def test_success(self):
"""
Connect a stream via a circuit
"""
reactor = Mock()
torstate = Mock()
target = Mock()
target.connect = Mock(return_value=defer.succeed('fake proto'))
circ = Mock()
circ.state = 'NEW'
src_addr = Mock()
src_addr.host = 'host'
src_addr.port = 1234
target._get_address = Mock(return_value=defer.succeed(src_addr))
stream = Mock()
stream.source_port = 1234
stream.source_addr = 'host'
# okay, so we fire up our circuit-endpoint with mostly mocked
# things, and a circuit that's already in 'FAILED' state.
ep = TorCircuitEndpoint(reactor, torstate, circ, target)
# should get a Failure from the connect()
d = ep.connect(Mock())
attacher = yield _get_circuit_attacher(reactor, torstate)
yield attacher.attach_stream(stream, [circ])
proto = yield d
self.assertEqual(proto, 'fake proto')
def test_circuit_stream_failure(self):
"""
If the stream-attach fails the error propagates
"""
reactor = Mock()
torstate = Mock()
target = Mock()
target.connect = Mock(return_value=defer.succeed(None))
circ = Mock()
circ.state = 'FAILED'
src_addr = Mock()
src_addr.host = 'host'
src_addr.port = 1234
target._get_address = Mock(return_value=defer.succeed(src_addr))
stream = Mock()
stream.source_port = 1234
stream.source_addr = 'host'
# okay, so we fire up our circuit-endpoint with mostly mocked
# things, and a circuit that's already in 'FAILED' state.
ep = TorCircuitEndpoint(reactor, torstate, circ, target)
# should get a Failure from the connect()
d = ep.connect(Mock())
attacher = yield _get_circuit_attacher(reactor, Mock())
attacher.attach_stream_failure(stream, RuntimeError("a bad thing"))
try:
yield d
self.fail("Should get exception")
except RuntimeError as e:
self.assertEqual("a bad thing", str(e))
def test_attach_stream_failure(self):
@implementer(ICircuitContainer)
class FakeContainer(object):
pass
container = FakeContainer()
stream = Stream(container)
stream.source_addr = ipaddress.IPv4Address(u'0.0.0.0')
stream.source_port = 12345
circuit = Mock()
circuit.when_built = Mock(return_value=Failure(Exception('testing1234')))
target_endpoint = Mock()
src_addr = Mock()
src_addr.host = u'0.0.0.0'
src_addr.port = 12345
target_endpoint._get_address = Mock(return_value=defer.succeed(src_addr))
reactor = Mock()
state = Mock()
TorCircuitEndpoint(
reactor, state, circuit, target_endpoint,
)
attacher = yield _get_circuit_attacher(reactor, state)
d = attacher.add_endpoint(target_endpoint, circuit)
self.assertEquals(len(attacher._circuit_targets), 1)
# this will fail, but should be ignored
yield attacher.attach_stream(stream, [])
with self.assertRaises(Exception) as ctx:
yield d
self.assertTrue("testing1234" in str(ctx.exception))
def endpointForURI(self, uri):
"""IAgentEndpointFactory API"""
torsocks = TorSocksEndpoint(
self._socks_ep,
uri.host, uri.port,
tls=uri.scheme == b'https',
)
from txtorcon.circuit import TorCircuitEndpoint
return TorCircuitEndpoint(
self._reactor, self._circ._torstate, self._circ, torsocks,
)
def test_attach(self):
@implementer(ICircuitContainer)
class FakeContainer(object):
pass
container = FakeContainer()
stream = Stream(container)
circuit = Mock()
target_endpoint = Mock()
reactor = Mock()
state = Mock()
TorCircuitEndpoint(
reactor, state, circuit, target_endpoint,
)
attacher = yield _get_circuit_attacher(reactor, state)
attacher.add_endpoint(target_endpoint, circuit)
yield attacher.attach_stream(stream, [])
