Wrote tests for the ConfigDict dict changes

dulwich/config.py

@@ -92,14 +92,14 @@ class ConfigDict(Config, DictMixin):
             isinstance(other, self.__class__) and
             other._values == self._values)
 
-   def __getitem__(self, key):
-      return self._values[key]
+    def __getitem__(self, key):
+        return self._values[key]
       
-   def __setitem__(self, key, value):
-      self._values[key] = value
-
-   def keys(self):
-      return self._values.keys()
+    def __setitem__(self, key, value):
+        self._values[key] = value
+        
+    def keys(self):
+        return self._values.keys()
 
     @classmethod
     def _parse_setting(cls, name):

dulwich/tests/test_config.py

@@ -170,6 +170,17 @@ class ConfigDictTests(TestCase):
         cd.set(("core", ), "foo", "invalid")
         self.assertRaises(ValueError, cd.get_boolean, ("core", ), "foo")
 
+    def test_dict(self):
+        cd = ConfigDict()
+        cd.set(("core", ), "foo", "bla")
+        cd.set(("core2", ), "foo", "bloe")
+
+        self.assertEqual([("core2", ), ("core", )], cd.keys())
+        self.assertEqual(cd[("core", )], {'foo': 'bla'})
+
+        cd['a'] = 'b'
+        self.assertEqual(cd['a'], 'b')
+
 
 class StackedConfigTests(TestCase):