corrections and tests

dream/simulation/RandomNumberGenerator.py

@@ -38,6 +38,16 @@ class RandomNumberGenerator(object):
 #            ...
 #         },
     def __init__(self, obj, distribution):   
+        # check in case an inknown distrbution was given
+        unknownDistribution=True
+        for key in distribution.keys():
+            if key in ['Fixed', 'Normal','Exp','Gamma','Logistic','Erlang',
+                           'Geometric','Lognormal','Weibull','Cauchy']:
+                unknownDistribution=False
+                break
+        if unknownDistribution:
+            raise ValueError("Unknown distribution %r used in %s %s" %
+                            (distribution, obj.__class__, obj.id)) 
         # pop irrelevant keys
         for key in distribution.keys():
             if key not in ['Fixed', 'Normal','Exp','Gamma','Logistic','Erlang',

dream/simulation/Source.py

@@ -84,7 +84,7 @@ class Source(CoreObject):
     def __init__(self, id, name, interArrivalTime=None, entity='Dream.Part',**kw):
         # Default values
         if not interArrivalTime:
-          interArrivalTime = {'distributionType': 'Fixed', 'mean': 1}
+          interArrivalTime = {'Fixed': {'mean': 1}}
         if 'Normal' in interArrivalTime.keys() and\
               interArrivalTime['Normal'].get('max', None) is None:
           interArrivalTime['Normal']['max'] = interArrivalTime['Normal']['mean'] + 5 * interArrivalTime['Normal']['stdev']