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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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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Tests for utf8 caching."""
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from . import TestCase
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from bzrlib.tests import TestCase
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class TestEncodeCache(TestCase):
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super(TestEncodeCache, self).setUp()
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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.assertFalse(rev_id in cache_utf8._unicode_to_utf8_map)
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self.assertFalse(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
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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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self.assertEqual(rev_id_utf8, cache_utf8.encode(rev_id))
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self.assertTrue(rev_id in cache_utf8._unicode_to_utf8_map)
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self.assertTrue(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
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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.assertFalse(rev_id in cache_utf8._unicode_to_utf8_map)
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self.assertFalse(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
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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.assertFalse(rev_id in cache_utf8._unicode_to_utf8_map)
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self.assertFalse(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
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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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self.assertEqual(rev_id, cache_utf8.decode(rev_id_utf8))
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self.assertTrue(rev_id in cache_utf8._unicode_to_utf8_map)
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self.assertTrue(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
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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.assertFalse(rev_id in cache_utf8._unicode_to_utf8_map)
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self.assertFalse(rev_id_utf8 in cache_utf8._utf8_to_unicode_map)
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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_decode(u'some_\xb5_unicode_\xe5_chars')
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def test_cached_unicode(self):
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# Note that this is intentionally split, to prevent Python from
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# assigning x and y to the same object
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self.assertIsNot(x, y)
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x = u'\xb5yy' + u'\xe5zz'
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y = u'\xb5yy' + u'\xe5zz'
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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, yp)
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def test_cached_ascii(self):
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x = b'%s %s' % (b'simple', b'text')
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y = b'%s %s' % (b'simple', b'text')
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self.assertIsNot(x, y)
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x = '%s %s' % ('simple', 'text')
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y = '%s %s' % ('simple', 'text')
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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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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, str)
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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(b'foo'))
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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(b'f\xc2\xb5'))
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cache_utf8._utf8_decode_with_None('f\xc2\xb5'))