Call setData() only if proxy's data is not null

Author: Daniele Esposti

src/puremvc/patterns/proxy.py

@@ -42,7 +42,8 @@ def __init__(self, proxyName=None, data=None):
         if proxyName is None:
             raise ValueError("Proxy name cannot be None")
         self.proxyName = proxyName
-        self.setData(data)
+        if data is not None:
+            self.setData(data)
 
     def getProxyName(self):
         """

tests/patterns/proxy.py

@@ -35,3 +35,13 @@ def testConstructor(self):
         self.assertEqual(True, data[0]  == 'red')
         self.assertEqual(True, data[1]  == 'green')
         self.assertEqual(True, data[2]  == 'blue')
+
+    def testEmptyData(self):
+        """ProxyTest: Test Constructor with not-null empty data"""
+
+        values = ["", (), []]
+
+        for value in values:
+            proxy = puremvc.patterns.proxy.Proxy("empty", value)
+
+            self.assertEqual(proxy.data, value)