← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_cache_utf8.py

  • Committer: Martin Pool
  • Date: 2007-07-11 04:15:48 UTC
  • mto: This revision was merged to the branch mainline in revision 2605.
  • Revision ID: mbp@sourcefrog.net-20070711041548-n1om2ptyj2j01r6l
Clean up old/unused global options

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/tests/test_cache_utf8.py
 
1
# Copyright (C) 2006 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
16
 
 
17
"""Tests for utf8 caching."""
 
18
 
 
19
from bzrlib import (
 
20
    cache_utf8,
 
21
    )
 
22
from bzrlib.tests import TestCase
 
23
 
 
24
 
 
25
class TestEncodeCache(TestCase):
 
26
    
 
27
    def setUp(self):
 
28
        super(TestEncodeCache, self).setUp()
 
29
        cache_utf8.clear_encoding_cache()
 
30
        self.addCleanup(cache_utf8.clear_encoding_cache)
 
31
 
 
32
    def check_encode(self, rev_id):
 
33
        rev_id_utf8 = rev_id.encode('utf-8')
 
34
        self.failIf(rev_id in cache_utf8._unicode_to_utf8_map)
 
35
        self.failIf(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
 
36
 
 
37
        # After a single encode, the mapping should exist for
 
38
        # both directions
 
39
        self.assertEqual(rev_id_utf8, cache_utf8.encode(rev_id))
 
40
        self.failUnless(rev_id in cache_utf8._unicode_to_utf8_map)
 
41
        self.failUnless(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
 
42
 
 
43
        self.assertEqual(rev_id, cache_utf8.decode(rev_id_utf8))
 
44
 
 
45
        cache_utf8.clear_encoding_cache()
 
46
        self.failIf(rev_id in cache_utf8._unicode_to_utf8_map)
 
47
        self.failIf(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
 
48
 
 
49
    def check_decode(self, rev_id):
 
50
        rev_id_utf8 = rev_id.encode('utf-8')
 
51
        self.failIf(rev_id in cache_utf8._unicode_to_utf8_map)
 
52
        self.failIf(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
 
53
 
 
54
        # After a single decode, the mapping should exist for
 
55
        # both directions
 
56
        self.assertEqual(rev_id, cache_utf8.decode(rev_id_utf8))
 
57
        self.failUnless(rev_id in cache_utf8._unicode_to_utf8_map)
 
58
        self.failUnless(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
 
59
 
 
60
        self.assertEqual(rev_id_utf8, cache_utf8.encode(rev_id))
 
61
        cache_utf8.clear_encoding_cache()
 
62
 
 
63
        self.failIf(rev_id in cache_utf8._unicode_to_utf8_map)
 
64
        self.failIf(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
 
65
 
 
66
    def test_ascii(self):
 
67
        self.check_decode(u'all_ascii_characters123123123')
 
68
        self.check_encode(u'all_ascii_characters123123123')
 
69
 
 
70
    def test_unicode(self):
 
71
        self.check_encode(u'some_\xb5_unicode_\xe5_chars')
 
72
        self.check_decode(u'some_\xb5_unicode_\xe5_chars')
 
73
 
 
74
    def test_cached_unicode(self):
 
75
        x = u'\xb5yy' + u'\xe5zz'
 
76
        y = u'\xb5yy' + u'\xe5zz'
 
77
        self.failIf(x is y)
 
78
        xp = cache_utf8.get_cached_unicode(x)
 
79
        yp = cache_utf8.get_cached_unicode(y)
 
80
 
 
81
        self.assertIs(xp, x)
 
82
        self.assertIs(xp, yp)
 
83
 
 
84
    def test_cached_utf8(self):
 
85
        x = u'\xb5yy\xe5zz'.encode('utf8')
 
86
        y = u'\xb5yy\xe5zz'.encode('utf8')
 
87
        self.failIf(x is y)
 
88
        xp = cache_utf8.get_cached_utf8(x)
 
89
        yp = cache_utf8.get_cached_utf8(y)
 
90
 
 
91
        self.assertIs(xp, x)
 
92
        self.assertIs(xp, yp)
 
93
 
 
94
    def test_cached_ascii(self):
 
95
        x = '%s %s' % ('simple', 'text')
 
96
        y = '%s %s' % ('simple', 'text')
 
97
        self.failIf(x is y)
 
98
        xp = cache_utf8.get_cached_ascii(x)
 
99
        yp = cache_utf8.get_cached_ascii(y)
 
100
 
 
101
        self.assertIs(xp, x)
 
102
        self.assertIs(xp, yp)
 
103
 
 
104
        # after caching, encode and decode should also return the right
 
105
        # objects.
 
106
        uni_x = cache_utf8.decode(x)
 
107
        self.assertEqual(u'simple text', uni_x)
 
108
        self.assertIsInstance(uni_x, unicode)
 
109
 
 
110
        utf8_x = cache_utf8.encode(uni_x)
 
111
        self.assertIs(utf8_x, x)
 
112
 
 
113
    def test_decode_with_None(self):
 
114
        self.assertEqual(None, cache_utf8._utf8_decode_with_None(None))
 
115
        self.assertEqual(u'foo', cache_utf8._utf8_decode_with_None('foo'))
 
116
        self.assertEqual(u'f\xb5',
 
117
                         cache_utf8._utf8_decode_with_None('f\xc2\xb5'))