[2254] change exception type

and add comment to tests

src/lib/python/isc/config/ccsession.py

@@ -575,7 +575,7 @@ class UIModuleCCSession(MultiConfigData):
         # for type any, we determine the 'type' by what value is set
         # (which would be either list or dict)
         cur_value, _ = self.get_value(identifier)
-        type_any = module_spec['item_type'] == 'any'
+        type_any = isc.config.config_data.spec_part_is_any(module_spec)
 
         # the specified element must be a list or a named_set
         if 'list_item_spec' in module_spec or\
@@ -603,7 +603,7 @@ class UIModuleCCSession(MultiConfigData):
             self._add_value_to_named_set(identifier, item_name,
                                          item_value)
         else:
-            raise isc.cc.data.DataNotFoundError(str(identifier) + " is not a list or a named set")
+            raise isc.cc.data.DataTypeError(str(identifier) + " is not a list or a named set")
 
     def _remove_value_from_list(self, identifier, value):
         if value is None:
@@ -668,7 +668,7 @@ class UIModuleCCSession(MultiConfigData):
            (type_any and type(cur_value) == dict):
             self._remove_value_from_named_set(identifier, value_str)
         else:
-            raise isc.cc.data.DataNotFoundError(str(identifier) + " is not a list or a named_set")
+            raise isc.cc.data.DataTypeError(str(identifier) + " is not a list or a named_set")
 
 
 

src/lib/python/isc/config/tests/ccsession_test.py

@@ -993,11 +993,15 @@ class TestUIModuleCCSession(unittest.TestCase):
 
         self.assertRaises(isc.cc.data.DataNotFoundError, uccs.add_value, 1, "a")
         self.assertRaises(isc.cc.data.DataNotFoundError, uccs.add_value, "no_such_item", "a")
-        self.assertRaises(isc.cc.data.DataNotFoundError, uccs.add_value, "Spec2/item1", "a")
         self.assertRaises(isc.cc.data.DataNotFoundError, uccs.remove_value, 1, "a")
         self.assertRaises(isc.cc.data.DataNotFoundError, uccs.remove_value, "no_such_item", "a")
-        self.assertRaises(isc.cc.data.DataNotFoundError, uccs.remove_value, "Spec2/item1", "a")
-        self.assertRaises(isc.cc.data.DataNotFoundError, uccs.remove_value, "Spec2", "")
+        # add and remove should raise DataNotFoundError when used with items
+        # that are not a list or named_set (more importantly, they should
+        # not raise TypeError)
+        self.assertRaises(isc.cc.data.DataTypeError, uccs.add_value, "Spec2/item1", "a")
+        self.assertRaises(isc.cc.data.DataTypeError, uccs.remove_value, "Spec2/item1", "a")
+        self.assertRaises(isc.cc.data.DataTypeError, uccs.add_value, "Spec2", "")
+        self.assertRaises(isc.cc.data.DataTypeError, uccs.remove_value, "Spec2", "")
 
         self.assertEqual({}, uccs._local_changes)
         uccs.add_value("Spec2/item5", "foo")
@@ -1044,9 +1048,9 @@ class TestUIModuleCCSession(unittest.TestCase):
         items_as_str = [ '1234', 'foo', 'true', 'false' ]
 
         def test_fails():
-            self.assertRaises(isc.cc.data.DataNotFoundError, uccs.add_value, "Spec40/item1", "foo")
-            self.assertRaises(isc.cc.data.DataNotFoundError, uccs.add_value, "Spec40/item1", "foo", "bar")
-            self.assertRaises(isc.cc.data.DataNotFoundError, uccs.remove_value, "Spec40/item1", "foo")
+            self.assertRaises(isc.cc.data.DataTypeError, uccs.add_value, "Spec40/item1", "foo")
+            self.assertRaises(isc.cc.data.DataTypeError, uccs.add_value, "Spec40/item1", "foo", "bar")
+            self.assertRaises(isc.cc.data.DataTypeError, uccs.remove_value, "Spec40/item1", "foo")
             self.assertRaises(isc.cc.data.DataTypeError, uccs.remove_value, "Spec40/item1[0]", None)
 
         # A few helper functions to perform a number of tests