Merge pull request #185 from gjo/bypass_title_overwrite2

Bypass title overwrite2

CONTRIBUTORS.txt

@@ -117,3 +117,4 @@ Contributors
 - Michael Howitz, 2013/12/05
 - Alex Marandon, 2013/12/21
 - Cédric Messiant, 2014/06/27
+- Gouji Ochiai, 2014/08/21

colander/__init__.py

@@ -1815,7 +1815,7 @@ class _SchemaNode(object):
     missing_msg = _('Required')
     name = ''
     raw_title = _marker
-    title = ''
+    title = _marker
     description = ''
     widget = None
     after_bind = None
@@ -1842,6 +1842,7 @@ class _SchemaNode(object):
         # bw compat forces us to manufacture a title if one is not supplied
         title = kw.get('title', _marker)
         if title is _marker:
+            if self.title is _marker:
                 name = kw.get('name', self.name)
                 kw['title'] = name.replace('_', ' ').title()
         else:

colander/tests/test_colander.py

@@ -2726,6 +2726,22 @@ class TestSchemaNodeSubclassing(unittest.TestCase):
         result = node.deserialize(colander.null)
         self.assertEqual(result, 10)
 
+    def test_subclass_uses_title(self):
+        import colander
+        class MyNode(colander.SchemaNode):
+            schema_type = colander.Int
+            title = 'some title'
+        node = MyNode(name='my')
+        self.assertEqual(node.title, 'some title')
+
+    def test_subclass_title_overwritten_by_constructor(self):
+        import colander
+        class MyNode(colander.SchemaNode):
+            schema_type = colander.Int
+            title = 'some title'
+        node = MyNode(name='my', title='other title')
+        self.assertEqual(node.title, 'other title')
+
     def test_subclass_value_overridden_by_constructor(self):
         import colander
         class MyNode(colander.SchemaNode):