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test_mutable: factor out ShouldFailMixin

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This commit is contained in:
Brian Warner 2008-04-17 19:55:51 -07:00
parent 004d3c14bf
commit 945003ea0f
1 changed files with 4 additions and 38 deletions
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42
src/allmydata/test/test_mutable.py
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@ -5,7 +5,7 @@ from twisted.trial import unittest
from twisted.internet import defer, reactor
from twisted.python import failure
from allmydata import uri, download
from allmydata.util import base32
from allmydata.util import base32, testutil
from allmydata.util.idlib import shortnodeid_b2a
from allmydata.util.hashutil import tagged_hash
from allmydata.encode import NotEnoughSharesError
@ -241,7 +241,7 @@ def corrupt(res, s, offset, shnums_to_corrupt=None):
shares[shnum] = flip_bit(data, real_offset)
return res
class Filenode(unittest.TestCase):
class Filenode(unittest.TestCase, testutil.ShouldFailMixin):
def setUp(self):
self.client = FakeClient()
@ -325,23 +325,6 @@ class Filenode(unittest.TestCase):
self.failUnlessEqual(verinfo[0], expected_seqnum))
return d
def shouldFail(self, expected_failure, which, substring,
callable, *args, **kwargs):
assert substring is None or isinstance(substring, str)
d = defer.maybeDeferred(callable, *args, **kwargs)
def done(res):
if isinstance(res, failure.Failure):
res.trap(expected_failure)
if substring:
self.failUnless(substring in str(res),
"substring '%s' not in '%s'"
% (substring, str(res)))
else:
self.fail("%s was supposed to raise %s, not get '%s'" %
(which, expected_failure, res))
d.addBoth(done)
return d
def test_modify(self):
def _modifier(old_contents):
return old_contents + "line2"
@ -350,7 +333,7 @@ class Filenode(unittest.TestCase):
def _none_modifier(old_contents):
return None
def _error_modifier(old_contents):
raise ValueError
raise ValueError("oops")
calls = []
def _ucw_error_modifier(old_contents):
# simulate an UncoordinatedWriteError once
@ -742,7 +725,7 @@ class Servermap(unittest.TestCase):
class Roundtrip(unittest.TestCase):
class Roundtrip(unittest.TestCase, testutil.ShouldFailMixin):
def setUp(self):
# publish a file and create shares, which can then be manipulated
# later.
@ -819,23 +802,6 @@ class Roundtrip(unittest.TestCase):
return d
def shouldFail(self, expected_failure, which, substring,
callable, *args, **kwargs):
assert substring is None or isinstance(substring, str)
d = defer.maybeDeferred(callable, *args, **kwargs)
def done(res):
if isinstance(res, failure.Failure):
res.trap(expected_failure)
if substring:
self.failUnless(substring in str(res),
"substring '%s' not in '%s'"
% (substring, str(res)))
else:
self.fail("%s was supposed to raise %s, not get '%s'" %
(which, expected_failure, res))
d.addBoth(done)
return d
def _test_corrupt_all(self, offset, substring,
should_succeed=False, corrupt_early=True):
d = defer.succeed(None)