make test: elegantly handle expected API failures
Allow writing simple code to expect API failure when needed:
with self.vapi.expect_negative_api_retval():
do_api_call() # expected to return negative retval in response
Change-Id: Id58d91d9ce38d20ad6ff7a43a6897e79ffbd23bf
Signed-off-by: Klement Sekera <ksekera@cisco.com>
diff --git a/test/test_bfd.py b/test/test_bfd.py
index b56df33..d047b5a 100644
--- a/test/test_bfd.py
+++ b/test/test_bfd.py
@@ -42,14 +42,11 @@
""" create the same BFD session twice (negative case) """
session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4)
session.add_vpp_config()
- try:
+
+ with self.vapi.expect_negative_api_retval():
session.add_vpp_config()
- except:
- session.remove_vpp_config()
- return
+
session.remove_vpp_config()
- raise Exception("Expected failure while adding duplicate "
- "configuration")
def test_add_two(self):
""" create two BFD sessions """