# HG changeset patch
# User Jeff Hammel <jhammel@mozilla.com>
# Date 1332877816 25200
# Node ID 84fb8ad5ba8136e5e0c4f20a648e428a8bab7849
# Parent  7abea9a6fa16420bba52ae3367f7a78a267870e2
ensure that missing values raise the correct exception

diff -r 7abea9a6fa16 -r 84fb8ad5ba81 configuration/config.py
--- a/configuration/config.py	Tue Mar 27 12:32:15 2012 -0700
+++ b/configuration/config.py	Tue Mar 27 12:50:16 2012 -0700
@@ -22,7 +22,7 @@
 except ImportError:
     yaml = None
 
-__all__ = ['Configuration', 'configuration_providers', 'types', 'MissingValueException', 'ConfigurationProviderException', 'ConfigurationOption']
+__all__ = ['Configuration', 'configuration_providers', 'types', 'MissingValueException', 'ConfigurationProviderException', 'TypeCastException', 'ConfigurationOption']
 
 ### exceptions
 
diff -r 7abea9a6fa16 -r 84fb8ad5ba81 tests/unit.py
--- a/tests/unit.py	Tue Mar 27 12:32:15 2012 -0700
+++ b/tests/unit.py	Tue Mar 27 12:50:16 2012 -0700
@@ -73,6 +73,18 @@
         if os.path.exists(filename):
             os.remove(filename)
 
+    def test_missing_values(self):
+        """ensure that Configuration raises a missing value exception"""
+
+        example = ExampleConfiguration()
+
+        exception = None
+        try:
+            example.parse(args=[])
+        except Exception, exception:
+            pass
+        self.assertTrue(isinstance(exception, configuration.TypeCastException))
+
     def test_required(self):
         """ensure you have to have required values"""