Fix tests of Fediverse plugin on Python >=3.14

which does not use 'fork' as the default multiprocessing method anymore,
and we need a Manager from the same context in order for tests to work.

Author: progval

plugins/Fediverse/test.py

@@ -33,9 +33,8 @@
 import json
 import functools
 import contextlib
-from multiprocessing import Manager
 
-from supybot import conf, log, utils
+from supybot import conf, log, utils, world
 from supybot.test import ChannelPluginTestCase, network
 
 from . import activitypub as ap
@@ -125,7 +124,7 @@ def newf(hostname):
 
     @contextlib.contextmanager
     def mockRequests(self, expected_requests):
-        with Manager() as m:
+        with world.SUPYPROCESS_MULTIPROCESSING_CONTEXT.Manager() as m:
             expected_requests = m.list(list(expected_requests))
             original_getUrlContent = utils.web.getUrlContent
 

src/world.py

@@ -64,8 +64,15 @@ def __init__(self, *args, **kwargs):
         super(SupyThread, self).__init__(*args, **kwargs)
         log.debug('Spawning thread %q.', self.getName())
 
+SUPYPROCESS_MULTIPROCESSING_CONTEXT = multiprocessing.get_context('fork')
+"""
+Which :mod:`multiprocessing` is used to run :class:`SupyProcess`
+
+Currently this is (unfortunately) ``fork`` because functions running in forks
+often need to read the global state.
+"""
 processesSpawned = 1 # Starts at one for the initial process.
-class SupyProcess(multiprocessing.get_context('fork').Process):
+class SupyProcess(SUPYPROCESS_MULTIPROCESSING_CONTEXT.Process):
     def __init__(self, *args, **kwargs):
         global processesSpawned
         processesSpawned += 1