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# 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_no_such_id(self):
error = errors.NoSuchId("atree", "anid")
self.assertEqualDiff("The file id anid is not present in the tree "
"atree.",
str(error))
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 ErrorWithBadFormat(errors.BzrNewError):
"""One format specifier: %(thing)s"""
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)
def test_mismatched_format_args(self):
# Even though ErrorWithBadFormat's format string does not match the
# arguments we constructing it with, we can still stringify an instance
# of this exception. The resulting string will say its unprintable.
e = ErrorWithBadFormat(not_thing='x')
self.assertStartsWith(
str(e), 'Unprintable exception ErrorWithBadFormat(')
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