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path: root/bzrlib/tests/per_workingtree/test_inv.py
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# Copyright (C) 2007 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

"""Tests for interface conformance of inventories of working trees."""


import os

from bzrlib import inventory, tests
from bzrlib.tests.per_workingtree import TestCaseWithWorkingTree


class TestRevert(TestCaseWithWorkingTree):

    def test_dangling_id(self):
        wt = self.make_branch_and_tree('b1')
        wt.lock_tree_write()
        self.addCleanup(wt.unlock)
        self.assertEqual(len(wt.all_file_ids()), 1)
        with open('b1/a', 'wb') as f: f.write('a test\n')
        wt.add('a')
        self.assertEqual(len(wt.all_file_ids()), 2)
        wt.flush() # workaround revert doing wt._write_inventory for now.
        os.unlink('b1/a')
        wt.revert()
        self.assertEqual(len(wt.all_file_ids()), 1)


class TestApplyInventoryDelta(TestCaseWithWorkingTree):

    def setUp(self):
        super(TestApplyInventoryDelta, self).setUp()
        if not self.bzrdir_format.repository_format.supports_full_versioned_files:
            raise tests.TestNotApplicable(
                "format does not support inventory deltas")

    def test_add(self):
        wt = self.make_branch_and_tree('.')
        wt.lock_write()
        self.addCleanup(wt.unlock)
        root_id = wt.get_root_id()
        wt.apply_inventory_delta([(None, 'bar/foo', 'foo-id',
            inventory.InventoryFile('foo-id', 'foo', parent_id='bar-id')),
            (None, 'bar', 'bar-id', inventory.InventoryDirectory('bar-id',
            'bar', parent_id=root_id))])
        self.assertEqual('bar/foo', wt.id2path('foo-id'))
        self.assertEqual('bar', wt.id2path('bar-id'))

    def test_remove(self):
        wt = self.make_branch_and_tree('.')
        wt.lock_write()
        self.addCleanup(wt.unlock)
        self.build_tree(['foo/', 'foo/bar'])
        wt.add(['foo', 'foo/bar'], ['foo-id', 'bar-id'])
        wt.apply_inventory_delta([('foo', None, 'foo-id', None),
                                  ('foo/bar', None, 'bar-id', None)])
        self.assertIs(None, wt.path2id('foo'))

    def test_rename_dir_with_children(self):
        wt = self.make_branch_and_tree('.')
        wt.lock_write()
        root_id = wt.get_root_id()
        self.addCleanup(wt.unlock)
        self.build_tree(['foo/', 'foo/bar'])
        wt.add(['foo', 'foo/bar'],
               ['foo-id', 'bar-id'])
        wt.apply_inventory_delta([('foo', 'baz', 'foo-id',
            inventory.InventoryDirectory('foo-id', 'baz', root_id))])
        # foo/bar should have been followed the rename of its parent to baz/bar
        self.assertEqual('baz', wt.id2path('foo-id'))
        self.assertEqual('baz/bar', wt.id2path('bar-id'))

    def test_rename_dir_with_children_with_children(self):
        wt = self.make_branch_and_tree('.')
        wt.lock_write()
        root_id = wt.get_root_id()
        self.addCleanup(wt.unlock)
        self.build_tree(['foo/', 'foo/bar/', 'foo/bar/baz'])
        wt.add(['foo', 'foo/bar', 'foo/bar/baz'],
               ['foo-id', 'bar-id', 'baz-id'])
        wt.apply_inventory_delta([('foo', 'quux', 'foo-id',
            inventory.InventoryDirectory('foo-id', 'quux', root_id))])
        # foo/bar/baz should have been followed the rename of its parent's
        # parent to quux/bar/baz
        self.assertEqual('quux/bar/baz', wt.id2path('baz-id'))

    def test_rename_file(self):
        wt = self.make_branch_and_tree('.')
        wt.lock_write()
        self.addCleanup(wt.unlock)
        self.build_tree(['foo/', 'foo/bar', 'baz/'])
        wt.add(['foo', 'foo/bar', 'baz'],
               ['foo-id', 'bar-id', 'baz-id'])
        wt.apply_inventory_delta([('foo/bar', 'baz/bar', 'bar-id',
            inventory.InventoryFile('bar-id', 'bar', 'baz-id'))])
        self.assertEqual('baz/bar', wt.id2path('bar-id'))

    def test_rename_swap(self):
        """Test the swap-names edge case.

        foo and bar should swap names, but retain their children.  If this
        works, any simpler rename ought to work.
        """
        wt = self.make_branch_and_tree('.')
        wt.lock_write()
        root_id = wt.get_root_id()
        self.addCleanup(wt.unlock)
        self.build_tree(['foo/', 'foo/bar', 'baz/', 'baz/qux'])
        wt.add(['foo', 'foo/bar', 'baz', 'baz/qux'],
               ['foo-id', 'bar-id', 'baz-id', 'qux-id'])
        wt.apply_inventory_delta([('foo', 'baz', 'foo-id',
            inventory.InventoryDirectory('foo-id', 'baz', root_id)),
            ('baz', 'foo', 'baz-id',
            inventory.InventoryDirectory('baz-id', 'foo', root_id))])
        self.assertEqual('baz/bar', wt.id2path('bar-id'))
        self.assertEqual('foo/qux', wt.id2path('qux-id'))

    def test_child_rename_ordering(self):
        """Test the rename-parent, move child edge case.

        (A naive implementation may move the parent first, and then be
         unable to find the child.)
        """
        wt = self.make_branch_and_tree('.')
        root_id = wt.get_root_id()
        self.build_tree(['dir/', 'dir/child', 'other/'])
        wt.add(['dir', 'dir/child', 'other'],
               ['dir-id', 'child-id', 'other-id'])
        # this delta moves dir-id to dir2 and reparents
        # child-id to a parent of other-id
        wt.apply_inventory_delta([('dir', 'dir2', 'dir-id',
            inventory.InventoryDirectory('dir-id', 'dir2', root_id)),
            ('dir/child', 'other/child', 'child-id',
             inventory.InventoryFile('child-id', 'child', 'other-id'))])
        self.assertEqual('dir2', wt.id2path('dir-id'))
        self.assertEqual('other/child', wt.id2path('child-id'))

    def test_replace_root(self):
        wt = self.make_branch_and_tree('.')
        wt.lock_write()
        self.addCleanup(wt.unlock)

        root_id = wt.get_root_id()
        wt.apply_inventory_delta([('', None, root_id, None),
            (None, '', 'root-id',
             inventory.InventoryDirectory('root-id', '', None))])


class TestTreeReference(TestCaseWithWorkingTree):

    def test_tree_reference_matches_inv(self):
        base = self.make_branch_and_tree('base')
        if base.branch.repository._format.supports_full_versioned_files:
            raise tests.TestNotApplicable(
                "format does not support inventory deltas")
        if not base.supports_tree_reference():
            raise tests.TestNotApplicable("wt doesn't support nested trees")
        # We add it as a directory, but it becomes a tree-reference
        base.add(['subdir'], ['subdir-id'], ['directory'])
        subdir = self.make_branch_and_tree('base/subdir')
        self.addCleanup(base.lock_read().unlock)
        # Note: we aren't strict about ie.kind being 'directory' here, what we
        # are strict about is that wt.inventory should match
        # wt.current_dirstate()'s idea about what files are where.
        ie = base.inventory['subdir-id']
        self.assertEqual('directory', ie.kind)
        path, ie = base.iter_entries_by_dir(['subdir-id']).next()
        self.assertEqual('subdir', path)
        self.assertEqual('tree-reference', ie.kind)