+ def test_vhost_interface_state(self):
+ """ Vhost User interface states and events test """
+
+ self.vapi.want_interface_events()
+
+ # clear outstanding events
+ # (like delete interface events from other tests)
+ self.vapi.collect_events()
+
+ vhost_if = VppVhostInterface(self, sock_filename='/tmp/sock1')
+
+ # create vhost interface
+ vhost_if.add_vpp_config()
+ self.sleep(0.1)
+ events = self.vapi.collect_events()
+ # creating interface doesn't currently create events
+ self.assert_equal(len(events), 0, "number of events")
+
+ vhost_if.admin_up()
+ vhost_if.assert_interface_state(1, 0, expect_event=True)
+
+ vhost_if.admin_down()
+ vhost_if.assert_interface_state(0, 0, expect_event=True)
+
+ # delete vhost interface
+ vhost_if.remove_vpp_config()
+ event = self.vapi.wait_for_event(timeout=1)
+ self.assert_equal(event.sw_if_index, vhost_if.sw_if_index,
+ "sw_if_index")
+ self.assert_equal(event.deleted, 1, "deleted flag")
+
+ # verify there are no more events
+ events = self.vapi.collect_events()
+ self.assert_equal(len(events), 0, "number of events")
+