def test_parse_incomplete_lookahead(self):
output = '''
traceroute to google.com (216.58.195.238), 30 hops max, 60 byte packets
7 prn1-sidf-cenet-cgw1-be6.corp.tfbnw.net (172.24.4.7) 31.895 ms 25.105
'''
with self.assertRaises(IndexError):
traceroute.TracerouteParser().parse(self._configure_output(output))
def test_parse_non_num_rtt(self):
output = '''
traceroute to google.com (216.58.195.238), 30 hops max, 60 byte packets
2 mpk14-21-off-dgw1-vl301.corp.tfbnw.net (172.25.164.2) abc ms * *
'''
with self.assertRaises(ValueError):
traceroute.TracerouteParser().parse(self._configure_output(output))
def test_parse_good_output(self):
"""
Some test cases with truncated output from `traceroute`
run in vagrant VM
"""
output = '''
traceroute to google.com (216.58.195.238), 30 hops max, 60 byte packets
1 10.0.2.2 (10.0.2.2) 0.332 ms 0.262 ms 0.223 ms
2 mpk14-21-off-dgw1-vl301.corp.tfbnw.net (172.25.164.2) 0.926 ms * *
7 prn1-sidf-cenet-cgw1-be6.corp.tfbnw.net (172.24.4.7) 31.895 ms 25.105 ms 31.396 ms
10 prn1-sidf-cenet-fw1-ae4.corp.tfbnw.net (172.24.4.23) 30.686 ms prn1-sidf-cenet-fw1-ae8.corp.tfbnw.net (172.24.4.25) 23.317 ms prn1-sidf-cenet-fw1-ae4.corp.tfbnw.net (172.24.4.23) 30.546 ms
'''
actual = traceroute.TracerouteParser().parse(
self._configure_output(output))
expected = traceroute.TracerouteStats([
traceroute.TracerouteHop(1, [
traceroute.TracerouteProbe('10.0.2.2', '10.0.2.2', 0.332),
traceroute.TracerouteProbe('10.0.2.2', '10.0.2.2', 0.262),
traceroute.TracerouteProbe('10.0.2.2', '10.0.2.2', 0.223),
]),
traceroute.TracerouteHop(2, [
traceroute.TracerouteProbe(
'mpk14-21-off-dgw1-vl301.corp.tfbnw.net', '172.25.164.2',
0.926),
traceroute.TracerouteProbe(
'mpk14-21-off-dgw1-vl301.corp.tfbnw.net', '172.25.164.2',
0),
traceroute.TracerouteProbe(
'mpk14-21-off-dgw1-vl301.corp.tfbnw.net', '172.25.164.2',
0),
]),
traceroute.TracerouteHop(7, [
traceroute.TracerouteProbe(
'prn1-sidf-cenet-cgw1-be6.corp.tfbnw.net', '172.24.4.7',
31.895),
traceroute.TracerouteProbe(
'prn1-sidf-cenet-cgw1-be6.corp.tfbnw.net', '172.24.4.7',
25.105),
traceroute.TracerouteProbe(
'prn1-sidf-cenet-cgw1-be6.corp.tfbnw.net', '172.24.4.7',
31.396),
]),
traceroute.TracerouteHop(10, [
traceroute.TracerouteProbe(
'prn1-sidf-cenet-fw1-ae4.corp.tfbnw.net', '172.24.4.23',
30.686),
traceroute.TracerouteProbe(
'prn1-sidf-cenet-fw1-ae8.corp.tfbnw.net', '172.24.4.25',
23.317),
traceroute.TracerouteProbe(
'prn1-sidf-cenet-fw1-ae4.corp.tfbnw.net', '172.24.4.23',
30.546),
]),
])
self.assertEqual(expected, actual)
def test_parse_no_response(self):
output = '''
traceroute to google.com (216.58.195.238), 30 hops max, 60 byte packets
4 * * *
5 * * *
'''
actual = traceroute.TracerouteParser().parse(
self._configure_output(output))
expected = traceroute.TracerouteStats([
traceroute.TracerouteHop(
4, [traceroute.TracerouteProbe(None, None, 0)] * 3),
traceroute.TracerouteHop(
5, [traceroute.TracerouteProbe(None, None, 0)] * 3),
])
self.assertEqual(expected, actual)