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# Copyright (C) 2006-2011 Canonical Ltd
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# Copyright (C) 2006-2010 Canonical Ltd
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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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from bzrlib.tests import (
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TestCaseWithTransport,
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from bzrlib.tests import TestCase, TestCaseWithTransport
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class TestErrors(TestCaseWithTransport):
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def test_no_arg_named_message(self):
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"""Ensure the __init__ and _fmt in errors do not have "message" arg.
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This test fails if __init__ or _fmt in errors has an argument
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named "message" as this can cause errors in some Python versions.
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Python 2.5 uses a slot for StandardError.message.
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fmt_pattern = re.compile("%\(message\)[sir]")
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subclasses_present = getattr(errors.BzrError, '__subclasses__', None)
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if not subclasses_present:
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raise TestSkipped('__subclasses__ attribute required for classes. '
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'Requires Python 2.5 or later.')
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for c in errors.BzrError.__subclasses__():
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init = getattr(c, '__init__', None)
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fmt = getattr(c, '_fmt', None)
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args = inspect.getargspec(init)[0]
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self.assertFalse('message' in args,
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('Argument name "message" not allowed for '
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'"errors.%s.__init__"' % c.__name__))
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if fmt and fmt_pattern.search(fmt):
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self.assertFalse(True, ('"message" not allowed in '
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'"errors.%s._fmt"' % c.__name__))
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def test_bad_filename_encoding(self):
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error = errors.BadFilenameEncoding('bad/filen\xe5me', 'UTF-8')
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self.assertEqualDiff(
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"cannot be broken.",
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def test_lock_corrupt(self):
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error = errors.LockCorrupt("corruption info")
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self.assertEqualDiff("Lock is apparently held, but corrupted: "
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"Use 'bzr break-lock' to clear it",
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def test_knit_data_stream_incompatible(self):
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error = errors.KnitDataStreamIncompatible(
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'stream format', 'target format')
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def test_up_to_date(self):
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error = errors.UpToDateFormat("someformat")
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self.assertEqualDiff(
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"The branch format someformat is already at the most "
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"recent format.", str(error))
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error = errors.UpToDateFormat(bzrdir.BzrDirFormat4())
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self.assertEqualDiff("The branch format All-in-one "
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"format 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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err = errors.NotBranchError('path', bzrdir=bzrdir)
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self.assertEqual('Not a branch: "path".', str(err))
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def test_not_branch_bzrdir_with_recursive_not_branch_error(self):
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class FakeBzrDir(object):
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def open_repository(self):
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# str() on the NotBranchError will trigger a call to this,
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# which in turn will another, identical NotBranchError.
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raise errors.NotBranchError('path', bzrdir=FakeBzrDir())
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err = errors.NotBranchError('path', bzrdir=FakeBzrDir())
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self.assertEqual('Not a branch: "path".', str(err))
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def test_not_branch_laziness(self):
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real_bzrdir = self.make_bzrdir('path')
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class FakeBzrDir(object):
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self.assertEqual(['open_repository'], fake_bzrdir.calls)
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def test_invalid_pattern(self):
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error = errors.InvalidPattern('Bad pattern msg.')
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self.assertEqualDiff("Invalid pattern(s) found. Bad pattern msg.",
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def test_recursive_bind(self):
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error = errors.RecursiveBind('foo_bar_branch')
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msg = ('Branch "foo_bar_branch" appears to be bound to itself. '
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'Please use `bzr unbind` to fix.')
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self.assertEqualDiff(msg, str(error))
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class PassThroughError(errors.BzrError):