L2-FIB:add mac learn events test

fixes an issue where events were not sent if BD doesn't enable  mac aging

Change-Id: Iddc53cb5c45e560633e6c5cff2731dccfc70ad5b
Signed-off-by: Eyal Bari <ebari@cisco.com>
(cherry picked from commit 24db0ec78fb651c4c585ebf30e07108240574045)

2 files changed, 27 insertions, 0 deletions

diff --git a/test/test_l2_fib.py b/test/test_l2_fib.py
index 9249a2ce..52bf9c86 100644
--- a/test/test_l2_fib.py
+++ b/test/test_l2_fib.py
@@ -519,6 +519,24 @@ class TestL2fib(VppTestCase):
         self.run_verify_negat_test(bd_id=1, dst_hosts=flushed)
         self.run_verify_negat_test(bd_id=2, dst_hosts=flushed)
 
+    def test_l2_fib_09(self):
+        """ L2 FIB test 9 - mac learning events
+        """
+        self.create_hosts(10, subnet=39)
+
+        self.vapi.want_macs_learn_events()
+        self.learn_hosts(bd_id=1, n_hosts_per_if=10)
+
+        self.sleep(1)
+        self.logger.info(self.vapi.ppcli("show l2fib"))
+        evs = self.vapi.collect_events()
+        learned_macs = {
+            e.mac[i].mac_addr for e in evs for i in range(e.n_macs)}
+        macs = {h.bin_mac for swif_hs in self.learned_hosts.itervalues()
+                for h in swif_hs}
+        self.vapi.want_macs_learn_events(enable_disable=0)
+        self.assertEqual(len(learned_macs ^ macs), 0)
+
 
 if __name__ == '__main__':
     unittest.main(testRunner=VppTestRunner)
diff --git a/test/vpp_papi_provider.py b/test/vpp_papi_provider.py
index 634dabea..b6759ec3 100644
--- a/test/vpp_papi_provider.py
+++ b/test/vpp_papi_provider.py
@@ -431,6 +431,15 @@ class VppPapiProvider(object):
                          'address': address,
                          'pid': os.getpid(), })
 
+    def want_macs_learn_events(self, enable_disable=1, scan_delay=0,
+                               max_macs_in_event=0, learn_limit=0):
+        return self.api(self.papi.want_l2_macs_events,
+                        {'enable_disable': enable_disable,
+                         'scan_delay': scan_delay,
+                         'max_macs_in_event': max_macs_in_event,
+                         'learn_limit': learn_limit,
+                         'pid': os.getpid(), })
+
     def l2fib_add_del(self, mac, bd_id, sw_if_index, is_add=1, static_mac=0,
                       filter_mac=0, bvi_mac=0):
         """Create/delete L2 FIB entry.