Added test to ensure fields can be defined on meta

graphene/relay/tests/test_connection.py

@@ -1,5 +1,8 @@
+from collections import OrderedDict
+
 import pytest
 
+import graphene
 from ...types import Argument, Field, Int, List, NonNull, ObjectType, Schema, String
 from ..connection import Connection, ConnectionField, PageInfo, ConnectionOptions
 from ..node import Node
@@ -74,6 +77,33 @@ def test_connection_meta_assignment():
     assert id(MyObjectConnection._meta) == id(meta)
 
 
+def test_connection_meta_can_have_fields():
+    meta = ConnectionOptions(Connection)
+    meta.fields = OrderedDict([
+        ("test", graphene.String())
+    ])
+
+    class BaseConnection(object):
+        extra = String()
+
+    class InheritedConnection(Connection):
+        class Meta:
+            abstract = True
+
+        @classmethod
+        def __init_subclass_with_meta__(cls, node=None, name=None, **options):
+            return super(InheritedConnection, cls).__init_subclass_with_meta__(
+                _meta=meta, node=node, name=name, **options
+            )
+
+    class MyObjectConnection(BaseConnection, InheritedConnection):
+        class Meta:
+            node = MyObject
+
+    fields = MyObjectConnection._meta.fields
+    assert list(fields.keys()) == ["test", "page_info", "edges", "extra"]
+
+
 def test_connection_name():
     custom_name = "MyObjectCustomNameConnection"