regression.uts

    tr.summary()
    sys.stdout = bck_stdout
    assert(len(result_summary.split('\n')) == 10)
    assert("IP / TCP 192.168.0.254:ftp_data > 192.168.0.1:http S / Raw ==> IP / ICMP 192.168.0.9 > 192.168.0.254 time-exceeded ttl-zero-during-transit / IPerror / TCPerror / Raw" in result_summary) 

test_summary()

@mock.patch("scapy.layers.inet.plt")
def test_timeskew_graph(mock_plt):
    def fake_plot(data, **kwargs):
        return data
    mock_plt.plot = fake_plot
    srl = SndRcvList([(a, a) for a in [IP(str(p[0])) for p in tr_packets]])
    ret = srl.timeskew_graph("192.168.0.254")
    assert(len(ret) == 9)
    assert(ret[0][1] == 0.0)

test_timeskew_graph()

tr = TracerouteResult(tr_packets)
saved_AS_resolver = conf.AS_resolver
conf.AS_resolver = None
tr.make_graph()
assert(len(tr.graphdef) == 491)
tr.graphdef.startswith("digraph trace {") == True
assert(('"192.168.0.9" ->' in tr.graphdef) == True)
conf.AS_resolver = conf.AS_resolver

pl = PacketList(list([Ether()/x for x in itertools.chain(*tr_packets)]))
srl, ul = pl.sr()
assert(len(srl) == 9 and len(ul) == 0)

conf_color_theme = conf.color_theme
conf.color_theme = BlackAndWhite()
assert(len(pl.sessions().keys()) == 10)
conf.color_theme = conf_color_theme

new_pl = pl.replace(IP.src, "192.168.0.254", "192.168.0.42")
assert("192.168.0.254" not in [p[IP].src for p in new_pl])

= IPv4 - reporting

result_IPID_count = ""
def test_IPID_count():
    def write(s):
        global result_IPID_count
        result_IPID_count += s
    mock_stdout = mock.Mock()
    mock_stdout.write = write
    saved_stdout = sys.stdout
    sys.stdout = mock_stdout
    random.seed(0x2807)
    IPID_count([(IP()/UDP(), IP(id=random.randint(0, 65535))/UDP()) for i in range(3)])
    sys.stdout = saved_stdout
    lines = result_IPID_count.split("\n")
    assert(len(lines) == 5)
    assert(lines[0].endswith("Probably 3 classes: [4613, 53881, 58437]"))

test_IPID_count()