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Viewing changes to bzrlib/tests/test_cache_utf8.py

  • Committer: John Arbash Meinel
  • Date: 2006-07-18 18:57:54 UTC
  • mto: This revision was merged to the branch mainline in revision 1868.
  • Revision ID: john@arbash-meinel.com-20060718185754-4007745748e28db9
Commit timestamp restricted to 1ms precision.

The old code would restrict to 1s resolution if the timestamp was
supplied, while it preserved full resolution if the timestamp was
auto generated. Now both paths preserve only 1ms resolution.

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bzrlib/tests/test_cache_utf8.py
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# Copyright (C) 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Tests for utf8 caching."""
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from bzrlib import (
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    cache_utf8,
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    )
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from bzrlib.tests import TestCase
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class TestEncodeCache(TestCase):
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    def setUp(self):
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        super(TestEncodeCache, self).setUp()
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        cache_utf8.clear_encoding_cache()
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        self.addCleanup(cache_utf8.clear_encoding_cache)
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    def check_encode(self, rev_id):
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        rev_id_utf8 = rev_id.encode('utf-8')
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        self.failIf(rev_id in cache_utf8._unicode_to_utf8_map)
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        self.failIf(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
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        # After a single encode, the mapping should exist for
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        # both directions
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        self.assertEqual(rev_id_utf8, cache_utf8.encode(rev_id))
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        self.failUnless(rev_id in cache_utf8._unicode_to_utf8_map)
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        self.failUnless(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
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        self.assertEqual(rev_id, cache_utf8.decode(rev_id_utf8))
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        cache_utf8.clear_encoding_cache()
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        self.failIf(rev_id in cache_utf8._unicode_to_utf8_map)
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        self.failIf(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
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    def check_decode(self, rev_id):
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        rev_id_utf8 = rev_id.encode('utf-8')
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        self.failIf(rev_id in cache_utf8._unicode_to_utf8_map)
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        self.failIf(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
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        # After a single decode, the mapping should exist for
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        # both directions
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        self.assertEqual(rev_id, cache_utf8.decode(rev_id_utf8))
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        self.failUnless(rev_id in cache_utf8._unicode_to_utf8_map)
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        self.failUnless(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
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        self.assertEqual(rev_id_utf8, cache_utf8.encode(rev_id))
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        cache_utf8.clear_encoding_cache()
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        self.failIf(rev_id in cache_utf8._unicode_to_utf8_map)
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        self.failIf(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
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    def test_ascii(self):
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        self.check_decode(u'all_ascii_characters123123123')
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        self.check_encode(u'all_ascii_characters123123123')
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    def test_unicode(self):
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        self.check_encode(u'some_\xb5_unicode_\xe5_chars')
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        self.check_decode(u'some_\xb5_unicode_\xe5_chars')
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    def test_cached_unicode(self):
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        x = u'\xb5yy' + u'\xe5zz'
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        y = u'\xb5yy' + u'\xe5zz'
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        self.failIf(x is y)
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        xp = cache_utf8.get_cached_unicode(x)
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        yp = cache_utf8.get_cached_unicode(y)
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        self.assertIs(xp, x)
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        self.assertIs(xp, yp)
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    def test_cached_utf8(self):
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        x = u'\xb5yy\xe5zz'.encode('utf8')
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        y = u'\xb5yy\xe5zz'.encode('utf8')
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        self.failIf(x is y)
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        xp = cache_utf8.get_cached_utf8(x)
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        yp = cache_utf8.get_cached_utf8(y)
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        self.assertIs(xp, x)
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        self.assertIs(xp, yp)
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    def test_cached_ascii(self):
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        x = '%s %s' % ('simple', 'text')
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        y = '%s %s' % ('simple', 'text')
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        self.failIf(x is y)
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        xp = cache_utf8.get_cached_ascii(x)
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        yp = cache_utf8.get_cached_ascii(y)
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        self.assertIs(xp, x)
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        self.assertIs(xp, yp)
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        # after caching, encode and decode should also return the right
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        # objects.
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        uni_x = cache_utf8.decode(x)
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        self.assertEqual(u'simple text', uni_x)
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        self.assertIsInstance(uni_x, unicode)
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        utf8_x = cache_utf8.encode(uni_x)
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        self.assertIs(utf8_x, x)
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    def test_decode_with_None(self):
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        self.assertEqual(None, cache_utf8._utf8_decode_with_None(None))
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        self.assertEqual(u'foo', cache_utf8._utf8_decode_with_None('foo'))
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        self.assertEqual(u'f\xb5',
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                         cache_utf8._utf8_decode_with_None('f\xc2\xb5'))