def test_subprocess(self): if IOLoop.configured_class().__name__.endswith("LayeredTwistedIOLoop"): # This test fails non-deterministically with LayeredTwistedIOLoop. # (the read_until('\n') returns '\n' instead of 'hello\n') # This probably indicates a problem with either TornadoReactor # or TwistedIOLoop, but I haven't been able to track it down # and for now this is just causing spurious travis-ci failures. raise unittest.SkipTest("Subprocess tests not compatible with " "LayeredTwistedIOLoop") subproc = Subprocess( [sys.executable, "-u", "-i"], stdin=Subprocess.STREAM, stdout=Subprocess.STREAM, stderr=subprocess.STDOUT, io_loop=self.io_loop, ) self.addCleanup(lambda: os.kill(subproc.pid, signal.SIGTERM)) subproc.stdout.read_until(b">>> ", self.stop) self.wait() subproc.stdin.write(b"print('hello')\n") subproc.stdout.read_until(b"\n", self.stop) data = self.wait() self.assertEqual(data, b"hello\n") subproc.stdout.read_until(b">>> ", self.stop) self.wait() subproc.stdin.write(b"raise SystemExit\n") subproc.stdout.read_until_close(self.stop) data = self.wait() self.assertEqual(data, b"")
def save_signal_handlers(): saved = {} for sig in [signal.SIGINT, signal.SIGTERM, signal.SIGCHLD]: saved[sig] = signal.getsignal(sig) if "twisted" in repr(saved): if not issubclass(IOLoop.configured_class(), TwistedIOLoop): # when the global ioloop is twisted, we expect the signal # handlers to be installed. Otherwise, it means we're not # cleaning up after twisted properly. raise Exception("twisted signal handlers already installed") return saved
def setUp(self): if IOLoop.configured_class().__name__ in ('TwistedIOLoop', 'AsyncIOMainLoop'): # TwistedIOLoop only supports the global reactor, so we can't have # separate IOLoops for client and server threads. # AsyncIOMainLoop doesn't work with the default policy # (although it could with some tweaks to this test and a # policy that created loops for non-main threads). raise unittest.SkipTest( 'Sync HTTPClient not compatible with TwistedIOLoop or ' 'AsyncIOMainLoop') self.server_ioloop = IOLoop() sock, self.port = bind_unused_port() app = Application([('/', HelloWorldHandler)]) self.server = HTTPServer(app, io_loop=self.server_ioloop) self.server.add_socket(sock) self.server_thread = threading.Thread(target=self.server_ioloop.start) self.server_thread.start() self.http_client = HTTPClient()
if have_twisted: # Import and run as much of twisted's test suite as possible. # This is unfortunately rather dependent on implementation details, # but there doesn't appear to be a clean all-in-one conformance test # suite for reactors. # # This is a list of all test suites using the ReactorBuilder # available in Twisted 11.0.0 and 11.1.0 (and a blacklist of # specific test methods to be disabled). twisted_tests = { 'twisted.internet.test.test_core.ObjectModelIntegrationTest': [], 'twisted.internet.test.test_core.SystemEventTestsBuilder': [ 'test_iterate', # deliberately not supported 'test_runAfterCrash', # fails because TwistedIOLoop uses the global reactor ] if issubclass(IOLoop.configured_class(), TwistedIOLoop) else [ 'test_iterate', # deliberately not supported ], 'twisted.internet.test.test_fdset.ReactorFDSetTestsBuilder': [ "test_lostFileDescriptor", # incompatible with epoll and kqueue ], 'twisted.internet.test.test_process.ProcessTestsBuilder': [ # Only work as root. Twisted's "skip" functionality works # with py27+, but not unittest2 on py26. 'test_changeGID', 'test_changeUID', ], # Process tests appear to work on OSX 10.7, but not 10.6 #'twisted.internet.test.test_process.PTYProcessTestsBuilder': [ # 'test_systemCallUninterruptedByChildExit', # ],
def skip_if_twisted(): if IOLoop.configured_class().__name__.endswith(("TwistedIOLoop", "AsyncIOMainLoop")): raise unittest.SkipTest("Process tests not compatible with " "TwistedIOLoop or AsyncIOMainLoop")