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Viewing changes to bzrlib/tests/test_osutils_encodings.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2009-08-27 02:27:19 UTC
  • mfrom: (4634.3.19 gc-batching)
  • Revision ID: pqm@pqm.ubuntu.com-20090827022719-bl2yoqhpj3fcfczu
(andrew) Fix #402657: 2a fetch over dumb transport reads one group at
        a time.

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bzrlib/tests/test_osutils_encodings.py
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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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"""Tests for the osutils wrapper."""
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import os
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import sys
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import bzrlib
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from bzrlib import (
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    errors,
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    osutils,
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    )
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from bzrlib.tests import (
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        StringIOWrapper,
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        TestCase, 
 
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        TestCase,
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        )
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class FakeCodec(object):
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    """Special class that helps testing over several non-existed encodings.
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    Clients can add new encoding names, but because of how codecs is
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    implemented they cannot be removed. Be careful with naming to avoid
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    collisions between tests.
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            self._registered = True
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        if encoding_name is not None:
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            self._enabled_encodings.add(encoding_name)
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    def __call__(self, encoding_name):
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        """Called indirectly by codecs module during lookup"""
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        if encoding_name in self._enabled_encodings:
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class TestFakeCodec(TestCase):
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    def test_fake_codec(self):
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        self.assertRaises(LookupError, codecs.lookup, 'fake')
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    """Test the auto-detection of proper terminal encoding."""
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    def setUp(self):
 
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        TestCase.setUp(self)
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        self._stdout = sys.stdout
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        self._stderr = sys.stderr
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        self._stdin = sys.stdin
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        self._user_encoding = bzrlib.user_encoding
 
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        self._user_encoding = osutils._cached_user_encoding
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        self.addCleanup(self._reset)
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    def make_wrapped_streams(self, 
 
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    def make_wrapped_streams(self,
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                             stdout_encoding,
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                             stderr_encoding,
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                             stdin_encoding,
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        sys.stderr.encoding = stderr_encoding
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        sys.stdin = StringIOWrapper()
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        sys.stdin.encoding = stdin_encoding
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        bzrlib.user_encoding = user_encoding
 
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        osutils._cached_user_encoding = user_encoding
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        if enable_fake_encodings:
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            fake_codec.add(stdout_encoding)
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            fake_codec.add(stderr_encoding)
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        sys.stdout = self._stdout
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        sys.stderr = self._stderr
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        sys.stdin = self._stdin
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        bzrlib.user_encoding = self._user_encoding
 
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        osutils._cached_user_encoding = self._user_encoding
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    def test_get_terminal_encoding(self):
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        self.make_wrapped_streams('stdout_encoding',
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        self.assertEqual('stdin_encoding', osutils.get_terminal_encoding())
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        sys.stdin.encoding = None
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        # and in the worst case, use bzrlib.user_encoding
 
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        # and in the worst case, use osutils.get_user_encoding()
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        self.assertEqual('user_encoding', osutils.get_terminal_encoding())
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    def test_terminal_cp0(self):
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                                  'cp-unknown',
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                                  user_encoding='latin-1',
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                                  enable_fake_encodings=False)
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        self.assertEqual('latin-1', osutils.get_terminal_encoding())
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        # check stderr
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        self.assertEquals('bzr: warning: unknown terminal encoding cp-unknown.\n'
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                          '  Using encoding latin-1 instead.\n', 
 
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                          '  Using encoding latin-1 instead.\n',
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                          sys.stderr.getvalue())
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class TestUserEncoding(TestCase):
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    """Test detection of default user encoding."""
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    def setUp(self):
 
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        TestCase.setUp(self)
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        self._stderr = sys.stderr
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        self._getpreferredencoding = locale.getpreferredencoding
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        self.addCleanup(self._reset)