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-rw-r--r--test/util.py22
1 files changed, 22 insertions, 0 deletions
diff --git a/test/util.py b/test/util.py
index 643377f5740..f6c6acd41e9 100644
--- a/test/util.py
+++ b/test/util.py
@@ -1,5 +1,6 @@
import socket
import sys
+from abc import abstractmethod, ABCMeta
from cStringIO import StringIO
@@ -14,6 +15,27 @@ def ppp(headline, packet):
return o.getvalue()
+class NumericConstant(object):
+ __metaclass__ = ABCMeta
+
+ desc_dict = {}
+
+ @abstractmethod
+ def __init__(self, value):
+ self._value = value
+
+ def __int__(self):
+ return self._value
+
+ def __long__(self):
+ return self._value
+
+ def __str__(self):
+ if self._value in self.desc_dict:
+ return self.desc_dict[self._value]
+ return ""
+
+
class Host(object):
""" Generic test host "connected" to VPPs interface. """