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# Copyright (C) 2007-2008 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman 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 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman 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
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""Harness for testing Mailman's documentation.
Note that doctest extraction does not currently work for zip file
distributions. doctest discovery currently requires file system traversal.
"""
__metaclass__ = type
__all__ = [
'test_suite',
]
import os
import random
import doctest
import unittest
from email import message_from_string
import mailman
from mailman.Message import Message
from mailman.config import config
from mailman.testing.layers import SMTPLayer
DOT = '.'
COMMASPACE = ', '
class chdir:
"""A context manager for temporary directory changing."""
def __init__(self, directory):
self._curdir = None
self._directory = directory
def __enter__(self):
self._curdir = os.getcwd()
os.chdir(self._directory)
def __exit__(self, exc_type, exc_val, exc_tb):
os.chdir(self._curdir)
# Don't suppress exceptions.
return False
def specialized_message_from_string(text):
"""Parse text into a message object.
This is specialized in the sense that an instance of Mailman's own Message
object is returned, and this message object has an attribute
`original_size` which is the pre-calculated size in bytes of the message's
text representation.
"""
# This mimic what Switchboard.dequeue() does when parsing a message from
# text into a Message instance.
original_size = len(text)
message = message_from_string(text, Message)
message.original_size = original_size
return message
def stop():
"""Call into pdb.set_trace()"""
# Do the import here so that you get the wacky special hacked pdb instead
# of Python's normal pdb.
import pdb
pdb.set_trace()
def setup(testobj):
"""Test setup."""
# In general, I don't like adding convenience functions, since I think
# doctests should do the imports themselves. It makes for better
# documentation that way. However, a few are really useful, or help to
# hide some icky test implementation details.
testobj.globs['commit'] = config.db.commit
testobj.globs['config'] = config
testobj.globs['message_from_string'] = specialized_message_from_string
testobj.globs['smtpd'] = SMTPLayer.smtpd
testobj.globs['stop'] = stop
def test_suite():
suite = unittest.TestSuite()
topdir = os.path.dirname(mailman.__file__)
packages = []
for dirpath, dirnames, filenames in os.walk(topdir):
if 'docs' in dirnames:
docsdir = os.path.join(dirpath, 'docs')[len(topdir)+1:]
packages.append(docsdir)
# Under higher verbosity settings, report all doctest errors, not just the
# first one.
flags = (doctest.ELLIPSIS |
doctest.NORMALIZE_WHITESPACE |
doctest.REPORT_NDIFF)
## if config.tests.verbosity <= 2:
## flags |= doctest.REPORT_ONLY_FIRST_FAILURE
# Add all the doctests in all subpackages.
doctest_files = {}
with chdir(topdir):
for docsdir in packages:
for filename in os.listdir(docsdir):
if os.path.splitext(filename)[1] == '.txt':
doctest_files[filename] = os.path.join(docsdir, filename)
# Sort or randomize the tests.
## if config.tests.randomize:
## files = doctest_files.keys()
## random.shuffle(files)
## else:
## files = sorted(doctest_files)
files = sorted(doctest_files)
for filename in files:
path = doctest_files[filename]
test = doctest.DocFileSuite(
path,
package='mailman',
optionflags=flags,
setUp=setup)
test.layer = SMTPLayer
suite.addTest(test)
return suite
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