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bzrlib/tests/tree_implementations/test_walkdirs.py
 
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# Copyright (C) 2006, 2007 Canonical Ltd
 
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#
 
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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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#
 
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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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#
 
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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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"""Tests for the generic Tree.walkdirs interface."""
 
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import os
 
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from bzrlib import tests
 
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from bzrlib.osutils import has_symlinks
 
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from bzrlib.tests.tree_implementations import TestCaseWithTree
 
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class TestWalkdirs(TestCaseWithTree):
 
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    def get_all_subdirs_expected(self, tree, symlinks):
 
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        if symlinks:
 
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            return [
 
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                (('', tree.path2id('')),
 
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                [
 
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                 ('0file', '0file', 'file', None, '2file', 'file'),
 
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                 ('1top-dir', '1top-dir', 'directory', None, '1top-dir', 'directory'),
 
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                 (u'2utf\u1234file', u'2utf\u1234file', 'file', None,
 
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                                         u'0utf\u1234file'.encode('utf8'), 'file'),
 
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                 ('symlink', 'symlink', 'symlink', None, 'symlink', 'symlink')
 
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                ]),
 
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                (('1top-dir', '1top-dir'),
 
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                [('1top-dir/0file-in-1topdir', '0file-in-1topdir', 'file', None, '1file-in-1topdir', 'file'),
 
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                 ('1top-dir/1dir-in-1topdir', '1dir-in-1topdir', 'directory', None, '0dir-in-1topdir', 'directory'),
 
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                ]),
 
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                (('1top-dir/1dir-in-1topdir', '0dir-in-1topdir'),
 
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                [
 
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                ]),
 
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                ]
 
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        else:
 
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            return [
 
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                (('', tree.path2id('')),
 
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                [
 
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                 ('0file', '0file', 'file', None, '2file', 'file'),
 
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                 ('1top-dir', '1top-dir', 'directory', None, '1top-dir', 'directory'),
 
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                 (u'2utf\u1234file', u'2utf\u1234file', 'file', None,
 
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                                         u'0utf\u1234file'.encode('utf8'), 'file'),
 
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                ]),
 
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                (('1top-dir', '1top-dir'),
 
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                [('1top-dir/0file-in-1topdir', '0file-in-1topdir', 'file', None, '1file-in-1topdir', 'file'),
 
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                 ('1top-dir/1dir-in-1topdir', '1dir-in-1topdir', 'directory', None, '0dir-in-1topdir', 'directory'),
 
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                ]),
 
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                (('1top-dir/1dir-in-1topdir', '0dir-in-1topdir'),
 
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                [
 
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                ]),
 
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                ]
 
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    def test_walkdir_root(self):
 
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        tree = self.get_tree_with_subdirs_and_all_supported_content_types(has_symlinks())
 
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        tree.lock_read()
 
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        expected_dirblocks = self.get_all_subdirs_expected(tree, has_symlinks())
 
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        # test that its iterable by iterating
 
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        result = []
 
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        for dirinfo, block in tree.walkdirs():
 
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            newblock = []
 
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            for row in block:
 
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                if row[4] is not None:
 
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                    newblock.append(row[0:3] + (None,) + row[4:])
 
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                else:
 
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                    newblock.append(row)
 
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            result.append((dirinfo, newblock))
 
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        tree.unlock()
 
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        # check each return value for debugging ease.
 
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        for pos, item in enumerate(expected_dirblocks):
 
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            self.assertEqual(item, result[pos])
 
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        self.assertEqual(len(expected_dirblocks), len(result))
 
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    def test_walkdir_subtree(self):
 
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        tree = self.get_tree_with_subdirs_and_all_supported_content_types(has_symlinks())
 
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        # test that its iterable by iterating
 
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        result = []
 
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        tree.lock_read()
 
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        expected_dirblocks = self.get_all_subdirs_expected(tree, has_symlinks())[1:]
 
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        for dirinfo, block in tree.walkdirs('1top-dir'):
 
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            newblock = []
 
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            for row in block:
 
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                if row[4] is not None:
 
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                    newblock.append(row[0:3] + (None,) + row[4:])
 
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                else:
 
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                    newblock.append(row)
 
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            result.append((dirinfo, newblock))
 
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        tree.unlock()
 
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        # check each return value for debugging ease.
 
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        for pos, item in enumerate(expected_dirblocks):
 
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            self.assertEqual(item, result[pos])
 
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        self.assertEqual(len(expected_dirblocks), len(result))
 
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    def test_walkdir_versioned_kind(self):
 
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        work_tree = self.make_branch_and_tree('tree')
 
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        work_tree.set_root_id('tree-root')
 
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        self.build_tree(['tree/file', 'tree/dir/'])
 
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        work_tree.add(['file', 'dir'], ['file-id', 'dir-id'])
 
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        os.unlink('tree/file')
 
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        os.rmdir('tree/dir')
 
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        tree = self._convert_tree(work_tree)
 
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        tree.lock_read()
 
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        self.addCleanup(tree.unlock)
 
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        if tree.path2id('file') is None:
 
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            raise tests.TestNotApplicable(
 
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                'Tree type cannot represent dangling ids.')
 
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        expected = [(('', 'tree-root'), [
 
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            ('dir', 'dir', 'unknown', None, 'dir-id', 'directory'),
 
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            ('file', 'file', 'unknown', None, 'file-id', 'file')]),
 
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            (('dir', 'dir-id'), [])]
 
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        self.assertEqual(expected, list(tree.walkdirs()))