Fix base class of field and input value definition nodes

These are only definition nodes, but not type definition nodes.

Author: Cito

src/graphql/execution/values.py

@@ -5,6 +5,8 @@
     DirectiveNode,
     ExecutableDefinitionNode,
     FieldNode,
+    FieldDefinitionNode,
+    InputValueDefinitionNode,
     NullValueNode,
     SchemaDefinitionNode,
     SelectionNode,
@@ -211,6 +213,8 @@ def get_argument_values(
 
 NodeWithDirective = Union[
     ExecutableDefinitionNode,
+    FieldDefinitionNode,
+    InputValueDefinitionNode,
     SelectionNode,
     SchemaDefinitionNode,
     TypeDefinitionNode,

src/graphql/language/ast.py

@@ -513,16 +513,22 @@ class ObjectTypeDefinitionNode(TypeDefinitionNode):
     fields: Optional[FrozenList["FieldDefinitionNode"]]
 
 
-class FieldDefinitionNode(TypeDefinitionNode):
-    __slots__ = "arguments", "type"
+class FieldDefinitionNode(DefinitionNode):
+    __slots__ = "description", "name", "directives", "arguments", "type"
 
+    description: Optional[StringValueNode]
+    name: NameNode
+    directives: Optional[FrozenList[DirectiveNode]]
     arguments: Optional[FrozenList["InputValueDefinitionNode"]]
     type: TypeNode
 
 
-class InputValueDefinitionNode(TypeDefinitionNode):
-    __slots__ = "type", "default_value"
+class InputValueDefinitionNode(DefinitionNode):
+    __slots__ = "description", "name", "directives", "type", "default_value"
 
+    description: Optional[StringValueNode]
+    name: NameNode
+    directives: Optional[FrozenList[DirectiveNode]]
     type: TypeNode
     default_value: Optional[ValueNode]
 

tests/language/test_predicates.py

@@ -101,10 +101,8 @@ def check_type_system_definition_node():
             "enum_type_definition",
             "enum_type_extension",
             "enum_value_definition",
-            "field_definition",
             "input_object_type_definition",
             "input_object_type_extension",
-            "input_value_definition",
             "interface_type_definition",
             "interface_type_extension",
             "object_type_definition",
@@ -123,9 +121,7 @@ def check_type_definition_node():
         assert filter_nodes(is_type_definition_node) == [
             "enum_type_definition",
             "enum_value_definition",
-            "field_definition",
             "input_object_type_definition",
-            "input_value_definition",
             "interface_type_definition",
             "object_type_definition",
             "scalar_type_definition",