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bzrlib/tests/test__walkdirs_win32.py
 
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# Copyright (C) 2008 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 win32 walkdir extension."""
 
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import errno
 
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from bzrlib import (
 
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    osutils,
 
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    tests,
 
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    )
 
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class _Win32ReadDirFeature(tests.Feature):
 
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    def _probe(self):
 
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        try:
 
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            import bzrlib._walkdirs_win32
 
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        except ImportError:
 
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            return False
 
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        else:
 
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            return True
 
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    def feature_name(self):
 
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        return 'bzrlib._Win32ReadDir'
 
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Win32ReadDirFeature = _Win32ReadDirFeature()
 
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class TestWin32Finder(tests.TestCaseInTempDir):
 
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    _test_needs_features = [Win32ReadDirFeature]
 
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    def setUp(self):
 
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        super(TestWin32Finder, self).setUp()
 
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        from bzrlib._walkdirs_win32 import (
 
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            Win32ReadDir,
 
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            )
 
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        self.reader = Win32ReadDir()
 
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    def _remove_stat_from_dirblock(self, dirblock):
 
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        return [info[:3] + info[4:] for info in dirblock]
 
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    def assertWalkdirs(self, expected, top, prefix=''):
 
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        old_selected_dir_reader = osutils._selected_dir_reader
 
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        try:
 
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            osutils._selected_dir_reader = self.reader
 
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            finder = osutils._walkdirs_utf8(top, prefix=prefix)
 
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            result = []
 
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            for dirname, dirblock in finder:
 
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                dirblock = self._remove_stat_from_dirblock(dirblock)
 
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                result.append((dirname, dirblock))
 
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            self.assertEqual(expected, result)
 
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        finally:
 
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            osutils._selected_dir_reader = old_selected_dir_reader
 
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    def assertReadDir(self, expected, prefix, top_unicode):
 
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        result = self._remove_stat_from_dirblock(
 
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            self.reader.read_dir(prefix, top_unicode))
 
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        self.assertEqual(expected, result)
 
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    def test_top_prefix_to_starting_dir(self):
 
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        # preparing an iteration should create a unicode native path.
 
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        self.assertEqual(('prefix', None, None, None, u'\x12'),
 
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            self.reader.top_prefix_to_starting_dir(u'\x12'.encode('utf8'),
 
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                                                   'prefix'))
 
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    def test_empty_directory(self):
 
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        self.assertReadDir([], 'prefix', u'.')
 
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        self.assertWalkdirs([(('', u'.'), [])], u'.')
 
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    def test_file(self):
 
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        self.build_tree(['foo'])
 
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        self.assertReadDir([('foo', 'foo', 'file', u'./foo')],
 
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            '', u'.')
 
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    def test_dir(self):
 
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        self.build_tree(['bar/'])
 
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        self.assertReadDir([('bar', 'bar', 'directory', u'./bar')],
 
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            '', u'.')
 
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    def test_prefix(self):
 
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        self.build_tree(['bar/', 'baf'])
 
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        self.assertReadDir([
 
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            ('xxx/baf', 'baf', 'file', u'./baf'),
 
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            ('xxx/bar', 'bar', 'directory', u'./bar'),
 
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            ],
 
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            'xxx', u'.')
 
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    def test_missing_dir(self):
 
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        e = self.assertRaises(WindowsError,
 
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            self.reader.read_dir, 'prefix', u'no_such_dir')
 
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        self.assertEqual(errno.ENOENT, e.errno)
 
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        self.assertEqual(3, e.winerror)
 
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        self.assertEqual((3, u'no_such_dir/*'), e.args)