Add test for querying on fields of list(EmbeddedDocument) (with inheritance on the EmbededDoc)

docs/changelog.rst

@@ -4,6 +4,7 @@ Changelog
 
 Development
 ===========
+- Fix querying on List(EmbeddedDocument) subclasses fields #1961
 - Fix querying on (Generic)EmbeddedDocument subclasses fields #475
 - expose `mongoengine.connection.disconnect` and `mongoengine.connection.disconnect_all`
 - Fix disconnect function #566 #1599 #605 #607 #1213 #565

tests/fields/test_embedded_document_field.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 from mongoengine import Document, StringField, ValidationError, EmbeddedDocument, EmbeddedDocumentField, \
-    InvalidQueryError, LookUpError, IntField, GenericEmbeddedDocumentField, ListField
+    InvalidQueryError, LookUpError, IntField, GenericEmbeddedDocumentField, ListField, EmbeddedDocumentListField
 
 from tests.utils import MongoDBTestCase
 
@@ -108,6 +108,22 @@ class TestEmbeddedDocumentField(MongoDBTestCase):
         self.assertEqual(only_p.settings.base_foo, 'basefoo')
         self.assertIsNone(only_p.settings.sub_foo)
 
+    def test_query_list_embedded_document_with_inheritance(self):
+        class BaseEmbeddedDoc(EmbeddedDocument):
+            s = StringField()
+            meta = {'allow_inheritance': True}
+
+        class EmbeddedDoc(BaseEmbeddedDoc):
+            s2 = StringField()
+
+        class MyDoc(Document):
+            embeds = EmbeddedDocumentListField(BaseEmbeddedDoc)
+
+        doc = MyDoc(embeds=[EmbeddedDoc(s='foo', s2='bar')]).save()
+
+        self.assertEqual(MyDoc.objects(embeds__s='foo').first(), doc)
+        self.assertEqual(MyDoc.objects(embeds__s2='bar').first(), doc)
+
 
 class TestGenericEmbeddedDocumentField(MongoDBTestCase):