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# Copyright (C) 2007-2013 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.
"""
from __future__ import absolute_import, unicode_literals
__metaclass__ = type
__all__ = [
'setup',
'teardown'
]
from inspect import isfunction, ismethod
from mailman.app.lifecycle import create_list
from mailman.config import config
from mailman.testing.helpers import call_api, specialized_message_from_string
from mailman.testing.layers import SMTPLayer
DOT = '.'
COMMASPACE = ', '
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 dump_msgdata(msgdata, *additional_skips):
"""Dump in a more readable way a message metadata dictionary."""
if len(msgdata) == 0:
print '*Empty*'
return
skips = set(additional_skips)
# Some stuff we always want to skip, because their values will always be
# variable data.
skips.add('received_time')
longest = max(len(key) for key in msgdata if key not in skips)
for key in sorted(msgdata):
if key in skips:
continue
print '{0:{2}}: {1}'.format(key, msgdata[key], longest)
def dump_list(list_of_things, key=str):
"""Print items in a string to get rid of stupid u'' prefixes."""
# List of things may be a generator.
list_of_things = list(list_of_things)
if len(list_of_things) == 0:
print '*Empty*'
if key is not None:
list_of_things = sorted(list_of_things, key=key)
for item in list_of_things:
print item
def call_http(url, data=None, method=None, username=None, password=None):
"""'Call a URL with a given HTTP method and return the resulting object.
The object will have been JSON decoded.
:param url: The url to open, read, and print.
:type url: string
:param data: Data to use to POST to a URL.
:type data: dict
:param method: Alternative HTTP method to use.
:type method: str
:param username: The HTTP Basic Auth user name. None means use the value
from the configuration.
:type username: str
:param password: The HTTP Basic Auth password. None means use the value
from the configuration.
:type username: str
:return: The decoded JSON data structure.
:raises HTTPError: when a non-2xx return code is received.
"""
content, response = call_api(url, data, method, username, password)
if content is None:
for header in sorted(response):
print '{0}: {1}'.format(header, response[header])
return None
return content
def dump_json(url, data=None, method=None, username=None, password=None):
"""Print the JSON dictionary read from a URL.
:param url: The url to open, read, and print.
:type url: string
:param data: Data to use to POST to a URL.
:type data: dict
:param method: Alternative HTTP method to use.
:type method: str
:param username: The HTTP Basic Auth user name. None means use the value
from the configuration.
:type username: str
:param password: The HTTP Basic Auth password. None means use the value
from the configuration.
:type username: str
"""
results = call_http(url, data, method, username, password)
if results is None:
return
for key in sorted(results):
value = results[key]
if key == 'entries':
for i, entry in enumerate(value):
# entry is a dictionary.
print 'entry %d:' % i
for entry_key in sorted(entry):
print ' {0}: {1}'.format(entry_key, entry[entry_key])
elif isinstance(value, list):
printable_value = COMMASPACE.join(
"'{0}'".format(s) for s in sorted(value))
print '{0}: [{1}]'.format(key, printable_value)
else:
print '{0}: {1}'.format(key, value)
def setup(testobj):
"""Test setup."""
# Make sure future statements in our doctests are the same as everywhere
# else.
testobj.globs['absolute_import'] = absolute_import
testobj.globs['unicode_literals'] = unicode_literals
# 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['call_http'] = call_http
testobj.globs['config'] = config
testobj.globs['create_list'] = create_list
testobj.globs['dump_json'] = dump_json
testobj.globs['dump_msgdata'] = dump_msgdata
testobj.globs['dump_list'] = dump_list
testobj.globs['message_from_string'] = specialized_message_from_string
testobj.globs['smtpd'] = SMTPLayer.smtpd
testobj.globs['stop'] = stop
testobj.globs['transaction'] = config.db
# Add this so that cleanups can be automatically added by the doctest.
testobj.globs['cleanups'] = []
def teardown(testobj):
for cleanup in testobj.globs['cleanups']:
if isfunction(cleanup) or ismethod(cleanup):
cleanup()
else:
cleanup[0](*cleanup[1:])
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