Added test for data value

force_bdss/core/data_value.py

-from traits.api import HasStrictTraits, Any, String, Int
+from traits.api import HasStrictTraits, Any, String, Int, Enum
 
 
 class DataValue(HasStrictTraits):
@@ -16,9 +16,11 @@ class DataValue(HasStrictTraits):
     #: The value.
     value = Any()
 
+    # The numerical accuracy of the value.
     accuracy = Any()
 
-    quality = Int()
+    #: A flag for the quality of the data.
+    quality = Enum("AVERAGE", "POOR", "GOOD")
 
     def __str__(self):
         return """

force_bdss/core/tests/test_data_value.py

+import unittest
+
+from force_bdss.core.data_value import DataValue
+
+
+class TestDataValue(unittest.TestCase):
+    def test_initialization(self):
+        dv = DataValue()
+        self.assertEqual(dv.type, "")
+        self.assertEqual(dv.value, None)
+        self.assertEqual(dv.accuracy, None)
+        self.assertEqual(dv.quality, "AVERAGE")
+