~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2005, 2007 Canonical Ltd

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Tests for the Command.encoding_type interface."""

from bzrlib.tests import TestCase

from bzrlib.commands import Command, register_command, plugin_cmds

class cmd_echo_exact(Command):

    """This command just repeats what it is given.

    It decodes the argument, and then writes it to stdout.

    """

    takes_args = ['text']

    encoding_type = 'exact'

    def run(self, text=None):

        self.outf.write(text)

class cmd_echo_strict(cmd_echo_exact):

    """Raise a UnicodeError for unrepresentable characters."""

    encoding_type = 'strict'

class cmd_echo_replace(cmd_echo_exact):

    """Replace bogus unicode characters."""

    encoding_type = 'replace'

class TestCommandEncoding(TestCase):

    def test_exact(self):

        def bzr(*args, **kwargs):

            return self.run_bzr(*args, **kwargs)[0]

        register_command(cmd_echo_exact)

        try:

            self.assertEqual('foo', bzr('echo-exact foo'))

            # Exact should fail to decode the string

            self.assertRaises(UnicodeEncodeError,

                bzr,

                ['echo-exact', u'foo\xb5'])

            # Previously a non-ascii bytestring was also tested, as 'exact'

            # outputs bytes untouched, but needed buggy argv parsing to work

        finally:

            plugin_cmds.remove('echo-exact')

    def test_strict_utf8(self):

        def bzr(*args, **kwargs):

            kwargs['encoding'] = 'utf-8'

            return self.run_bzr(*args, **kwargs)[0]

        register_command(cmd_echo_strict)

        try:

            self.assertEqual('foo', bzr('echo-strict foo'))

            self.assertEqual(u'foo\xb5'.encode('utf-8'),

                             bzr(['echo-strict', u'foo\xb5']))

        finally:

            plugin_cmds.remove('echo-strict')

    def test_strict_ascii(self):

        def bzr(*args, **kwargs):

            kwargs['encoding'] = 'ascii'

            return self.run_bzr(*args, **kwargs)[0]

        register_command(cmd_echo_strict)

        try:

            self.assertEqual('foo', bzr('echo-strict foo'))

            # ascii can't encode \xb5

            self.assertRaises(UnicodeEncodeError,

                bzr,

                ['echo-strict', u'foo\xb5'])

        finally:

            plugin_cmds.remove('echo-strict')

    def test_replace_utf8(self):

        def bzr(*args, **kwargs):

            kwargs['encoding'] = 'utf-8'

            return self.run_bzr(*args, **kwargs)[0]

        register_command(cmd_echo_replace)

        try:

            self.assertEqual('foo', bzr('echo-replace foo'))

            self.assertEqual(u'foo\xb5'.encode('utf-8'),

                             bzr(['echo-replace', u'foo\xb5']))

        finally:

            plugin_cmds.remove('echo-replace')

    def test_replace_ascii(self):

        def bzr(*args, **kwargs):

            kwargs['encoding'] = 'ascii'

            return self.run_bzr(*args, **kwargs)[0]

        register_command(cmd_echo_replace)

        try:

            self.assertEqual('foo', bzr('echo-replace foo'))

            # ascii can't encode \xb5

            self.assertEqual('foo?', bzr(['echo-replace', u'foo\xb5']))

        finally:

            plugin_cmds.remove('echo-replace')