Merge branch 'refs/heads/features/resolver_tags'

Conflicts:
	tests/core/test_types.py

graphene/core/fields.py

@@ -1,6 +1,6 @@
 import inspect
 import six
-from functools import total_ordering
+from functools import total_ordering, wraps
 from graphql.core.type import (
     GraphQLField,
     GraphQLList,
@@ -49,12 +49,26 @@ class Field(object):
         cls._meta.add_field(self)
 
     def resolve(self, instance, args, info):
-        if self.resolve_fn:
-            resolve_fn = self.resolve_fn
+        resolve_fn = self.get_resolve_fn()
+        if resolve_fn:
+            return resolve_fn(instance, args, info)
         else:
-            resolve_fn = lambda root, args, info: root.resolve(
-                self.field_name, args, info)
-        return resolve_fn(instance, args, info)
+            return instance.get_field(self.field_name)
+
+    @memoize
+    def get_resolve_fn(self):
+        if self.resolve_fn:
+            return self.resolve_fn
+        else:
+            custom_resolve_fn_name = 'resolve_%s' % self.field_name
+            if hasattr(self.object_type, custom_resolve_fn_name):
+                resolve_fn = getattr(self.object_type, custom_resolve_fn_name)
+
+                @wraps(resolve_fn)
+                def custom_resolve_fn(instance, args, info):
+                    custom_fn = getattr(instance, custom_resolve_fn_name)
+                    return custom_fn(args, info)
+                return custom_resolve_fn
 
     def get_object_type(self, schema):
         field_type = self.field_type
@@ -110,11 +124,18 @@ class Field(object):
         if not internal_type:
             raise Exception("Internal type for field %s is None" % self)
 
+        resolve_fn = self.get_resolve_fn()
+        if resolve_fn:
+            @wraps(resolve_fn)
+            def resolver(*args):
+                return self.resolve(*args)
+        else:
+            resolver = self.resolve
         return GraphQLField(
             internal_type,
             description=self.description,
             args=self.args,
-            resolver=self.resolve,
+            resolver=resolver,
         )
 
     def __str__(self):

graphene/core/types.py

@@ -132,13 +132,6 @@ class BaseObjectType(object):
     def get_field(self, field):
         return getattr(self.instance, field, None)
 
-    def resolve(self, field_name, args, info):
-        custom_resolve_fn = 'resolve_%s' % field_name
-        if hasattr(self, custom_resolve_fn):
-            resolve_fn = getattr(self, custom_resolve_fn)
-            return resolve_fn(args, info)
-        return self.get_field(field_name)
-
     @classmethod
     def resolve_objecttype(cls, schema, instance, *_):
         return instance

tests/core/test_query.py

@@ -46,6 +46,8 @@ schema = object()
 
 Human_type = Human.internal_type(schema)
 
+def test_type():
+    assert Human._meta.fields_map['name'].resolve(Human(object()), 1, 2) == 'Peter'
 
 def test_query():
     schema = GraphQLSchema(query=Human_type)

tests/core/test_types.py

@@ -1,24 +1,24 @@
 from py.test import raises
-from collections import namedtuple
 from pytest import raises
 from graphene.core.fields import (
-    Field,
     IntField,
     StringField,
 )
+from graphql.core.execution.middlewares.utils import (
+    tag_resolver,
+    resolver_has_tag
+)
 from graphql.core.type import (
     GraphQLObjectType,
     GraphQLInterfaceType
 )
 
 from graphene.core.types import (
-    Interface,
-    ObjectType
+    Interface
 )
 
 
 class Character(Interface):
-
     '''Character description'''
     name = StringField()
 
@@ -27,7 +27,6 @@ class Character(Interface):
 
 
 class Human(Character):
-
     '''Human description'''
     friends = StringField()
 
@@ -70,8 +69,22 @@ def test_field_clashes():
     with raises(Exception) as excinfo:
         class Droid(Character):
             name = IntField()
+
     assert 'clashes' in str(excinfo.value)
 
 
 def test_fields_inherited_should_be_different():
     assert Character._meta.fields_map['name'] != Human._meta.fields_map['name']
+
+
+def test_field_mantain_resolver_tags():
+    class Droid(Character):
+        name = StringField()
+
+        def resolve_name(self, *args):
+            return 'My Droid'
+
+        tag_resolver(resolve_name, 'test')
+
+    field = Droid._meta.fields_map['name'].internal_field(schema)
+    assert resolver_has_tag(field.resolver, 'test')