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-rw-r--r--scripts/external_libs/zmq/tests/__init__.py211
1 files changed, 211 insertions, 0 deletions
diff --git a/scripts/external_libs/zmq/tests/__init__.py b/scripts/external_libs/zmq/tests/__init__.py
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+# Copyright (c) PyZMQ Developers.
+# Distributed under the terms of the Modified BSD License.
+
+import functools
+import sys
+import time
+from threading import Thread
+
+from unittest import TestCase
+
+import zmq
+from zmq.utils import jsonapi
+
+try:
+ import gevent
+ from zmq import green as gzmq
+ have_gevent = True
+except ImportError:
+ have_gevent = False
+
+try:
+ from unittest import SkipTest
+except ImportError:
+ try:
+ from nose import SkipTest
+ except ImportError:
+ class SkipTest(Exception):
+ pass
+
+PYPY = 'PyPy' in sys.version
+
+#-----------------------------------------------------------------------------
+# skip decorators (directly from unittest)
+#-----------------------------------------------------------------------------
+
+_id = lambda x: x
+
+def skip(reason):
+ """
+ Unconditionally skip a test.
+ """
+ def decorator(test_item):
+ if not (isinstance(test_item, type) and issubclass(test_item, TestCase)):
+ @functools.wraps(test_item)
+ def skip_wrapper(*args, **kwargs):
+ raise SkipTest(reason)
+ test_item = skip_wrapper
+
+ test_item.__unittest_skip__ = True
+ test_item.__unittest_skip_why__ = reason
+ return test_item
+ return decorator
+
+def skip_if(condition, reason="Skipped"):
+ """
+ Skip a test if the condition is true.
+ """
+ if condition:
+ return skip(reason)
+ return _id
+
+skip_pypy = skip_if(PYPY, "Doesn't work on PyPy")
+
+#-----------------------------------------------------------------------------
+# Base test class
+#-----------------------------------------------------------------------------
+
+class BaseZMQTestCase(TestCase):
+ green = False
+
+ @property
+ def Context(self):
+ if self.green:
+ return gzmq.Context
+ else:
+ return zmq.Context
+
+ def socket(self, socket_type):
+ s = self.context.socket(socket_type)
+ self.sockets.append(s)
+ return s
+
+ def setUp(self):
+ if self.green and not have_gevent:
+ raise SkipTest("requires gevent")
+ self.context = self.Context.instance()
+ self.sockets = []
+
+ def tearDown(self):
+ contexts = set([self.context])
+ while self.sockets:
+ sock = self.sockets.pop()
+ contexts.add(sock.context) # in case additional contexts are created
+ sock.close(0)
+ for ctx in contexts:
+ t = Thread(target=ctx.term)
+ t.daemon = True
+ t.start()
+ t.join(timeout=2)
+ if t.is_alive():
+ # reset Context.instance, so the failure to term doesn't corrupt subsequent tests
+ zmq.sugar.context.Context._instance = None
+ raise RuntimeError("context could not terminate, open sockets likely remain in test")
+
+ def create_bound_pair(self, type1=zmq.PAIR, type2=zmq.PAIR, interface='tcp://127.0.0.1'):
+ """Create a bound socket pair using a random port."""
+ s1 = self.context.socket(type1)
+ s1.setsockopt(zmq.LINGER, 0)
+ port = s1.bind_to_random_port(interface)
+ s2 = self.context.socket(type2)
+ s2.setsockopt(zmq.LINGER, 0)
+ s2.connect('%s:%s' % (interface, port))
+ self.sockets.extend([s1,s2])
+ return s1, s2
+
+ def ping_pong(self, s1, s2, msg):
+ s1.send(msg)
+ msg2 = s2.recv()
+ s2.send(msg2)
+ msg3 = s1.recv()
+ return msg3
+
+ def ping_pong_json(self, s1, s2, o):
+ if jsonapi.jsonmod is None:
+ raise SkipTest("No json library")
+ s1.send_json(o)
+ o2 = s2.recv_json()
+ s2.send_json(o2)
+ o3 = s1.recv_json()
+ return o3
+
+ def ping_pong_pyobj(self, s1, s2, o):
+ s1.send_pyobj(o)
+ o2 = s2.recv_pyobj()
+ s2.send_pyobj(o2)
+ o3 = s1.recv_pyobj()
+ return o3
+
+ def assertRaisesErrno(self, errno, func, *args, **kwargs):
+ try:
+ func(*args, **kwargs)
+ except zmq.ZMQError as e:
+ self.assertEqual(e.errno, errno, "wrong error raised, expected '%s' \
+got '%s'" % (zmq.ZMQError(errno), zmq.ZMQError(e.errno)))
+ else:
+ self.fail("Function did not raise any error")
+
+ def _select_recv(self, multipart, socket, **kwargs):
+ """call recv[_multipart] in a way that raises if there is nothing to receive"""
+ if zmq.zmq_version_info() >= (3,1,0):
+ # zmq 3.1 has a bug, where poll can return false positives,
+ # so we wait a little bit just in case
+ # See LIBZMQ-280 on JIRA
+ time.sleep(0.1)
+
+ r,w,x = zmq.select([socket], [], [], timeout=5)
+ assert len(r) > 0, "Should have received a message"
+ kwargs['flags'] = zmq.DONTWAIT | kwargs.get('flags', 0)
+
+ recv = socket.recv_multipart if multipart else socket.recv
+ return recv(**kwargs)
+
+ def recv(self, socket, **kwargs):
+ """call recv in a way that raises if there is nothing to receive"""
+ return self._select_recv(False, socket, **kwargs)
+
+ def recv_multipart(self, socket, **kwargs):
+ """call recv_multipart in a way that raises if there is nothing to receive"""
+ return self._select_recv(True, socket, **kwargs)
+
+
+class PollZMQTestCase(BaseZMQTestCase):
+ pass
+
+class GreenTest:
+ """Mixin for making green versions of test classes"""
+ green = True
+
+ def assertRaisesErrno(self, errno, func, *args, **kwargs):
+ if errno == zmq.EAGAIN:
+ raise SkipTest("Skipping because we're green.")
+ try:
+ func(*args, **kwargs)
+ except zmq.ZMQError:
+ e = sys.exc_info()[1]
+ self.assertEqual(e.errno, errno, "wrong error raised, expected '%s' \
+got '%s'" % (zmq.ZMQError(errno), zmq.ZMQError(e.errno)))
+ else:
+ self.fail("Function did not raise any error")
+
+ def tearDown(self):
+ contexts = set([self.context])
+ while self.sockets:
+ sock = self.sockets.pop()
+ contexts.add(sock.context) # in case additional contexts are created
+ sock.close()
+ try:
+ gevent.joinall([gevent.spawn(ctx.term) for ctx in contexts], timeout=2, raise_error=True)
+ except gevent.Timeout:
+ raise RuntimeError("context could not terminate, open sockets likely remain in test")
+
+ def skip_green(self):
+ raise SkipTest("Skipping because we are green")
+
+def skip_green(f):
+ def skipping_test(self, *args, **kwargs):
+ if self.green:
+ raise SkipTest("Skipping because we are green")
+ else:
+ return f(self, *args, **kwargs)
+ return skipping_test