FM / test

/usr/lib/python3/dist-packages/twisted/internet/test/

/usr/lib/python3/dist-packages/twisted/internet/test

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fake_CAs/	-	0755	rm
__pycache__/	-	0755	rm
connectionmixins.py	20442	0644	edit dl rm
fakeendpoint.py	1555	0644	edit dl rm
modulehelpers.py	1726	0644	edit dl rm
process_cli.py	664	0644	edit dl rm
process_connectionlost.py	119	0644	edit dl rm
process_gireactornocompat.py	721	0644	edit dl rm
process_helper.py	1081	0644	edit dl rm
reactormixins.py	14054	0644	edit dl rm
test_abstract.py	2032	0644	edit dl rm
test_address.py	8598	0644	edit dl rm
test_asyncioreactor.py	1331	0644	edit dl rm
test_base.py	13369	0644	edit dl rm
test_baseprocess.py	2613	0644	edit dl rm
test_core.py	11262	0644	edit dl rm
test_coroutines.py	1787	0644	edit dl rm
test_default.py	3540	0644	edit dl rm
test_endpoints.py	148723	0644	edit dl rm
test_epollreactor.py	7336	0644	edit dl rm
test_fdset.py	13501	0644	edit dl rm
test_filedescriptor.py	2808	0644	edit dl rm
test_gireactor.py	9042	0644	edit dl rm
test_glibbase.py	2284	0644	edit dl rm
test_inlinecb.py	11599	0644	edit dl rm
test_inotify.py	16686	0644	edit dl rm
test_iocp.py	5170	0644	edit dl rm
test_kqueuereactor.py	1916	0644	edit dl rm
test_main.py	1436	0644	edit dl rm
test_newtls.py	6693	0644	edit dl rm
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test_protocol.py	18727	0644	edit dl rm
test_resolver.py	20047	0644	edit dl rm
test_serialport.py	1948	0644	edit dl rm
test_sigchld.py	3935	0644	edit dl rm
test_socket.py	9329	0644	edit dl rm
test_stdio.py	6449	0644	edit dl rm
test_tcp.py	108446	0644	edit dl rm
test_threads.py	8582	0644	edit dl rm
test_time.py	3717	0644	edit dl rm
test_tls.py	13459	0644	edit dl rm
test_udp.py	17140	0644	edit dl rm
test_udp_internals.py	4909	0644	edit dl rm
test_unix.py	35712	0644	edit dl rm
test_win32events.py	6500	0644	edit dl rm
test_win32serialport.py	5282	0644	edit dl rm
_awaittests.py.3only	6180	0644	edit dl rm
_posixifaces.py	4689	0644	edit dl rm
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__init__.py	112	0644	edit dl rm

Edit: /usr/lib/python3/dist-packages/twisted/internet/test/test_threads.py (8582B)

# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
Tests for implementations of L{IReactorThreads}.
"""

from __future__ import division, absolute_import

__metaclass__ = type

from weakref import ref
import gc, threading

from twisted.python.threadable import isInIOThread
from twisted.internet.test.reactormixins import ReactorBuilder
from twisted.python.threadpool import ThreadPool
from twisted.internet.interfaces import IReactorThreads

class ThreadTestsBuilder(ReactorBuilder):
    """
    Builder for defining tests relating to L{IReactorThreads}.
    """
    requiredInterfaces = (IReactorThreads,)

def test_getThreadPool(self):
        """
        C{reactor.getThreadPool()} returns an instance of L{ThreadPool} which
        starts when C{reactor.run()} is called and stops before it returns.
        """
        state = []
        reactor = self.buildReactor()

pool = reactor.getThreadPool()
        self.assertIsInstance(pool, ThreadPool)
        self.assertFalse(
            pool.started, "Pool should not start before reactor.run")

def f():
            # Record the state for later assertions
            state.append(pool.started)
            state.append(pool.joined)
            reactor.stop()

reactor.callWhenRunning(f)
        self.runReactor(reactor, 2)

self.assertTrue(
            state[0], "Pool should start after reactor.run")
        self.assertFalse(
            state[1], "Pool should not be joined before reactor.stop")
        self.assertTrue(
            pool.joined,
            "Pool should be stopped after reactor.run returns")

def test_suggestThreadPoolSize(self):
        """
        C{reactor.suggestThreadPoolSize()} sets the maximum size of the reactor
        threadpool.
        """
        reactor = self.buildReactor()
        reactor.suggestThreadPoolSize(17)
        pool = reactor.getThreadPool()
        self.assertEqual(pool.max, 17)

def test_delayedCallFromThread(self):
        """
        A function scheduled with L{IReactorThreads.callFromThread} invoked
        from a delayed call is run immediately in the next reactor iteration.

When invoked from the reactor thread, previous implementations of
        L{IReactorThreads.callFromThread} would skip the pipe/socket based wake
        up step, assuming the reactor would wake up on its own.  However, this
        resulted in the reactor not noticing an insert into the thread queue at
        the right time (in this case, after the thread queue has been processed
        for that reactor iteration).
        """
        reactor = self.buildReactor()

def threadCall():
            reactor.stop()

# Set up the use of callFromThread being tested.
        reactor.callLater(0, reactor.callFromThread, threadCall)

before = reactor.seconds()
        self.runReactor(reactor, 60)
        after = reactor.seconds()

# We specified a timeout of 60 seconds.  The timeout code in runReactor
        # probably won't actually work, though.  If the reactor comes out of
        # the event notification API just a little bit early, say after 59.9999
        # seconds instead of after 60 seconds, then the queued thread call will
        # get processed but the timeout delayed call runReactor sets up won't!
        # Then the reactor will stop and runReactor will return without the
        # timeout firing.  As it turns out, select() and poll() are quite
        # likely to return *slightly* earlier than we ask them to, so the
        # timeout will rarely happen, even if callFromThread is broken.  So,
        # instead we'll measure the elapsed time and make sure it's something
        # less than about half of the timeout we specified.  This is heuristic.
        # It assumes that select() won't ever return after 30 seconds when we
        # asked it to timeout after 60 seconds.  And of course like all
        # time-based tests, it's slightly non-deterministic.  If the OS doesn't
        # schedule this process for 30 seconds, then the test might fail even
        # if callFromThread is working.
        self.assertTrue(after - before < 30)

def test_callFromThread(self):
        """
        A function scheduled with L{IReactorThreads.callFromThread} invoked
        from another thread is run in the reactor thread.
        """
        reactor = self.buildReactor()
        result = []

def threadCall():
            result.append(threading.currentThread())
            reactor.stop()
        reactor.callLater(0, reactor.callInThread,
                          reactor.callFromThread, threadCall)
        self.runReactor(reactor, 5)

self.assertEqual(result, [threading.currentThread()])

def test_stopThreadPool(self):
        """
        When the reactor stops, L{ReactorBase._stopThreadPool} drops the
        reactor's direct reference to its internal threadpool and removes
        the associated startup and shutdown triggers.

This is the case of the thread pool being created before the reactor
        is run.
        """
        reactor = self.buildReactor()
        threadpool = ref(reactor.getThreadPool())
        reactor.callWhenRunning(reactor.stop)
        self.runReactor(reactor)
        gc.collect()
        self.assertIsNone(threadpool())

def test_stopThreadPoolWhenStartedAfterReactorRan(self):
        """
        We must handle the case of shutting down the thread pool when it was
        started after the reactor was run in a special way.

Some implementation background: The thread pool is started with
        callWhenRunning, which only returns a system trigger ID when it is
        invoked before the reactor is started.

This is the case of the thread pool being created after the reactor
        is started.
        """
        reactor = self.buildReactor()
        threadPoolRefs = []
        def acquireThreadPool():
            threadPoolRefs.append(ref(reactor.getThreadPool()))
            reactor.stop()
        reactor.callWhenRunning(acquireThreadPool)
        self.runReactor(reactor)
        gc.collect()
        self.assertIsNone(threadPoolRefs[0]())

def test_cleanUpThreadPoolEvenBeforeReactorIsRun(self):
        """
        When the reactor has its shutdown event fired before it is run, the
        thread pool is completely destroyed.

For what it's worth, the reason we support this behavior at all is
        because Trial does this.

This is the case of the thread pool being created without the reactor
        being started at al.
        """
        reactor = self.buildReactor()
        threadPoolRef = ref(reactor.getThreadPool())
        reactor.fireSystemEvent("shutdown")

if reactor.__class__.__name__ == "AsyncioSelectorReactor":
            self.assertIsNone(reactor.threadpool)
            # ReactorBase.__init__ sets self.crash as a 'shutdown'
            # event, which in turn calls stop on the underlying
            # asyncio event loop, which in turn sets a _stopping
            # attribute on it that's only unset after an iteration of
            # the loop.  Subsequent tests can only reuse the asyncio
            # loop if it's allowed to run and unset that _stopping
            # attribute.
            self.runReactor(reactor)
        else:
            gc.collect()
            self.assertIsNone(threadPoolRef())

def test_isInIOThread(self):
        """
        The reactor registers itself as the I/O thread when it runs so that
        L{twisted.python.threadable.isInIOThread} returns C{True} if it is
        called in the thread the reactor is running in.
        """
        results = []
        reactor = self.buildReactor()
        def check():
            results.append(isInIOThread())
            reactor.stop()
        reactor.callWhenRunning(check)
        self.runReactor(reactor)
        self.assertEqual([True], results)

def test_isNotInIOThread(self):
        """
        The reactor registers itself as the I/O thread when it runs so that
        L{twisted.python.threadable.isInIOThread} returns C{False} if it is
        called in a different thread than the reactor is running in.
        """
        results = []
        reactor = self.buildReactor()
        def check():
            results.append(isInIOThread())
            reactor.callFromThread(reactor.stop)
        reactor.callInThread(check)
        self.runReactor(reactor)
        self.assertEqual([False], results)

globals().update(ThreadTestsBuilder.makeTestCaseClasses())

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