Moved validate() to BaseDocument

docs/django.rst

@@ -28,6 +28,8 @@ The :mod:`~mongoengine.django.auth` module also contains a
 :func:`~mongoengine.django.auth.get_user` helper function, that takes a user's
 :attr:`id` and returns a :class:`~mongoengine.django.auth.User` object.
 
+.. versionadded:: 0.1.3
+
 Sessions
 ========
 Django allows the use of different backend stores for its sessions. MongoEngine
@@ -40,3 +42,5 @@ session backend, ensure that your settings module has
 into you settings module::
 
     SESSION_ENGINE = 'mongoengine.django.sessions'
+
+.. versionadded:: 0.2.1

mongoengine/base.py

@@ -246,6 +246,25 @@ class BaseDocument(object):
                 value = getattr(self, attr_name, None)
                 setattr(self, attr_name, value)
 
+    def validate(self):
+        """Ensure that all fields' values are valid and that required fields
+        are present.
+        """
+        # Get a list of tuples of field names and their current values
+        fields = [(field, getattr(self, name)) 
+                  for name, field in self._fields.items()]
+
+        # Ensure that each field is matched to a valid value
+        for field, value in fields:
+            if value is not None:
+                try:
+                    field.validate(value)
+                except (ValueError, AttributeError, AssertionError), e:
+                    raise ValidationError('Invalid value for field of type "' +
+                                          field.__class__.__name__ + '"')
+            elif field.required:
+                raise ValidationError('Field "%s" is required' % field.name)
+
     @classmethod
     def _get_subclasses(cls):
         """Return a dictionary of all subclasses (found recursively).

mongoengine/document.py

@@ -107,25 +107,6 @@ class Document(BaseDocument):
         for field in self._fields:
             setattr(self, field, obj[field])
 
-    def validate(self):
-        """Ensure that all fields' values are valid and that required fields
-        are present.
-        """
-        # Get a list of tuples of field names and their current values
-        fields = [(field, getattr(self, name)) 
-                  for name, field in self._fields.items()]
-
-        # Ensure that each field is matched to a valid value
-        for field, value in fields:
-            if value is not None:
-                try:
-                    field.validate(value)
-                except (ValueError, AttributeError, AssertionError), e:
-                    raise ValidationError('Invalid value for field of type "' +
-                                          field.__class__.__name__ + '"')
-            elif field.required:
-                raise ValidationError('Field "%s" is required' % field.name)
-
     @classmethod
     def drop_collection(cls):
         """Drops the entire collection associated with this

tests/document.py

@@ -387,6 +387,25 @@ class DocumentTest(unittest.TestCase):
         self.assertTrue('content' in Comment._fields)
         self.assertFalse('id' in Comment._fields)
         self.assertFalse(hasattr(Comment, '_meta'))
+    
+    def test_embedded_document_validation(self):
+        """Ensure that embedded documents may be validated.
+        """
+        class Comment(EmbeddedDocument):
+            date = DateTimeField()
+            content = StringField(required=True)
+        
+        comment = Comment()
+        self.assertRaises(ValidationError, comment.validate)
+
+        comment.content = 'test'
+        comment.validate()
+
+        comment.date = 4
+        self.assertRaises(ValidationError, comment.validate)
+
+        comment.date = datetime.datetime.now()
+        comment.validate()
 
     def test_save(self):
         """Ensure that a document may be saved in the database.