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-rw-r--r--test/test_nat.py41
1 files changed, 11 insertions, 30 deletions
diff --git a/test/test_nat.py b/test/test_nat.py
index 6152a7eadf4..47e779b9026 100644
--- a/test/test_nat.py
+++ b/test/test_nat.py
@@ -422,14 +422,13 @@ class MethodHolder(VppTestCase):
return pkts
def verify_capture_out(self, capture, nat_ip=None, same_port=False,
- packet_num=3, dst_ip=None, is_ip6=False):
+ dst_ip=None, is_ip6=False):
"""
Verify captured packets on outside network
:param capture: Captured packets
:param nat_ip: Translated IP address (Default use global NAT address)
:param same_port: Sorce port number is not translated (Default False)
- :param packet_num: Expected number of packets (Default 3)
:param dst_ip: Destination IP address (Default do not verify)
:param is_ip6: If L3 protocol is IPv6 (Default False)
"""
@@ -441,7 +440,6 @@ class MethodHolder(VppTestCase):
ICMP46 = ICMP
if nat_ip is None:
nat_ip = self.nat_addr
- self.assertEqual(packet_num, len(capture))
for packet in capture:
try:
if not is_ip6:
@@ -477,28 +475,25 @@ class MethodHolder(VppTestCase):
raise
def verify_capture_out_ip6(self, capture, nat_ip, same_port=False,
- packet_num=3, dst_ip=None):
+ dst_ip=None):
"""
Verify captured packets on outside network
:param capture: Captured packets
:param nat_ip: Translated IP address
:param same_port: Sorce port number is not translated (Default False)
- :param packet_num: Expected number of packets (Default 3)
:param dst_ip: Destination IP address (Default do not verify)
"""
- return self.verify_capture_out(capture, nat_ip, same_port, packet_num,
- dst_ip, True)
+ return self.verify_capture_out(capture, nat_ip, same_port, dst_ip,
+ True)
- def verify_capture_in(self, capture, in_if, packet_num=3):
+ def verify_capture_in(self, capture, in_if):
"""
Verify captured packets on inside network
:param capture: Captured packets
:param in_if: Inside interface
- :param packet_num: Expected number of packets (Default 3)
"""
- self.assertEqual(packet_num, len(capture))
for packet in capture:
try:
self.assert_packet_checksums_valid(packet)
@@ -514,16 +509,14 @@ class MethodHolder(VppTestCase):
"(inside network):", packet))
raise
- def verify_capture_in_ip6(self, capture, src_ip, dst_ip, packet_num=3):
+ def verify_capture_in_ip6(self, capture, src_ip, dst_ip):
"""
Verify captured IPv6 packets on inside network
:param capture: Captured packets
:param src_ip: Source IP
:param dst_ip: Destination IP address
- :param packet_num: Expected number of packets (Default 3)
"""
- self.assertEqual(packet_num, len(capture))
for packet in capture:
try:
self.assertEqual(packet[IPv6].src, src_ip)
@@ -565,20 +558,18 @@ class MethodHolder(VppTestCase):
raise
def verify_capture_out_with_icmp_errors(self, capture, src_ip=None,
- packet_num=3, icmp_type=11):
+ icmp_type=11):
"""
Verify captured packets with ICMP errors on outside network
:param capture: Captured packets
:param src_ip: Translated IP address or IP address of VPP
(Default use global NAT address)
- :param packet_num: Expected number of packets (Default 3)
:param icmp_type: Type of error ICMP packet
we are expecting (Default 11)
"""
if src_ip is None:
src_ip = self.nat_addr
- self.assertEqual(packet_num, len(capture))
for packet in capture:
try:
self.assertEqual(packet[IP].src, src_ip)
@@ -600,18 +591,15 @@ class MethodHolder(VppTestCase):
"(outside network):", packet))
raise
- def verify_capture_in_with_icmp_errors(self, capture, in_if, packet_num=3,
- icmp_type=11):
+ def verify_capture_in_with_icmp_errors(self, capture, in_if, icmp_type=11):
"""
Verify captured packets with ICMP errors on inside network
:param capture: Captured packets
:param in_if: Inside interface
- :param packet_num: Expected number of packets (Default 3)
:param icmp_type: Type of error ICMP packet
we are expecting (Default 11)
"""
- self.assertEqual(packet_num, len(capture))
for packet in capture:
try:
self.assertEqual(packet[IP].dst, in_if.remote_ip4)
@@ -1237,7 +1225,6 @@ class TestNAT44(MethodHolder):
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
capture = self.pg1.get_capture(len(pkts))
- self.assertEqual(1, len(capture))
packet = capture[0]
try:
self.assertEqual(packet[IP].src, self.pg1.local_ip4)
@@ -1265,7 +1252,7 @@ class TestNAT44(MethodHolder):
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
capture = self.pg0.get_capture(1)
- self.verify_capture_in(capture, self.pg0, packet_num=1)
+ self.verify_capture_in(capture, self.pg0)
self.assert_equal(capture[0][IP].proto, IP_PROTOS.icmp)
# in2out
@@ -1276,7 +1263,7 @@ class TestNAT44(MethodHolder):
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
capture = self.pg1.get_capture(1)
- self.verify_capture_out(capture, same_port=True, packet_num=1)
+ self.verify_capture_out(capture, same_port=True)
self.assert_equal(capture[0][IP].proto, IP_PROTOS.icmp)
def test_forwarding(self):
@@ -5392,18 +5379,16 @@ class TestDeterministicNAT(MethodHolder):
return pkts
- def verify_capture_out(self, capture, nat_ip=None, packet_num=3):
+ def verify_capture_out(self, capture, nat_ip=None):
"""
Verify captured packets on outside network
:param capture: Captured packets
:param nat_ip: Translated IP address (Default use global NAT address)
:param same_port: Sorce port number is not translated (Default False)
- :param packet_num: Expected number of packets (Default 3)
"""
if nat_ip is None:
nat_ip = self.nat_addr
- self.assertEqual(packet_num, len(capture))
for packet in capture:
try:
self.assertEqual(packet[IP].src, nat_ip)
@@ -5967,7 +5952,6 @@ class TestNAT64(MethodHolder):
# Wait for Neighbor Solicitation
capture = self.pg5.get_capture(len(pkts))
- self.assertEqual(1, len(capture))
packet = capture[0]
try:
self.assertEqual(packet[IPv6].src, self.pg5.local_ip6)
@@ -5995,7 +5979,6 @@ class TestNAT64(MethodHolder):
# Wait for ping reply
capture = self.pg5.get_capture(len(pkts))
- self.assertEqual(1, len(capture))
packet = capture[0]
try:
self.assertEqual(packet[IPv6].src, self.pg5.local_ip6)
@@ -7321,7 +7304,6 @@ class TestDSlite(MethodHolder):
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
capture = self.pg1.get_capture(1)
- self.assertEqual(1, len(capture))
capture = capture[0]
self.assertEqual(capture[IPv6].src, aftr_ip6)
self.assertEqual(capture[IPv6].dst, self.pg1.remote_hosts[1].ip6)
@@ -7428,7 +7410,6 @@ class TestDSliteCE(MethodHolder):
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
capture = self.pg1.get_capture(1)
- self.assertEqual(1, len(capture))
capture = capture[0]
self.assertEqual(capture[IPv6].src, b4_ip6)
self.assertEqual(capture[IPv6].dst, self.pg1.remote_hosts[0].ip6)