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# Copyright (C) 2006 by Canonical Ltd
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# Authors: Robert Collins <robert.collins@canonical.com>
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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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# 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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# 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 formatting and construction of errors."""
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from bzrlib.tests import TestCase, TestCaseWithTransport
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class TestErrors(TestCaseWithTransport):
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def test_inventory_modified(self):
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error = errors.InventoryModified("a tree to be repred")
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self.assertEqualDiff("The current inventory for the tree 'a tree to "
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"be repred' has been modified, so a clean inventory cannot be "
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"read without data loss.",
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def test_no_repo(self):
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dir = bzrdir.BzrDir.create(self.get_url())
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error = errors.NoRepositoryPresent(dir)
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self.assertNotEqual(-1, str(error).find((dir.transport.clone('..').base)))
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self.assertEqual(-1, str(error).find((dir.transport.base)))
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def test_no_such_id(self):
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error = errors.NoSuchId("atree", "anid")
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self.assertEqualDiff("The file id anid is not present in the tree "
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def test_not_write_locked(self):
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error = errors.NotWriteLocked('a thing to repr')
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self.assertEqualDiff("'a thing to repr' is not write locked but needs "
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def test_up_to_date(self):
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error = errors.UpToDateFormat(bzrdir.BzrDirFormat4())
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self.assertEqualDiff("The branch format Bazaar-NG branch, "
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"format 0.0.4 is already at the most "
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def test_corrupt_repository(self):
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repo = self.make_repository('.')
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error = errors.CorruptRepository(repo)
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self.assertEqualDiff("An error has been detected in the repository %s.\n"
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"Please run bzr reconcile on this repository." %
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repo.bzrdir.root_transport.base,
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class PassThroughError(errors.BzrNewError):
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"""Pass through %(foo)s and %(bar)s"""
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def __init__(self, foo, bar):
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errors.BzrNewError.__init__(self, foo=foo, bar=bar)
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class ErrorWithBadFormat(errors.BzrNewError):
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"""One format specifier: %(thing)s"""
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class TestErrorFormatting(TestCase):
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def test_always_str(self):
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e = PassThroughError(u'\xb5', 'bar')
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self.assertIsInstance(e.__str__(), str)
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# In Python str(foo) *must* return a real byte string
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# not a Unicode string. The following line would raise a
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# Unicode error, because it tries to call str() on the string
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# returned from e.__str__(), and it has non ascii characters
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self.assertEqual('Pass through \xc2\xb5 and bar', s)
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def test_mismatched_format_args(self):
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# Even though ErrorWithBadFormat's format string does not match the
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# arguments we constructing it with, we can still stringify an instance
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# of this exception. The resulting string will say its unprintable.
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e = ErrorWithBadFormat(not_thing='x')
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self.assertStartsWith(
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str(e), 'Unprintable exception ErrorWithBadFormat(')
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class TestSpecificErrors(TestCase):
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def test_transport_not_possible(self):
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e = errors.TransportNotPossible('readonly', 'original error')
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self.assertEqual('Transport operation not possible:'
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' readonly original error', str(e))
added
removed
bzrlib/tests/test_errors.py
