add some more complicated tests

graphene/types/tests/test_enum.py

@@ -486,9 +486,6 @@ def test_enum_inheritance():
     class Query(ObjectType):
         color = ChildRGB(required=True)
 
-        def resolve_color(_, info):
-            return ChildRGB.RED
-
     schema = Schema(query=Query)
     assert str(schema) == dedent(
         '''\
@@ -502,3 +499,49 @@ def test_enum_inheritance():
         }
     '''
     )
+
+
+def test_multiple_enum_inheritance():
+    class Parent1RGB(Enum):
+        RED = 1
+
+    class Parent2RGB(Enum):
+        BLUE = 2
+
+    class ChildRGB(Enum):
+        GREEN = 3
+
+        class Meta:
+            enums = (Parent1RGB, Parent2RGB,)
+
+    class Query(ObjectType):
+        color = ChildRGB(required=True)
+
+    schema = Schema(query=Query)
+    assert str(schema) == dedent(
+        '''\
+        type Query {
+          color: ChildRGB!
+        }
+
+        enum ChildRGB {
+          RED
+          BLUE
+          GREEN
+        }
+    '''
+    )
+
+
+def test_override_enum_inheritance():
+    class ParentRGB(Enum):
+        RED = 1
+        BLUE = 2
+
+    class ChildRGB(Enum):
+        BLUE = 3
+
+        class Meta:
+            enums = (ParentRGB,)
+
+    assert ChildRGB.get(3) != ParentRGB.BLUE