~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006 by Canonical Ltd

#   Authors: Robert Collins <robert.collins@canonical.com>

#

# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

"""Tests for the formatting and construction of errors."""

from bzrlib import (

    bzrdir,

    errors,

    )

from bzrlib.tests import TestCase, TestCaseWithTransport

class TestErrors(TestCaseWithTransport):

    def test_no_repo(self):

        dir = bzrdir.BzrDir.create(self.get_url())

        error = errors.NoRepositoryPresent(dir)

        self.assertNotEqual(-1, str(error).find((dir.transport.clone('..').base)))

        self.assertEqual(-1, str(error).find((dir.transport.base)))

    def test_up_to_date(self):

        error = errors.UpToDateFormat(bzrdir.BzrDirFormat4())

        self.assertEqualDiff("The branch format Bazaar-NG branch, "

                             "format 0.0.4 is already at the most "

                             "recent format.",

                             str(error))

    def test_corrupt_repository(self):

        repo = self.make_repository('.')

        error = errors.CorruptRepository(repo)

        self.assertEqualDiff("An error has been detected in the repository %s.\n"

                             "Please run bzr reconcile on this repository." %

                             repo.bzrdir.root_transport.base,

                             str(error))

class PassThroughError(errors.BzrNewError):

    """Pass through %(foo)s and %(bar)s"""

    def __init__(self, foo, bar):

        errors.BzrNewError.__init__(self, foo=foo, bar=bar)

class TestErrorFormatting(TestCase):

    def test_always_str(self):

        e = PassThroughError(u'\xb5', 'bar')

        self.assertIsInstance(e.__str__(), str)

        # In Python str(foo) *must* return a real byte string

        # not a Unicode string. The following line would raise a

        # Unicode error, because it tries to call str() on the string

        # returned from e.__str__(), and it has non ascii characters

        s = str(e)

        self.assertEqual('Pass through \xc2\xb5 and bar', s)