~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2008, 2009, 2010 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 win32 walkdir extension."""

import errno

from bzrlib import (

    osutils,

    tests,

    )

win32_readdir_feature = tests.ModuleAvailableFeature('bzrlib._walkdirs_win32')

class TestWin32Finder(tests.TestCaseInTempDir):

    _test_needs_features = [win32_readdir_feature]

    def setUp(self):

        super(TestWin32Finder, self).setUp()

        from bzrlib._walkdirs_win32 import (

            Win32ReadDir,

            )

        self.reader = Win32ReadDir()

    def _remove_stat_from_dirblock(self, dirblock):

        return [info[:3] + info[4:] for info in dirblock]

    def assertWalkdirs(self, expected, top, prefix=''):

        old_selected_dir_reader = osutils._selected_dir_reader

        try:

            osutils._selected_dir_reader = self.reader

            finder = osutils._walkdirs_utf8(top, prefix=prefix)

            result = []

            for dirname, dirblock in finder:

                dirblock = self._remove_stat_from_dirblock(dirblock)

                result.append((dirname, dirblock))

            self.assertEqual(expected, result)

        finally:

            osutils._selected_dir_reader = old_selected_dir_reader

    def assertReadDir(self, expected, prefix, top_unicode):

        result = self._remove_stat_from_dirblock(

            self.reader.read_dir(prefix, top_unicode))

        self.assertEqual(expected, result)

    def test_top_prefix_to_starting_dir(self):

        # preparing an iteration should create a unicode native path.

        self.assertEqual(('prefix', None, None, None, u'\x12'),

            self.reader.top_prefix_to_starting_dir(u'\x12'.encode('utf8'),

                                                   'prefix'))

    def test_empty_directory(self):

        self.assertReadDir([], 'prefix', u'.')

        self.assertWalkdirs([(('', u'.'), [])], u'.')

    def test_file(self):

        self.build_tree(['foo'])

        self.assertReadDir([('foo', 'foo', 'file', u'./foo')],

            '', u'.')

    def test_directory(self):

        self.build_tree(['bar/'])

        self.assertReadDir([('bar', 'bar', 'directory', u'./bar')],

            '', u'.')

    def test_prefix(self):

        self.build_tree(['bar/', 'baf'])

        self.assertReadDir([

            ('xxx/baf', 'baf', 'file', u'./baf'),

            ('xxx/bar', 'bar', 'directory', u'./bar'),

            ],

            'xxx', u'.')

    def test_missing_dir(self):

        e = self.assertRaises(WindowsError,

            self.reader.read_dir, 'prefix', u'no_such_dir')

        self.assertEqual(errno.ENOENT, e.errno)

        self.assertEqual(3, e.winerror)

        self.assertEqual((3, u'no_such_dir/*'), e.args)