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Viewing changes to bzrlib/tests/test_nonascii.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2009-03-24 05:12:24 UTC
  • mfrom: (4189.1.1 integration)
  • Revision ID: pqm@pqm.ubuntu.com-20090324051224-rneg6bkbzjyd85rl
(mbp) merge update to FSF address

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bzrlib/tests/test_nonascii.py
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# Copyright (C) 2005 by Canonical Ltd
 
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# Copyright (C) 2005 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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#
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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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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Test that various operations work in a non-ASCII environment."""
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import os
 
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import sys
 
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from unicodedata import normalize
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from bzrlib import osutils
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from bzrlib.osutils import pathjoin
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from bzrlib.tests import TestCaseWithTransport, TestSkipped
 
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from bzrlib.tests import TestCase, TestCaseWithTransport, TestSkipped
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from bzrlib.workingtree import WorkingTree
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            return
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        file(pathjoin(br_dir, "a"), "w").write("hello")
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        wt.add(["a"], ["a-id"])
 
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a_circle_c = u'\xe5'
 
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a_circle_d = u'a\u030a'
 
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a_dots_c = u'\xe4'
 
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a_dots_d = u'a\u0308'
 
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z_umlat_c = u'\u017d'
 
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z_umlat_d = u'Z\u030c'
 
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squared_c = u'\xbc' # This gets mapped to '2' if we use NFK[CD]
 
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squared_d = u'\xbc'
 
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quarter_c = u'\xb2' # Gets mapped to u'1\u20444' (1/4) if we use NFK[CD]
 
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quarter_d = u'\xb2'
 
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class TestNormalization(TestCase):
 
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    """Verify that we have our normalizations correct."""
 
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    def test_normalize(self):
 
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        self.assertEqual(a_circle_d, normalize('NFD', a_circle_c))
 
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        self.assertEqual(a_circle_c, normalize('NFC', a_circle_d))
 
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        self.assertEqual(a_dots_d, normalize('NFD', a_dots_c))
 
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        self.assertEqual(a_dots_c, normalize('NFC', a_dots_d))
 
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        self.assertEqual(z_umlat_d, normalize('NFD', z_umlat_c))
 
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        self.assertEqual(z_umlat_c, normalize('NFC', z_umlat_d))
 
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        self.assertEqual(squared_d, normalize('NFC', squared_c))
 
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        self.assertEqual(squared_c, normalize('NFD', squared_d))
 
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        self.assertEqual(quarter_d, normalize('NFC', quarter_c))
 
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        self.assertEqual(quarter_c, normalize('NFD', quarter_d))
 
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class NormalizedFilename(TestCaseWithTransport):
 
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    """Test normalized_filename and associated helpers"""
 
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    def test__accessible_normalized_filename(self):
 
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        anf = osutils._accessible_normalized_filename
 
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        # normalized_filename should allow plain ascii strings
 
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        # not just unicode strings
 
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        self.assertEqual((u'ascii', True), anf('ascii'))
 
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        self.assertEqual((a_circle_c, True), anf(a_circle_c))
 
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        self.assertEqual((a_circle_c, True), anf(a_circle_d))
 
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        self.assertEqual((a_dots_c, True), anf(a_dots_c))
 
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        self.assertEqual((a_dots_c, True), anf(a_dots_d))
 
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        self.assertEqual((z_umlat_c, True), anf(z_umlat_c))
 
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        self.assertEqual((z_umlat_c, True), anf(z_umlat_d))
 
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        self.assertEqual((squared_c, True), anf(squared_c))
 
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        self.assertEqual((squared_c, True), anf(squared_d))
 
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        self.assertEqual((quarter_c, True), anf(quarter_c))
 
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        self.assertEqual((quarter_c, True), anf(quarter_d))
 
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    def test__inaccessible_normalized_filename(self):
 
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        inf = osutils._inaccessible_normalized_filename
 
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        # normalized_filename should allow plain ascii strings
 
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        # not just unicode strings
 
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        self.assertEqual((u'ascii', True), inf('ascii'))
 
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        self.assertEqual((a_circle_c, True), inf(a_circle_c))
 
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        self.assertEqual((a_circle_c, False), inf(a_circle_d))
 
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        self.assertEqual((a_dots_c, True), inf(a_dots_c))
 
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        self.assertEqual((a_dots_c, False), inf(a_dots_d))
 
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        self.assertEqual((z_umlat_c, True), inf(z_umlat_c))
 
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        self.assertEqual((z_umlat_c, False), inf(z_umlat_d))
 
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        self.assertEqual((squared_c, True), inf(squared_c))
 
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        self.assertEqual((squared_c, True), inf(squared_d))
 
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        self.assertEqual((quarter_c, True), inf(quarter_c))
 
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        self.assertEqual((quarter_c, True), inf(quarter_d))
 
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    def test_functions(self):
 
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        if osutils.normalizes_filenames():
 
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            self.assertEqual(osutils.normalized_filename,
 
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                             osutils._accessible_normalized_filename)
 
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        else:
 
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            self.assertEqual(osutils.normalized_filename,
 
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                             osutils._inaccessible_normalized_filename)
 
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    def test_platform(self):
 
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        # With FAT32 and certain encodings on win32
 
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        # a_circle_c and a_dots_c actually map to the same file
 
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        # adding a suffix kicks in the 'preserving but insensitive'
 
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        # route, and maintains the right files
 
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        files = [a_circle_c+'.1', a_dots_c+'.2', z_umlat_c+'.3']
 
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        try:
 
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            self.build_tree(files)
 
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        except UnicodeError:
 
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            raise TestSkipped("filesystem cannot create unicode files")
 
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        if sys.platform == 'darwin':
 
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            expected = sorted([a_circle_d+'.1', a_dots_d+'.2', z_umlat_d+'.3'])
 
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        else:
 
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            expected = sorted(files)
 
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        present = sorted(os.listdir(u'.'))
 
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        self.assertEqual(expected, present)
 
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    def test_access_normalized(self):
 
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        # We should always be able to access files created with
 
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        # normalized filenames
 
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        # With FAT32 and certain encodings on win32
 
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        # a_circle_c and a_dots_c actually map to the same file
 
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        # adding a suffix kicks in the 'preserving but insensitive'
 
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        # route, and maintains the right files
 
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        files = [a_circle_c+'.1', a_dots_c+'.2', z_umlat_c+'.3',
 
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                 squared_c+'.4', quarter_c+'.5']
 
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        try:
 
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            self.build_tree(files, line_endings='native')
 
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        except UnicodeError:
 
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            raise TestSkipped("filesystem cannot create unicode files")
 
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        for fname in files:
 
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            # We should get an exception if we can't open the file at
 
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            # this location.
 
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            path, can_access = osutils.normalized_filename(fname)
 
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            self.assertEqual(path, fname)
 
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            self.assertTrue(can_access)
 
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            f = open(path, 'rb')
 
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            try:
 
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                # Check the contents
 
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                shouldbe = 'contents of %s%s' % (path.encode('utf8'),
 
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                                                 os.linesep)
 
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                actual = f.read()
 
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            finally:
 
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                f.close()
 
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            self.assertEqual(shouldbe, actual,
 
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                             'contents of %r is incorrect: %r != %r'
 
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                             % (path, shouldbe, actual))
 
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    def test_access_non_normalized(self):
 
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        # Sometimes we can access non-normalized files by their normalized
 
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        # path, verify that normalized_filename returns the right info
 
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        files = [a_circle_d+'.1', a_dots_d+'.2', z_umlat_d+'.3']
 
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        try:
 
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            self.build_tree(files)
 
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        except UnicodeError:
 
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            raise TestSkipped("filesystem cannot create unicode files")
 
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        for fname in files:
 
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            # We should get an exception if we can't open the file at
 
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            # this location.
 
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            path, can_access = osutils.normalized_filename(fname)
 
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182
            self.assertNotEqual(path, fname)
 
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            # We should always be able to access them from the name
 
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            # they were created with
 
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            f = open(fname, 'rb')
 
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            f.close()
 
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            # And normalized_filename sholud tell us correctly if we can
 
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            # access them by an alternate name
 
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            if can_access:
 
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                f = open(path, 'rb')
 
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                f.close()
 
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            else:
 
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                self.assertRaises(IOError, open, path, 'rb')