NAT44: sessions counters per user fix (VPP-1270)

Change-Id: I6306b81e0e1c3e1c591f929a76bb265c1c1d0859
Signed-off-by: Matus Fabian <matfabia@cisco.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/test/test_nat.py b/test/test_nat.py
index c4018cf66d8..7c841f515c4 100644
--- a/test/test_nat.py
+++ b/test/test_nat.py
@@ -2480,6 +2480,31 @@ class TestNAT44(MethodHolder):
         # verify number of translated packet
         self.pg1.get_capture(pkts_num)
 
+        users = self.vapi.nat44_user_dump()
+        for user in users:
+            if user.ip_address == self.pg0.remote_ip4n:
+                self.assertEqual(user.nsessions,
+                                 nat44_config.max_translations_per_user)
+                self.assertEqual(user.nstaticsessions, 0)
+
+        tcp_port = 22
+        self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr,
+                                      tcp_port, tcp_port,
+                                      proto=IP_PROTOS.tcp)
+        p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+             IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+             TCP(sport=tcp_port))
+        self.pg0.add_stream(p)
+        self.pg_enable_capture(self.pg_interfaces)
+        self.pg_start()
+        self.pg1.get_capture(1)
+        users = self.vapi.nat44_user_dump()
+        for user in users:
+            if user.ip_address == self.pg0.remote_ip4n:
+                self.assertEqual(user.nsessions,
+                                 nat44_config.max_translations_per_user - 1)
+                self.assertEqual(user.nstaticsessions, 1)
+
     def test_interface_addr(self):
         """ Acquire NAT44 addresses from interface """
         self.vapi.nat44_add_interface_addr(self.pg7.sw_if_index)