[PATCH v4 1/3] tests: Extend test_connectivity to check disconnection

[Masashi Honma <masashi.honma@xxxxxxxxx>]

Add success_expected argument to test_connectivity because the function
is expected to fail on some test cases.

Signed-off-by: Masashi Honma <masashi.honma@xxxxxxxxx>
---
 tests/hwsim/hwsim_utils.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tests/hwsim/hwsim_utils.py b/tests/hwsim/hwsim_utils.py
index c74af2f..535220d 100644
--- a/tests/hwsim/hwsim_utils.py
+++ b/tests/hwsim/hwsim_utils.py
@@ -141,7 +141,7 @@ def run_connectivity_test(dev1, dev2, tos, dev1group=False, dev2group=False,
 def test_connectivity(dev1, dev2, dscp=None, tos=None, max_tries=1,
                       dev1group=False, dev2group=False,
                       ifname1=None, ifname2=None, config=True, timeout=5,
-                      multicast_to_unicast=False):
+                      multicast_to_unicast=False, success_expected=True):
     if dscp:
         tos = dscp << 2
     if not tos:
@@ -161,7 +161,9 @@ def test_connectivity(dev1, dev2, dscp=None, tos=None, max_tries=1,
             last_err = e
             if i + 1 < max_tries:
                 time.sleep(1)
-    if not success:
+    if success_expected and not success:
+        raise Exception(last_err)
+    if not success_expected and success:
         raise Exception(last_err)
 
 def test_connectivity_iface(dev1, dev2, ifname, dscp=None, tos=None,
-- 
2.7.4


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