~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006, 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 the generic Tree.walkdirs interface."""

import os

from bzrlib import tests

from bzrlib.osutils import has_symlinks

from bzrlib.tests.per_tree import TestCaseWithTree

class TestWalkdirs(TestCaseWithTree):

    def get_all_subdirs_expected(self, tree, symlinks):

        dirblocks = [

            (('', tree.path2id('')),

             [('0file', '0file', 'file', None, '2file', 'file'),

              ('1top-dir', '1top-dir', 'directory', None,

               '1top-dir', 'directory'),

              (u'2utf\u1234file', u'2utf\u1234file', 'file', None,

               u'0utf\u1234file'.encode('utf8'), 'file'),

              ]),

            (('1top-dir', '1top-dir'),

             [('1top-dir/0file-in-1topdir', '0file-in-1topdir',

               'file', None, '1file-in-1topdir', 'file'),

              ('1top-dir/1dir-in-1topdir', '1dir-in-1topdir',

               'directory', None, '0dir-in-1topdir', 'directory'),

              ]),

            (('1top-dir/1dir-in-1topdir', '0dir-in-1topdir'),

             []),

            ]

        if symlinks:

            dirblocks[0][1].append(('symlink', 'symlink', 'symlink', None,

                                    'symlink', 'symlink'))

        return dirblocks

    def test_walkdir_root(self):

        tree = self.get_tree_with_subdirs_and_all_supported_content_types(

            has_symlinks())

        tree.lock_read()

        expected_dirblocks = self.get_all_subdirs_expected(tree, has_symlinks())

        # test that its iterable by iterating

        result = []

        for dirinfo, block in tree.walkdirs():

            newblock = []

            for row in block:

                if row[4] is not None:

                    newblock.append(row[0:3] + (None,) + row[4:])

                else:

                    newblock.append(row)

            result.append((dirinfo, newblock))

        tree.unlock()

        # check each return value for debugging ease.

        for pos, item in enumerate(expected_dirblocks):

            self.assertEqual(item, result[pos])

        self.assertEqual(len(expected_dirblocks), len(result))

    def test_walkdir_subtree(self):

        tree = self.get_tree_with_subdirs_and_all_supported_content_types(has_symlinks())

        # test that its iterable by iterating

        result = []

        tree.lock_read()

        expected_dirblocks = self.get_all_subdirs_expected(tree, has_symlinks())[1:]

        for dirinfo, block in tree.walkdirs('1top-dir'):

            newblock = []

            for row in block:

                if row[4] is not None:

                    newblock.append(row[0:3] + (None,) + row[4:])

                else:

                    newblock.append(row)

            result.append((dirinfo, newblock))

        tree.unlock()

        # check each return value for debugging ease.

        for pos, item in enumerate(expected_dirblocks):

            self.assertEqual(item, result[pos])

        self.assertEqual(len(expected_dirblocks), len(result))

    def test_walkdir_versioned_kind(self):

        work_tree = self.make_branch_and_tree('tree')

        work_tree.set_root_id('tree-root')

        self.build_tree(['tree/file', 'tree/dir/'])

        work_tree.add(['file', 'dir'], ['file-id', 'dir-id'])

        os.unlink('tree/file')

        os.rmdir('tree/dir')

        tree = self._convert_tree(work_tree)

        tree.lock_read()

        self.addCleanup(tree.unlock)

        if tree.path2id('file') is None:

            raise tests.TestNotApplicable(

                'Tree type cannot represent dangling ids.')

        expected = [(('', 'tree-root'), [

            ('dir', 'dir', 'unknown', None, 'dir-id', 'directory'),

            ('file', 'file', 'unknown', None, 'file-id', 'file')]),

            (('dir', 'dir-id'), [])]

        self.assertEqual(expected, list(tree.walkdirs()))