Bridge Domain tests update

[csit.git] / resources / libraries / python / NodePath.py

diff --git a/resources/libraries/python/NodePath.py b/resources/libraries/python/NodePath.py
index d1aa1f7..6700ddf 100644 (file)
--- a/resources/libraries/python/NodePath.py
+++ b/resources/libraries/python/NodePath.py
@@ -115,6 +115,10 @@ class NodePath(object):
                 l_set = set(links).intersection(self._links)
             else:
                 l_set = set(links).difference(self._links)
+                if not l_set:
+                    raise RuntimeError(
+                        'No free link between {0} and {1}, all links already ' +
+                        'used'.format(node1['host'], node2['host']))
 
             if not l_set:
                 link = links.pop()