Fix default value for Dict object

Author: Thomas Rabaix

ioc/helper.py

@@ -53,8 +53,8 @@ def get_keys(arguments):
     return []
 
 class Dict(object):
-    def __init__(self, data):
-        self.data = data
+    def __init__(self, data=None):
+        self.data = data or {}
 
     def get(self, name, default=None):
         data = self.data
@@ -70,6 +70,7 @@ def get(self, name, default=None):
     def get_dict(self, name, default=None):
         default = default or {}
         value = self.get(name, default)
+
         if not isinstance(value, Dict):
             value = Dict(value)
 

tests/ioc/test_helper.py

@@ -36,3 +36,8 @@ def test_dict(self):
         self.assertEquals('value', d.get('key'))
         self.assertEquals(None, d.get('key.fake'))
         self.assertEquals('default', d.get('key.fake', 'default'))
+
+        config = ioc.helper.Dict()
+        managers = config.get_dict('managers', {'foo': 'bar'})
+
+        self.assertEquals(managers.get('foo'), 'bar')