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# Copyright (c) 2019 by Dario Lombardo <lomato@gmail.com>
#
# SPDX-License-Identifier: GPL-2.0-or-later
import unittest
import fixtures
from suite_dfilter.dfiltertest import *
@fixtures.uses_fixtures
class case_dfunction_string(unittest.TestCase):
trace_file = "dhcp.pcap"
def test_matches_1(self, checkDFilterCount):
dfilter = "string(frame.number) matches \"[13579]$\""
checkDFilterCount(dfilter, 2)
def test_contains_1(self, checkDFilterCount):
dfilter = "string(eth.src) contains \"00:08:74\""
checkDFilterCount(dfilter, 2)
def test_fail_1(self, checkDFilterFail):
# Invalid filter (only non-string fields are supported)
dfilter = "string(dhcp.server) == hostname"
error = 'String conversion for field "dhcp.server" is not supported'
checkDFilterFail(dfilter, error)
def test_fail_2(self, checkDFilterFail):
# Invalid field: value
dfilter = "string(123) == \"123\""
error = 'Only fields can be used as parameter for string()'
checkDFilterFail(dfilter, error)
def test_fail_3(self, checkDFilterFail):
# Invalid field: protocol
dfilter = "string(dhcp) == hostname"
error = 'String conversion for field "dhcp" is not supported'
checkDFilterFail(dfilter, error)
def test_fail_4(self, checkDFilterFail):
# Invalid field: bytes
dfilter = "string(dhcp.option.value) == \"hostname\""
error = 'String conversion for field "dhcp.option.value" is not supported'
checkDFilterFail(dfilter, error)
@fixtures.uses_fixtures
class case_dfunction_maxmin(unittest.TestCase):
trace_file = "sip.pcapng"
def test_min_1(self, checkDFilterCount):
dfilter = 'min(udp.srcport, udp.dstport) == 5060'
checkDFilterCount(dfilter, 5)
def test_min_2(self, checkDFilterCount):
dfilter = 'min(udp.srcport, udp.dstport) == 5070'
checkDFilterCount(dfilter, 0)
def test_max_1(self, checkDFilterCount):
dfilter = 'max(udp.srcport, udp.dstport) == 5070'
checkDFilterCount(dfilter, 3)
def test_max_2(self, checkDFilterCount):
dfilter = 'max(udp.srcport, udp.dstport) == 5060'
checkDFilterCount(dfilter, 2)
def test_max_3(self, checkDFilterCount):
dfilter = 'max(udp.srcport, udp.dstport) < 5060'
checkDFilterCount(dfilter, 1)
def test_max_4(self, checkDFilterFail):
error = 'Argument \'1\' is not valid for max()'
dfilter = 'max(1,_ws.ftypes.int8) == 1'
checkDFilterFail(dfilter, error)
@fixtures.uses_fixtures
class case_dfunction_abs(unittest.TestCase):
trace_file = "dhcp.pcapng"
def test_function_abs_1(self, checkDFilterCount):
dfilter = 'udp.dstport == abs(-67)'
checkDFilterCount(dfilter, 2)
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