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: /lib/python3/dist-packages/twisted/conch/test/ [ drwxr-xr-x ]
name : test_forwarding.py # Copyright (c) Twisted Matrix Laboratories. # See LICENSE for details. """ Tests for L{twisted.conch.ssh.forwarding}. """ from __future__ import division, absolute_import from twisted.python.reflect import requireModule cryptography = requireModule("cryptography") if cryptography: from twisted.conch.ssh import forwarding from twisted.internet.address import IPv6Address from twisted.trial import unittest from twisted.internet.test.test_endpoints import deterministicResolvingReactor from twisted.test.proto_helpers import MemoryReactorClock, StringTransport class TestSSHConnectForwardingChannel(unittest.TestCase): """ Unit and integration tests for L{SSHConnectForwardingChannel}. """ if not cryptography: skip = "Cannot run without cryptography" def makeTCPConnection(self, reactor): """ Fake that connection was established for first connectTCP request made on C{reactor}. @param reactor: Reactor on which to fake the connection. @type reactor: A reactor. """ factory = reactor.tcpClients[0][2] connector = reactor.connectors[0] protocol = factory.buildProtocol(None) transport = StringTransport(peerAddress=connector.getDestination()) protocol.makeConnection(transport) def test_channelOpenHostnameRequests(self): """ When a hostname is sent as part of forwarding requests, it is resolved using HostnameEndpoint's resolver. """ sut = forwarding.SSHConnectForwardingChannel( hostport=('fwd.example.org', 1234)) # Patch channel and resolver to not touch the network. memoryReactor = MemoryReactorClock() sut._reactor = deterministicResolvingReactor(memoryReactor, ['::1']) sut.channelOpen(None) self.makeTCPConnection(memoryReactor) self.successResultOf(sut._channelOpenDeferred) # Channel is connected using a forwarding client to the resolved # address of the requested host. self.assertIsInstance(sut.client, forwarding.SSHForwardingClient) self.assertEqual( IPv6Address('TCP', '::1', 1234), sut.client.transport.getPeer())