commit 93f8f1626f4fee4519e7c8ee9c6da74c847135da Author: Arturo Filastò art@fuffa.org Date: Fri Jan 31 15:04:18 2014 +0100

Add unittests for txscapy --- ooni/tests/test_txscapy.py | 46 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+)

diff --git a/ooni/tests/test_txscapy.py b/ooni/tests/test_txscapy.py new file mode 100644 index 0000000..337c399 --- /dev/null +++ b/ooni/tests/test_txscapy.py @@ -0,0 +1,46 @@ +from mock import MagicMock +from twisted.internet import defer +from twisted.trial import unittest + +from ooni.utils import txscapy + +class TestTxScapy(unittest.TestCase): + def setUp(self): + # if not txscapy.hasRawSocketPermission(): + # self.skipTest("No raw socket permissions...") + self.scapy_factory = txscapy.ScapyFactory('auto') + self.scapy_factory.super_socket = MagicMock() + self.scapy_factory.super_socket.ins.fileno.return_value = -1 + + def tearDown(self): + self.scapy_factory.loseConnection() + + def test_pcapdnet_installed(self): + assert txscapy.pcapdnet_installed() == True + + def test_send_packet_no_answer(self): + from scapy.all import IP, TCP + sender = txscapy.ScapySender() + self.scapy_factory.registerProtocol(sender) + packet = IP(dst='8.8.8.8')/TCP(dport=53) + sender.startSending([packet]) + self.scapy_factory.super_socket.send.assert_called_with(packet) + assert len(sender.sent_packets) == 1 + + @defer.inlineCallbacks + def test_send_packet_with_answer(self): + from scapy.all import IP, TCP + sender = txscapy.ScapySender() + self.scapy_factory.registerProtocol(sender) + + packet_sent = IP(dst='8.8.8.8',src='127.0.0.1')/TCP(dport=53, sport=5300) + packet_received = IP(dst='127.0.0.1', src='8.8.8.8')/TCP(sport=53, dport=5300) + + d = sender.startSending([packet_sent]) + self.scapy_factory.super_socket.send.assert_called_with(packet_sent) + + sender.packetReceived(packet_received) + + result = yield d + assert result[0][0][0] == packet_sent + assert result[0][0][1] == packet_received