From 9f28d2fde48771d699ebc9299a52c8df706a6780 Mon Sep 17 00:00:00 2001
From: Jonathan Kim <jkimbo@gmail.com>
Date: Thu, 9 Jul 2020 16:17:09 +0100
Subject: [PATCH] Remove enum compat middleware

---
 graphene/compat/__init__.py       |   0
 graphene/compat/middleware.py     |  47 --------------
 graphene/types/tests/test_enum.py | 100 ------------------------------
 3 files changed, 147 deletions(-)
 delete mode 100644 graphene/compat/__init__.py
 delete mode 100644 graphene/compat/middleware.py

diff --git a/graphene/compat/__init__.py b/graphene/compat/__init__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/graphene/compat/middleware.py b/graphene/compat/middleware.py
deleted file mode 100644
index 7796e978..00000000
--- a/graphene/compat/middleware.py
+++ /dev/null
@@ -1,47 +0,0 @@
-from graphql import OperationType
-
-from ..utils.str_converters import to_snake_case
-from ..types.definitions import GrapheneEnumType, GrapheneInputObjectType
-from ..types.utils import get_underlying_type
-
-
-def convert_enum_args(args, input_arguments):
-    new_args = {}
-
-    for arg_name, arg in input_arguments.items():
-        _type = get_underlying_type(arg.type)
-
-        arg_name = to_snake_case(arg_name)
-        input_value = args.get(arg_name, None)
-
-        if isinstance(_type, GrapheneEnumType):
-            # Convert inputs to value
-            if input_value and isinstance(input_value, _type.graphene_type._meta.enum):
-                new_args[arg_name] = input_value.value
-            else:
-                new_args[arg_name] = input_value
-        elif isinstance(_type, GrapheneInputObjectType):
-            _input_arguments = get_underlying_type(arg.type).fields
-            input_type = input_value.get_type()
-            new_args[arg_name] = input_type(
-                **convert_enum_args(input_value, _input_arguments)
-            )
-        else:
-            new_args[arg_name] = input_value
-
-    return new_args
-
-
-def enum_value_convertor_middleware(next, root, info, **args):
-    """
-    Compatibility middleware for upgrading to v3:
-
-    Convert enums to their values for mutation inputs, like the behaviour in v2
-    """
-    operation = info.operation.operation
-    if operation == OperationType.MUTATION:
-        input_arguments = info.parent_type.fields[info.field_name].args
-
-        new_args = convert_enum_args(args, input_arguments)
-
-    return next(root, info, **new_args)
diff --git a/graphene/types/tests/test_enum.py b/graphene/types/tests/test_enum.py
index d4bde698..8d5e87af 100644
--- a/graphene/types/tests/test_enum.py
+++ b/graphene/types/tests/test_enum.py
@@ -1,7 +1,5 @@
 from textwrap import dedent
 
-from graphene.compat.middleware import enum_value_convertor_middleware
-
 from ..argument import Argument
 from ..enum import Enum, PyEnum
 from ..field import Field
@@ -473,101 +471,3 @@ def test_mutation_enum_input_type():
     assert result.data == {"createPaint": {"color": "RED"}}
 
     assert color_input_value == RGB.RED
-
-
-def test_mutation_enum_input_compatability_middleware():
-    """Test the `enum_value_convertor_middleware`"""
-
-    class RGB(Enum):
-        """Available colors"""
-
-        RED = 1
-        GREEN = 2
-        BLUE = 3
-
-    color_input = None
-
-    class CreatePaint(Mutation):
-        class Arguments:
-            color = RGB(required=True)
-
-        color = RGB(required=True)
-
-        def mutate(_, info, color):
-            nonlocal color_input
-            color_input = color
-            return CreatePaint(color=color)
-
-    class MyMutation(ObjectType):
-        create_paint = CreatePaint.Field()
-
-    class Query(ObjectType):
-        a = String()
-
-    schema = Schema(query=Query, mutation=MyMutation)
-    result = schema.execute(
-        """ mutation MyMutation {
-        createPaint(color: RED) {
-            color
-        }
-    }
-    """,
-        middleware=[enum_value_convertor_middleware],
-    )
-    assert not result.errors
-    assert result.data == {"createPaint": {"color": "RED"}}
-
-    assert color_input == 1
-    assert type(color_input) == int
-
-
-def test_mutation_enum_input_compatability_middleware_input_type():
-    """Test the `enum_value_convertor_middleware`"""
-
-    class RGB(Enum):
-        """Available colors"""
-
-        RED = 1
-        GREEN = 2
-        BLUE = 3
-
-    class SecondColorInput(InputObjectType):
-        color = RGB(required=True)
-
-    class ColorInput(InputObjectType):
-        color_input = SecondColorInput(required=True)
-
-    color_input_value = None
-
-    class CreatePaint(Mutation):
-        class Arguments:
-            color_input = ColorInput(required=True)
-
-        color = RGB(required=True)
-
-        def mutate(_, info, color_input):
-            nonlocal color_input_value
-            color_input_value = color_input.color_input.color
-            return CreatePaint(color=color_input_value)
-
-    class MyMutation(ObjectType):
-        create_paint = CreatePaint.Field()
-
-    class Query(ObjectType):
-        a = String()
-
-    schema = Schema(query=Query, mutation=MyMutation)
-    result = schema.execute(
-        """ mutation MyMutation {
-        createPaint(colorInput: { colorInput: { color: RED } }) {
-            color
-        }
-    }
-    """,
-        middleware=[enum_value_convertor_middleware],
-    )
-    assert not result.errors
-    assert result.data == {"createPaint": {"color": "RED"}}
-
-    assert color_input_value == 1
-    assert type(color_input_value) == int