vnf_generic: Fix str object has no attribute items

When an IP range is specified in src_ip/dst_ip like:
src_ip:
   - '152.16.100.180-152.16.100.181'
yardstick would return str object has no attribute items error.
This change will return the IP range as is if type is str.

Change-Id: I3b097777f0d85b0600207157bebba18987ea2275
Signed-off-by: Dino Simeon Madarang <dinox.madarang@intel.com>
Signed-off-by: Ross Brattain <ross.b.brattain@intel.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/unit/benchmark/scenarios/networking/test_vnf_generic.py b/tests/unit/benchmark/scenarios/networking/test_vnf_generic.py
index fa9b8549d..5b15daca4 100644
--- a/tests/unit/benchmark/scenarios/networking/test_vnf_generic.py
+++ b/tests/unit/benchmark/scenarios/networking/test_vnf_generic.py
@@ -361,6 +361,12 @@ class TestNetworkServiceTestCase(unittest.TestCase):
     def test___init__(self):
         assert self.topology
 
+    def test__get_ip_flow_range_string(self):
+        self.scenario_cfg["traffic_options"]["flow"] = \
+            self._get_file_abspath("ipv4_1flow_Packets_vpe.yaml")
+        result = '152.16.100.2-152.16.100.254'
+        self.assertEqual(result, self.s._get_ip_flow_range('152.16.100.2-152.16.100.254'))
+
     def test__get_ip_flow_range(self):
         self.scenario_cfg["traffic_options"]["flow"] = \
             self._get_file_abspath("ipv4_1flow_Packets_vpe.yaml")