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|
#!/router/bin/python
from stl.trex_stl_lib.api import *
import os
import unittest
gen_stream = CTRexHltApiBuilder.generate_stream
def compare_yamls(yaml1, yaml2):
if type(yaml1) is not str:
raise Exception("yaml1 is '%s', expected str" % type(yaml1))
if type(yaml2) is not str:
raise Exception("yaml2 is '%s', expected str" % type(yaml2))
i = 0
for line1, line2 in zip(yaml1.strip().split('\n'), yaml2.strip().split('\n')):
i += 1
if line1 != line2:
raise Exception('yamls are not equal starting from line %s:\n%s\n\t<->\n%s' % (i, line1.strip(), line2.strip()))
class CTRexHltApi_Test(unittest.TestCase):
''' Checks correct HLTAPI creation of packet/VM '''
def setUp(self):
self.golden_yaml = None
self.test_yaml = None
def tearDown(self):
compare_yamls(self.golden_yaml, self.test_yaml)
# Eth/IP/TCP, all values default, no VM instructions
def test_default(self):
test_stream = gen_stream(name = 'stream-0')
self.test_yaml = test_stream.dump_to_yaml(self.yaml_save_location())
self.golden_yaml = '''
- name: stream-0
stream:
enabled: true
isg: 0.0
mode:
pps: 1
type: continuous
packet:
binary: AAAAAAAAAAABAAABCABFAAAyAAAAAEAGusUAAAAAwAAAAQQAAFAAAAABAAAAAVAAD+U1/QAAISEhISEhISEhIQ==
meta: ''
rx_stats:
enabled: false
self_start: true
vm:
instructions: []
split_by_var: ''
'''
# Eth/IP/TCP, ip src and dest is changed by VM
def test_ip_ranges(self):
test_stream = gen_stream(ip_src_addr = '192.168.1.1',
ip_src_mode = 'increment',
ip_src_count = 5,
ip_dst_addr = '5.5.5.5',
ip_dst_count = 2,
ip_dst_mode = 'random',
name = 'stream-0')
self.test_yaml = test_stream.dump_to_yaml(self.yaml_save_location())
self.golden_yaml = '''
- name: stream-0
stream:
enabled: true
isg: 0.0
mode:
pps: 1
type: continuous
packet:
binary: AAAAAAAAAAABAAABCABFAAAyAAAAAEAGrxPAqAEBBQUFBQQAAFAAAAABAAAAAVAAD+UqSwAAISEhISEhISEhIQ==
meta: ''
rx_stats:
enabled: false
self_start: true
vm:
instructions:
- init_value: 3232235777
max_value: 3232235781
min_value: 3232235777
name: ip_src
op: inc
size: 4
type: flow_var
- add_value: 0
is_big_endian: true
name: ip_src
pkt_offset: 26
type: write_flow_var
- init_value: 84215045
max_value: 84215046
min_value: 84215045
name: ip_dst
op: random
size: 4
type: flow_var
- add_value: 0
is_big_endian: true
name: ip_dst
pkt_offset: 30
type: write_flow_var
- pkt_offset: 14
type: fix_checksum_ipv4
split_by_var: ''
'''
# Eth / IP / TCP, tcp ports are changed by VM
def test_tcp_ranges(self):
test_stream = gen_stream(tcp_src_port_mode = 'decrement',
tcp_src_port_count = 10,
tcp_dst_port_mode = 'random',
tcp_dst_port_count = 10,
tcp_dst_port = 1234,
name = 'stream-0')
self.test_yaml = test_stream.dump_to_yaml(self.yaml_save_location())
self.golden_yaml = '''
- name: stream-0
stream:
enabled: true
isg: 0.0
mode:
pps: 1
type: continuous
packet:
binary: AAAAAAAAAAABAAABCABFAAAyAAAAAEAGusUAAAAAwAAAAQQABNIAAAABAAAAAVAAD+UxewAAISEhISEhISEhIQ==
meta: ''
rx_stats:
enabled: false
self_start: true
vm:
instructions:
- init_value: 1024
max_value: 1024
min_value: 1015
name: tcp_src
op: dec
size: 2
type: flow_var
- add_value: 0
is_big_endian: true
name: tcp_src
pkt_offset: 34
type: write_flow_var
- init_value: 1234
max_value: 1243
min_value: 1234
name: tcp_dst
op: random
size: 2
type: flow_var
- add_value: 0
is_big_endian: true
name: tcp_dst
pkt_offset: 36
type: write_flow_var
- pkt_offset: 14
type: fix_checksum_ipv4
split_by_var: ''
'''
# Eth / IP / UDP, udp ports are changed by VM
def test_udp_ranges(self):
# UDP is not set, expecting ignore of wrong UDP arguments
gen_stream(udp_src_port_mode = 'qwerqwer',
udp_src_port_count = 'weqwer',
udp_src_port = 'qwerqwer',
udp_dst_port_mode = 'qwerqwe',
udp_dst_port_count = 'sfgsdfg',
udp_dst_port = 'sdfgsdfg')
# UDP is set, expecting fail due to wrong UDP arguments
with self.assertRaises(Exception):
gen_stream(l4_protocol = 'udp',
udp_src_port_mode = 'qwerqwer',
udp_src_port_count = 'weqwer',
udp_src_port = 'qwerqwer',
udp_dst_port_mode = 'qwerqwe',
udp_dst_port_count = 'sfgsdfg',
udp_dst_port = 'sdfgsdfg')
# generate it already with correct arguments
test_stream = gen_stream(l4_protocol = 'udp',
udp_src_port_mode = 'decrement',
udp_src_port_count = 10,
udp_src_port = 1234,
udp_dst_port_mode = 'increment',
udp_dst_port_count = 10,
udp_dst_port = 1234,
name = 'stream-0')
self.test_yaml = test_stream.dump_to_yaml(self.yaml_save_location())
self.golden_yaml = '''
- name: stream-0
stream:
enabled: true
isg: 0.0
mode:
pps: 1
type: continuous
packet:
binary: AAAAAAAAAAABAAABCABFAAAyAAAAAEARuroAAAAAwAAAAQTSBNIAHsmgISEhISEhISEhISEhISEhISEhISEhIQ==
meta: ''
rx_stats:
enabled: false
self_start: true
vm:
instructions:
- init_value: 1234
max_value: 1234
min_value: 1225
name: udp_src
op: dec
size: 2
type: flow_var
- add_value: 0
is_big_endian: true
name: udp_src
pkt_offset: 34
type: write_flow_var
- init_value: 1234
max_value: 1243
min_value: 1234
name: udp_dst
op: inc
size: 2
type: flow_var
- add_value: 0
is_big_endian: true
name: udp_dst
pkt_offset: 36
type: write_flow_var
- pkt_offset: 14
type: fix_checksum_ipv4
split_by_var: ''
'''
# Eth/IP/TCP, packet length is changed in VM by frame_size
def test_pkt_len_by_framesize(self):
# frame_size_step should be 1 (as default)
with self.assertRaises(Exception):
test_stream = gen_stream(length_mode = 'decrement',
frame_size_min = 100,
frame_size_max = 3000,
frame_size_step = 20)
# just check errors, no compare to golden
gen_stream(length_mode = 'increment',
frame_size_min = 100,
frame_size_max = 3000)
test_stream = gen_stream(length_mode = 'decrement',
frame_size_min = 100,
frame_size_max = 3000,
name = 'stream-0')
self.test_yaml = test_stream.dump_to_yaml(self.yaml_save_location())
self.golden_yaml = '''
- name: stream-0
stream:
enabled: true
isg: 0.0
mode:
pps: 1
type: continuous
packet:
binary: AAAAAAAAAAABAAABCABFAAAyAAAAAEAGusUAAAAAwAAAAQQAAFAAAAABAAAAAVAAD+U8AwAAISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEh
meta: ''
rx_stats:
enabled: false
self_start: true
vm:
instructions:
- init_value: 3000
max_value: 3000
min_value: 100
name: fv_rand
op: dec
size: 2
type: flow_var
- name: fv_rand
type: trim_pkt_size
- add_value: -14
is_big_endian: true
name: fv_rand
pkt_offset: 16
type: write_flow_var
- pkt_offset: 14
type: fix_checksum_ipv4
split_by_var: ''
'''
# Eth/IP/UDP, packet length is changed in VM by l3_length
def test_pkt_len_by_l3length(self):
# l3_length_step should be 1
with self.assertRaises(Exception):
gen_stream(l4_protocol = 'udp',
length_mode = 'random',
l3_length_min = 100,
l3_length_max = 400,
l3_length_step = 20)
test_stream = gen_stream(l4_protocol = 'udp',
length_mode = 'random',
l3_length_min = 100,
l3_length_max = 400,
name = 'stream-0')
self.test_yaml = test_stream.dump_to_yaml(self.yaml_save_location())
self.golden_yaml = '''
- name: stream-0
stream:
enabled: true
isg: 0.0
mode:
pps: 1
type: continuous
packet:
binary: AAAAAAAAAAABAAABCABFAAAyAAAAAEARuroAAAAAwAAAAQQAAFABfCfxISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEh
meta: ''
rx_stats:
enabled: false
self_start: true
vm:
instructions:
- init_value: 114
max_value: 414
min_value: 114
name: fv_rand
op: random
size: 2
type: flow_var
- name: fv_rand
type: trim_pkt_size
- add_value: -14
is_big_endian: true
name: fv_rand
pkt_offset: 16
type: write_flow_var
- add_value: -34
is_big_endian: true
name: fv_rand
pkt_offset: 38
type: write_flow_var
- pkt_offset: 14
type: fix_checksum_ipv4
split_by_var: ''
'''
def yaml_save_location(self):
return os.devnull
# debug/deveopment, comment line above
return '/tmp/%s.yaml' % self._testMethodName
|
