refactoring

Author: davidvilla

doublex/doubles.py

@@ -189,14 +189,14 @@ def _get_method(self, key):
 
 
 def method_returning(value):
-    with Spy() as stub:
-        method = Method(stub, 'orphan')
+    with Spy() as spy:
+        method = Method(spy, 'orphan')
         method(ANY_ARG).returns(value)
         return method
 
 
 def method_raising(exception):
-    with Spy() as stub:
-        method = Method(stub, 'orphan')
+    with Spy() as spy:
+        method = Method(spy, 'orphan')
         method(ANY_ARG).raises(exception)
         return method

doublex/internal.py

@@ -92,6 +92,7 @@ def notify(self, *args, **kargs):
 class Method(Observable):
     def __init__(self, double, name):
         super(Method, self).__init__()
+        # FIXME: assert isinstance(double, Stub)
         self.double = double
         self.name = name
         self.__name__ = name