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bzrlib/tests/blackbox/test_command_encoding.py
 
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# Copyright (C) 2005 by Canonical Ltd
 
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# -*- coding: utf-8 -*-
 
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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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""Tests for the Command.encoding_type interface."""
 
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from bzrlib.tests import TestCase
 
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from bzrlib.commands import Command, register_command, plugin_cmds
 
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class cmd_echo_exact(Command):
 
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    """This command just repeats what it is given.
 
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    It decodes the argument, and then writes it to stdout.
 
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    """
 
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    takes_args = ['text']
 
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    encoding_type = 'exact'
 
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    def run(self, text=None):
 
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        self.outf.write(text)
 
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class cmd_echo_strict(cmd_echo_exact):
 
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    """Replace bogus unicode characters."""
 
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    encoding_type = 'strict'
 
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class cmd_echo_replace(cmd_echo_exact):
 
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    """Replace bogus unicode characters."""
 
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    encoding_type = 'replace'
 
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class TestCommandEncoding(TestCase):
 
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    def test_exact(self):
 
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        def bzr(*args, **kwargs):
 
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            return self.run_bzr(*args, **kwargs)[0]
 
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        register_command(cmd_echo_exact)
 
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        try:
 
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            self.assertEqual('foo', bzr('echo-exact', 'foo'))
 
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            # This is cheating a little bit, because 'foo\xb5' shouldn't
 
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            # get past main()
 
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            self.assertEqual('foo\xb5', bzr('echo-exact', 'foo\xb5'))
 
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            # Exact should fail to decode the string
 
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            bzr('echo-exact', u'foo\xb5', retcode=3)
 
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        finally:
 
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            plugin_cmds.pop('echo-exact')
 
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    def test_strict_utf8(self):
 
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        def bzr(*args, **kwargs):
 
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            kwargs['encoding'] = 'utf-8'
 
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            return self.run_bzr(*args, **kwargs)[0]
 
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        register_command(cmd_echo_strict)
 
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        try:
 
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            self.assertEqual('foo', bzr('echo-strict', 'foo'))
 
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            self.assertEqual(u'foo\xb5'.encode('utf-8'),
 
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                bzr('echo-strict', u'foo\xb5'))
 
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        finally:
 
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            plugin_cmds.pop('echo-strict')
 
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    def test_strict_ascii(self):
 
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        def bzr(*args, **kwargs):
 
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            kwargs['encoding'] = 'ascii'
 
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            return self.run_bzr(*args, **kwargs)[0]
 
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        register_command(cmd_echo_strict)
 
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        try:
 
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            self.assertEqual('foo', bzr('echo-strict', 'foo'))
 
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            # ascii can't encode \xb5
 
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            bzr('echo-strict', u'foo\xb5', retcode=3)
 
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        finally:
 
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            plugin_cmds.pop('echo-strict')
 
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    def test_replace_utf8(self):
 
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        def bzr(*args, **kwargs):
 
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            kwargs['encoding'] = 'utf-8'
 
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            return self.run_bzr(*args, **kwargs)[0]
 
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        register_command(cmd_echo_replace)
 
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        try:
 
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            self.assertEqual('foo', bzr('echo-replace', 'foo'))
 
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            self.assertEqual(u'foo\xb5'.encode('utf-8'),
 
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                             bzr('echo-replace', u'foo\xb5'))
 
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        finally:
 
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            plugin_cmds.pop('echo-replace')
 
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    def test_replace_ascii(self):
 
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        def bzr(*args, **kwargs):
 
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            kwargs['encoding'] = 'ascii'
 
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            return self.run_bzr(*args, **kwargs)[0]
 
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        register_command(cmd_echo_replace)
 
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        try:
 
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            self.assertEqual('foo', bzr('echo-replace', 'foo'))
 
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            # ascii can't encode \xb5
 
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            self.assertEqual('foo?', bzr('echo-replace', u'foo\xb5'))
 
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        finally:
 
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            plugin_cmds.pop('echo-replace')
 
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