Merge branch 'master' into 1712-cached-reference-push-fix

docs/changelog.rst

@@ -7,9 +7,9 @@ dev
 -  Subfield resolve error in generic_emdedded_document query #1651 #1652
 -  use each modifier only with $position #1673 #1675
 -  Improve LazyReferenceField and GenericLazyReferenceField with nested fields #1704
+-  Fix validation error instance in GenericEmbeddedDocumentField #1067
 -  Update cached fields when fields argument is given #1712
 
-
 Changes in 0.15.0
 =================
 - Add LazyReferenceField and GenericLazyReferenceField to address #1230

docs/tutorial.rst

@@ -153,7 +153,7 @@ post. This works, but there is no real reason to be storing the comments
 separately from their associated posts, other than to work around the
 relational model. Using MongoDB we can store the comments as a list of
 *embedded documents* directly on a post document. An embedded document should
-be treated no differently that a regular document; it just doesn't have its own
+be treated no differently than a regular document; it just doesn't have its own
 collection in the database. Using MongoEngine, we can define the structure of
 embedded documents, along with utility methods, in exactly the same way we do
 with regular documents::

mongoengine/fields.py

@@ -689,6 +689,11 @@ class GenericEmbeddedDocumentField(BaseField):
         return value
 
     def validate(self, value, clean=True):
+        if self.choices and isinstance(value, SON):
+            for choice in self.choices:
+                if value['_cls'] == choice._class_name:
+                    return True
+
         if not isinstance(value, EmbeddedDocument):
             self.error('Invalid embedded document instance provided to an '
                        'GenericEmbeddedDocumentField')
@@ -706,7 +711,6 @@ class GenericEmbeddedDocumentField(BaseField):
     def to_mongo(self, document, use_db_field=True, fields=None):
         if document is None:
             return None
-
         data = document.to_mongo(use_db_field, fields)
         if '_cls' not in data:
             data['_cls'] = document._class_name

tests/queryset/queryset.py

@@ -2086,6 +2086,23 @@ class QuerySetTest(unittest.TestCase):
             Site.objects(id=s.id).update_one(
                 pull_all__collaborators__helpful__user=['Ross'])
 
+    def test_pull_in_genericembedded_field(self):
+
+        class Foo(EmbeddedDocument):
+            name = StringField()
+
+        class Bar(Document):
+            foos = ListField(GenericEmbeddedDocumentField(
+                choices=[Foo, ]))
+
+        Bar.drop_collection()
+
+        foo = Foo(name="bar")
+        bar = Bar(foos=[foo]).save()
+        Bar.objects(id=bar.id).update(pull__foos=foo)
+        bar.reload()
+        self.assertEqual(len(bar.foos), 0)
+
     def test_update_one_pop_generic_reference(self):
 
         class BlogTag(Document):
@@ -2179,6 +2196,24 @@ class QuerySetTest(unittest.TestCase):
         self.assertEqual(message.authors[1].name, "Ross")
         self.assertEqual(message.authors[2].name, "Adam")
 
+    def test_set_generic_embedded_documents(self):
+
+        class Bar(EmbeddedDocument):
+            name = StringField()
+
+        class User(Document):
+            username = StringField()
+            bar = GenericEmbeddedDocumentField(choices=[Bar,])
+
+        User.drop_collection()
+
+        User(username='abc').save()
+        User.objects(username='abc').update(
+            set__bar=Bar(name='test'), upsert=True)
+
+        user = User.objects(username='abc').first()
+        self.assertEqual(user.bar.name, "test")
+
     def test_reload_embedded_docs_instance(self):
 
         class SubDoc(EmbeddedDocument):