~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2005-2009, 2011, 2012, 2016 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

from bzrlib.tests import TestNotApplicable

from bzrlib.tests.per_workingtree import TestCaseWithWorkingTree

import bzrlib.xml6

class TestBasisInventory(TestCaseWithWorkingTree):

    def test_create(self):

        # This test is not applicable to DirState based trees: the basis is

        # not separate is mandatory.

        if isinstance(self.workingtree_format,

            bzrlib.workingtree_4.DirStateWorkingTreeFormat):

            raise TestNotApplicable("not applicable to %r"

                % (self.workingtree_format,))

        # TODO: jam 20051218 this probably should add more than just

        #                    a couple files to the inventory

        # Make sure the basis file is created by a commit

        t = self.make_branch_and_tree('.')

        b = t.branch

        with open('a', 'wb') as f: f.write('a\n')

        t.add('a')

        t.commit('a', rev_id='r1')

        self.assertTrue(t._transport.has('basis-inventory-cache'))

        basis_inv = t.basis_tree().root_inventory

        self.assertEqual('r1', basis_inv.revision_id)

        store_inv = b.repository.get_inventory('r1')

        self.assertEqual([], store_inv._make_delta(basis_inv))

        with open('b', 'wb') as f: f.write('b\n')

        t.add('b')

        t.commit('b', rev_id='r2')

        self.assertTrue(t._transport.has('basis-inventory-cache'))

        basis_inv_txt = t.read_basis_inventory()

        basis_inv = bzrlib.xml7.serializer_v7.read_inventory_from_string(basis_inv_txt)

        self.assertEqual('r2', basis_inv.revision_id)

        store_inv = b.repository.get_inventory('r2')

        self.assertEqual([], store_inv._make_delta(basis_inv))

    def test_wrong_format(self):

        """WorkingTree.basis safely ignores junk basis inventories"""

        # This test is not applicable to DirState based trees: the basis is

        # not separate and ignorable.

        if isinstance(self.workingtree_format,

            bzrlib.workingtree_4.DirStateWorkingTreeFormat):

            raise TestNotApplicable("not applicable to %r"

                % (self.workingtree_format,))

        t = self.make_branch_and_tree('.')

        b = t.branch

        with open('a', 'wb') as f: f.write('a\n')

        t.add('a')

        t.commit('a', rev_id='r1')

        t._transport.put_bytes('basis-inventory-cache', 'booga')

        t.basis_tree()

        t._transport.put_bytes('basis-inventory-cache', '<xml/>')

        t.basis_tree()

        t._transport.put_bytes('basis-inventory-cache', '<inventory />')

        t.basis_tree()

        t._transport.put_bytes('basis-inventory-cache',

            '<inventory format="pi"/>')

        t.basis_tree()