def make_tree_1(self):
        mtree = MockTree()
        mtree.add_dir("a", "grandparent")
        mtree.add_dir("b", "grandparent/parent")
        mtree.add_file("c", "grandparent/parent/file", "Hello\n")
        mtree.add_dir("d", "grandparent/alt_parent")
        return BundleTree(mtree, ''), mtree
        
    def test_renames(self):
        """Ensure that file renames have the proper effect on children"""
        btree = self.make_tree_1()[0]
        self.assertEqual(btree.old_path("grandparent"), "grandparent")
        self.assertEqual(btree.old_path("grandparent/parent"), 
                         "grandparent/parent")
        self.assertEqual(btree.old_path("grandparent/parent/file"),
                         "grandparent/parent/file")

        self.assertEqual(btree.id2path("a"), "grandparent")
        self.assertEqual(btree.id2path("b"), "grandparent/parent")
        self.assertEqual(btree.id2path("c"), "grandparent/parent/file")

        self.assertEqual(btree.path2id("grandparent"), "a")
        self.assertEqual(btree.path2id("grandparent/parent"), "b")
        self.assertEqual(btree.path2id("grandparent/parent/file"), "c")

        assert btree.path2id("grandparent2") is None
        assert btree.path2id("grandparent2/parent") is None
        assert btree.path2id("grandparent2/parent/file") is None

        btree.note_rename("grandparent", "grandparent2")
        assert btree.old_path("grandparent") is None
        assert btree.old_path("grandparent/parent") is None
        assert btree.old_path("grandparent/parent/file") is None

        self.assertEqual(btree.id2path("a"), "grandparent2")
        self.assertEqual(btree.id2path("b"), "grandparent2/parent")
        self.assertEqual(btree.id2path("c"), "grandparent2/parent/file")

        self.assertEqual(btree.path2id("grandparent2"), "a")
        self.assertEqual(btree.path2id("grandparent2/parent"), "b")
        self.assertEqual(btree.path2id("grandparent2/parent/file"), "c")

        assert btree.path2id("grandparent") is None
        assert btree.path2id("grandparent/parent") is None
        assert btree.path2id("grandparent/parent/file") is None

        btree.note_rename("grandparent/parent", "grandparent2/parent2")
        self.assertEqual(btree.id2path("a"), "grandparent2")
        self.assertEqual(btree.id2path("b"), "grandparent2/parent2")
        self.assertEqual(btree.id2path("c"), "grandparent2/parent2/file")

        self.assertEqual(btree.path2id("grandparent2"), "a")
        self.assertEqual(btree.path2id("grandparent2/parent2"), "b")
        self.assertEqual(btree.path2id("grandparent2/parent2/file"), "c")

        assert btree.path2id("grandparent2/parent") is None
        assert btree.path2id("grandparent2/parent/file") is None

        btree.note_rename("grandparent/parent/file", 
                          "grandparent2/parent2/file2")
        self.assertEqual(btree.id2path("a"), "grandparent2")
        self.assertEqual(btree.id2path("b"), "grandparent2/parent2")
        self.assertEqual(btree.id2path("c"), "grandparent2/parent2/file2")

        self.assertEqual(btree.path2id("grandparent2"), "a")
        self.assertEqual(btree.path2id("grandparent2/parent2"), "b")
        self.assertEqual(btree.path2id("grandparent2/parent2/file2"), "c")

        assert btree.path2id("grandparent2/parent2/file") is None

    def test_moves(self):
        """Ensure that file moves have the proper effect on children"""
        btree = self.make_tree_1()[0]
        btree.note_rename("grandparent/parent/file", 
                          "grandparent/alt_parent/file")
        self.assertEqual(btree.id2path("c"), "grandparent/alt_parent/file")
        self.assertEqual(btree.path2id("grandparent/alt_parent/file"), "c")
        assert btree.path2id("grandparent/parent/file") is None

    def unified_diff(self, old, new):
        out = StringIO()
        internal_diff("old", old, "new", new, out)
        out.seek(0,0)
        return out.read()

    def make_tree_2(self):
        btree = self.make_tree_1()[0]
        btree.note_rename("grandparent/parent/file", 
                          "grandparent/alt_parent/file")
        assert btree.id2path("e") is None
        assert btree.path2id("grandparent/parent/file") is None
        btree.note_id("e", "grandparent/parent/file")
        return btree

    def test_adds(self):
        """File/inventory adds"""
        btree = self.make_tree_2()
        add_patch = self.unified_diff([], ["Extra cheese\n"])
        btree.note_patch("grandparent/parent/file", add_patch)
        btree.note_id('f', 'grandparent/parent/symlink', kind='symlink')
        btree.note_target('grandparent/parent/symlink', 'venus')
        self.adds_test(btree)

    def adds_test(self, btree):
        self.assertEqual(btree.id2path("e"), "grandparent/parent/file")
        self.assertEqual(btree.path2id("grandparent/parent/file"), "e")
        self.assertEqual(btree.get_file("e").read(), "Extra cheese\n")
        self.assertEqual(btree.get_symlink_target('f'), 'venus')

    def test_adds2(self):
        """File/inventory adds, with patch-compatibile renames"""
        btree = self.make_tree_2()
        btree.contents_by_id = False
        add_patch = self.unified_diff(["Hello\n"], ["Extra cheese\n"])
        btree.note_patch("grandparent/parent/file", add_patch)
        btree.note_id('f', 'grandparent/parent/symlink', kind='symlink')
        btree.note_target('grandparent/parent/symlink', 'venus')
        self.adds_test(btree)

    def make_tree_3(self):
        btree, mtree = self.make_tree_1()
        mtree.add_file("e", "grandparent/parent/topping", "Anchovies\n")
        btree.note_rename("grandparent/parent/file", 
                          "grandparent/alt_parent/file")
        btree.note_rename("grandparent/parent/topping", 
                          "grandparent/alt_parent/stopping")
        return btree

    def get_file_test(self, btree):
        self.assertEqual(btree.get_file("e").read(), "Lemon\n")
        self.assertEqual(btree.get_file("c").read(), "Hello\n")

    def test_get_file(self):
        """Get file contents"""
        btree = self.make_tree_3()
        mod_patch = self.unified_diff(["Anchovies\n"], ["Lemon\n"])
        btree.note_patch("grandparent/alt_parent/stopping", mod_patch)
        self.get_file_test(btree)

    def test_get_file2(self):
        """Get file contents, with patch-compatibile renames"""
        btree = self.make_tree_3()
        btree.contents_by_id = False
        mod_patch = self.unified_diff([], ["Lemon\n"])
        btree.note_patch("grandparent/alt_parent/stopping", mod_patch)
        mod_patch = self.unified_diff([], ["Hello\n"])
        btree.note_patch("grandparent/alt_parent/file", mod_patch)
        self.get_file_test(btree)

    def test_delete(self):
        "Deletion by bundle"
        btree = self.make_tree_1()[0]
        self.assertEqual(btree.get_file("c").read(), "Hello\n")
        btree.note_deletion("grandparent/parent/file")
        assert btree.id2path("c") is None
        assert btree.path2id("grandparent/parent/file") is None

    def sorted_ids(self, tree):
        ids = list(tree)
        ids.sort()
        return ids

    def test_iteration(self):
        """Ensure that iteration through ids works properly"""
        btree = self.make_tree_1()[0]
        self.assertEqual(self.sorted_ids(btree), ['a', 'b', 'c', 'd'])
        btree.note_deletion("grandparent/parent/file")
        btree.note_id("e", "grandparent/alt_parent/fool", kind="directory")
        btree.note_last_changed("grandparent/alt_parent/fool", 
                                "revisionidiguess")
        self.assertEqual(self.sorted_ids(btree), ['a', 'b', 'd', 'e'])


class BundleTester(TestCaseInTempDir):

    def create_bundle_text(self, base_rev_id, rev_id):
        bundle_txt = StringIO()
        rev_ids = write_bundle(self.b1.repository, rev_id, base_rev_id, 
                               bundle_txt)
        bundle_txt.seek(0)
        self.assertEqual(bundle_txt.readline(), 
                         '# Bazaar revision bundle v0.8\n')
        self.assertEqual(bundle_txt.readline(), '#\n')

        rev = self.b1.repository.get_revision(rev_id)
        self.assertEqual(bundle_txt.readline().decode('utf-8'),
                         u'# message:\n')

        open(',,bundle', 'wb').write(bundle_txt.getvalue())
        bundle_txt.seek(0)
        return bundle_txt, rev_ids

    def get_valid_bundle(self, base_rev_id, rev_id, checkout_dir=None):
        """Create a bundle from base_rev_id -> rev_id in built-in branch.
        Make sure that the text generated is valid, and that it
        can be applied against the base, and generate the same information.
        
        :return: The in-memory bundle 
        """
        bundle_txt, rev_ids = self.create_bundle_text(base_rev_id, rev_id)

        # This should also validate the generated bundle 
        bundle = read_bundle(bundle_txt)
        repository = self.b1.repository
        for bundle_rev in bundle.real_revisions:
            # These really should have already been checked when we read the
            # bundle, since it computes the sha1 hash for the revision, which
            # only will match if everything is okay, but lets be explicit about
            # it
            branch_rev = repository.get_revision(bundle_rev.revision_id)
            for a in ('inventory_sha1', 'revision_id', 'parent_ids',
                      'timestamp', 'timezone', 'message', 'committer', 
                      'parent_ids', 'properties'):
                self.assertEqual(getattr(branch_rev, a), 
                                 getattr(bundle_rev, a))
            self.assertEqual(len(branch_rev.parent_ids), 
                             len(bundle_rev.parent_ids))
        self.assertEqual(rev_ids, 
                         [r.revision_id for r in bundle.real_revisions])
        self.valid_apply_bundle(base_rev_id, bundle,
                                   checkout_dir=checkout_dir)

        return bundle

    def get_invalid_bundle(self, base_rev_id, rev_id):
        """Create a bundle from base_rev_id -> rev_id in built-in branch.
        Munge the text so that it's invalid.
        
        :return: The in-memory bundle
        """
        bundle_txt, rev_ids = self.create_bundle_text(base_rev_id, rev_id)
        new_text = bundle_txt.getvalue().replace('executable:no', 
                                               'executable:yes')
        bundle_txt = StringIO(new_text)
        bundle = read_bundle(bundle_txt)
        self.valid_apply_bundle(base_rev_id, bundle)
        return bundle 

    def test_non_bundle(self):
        self.assertRaises(NotABundle, read_bundle, StringIO('#!/bin/sh\n'))

    def test_malformed(self):
        self.assertRaises(BadBundle, read_bundle, 
                          StringIO('# Bazaar revision bundle v'))

    def test_crlf_bundle(self):
        try:
            read_bundle(StringIO('# Bazaar revision bundle v0.7\r\n'))
        except BadBundle:
            # It is currently permitted for bundles with crlf line endings to
            # make read_bundle raise a BadBundle, but this should be fixed.
            # Anything else, especially NotABundle, is an error.
            pass

    def get_checkout(self, rev_id, checkout_dir=None):
        """Get a new tree, with the specified revision in it.
        """
        from bzrlib.branch import Branch
        import tempfile

        if checkout_dir is None:
            checkout_dir = tempfile.mkdtemp(prefix='test-branch-', dir='.')
        else:
            import os
            if not os.path.exists(checkout_dir):
                os.mkdir(checkout_dir)
        tree = BzrDir.create_standalone_workingtree(checkout_dir)
        s = StringIO()
        ancestors = write_bundle(self.b1.repository, rev_id, None, s)
        s.seek(0)
        assert isinstance(s.getvalue(), str), (
            "Bundle isn't a bytestring:\n %s..." % repr(s.getvalue())[:40])
        install_bundle(tree.branch.repository, read_bundle(s))
        for ancestor in ancestors:
            old = self.b1.repository.revision_tree(ancestor)
            new = tree.branch.repository.revision_tree(ancestor)
            for inventory_id in old:
                try:
                    old_file = old.get_file(inventory_id)
                except:
                    continue
                if old_file is None:
                    continue
                self.assertEqual(old_file.read(),
                                 new.get_file(inventory_id).read())
        if rev_id is not None:
            rh = self.b1.revision_history()
            tree.branch.set_revision_history(rh[:rh.index(rev_id)+1])
            tree.update()
        return tree

    def valid_apply_bundle(self, base_rev_id, info, checkout_dir=None):
        """Get the base revision, apply the changes, and make
        sure everything matches the builtin branch.
        """
        to_tree = self.get_checkout(base_rev_id, checkout_dir=checkout_dir)
        repository = to_tree.branch.repository
        self.assertIs(repository.has_revision(base_rev_id), True)
        for rev in info.real_revisions:
            self.assert_(not repository.has_revision(rev.revision_id),
                'Revision {%s} present before applying bundle' 
                % rev.revision_id)
        merge_bundle(info, to_tree, True, Merge3Merger, False, False)

        for rev in info.real_revisions:
            self.assert_(repository.has_revision(rev.revision_id),
                'Missing revision {%s} after applying bundle' 
                % rev.revision_id)

        self.assert_(to_tree.branch.repository.has_revision(info.target))
        # Do we also want to verify that all the texts have been added?

        self.assert_(info.target in to_tree.pending_merges())


        rev = info.real_revisions[-1]
        base_tree = self.b1.repository.revision_tree(rev.revision_id)
        to_tree = to_tree.branch.repository.revision_tree(rev.revision_id)
        
        # TODO: make sure the target tree is identical to base tree
        #       we might also check the working tree.

        base_files = list(base_tree.list_files())
        to_files = list(to_tree.list_files())
        self.assertEqual(len(base_files), len(to_files))
        for base_file, to_file in zip(base_files, to_files):
            self.assertEqual(base_file, to_file)

        for path, status, kind, fileid, entry in base_files:
            # Check that the meta information is the same
            self.assertEqual(base_tree.get_file_size(fileid),
                    to_tree.get_file_size(fileid))
            self.assertEqual(base_tree.get_file_sha1(fileid),
                    to_tree.get_file_sha1(fileid))
            # Check that the contents are the same
            # This is pretty expensive
            # self.assertEqual(base_tree.get_file(fileid).read(),
            #         to_tree.get_file(fileid).read())

    def test_bundle(self):
        self.tree1 = BzrDir.create_standalone_workingtree('b1')
        self.b1 = self.tree1.branch

        open('b1/one', 'wb').write('one\n')
        self.tree1.add('one')
        self.tree1.commit('add one', rev_id='a@cset-0-1')

        bundle = self.get_valid_bundle(None, 'a@cset-0-1')
        # FIXME: The current write_bundle api no longer supports
        #        setting a custom summary message
        #        We should re-introduce the ability, and update
        #        the tests to make sure it works.
        # bundle = self.get_valid_bundle(None, 'a@cset-0-1',
        #         message='With a specialized message')

        # Make sure we can handle files with spaces, tabs, other
        # bogus characters
        self.build_tree([
                'b1/with space.txt'
                , 'b1/dir/'
                , 'b1/dir/filein subdir.c'
                , 'b1/dir/WithCaps.txt'
                , 'b1/dir/trailing space '
                , 'b1/sub/'
                , 'b1/sub/sub/'
                , 'b1/sub/sub/nonempty.txt'
                # Tabs are not valid in filenames on windows
                #'b1/with\ttab.txt'
                ])
        open('b1/sub/sub/emptyfile.txt', 'wb').close()
        open('b1/dir/nolastnewline.txt', 'wb').write('bloop')
        tt = TreeTransform(self.tree1)
        tt.new_file('executable', tt.root, '#!/bin/sh\n', 'exe-1', True)
        tt.apply()
        self.tree1.add([
                'with space.txt'
                , 'dir'
                , 'dir/filein subdir.c'
                , 'dir/WithCaps.txt'
                , 'dir/trailing space '
                , 'dir/nolastnewline.txt'
                , 'sub'
                , 'sub/sub'
                , 'sub/sub/nonempty.txt'
                , 'sub/sub/emptyfile.txt'
                ])
        self.tree1.commit('add whitespace', rev_id='a@cset-0-2')

        bundle = self.get_valid_bundle('a@cset-0-1', 'a@cset-0-2')

        # Check a rollup bundle 
        bundle = self.get_valid_bundle(None, 'a@cset-0-2')

        # Now delete entries
        self.tree1.remove(
                ['sub/sub/nonempty.txt'
                , 'sub/sub/emptyfile.txt'
                , 'sub/sub'
                ])
        tt = TreeTransform(self.tree1)
        trans_id = tt.trans_id_tree_file_id('exe-1')
        tt.set_executability(False, trans_id)
        tt.apply()
        self.tree1.commit('removed', rev_id='a@cset-0-3')
        
        bundle = self.get_valid_bundle('a@cset-0-2', 'a@cset-0-3')
        self.assertRaises(TestamentMismatch, self.get_invalid_bundle, 
                          'a@cset-0-2', 'a@cset-0-3')
        # Check a rollup bundle 
        bundle = self.get_valid_bundle(None, 'a@cset-0-3')


        # Now move the directory
        self.tree1.rename_one('dir', 'sub/dir')
        self.tree1.commit('rename dir', rev_id='a@cset-0-4')

        bundle = self.get_valid_bundle('a@cset-0-3', 'a@cset-0-4')
        # Check a rollup bundle 
        bundle = self.get_valid_bundle(None, 'a@cset-0-4')

        # Modified files
        open('b1/sub/dir/WithCaps.txt', 'ab').write('\nAdding some text\n')
        open('b1/sub/dir/trailing space ', 'ab').write('\nAdding some\nDOS format lines\n')
        open('b1/sub/dir/nolastnewline.txt', 'ab').write('\n')
        self.tree1.rename_one('sub/dir/trailing space ', 
                              'sub/ start and end space ')
        self.tree1.commit('Modified files', rev_id='a@cset-0-5')
        bundle = self.get_valid_bundle('a@cset-0-4', 'a@cset-0-5')

        # Handle international characters
        try:
            f = open(u'b1/with Dod\xe9', 'wb')
        except UnicodeEncodeError:
            raise TestSkipped("Filesystem doesn't support unicode")
        f.write((u'A file\n'
            u'With international man of mystery\n'
            u'William Dod\xe9\n').encode('utf-8'))
        self.tree1.add([u'with Dod\xe9'])
        # BUG: (sort of) You must set verbose=False, so that python doesn't try
        #       and print the name of William Dode as part of the commit
        self.tree1.commit(u'i18n commit from William Dod\xe9', 
                          rev_id='a@cset-0-6', committer=u'William Dod\xe9',
                          verbose=False)
        bundle = self.get_valid_bundle('a@cset-0-5', 'a@cset-0-6')
        self.tree1.rename_one('sub/dir/WithCaps.txt', 'temp')
        self.tree1.rename_one('with space.txt', 'WithCaps.txt')
        self.tree1.rename_one('temp', 'with space.txt')
        self.tree1.commit(u'swap filenames', rev_id='a@cset-0-7',
                          verbose=False)
        bundle = self.get_valid_bundle('a@cset-0-6', 'a@cset-0-7')
        other = self.get_checkout('a@cset-0-6')
        other.rename_one('sub/dir/nolastnewline.txt', 'sub/nolastnewline.txt')
        other.commit('rename file', rev_id='a@cset-0-7b')
        merge([other.basedir, -1], [None, None], this_dir=self.tree1.basedir)
        self.tree1.commit(u'Merge', rev_id='a@cset-0-8',
                          verbose=False)
        bundle = self.get_valid_bundle('a@cset-0-7', 'a@cset-0-8')

    def test_symlink_bundle(self):
        if not has_symlinks():
            raise TestSkipped("No symlink support")
        self.tree1 = BzrDir.create_standalone_workingtree('b1')
        self.b1 = self.tree1.branch
        tt = TreeTransform(self.tree1)
        tt.new_symlink('link', tt.root, 'bar/foo', 'link-1')
        tt.apply()
        self.tree1.commit('add symlink', rev_id='l@cset-0-1')
        self.get_valid_bundle(None, 'l@cset-0-1')
        tt = TreeTransform(self.tree1)
        trans_id = tt.trans_id_tree_file_id('link-1')
        tt.adjust_path('link2', tt.root, trans_id)
        tt.delete_contents(trans_id)
        tt.create_symlink('mars', trans_id)
        tt.apply()
        self.tree1.commit('rename and change symlink', rev_id='l@cset-0-2')
        self.get_valid_bundle('l@cset-0-1', 'l@cset-0-2')
        tt = TreeTransform(self.tree1)
        trans_id = tt.trans_id_tree_file_id('link-1')
        tt.delete_contents(trans_id)
        tt.create_symlink('jupiter', trans_id)
        tt.apply()
        self.tree1.commit('just change symlink target', rev_id='l@cset-0-3')
        self.get_valid_bundle('l@cset-0-2', 'l@cset-0-3')
        tt = TreeTransform(self.tree1)
        trans_id = tt.trans_id_tree_file_id('link-1')
        tt.delete_contents(trans_id)
        tt.apply()
        self.tree1.commit('Delete symlink', rev_id='l@cset-0-4')
        self.get_valid_bundle('l@cset-0-3', 'l@cset-0-4')

    def test_binary_bundle(self):
        self.tree1 = BzrDir.create_standalone_workingtree('b1')
        self.b1 = self.tree1.branch
        tt = TreeTransform(self.tree1)
        tt.new_file('file', tt.root, '\x00\xff', 'binary-1')
        tt.new_file('file2', tt.root, '\x00\xff', 'binary-2')
        tt.apply()
        self.tree1.commit('add binary', rev_id='b@cset-0-1')
        self.get_valid_bundle(None, 'b@cset-0-1')
        tt = TreeTransform(self.tree1)
        trans_id = tt.trans_id_tree_file_id('binary-1')
        tt.delete_contents(trans_id)
        tt.apply()
        self.tree1.commit('delete binary', rev_id='b@cset-0-2')
        self.get_valid_bundle('b@cset-0-1', 'b@cset-0-2')
        tt = TreeTransform(self.tree1)
        trans_id = tt.trans_id_tree_file_id('binary-2')
        tt.adjust_path('file3', tt.root, trans_id)
        tt.delete_contents(trans_id)
        tt.create_file('filecontents\x00', trans_id)
        tt.apply()
        self.tree1.commit('rename and modify binary', rev_id='b@cset-0-3')
        self.get_valid_bundle('b@cset-0-2', 'b@cset-0-3')
        tt = TreeTransform(self.tree1)
        trans_id = tt.trans_id_tree_file_id('binary-2')
        tt.delete_contents(trans_id)
        tt.create_file('\x00filecontents', trans_id)
        tt.apply()
        self.tree1.commit('just modify binary', rev_id='b@cset-0-4')
        self.get_valid_bundle('b@cset-0-3', 'b@cset-0-4')

    def test_last_modified(self):
        self.tree1 = BzrDir.create_standalone_workingtree('b1')
        self.b1 = self.tree1.branch
        tt = TreeTransform(self.tree1)
        tt.new_file('file', tt.root, 'file', 'file')
        tt.apply()
        self.tree1.commit('create file', rev_id='a@lmod-0-1')

        tt = TreeTransform(self.tree1)
        trans_id = tt.trans_id_tree_file_id('file')
        tt.delete_contents(trans_id)
        tt.create_file('file2', trans_id)
        tt.apply()
        self.tree1.commit('modify text', rev_id='a@lmod-0-2a')

        other = self.get_checkout('a@lmod-0-1')
        tt = TreeTransform(other)
        trans_id = tt.trans_id_tree_file_id('file')
        tt.delete_contents(trans_id)
        tt.create_file('file2', trans_id)
        tt.apply()
        other.commit('modify text in another tree', rev_id='a@lmod-0-2b')
        merge([other.basedir, -1], [None, None], this_dir=self.tree1.basedir)
        self.tree1.commit(u'Merge', rev_id='a@lmod-0-3',
                          verbose=False)
        self.tree1.commit(u'Merge', rev_id='a@lmod-0-4')
        bundle = self.get_valid_bundle('a@lmod-0-2a', 'a@lmod-0-4')

    def test_hide_history(self):
        self.tree1 = BzrDir.create_standalone_workingtree('b1')
        self.b1 = self.tree1.branch

        open('b1/one', 'wb').write('one\n')
        self.tree1.add('one')
        self.tree1.commit('add file', rev_id='a@cset-0-1')
        open('b1/one', 'wb').write('two\n')
        self.tree1.commit('modify', rev_id='a@cset-0-2')
        open('b1/one', 'wb').write('three\n')
        self.tree1.commit('modify', rev_id='a@cset-0-3')
        bundle_file = StringIO()
        rev_ids = write_bundle(self.tree1.branch.repository, 'a@cset-0-3',
                               'a@cset-0-1', bundle_file)
        self.assertNotContainsRe(bundle_file.getvalue(), 'two')
        self.assertContainsRe(bundle_file.getvalue(), 'one')
        self.assertContainsRe(bundle_file.getvalue(), 'three')


class MungedBundleTester(TestCaseWithTransport):

    def build_test_bundle(self):
        wt = self.make_branch_and_tree('b1')

        self.build_tree(['b1/one'])
        wt.add('one')
        wt.commit('add one', rev_id='a@cset-0-1')
        self.build_tree(['b1/two'])
        wt.add('two')
        wt.commit('add two', rev_id='a@cset-0-2')

        bundle_txt = StringIO()
        rev_ids = write_bundle(wt.branch.repository, 'a@cset-0-2',
                               'a@cset-0-1', bundle_txt)
        self.assertEqual(['a@cset-0-2'], rev_ids)
        bundle_txt.seek(0, 0)
        return bundle_txt

    def check_valid(self, bundle):
        """Check that after whatever munging, the final object is valid."""
        self.assertEqual(['a@cset-0-2'], 
            [r.revision_id for r in bundle.real_revisions])

    def test_extra_whitespace(self):
        bundle_txt = self.build_test_bundle()

        # Seek to the end of the file
        # Adding one extra newline used to give us
        # TypeError: float() argument must be a string or a number
        bundle_txt.seek(0, 2)
        bundle_txt.write('\n')
        bundle_txt.seek(0)

        bundle = read_bundle(bundle_txt)
        self.check_valid(bundle)

    def test_extra_whitespace_2(self):
        bundle_txt = self.build_test_bundle()

        # Seek to the end of the file
        # Adding two extra newlines used to give us
        # MalformedPatches: The first line of all patches should be ...
        bundle_txt.seek(0, 2)
        bundle_txt.write('\n\n')
        bundle_txt.seek(0)

        bundle = read_bundle(bundle_txt)
        self.check_valid(bundle)

    def test_missing_trailing_whitespace(self):
        bundle_txt = self.build_test_bundle()

        # Remove a trailing newline, it shouldn't kill the parser
        raw = bundle_txt.getvalue()
        # The contents of the bundle don't have to be this, but this
        # test is concerned with the exact case where the serializer
        # creates a blank line at the end, and fails if that
        # line is stripped
        self.assertEqual('\n\n', raw[-2:])
        bundle_text = StringIO(raw[:-1])

        bundle = read_bundle(bundle_txt)
        self.check_valid(bundle)

1185.82.7 by John Arbash Meinel Adding patches.py into bzrlib, including the tests into the test suite.	1	# Copyright (C) 2004-2006 by Canonical Ltd
	2
	3	# This program is free software; you can redistribute it and/or modify
	4	# it under the terms of the GNU General Public License as published by
	5	# the Free Software Foundation; either version 2 of the License, or
	6	# (at your option) any later version.
	7
	8	# This program is distributed in the hope that it will be useful,
	9	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	# GNU General Public License for more details.
	12
	13	# You should have received a copy of the GNU General Public License
	14	# along with this program; if not, write to the Free Software
	15	# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
0.5.66 by John Arbash Meinel Refactoring, moving test code into test (switching back to assert is None)	16
1793.3.2 by John Arbash Meinel (failing) add some tests which munge trailing whitespace	17	from cStringIO import StringIO
0.5.66 by John Arbash Meinel Refactoring, moving test code into test (switching back to assert is None)	18
1185.82.130 by Aaron Bentley Rename changesets to revision bundles	19	from bzrlib.builtins import merge
1185.82.40 by Aaron Bentley Started work on testing install_revisions/handling empty changesets	20	from bzrlib.bzrdir import BzrDir
1185.82.130 by Aaron Bentley Rename changesets to revision bundles	21	from bzrlib.bundle.apply_bundle import install_bundle, merge_bundle
1793.2.3 by Aaron Bentley Rename read_bundle.py to bundle_data.py	22	from bzrlib.bundle.bundle_data import BundleTree
1793.2.2 by Aaron Bentley Move BundleReader into v07 serializer	23	from bzrlib.bundle.serializer import write_bundle, read_bundle
1185.82.90 by Aaron Bentley Reorganized test suite	24	from bzrlib.diff import internal_diff
1793.2.7 by Aaron Bentley Fix reporting of malformed, (especially, crlf) bundles	25	from bzrlib.errors import BzrError, TestamentMismatch, NotABundle, BadBundle
1185.82.44 by Aaron Bentley Switch to merge_changeset in test suite	26	from bzrlib.merge import Merge3Merger
1185.82.87 by Aaron Bentley Got symlink adding working	27	from bzrlib.osutils import has_symlinks, sha_file
1793.3.2 by John Arbash Meinel (failing) add some tests which munge trailing whitespace	28	from bzrlib.tests import (TestCaseInTempDir, TestCaseWithTransport,
	29	TestCase, TestSkipped)
1185.82.66 by Aaron Bentley Handle new executable files	30	from bzrlib.transform import TreeTransform
1185.82.17 by Aaron Bentley More API updates	31	from bzrlib.workingtree import WorkingTree
0.5.66 by John Arbash Meinel Refactoring, moving test code into test (switching back to assert is None)	32
1185.82.90 by Aaron Bentley Reorganized test suite	33
0.5.66 by John Arbash Meinel Refactoring, moving test code into test (switching back to assert is None)	34	class MockTree(object):
	35	def __init__(self):
0.6.1 by Aaron Bentley Fleshed out MockTree, fixed all test failures	36	from bzrlib.inventory import RootEntry, ROOT_ID
0.5.66 by John Arbash Meinel Refactoring, moving test code into test (switching back to assert is None)	37	object.__init__(self)
0.6.1 by Aaron Bentley Fleshed out MockTree, fixed all test failures	38	self.paths = {ROOT_ID: ""}
	39	self.ids = {"": ROOT_ID}
0.5.66 by John Arbash Meinel Refactoring, moving test code into test (switching back to assert is None)	40	self.contents = {}