VPP-1508 python3 tests: .encode('hex')

Change to binascii.hexlify() for consistent bahavior.

Change-Id: Ie430cdd1ffeb6510db4aa037546e42d85992093b
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
diff --git a/test/test_acl_plugin_macip.py b/test/test_acl_plugin_macip.py
index 224bc31..951e86a 100644
--- a/test/test_acl_plugin_macip.py
+++ b/test/test_acl_plugin_macip.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 """ACL plugin - MACIP tests
 """
+import binascii
 import random
 import re
 import unittest
@@ -185,8 +186,8 @@
                         rule = "DENY  "
                     print "    IP6" if r.is_ipv6 else "    IP4", \
                           rule, \
-                          r.src_mac.encode('hex'), \
-                          r.src_mac_mask.encode('hex'),\
+                          binascii.hexlify(r.src_mac), \
+                          binascii.hexlify(r.src_mac_mask),\
                           unpack('<16B', r.src_ip_addr), \
                           r.src_ip_prefix_len
         return acls
@@ -575,8 +576,8 @@
         # TODO : verify
         # for acl in acls:
         #     for r in acl.r:
-        #         print r.src_mac.encode('hex'), \
-        #               r.src_mac_mask.encode('hex'),\
+        #         print binascii.hexlify(r.src_mac), \
+        #               binascii.hexlify(r.src_mac_mask),\
         #               unpack('<16B', r.src_ip_addr), \
         #               r.src_ip_prefix_len
         #
diff --git a/test/test_classifier.py b/test/test_classifier.py
index ade9673..f865cb9 100644
--- a/test/test_classifier.py
+++ b/test/test_classifier.py
@@ -1,9 +1,8 @@
 #!/usr/bin/env python
 
-import unittest
-import socket
 import binascii
-import sys
+import socket
+import unittest
 
 from framework import VppTestCase, VppTestRunner
 
@@ -218,9 +217,9 @@
         :param int dst_port: destination port number "x"
         """
         if src_ip:
-            src_ip = socket.inet_aton(src_ip).encode('hex')
+            src_ip = binascii.hexlify(socket.inet_aton(src_ip))
         if dst_ip:
-            dst_ip = socket.inet_aton(dst_ip).encode('hex')
+            dst_ip = binascii.hexlify(socket.inet_aton(dst_ip))
 
         return ('{:0>20}{:0>12}{:0>8}{:0>4}{:0>4}'.format(
             hex(proto)[2:], src_ip, dst_ip, hex(src_port)[2:],
diff --git a/test/test_classifier_ip6.py b/test/test_classifier_ip6.py
index 9f4c20a..cbcf5c4 100644
--- a/test/test_classifier_ip6.py
+++ b/test/test_classifier_ip6.py
@@ -184,9 +184,11 @@
         :param int dst_port: destination port number "x"
         """
         if src_ip:
-            src_ip = socket.inet_pton(socket.AF_INET6, src_ip).encode('hex')
+            src_ip = binascii.hexlify(socket.inet_pton(
+                socket.AF_INET6, src_ip))
         if dst_ip:
-            dst_ip = socket.inet_pton(socket.AF_INET6, dst_ip).encode('hex')
+            dst_ip = binascii.hexlify(socket.inet_pton(
+                socket.AF_INET6, dst_ip))
 
         return ('{:0>14}{:0>34}{:0>32}{:0>4}{:0>4}'.format(
             hex(nh)[2:], src_ip, dst_ip, hex(src_port)[2:],
diff --git a/test/test_flowprobe.py b/test/test_flowprobe.py
index df6b423..d2fd031 100644
--- a/test/test_flowprobe.py
+++ b/test/test_flowprobe.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python
+
+import binascii
 import random
 import socket
 import unittest
@@ -196,8 +198,8 @@
         if cflow.haslayer(Data):
             data = decoder.decode_data_set(cflow.getlayer(Set))
             for record in data:
-                self.assertEqual(int(record[1].encode('hex'), 16), octets)
-                self.assertEqual(int(record[2].encode('hex'), 16), packets)
+                self.assertEqual(int(binascii.hexlify(record[1]), 16), octets)
+                self.assertEqual(int(binascii.hexlify(record[2]), 16), packets)
 
     def send_packets(self, src_if=None, dst_if=None):
         if src_if is None:
@@ -225,9 +227,9 @@
             if data_set is not None:
                 for record in data:
                     # skip flow if in/out gress interface is 0
-                    if int(record[10].encode('hex'), 16) == 0:
+                    if int(binascii.hexlify(record[10]), 16) == 0:
                         continue
-                    if int(record[14].encode('hex'), 16) == 0:
+                    if int(binascii.hexlify(record[14]), 16) == 0:
                         continue
 
                     for field in data_set:
@@ -247,7 +249,7 @@
                             else:
                                 ip = socket.inet_pton(socket.AF_INET6,
                                                       ip_layer.src)
-                            value = int(ip.encode('hex'), 16)
+                            value = int(binascii.hexlify(ip), 16)
                         elif value == 'dst_ip':
                             if ip_ver == 'v4':
                                 ip = socket.inet_pton(socket.AF_INET,
@@ -255,12 +257,13 @@
                             else:
                                 ip = socket.inet_pton(socket.AF_INET6,
                                                       ip_layer.dst)
-                            value = int(ip.encode('hex'), 16)
+                            value = int(binascii.hexlify(ip), 16)
                         elif value == 'sport':
                             value = int(capture[0][UDP].sport)
                         elif value == 'dport':
                             value = int(capture[0][UDP].dport)
-                        self.assertEqual(int(record[field].encode('hex'), 16),
+                        self.assertEqual(int(binascii.hexlify(
+                            record[field]), 16),
                                          value)
 
     def verify_cflow_data_notimer(self, decoder, capture, cflows):
@@ -274,8 +277,10 @@
             for rec in data:
                 p = capture[idx]
                 idx += 1
-                self.assertEqual(p[IP].len, int(rec[1].encode('hex'), 16))
-                self.assertEqual(1, int(rec[2].encode('hex'), 16))
+                self.assertEqual(p[IP].len, int(
+                    binascii.hexlify(rec[1]), 16))
+                self.assertEqual(1, int(
+                    binascii.hexlify(rec[2]), 16))
         self.assertEqual(len(capture), idx)
 
     def wait_for_cflow_packet(self, collector_intf, set_id=2, timeout=1,
@@ -411,25 +416,25 @@
         if cflow.haslayer(Data):
             record = ipfix_decoder.decode_data_set(cflow[0].getlayer(Set))[0]
             # ingress interface
-            self.assertEqual(int(record[10].encode('hex'), 16), 8)
+            self.assertEqual(int(binascii.hexlify(record[10]), 16), 8)
             # egress interface
-            self.assertEqual(int(record[14].encode('hex'), 16), 9)
+            self.assertEqual(int(binascii.hexlify(record[14]), 16), 9)
             # packets
-            self.assertEqual(int(record[2].encode('hex'), 16), 1)
+            self.assertEqual(int(binascii.hexlify(record[2]), 16), 1)
             # src mac
             self.assertEqual(':'.join(re.findall('..', record[56].encode(
                 'hex'))), self.pg8.local_mac)
             # dst mac
             self.assertEqual(':'.join(re.findall('..', record[80].encode(
                 'hex'))), self.pg8.remote_mac)
-            flowTimestamp = int(record[156].encode('hex'), 16) >> 32
+            flowTimestamp = int(binascii.hexlify(record[156]), 16) >> 32
             # flow start timestamp
             self.assertAlmostEqual(flowTimestamp, nowUNIX, delta=1)
-            flowTimestamp = int(record[157].encode('hex'), 16) >> 32
+            flowTimestamp = int(binascii.hexlify(record[157]), 16) >> 32
             # flow end timestamp
             self.assertAlmostEqual(flowTimestamp, nowUNIX, delta=1)
             # ethernet type
-            self.assertEqual(int(record[256].encode('hex'), 16), 8)
+            self.assertEqual(int(binascii.hexlify(record[256]), 16), 8)
             # src ip
             self.assertEqual('.'.join(re.findall('..', record[8].encode(
                                       'hex'))),
@@ -441,13 +446,13 @@
                              '.'.join('{:02x}'.format(int(n)) for n in
                                       "9.0.0.100".split('.')))
             # protocol (TCP)
-            self.assertEqual(int(record[4].encode('hex'), 16), 6)
+            self.assertEqual(int(binascii.hexlify(record[4]), 16), 6)
             # src port
-            self.assertEqual(int(record[7].encode('hex'), 16), 1234)
+            self.assertEqual(int(binascii.hexlify(record[7]), 16), 1234)
             # dst port
-            self.assertEqual(int(record[11].encode('hex'), 16), 4321)
+            self.assertEqual(int(binascii.hexlify(record[11]), 16), 4321)
             # tcp flags
-            self.assertEqual(int(record[6].encode('hex'), 16), 80)
+            self.assertEqual(int(binascii.hexlify(record[6]), 16), 80)
 
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0000")
diff --git a/test/test_ip4.py b/test/test_ip4.py
index bd44a0a..9f2c925 100644
--- a/test/test_ip4.py
+++ b/test/test_ip4.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+import binascii
 import random
 import socket
 import unittest
@@ -302,9 +303,8 @@
         :return list: added ips with 32 prefix
         """
         added_ips = []
-        dest_addr = int(socket.inet_pton(socket.AF_INET,
-                                         start_dest_addr).encode('hex'),
-                        16)
+        dest_addr = int(binascii.hexlify(socket.inet_pton(socket.AF_INET,
+                                         start_dest_addr)), 16)
         dest_addr_len = 32
         n_next_hop_addr = socket.inet_pton(socket.AF_INET, next_hop_addr)
         for _ in range(count):
@@ -318,9 +318,8 @@
     def unconfig_fib_many_to_one(self, start_dest_addr, next_hop_addr, count):
 
         removed_ips = []
-        dest_addr = int(socket.inet_pton(socket.AF_INET,
-                                         start_dest_addr).encode('hex'),
-                        16)
+        dest_addr = int(binascii.hexlify(socket.inet_pton(socket.AF_INET,
+                                         start_dest_addr)), 16)
         dest_addr_len = 32
         n_next_hop_addr = socket.inet_pton(socket.AF_INET, next_hop_addr)
         for _ in range(count):
diff --git a/test/vpp_interface.py b/test/vpp_interface.py
index 8639f87..a464bf3 100644
--- a/test/vpp_interface.py
+++ b/test/vpp_interface.py
@@ -1,3 +1,4 @@
+import binascii
 import socket
 from abc import abstractmethod, ABCMeta
 
@@ -232,7 +233,7 @@
             if intf.sw_if_index == self.sw_if_index:
                 self._name = intf.interface_name.split(b'\0', 1)[0]
                 self._local_mac = \
-                    ':'.join(intf.l2_address.encode('hex')[i:i + 2]
+                    ':'.join(binascii.hexlify(intf.l2_address)[i:i + 2]
                              for i in range(0, 12, 2))
                 self._dump = intf
                 break