added dummy class and began writing unit tests

tests/utils/dummy_class.py

@@ -0,0 +1,27 @@
+from types import MethodType
+
+
+class DummyClass(object):
+    """
+    Class representing dummy data.
+    """
+    def __init__(self, attributes, functions):
+        """
+        Initialize a new DummyClass instance.
+
+        @param attributes: A dictionary of instance variables for this dummy instance.
+        @type attributes: dict
+        @param functions: A dictionary of functions for this dummy instance.
+        @type functions: dict
+        """
+        for key, value in attributes.items():
+            if callable(value):
+                raise ValueError
+            else:
+                setattr(self, key, value)
+
+        for key, value in functions.items():
+            if not callable(value):
+                raise ValueError
+            else:
+                setattr(self, key, MethodType(value, self))