Move str and repr test to the appropriate files

Replicates graphql/graphql-js@2fcd55e

Author: Cito

README.md

@@ -13,7 +13,7 @@ a query language for APIs created by Facebook.
 [![Code Style](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/ambv/black)
 
 The current version 1.0.2 of GraphQL-core-next is up-to-date with GraphQL.js version
-14.1.1. All parts of the API are covered by an extensive test suite of currently 1726
+14.1.1. All parts of the API are covered by an extensive test suite of currently 1728
 unit tests.
 
 

graphql/language/source.py

@@ -48,3 +48,6 @@ def get_location(self, position: int) -> SourceLocation:
             line = 1
             column = 1
         return SourceLocation(line, column)
+
+    def __repr__(self):
+        return f"<{self.__class__.__name__} name={self.name!r}>"

tests/language/test_source.py

@@ -0,0 +1,10 @@
+from graphql.language import Source
+
+
+def describe_source():
+    def can_be_stringified():
+        source = Source("")
+        assert str(source) == "<Source name='GraphQL request'>"
+
+        source = Source("", "Custom source name")
+        assert str(source) == "<Source name='Custom source name'>"

tests/type/test_definition.py

@@ -11,7 +11,6 @@
     GraphQLFieldResolver,
     GraphQLInputField,
     GraphQLInputObjectType,
-    GraphQLInt,
     GraphQLInterfaceType,
     GraphQLList,
     GraphQLNonNull,
@@ -96,21 +95,6 @@ def defines_an_object_type_with_deprecated_field():
         assert deprecated_field.type is GraphQLString
         assert deprecated_field.args == {}
 
-    def stringifies_simple_types():
-        assert str(GraphQLInt) == "Int"
-        assert str(ScalarType) == "Scalar"
-        assert str(ObjectType) == "Object"
-        assert str(InterfaceType) == "Interface"
-        assert str(UnionType) == "Union"
-        assert str(EnumType) == "Enum"
-        assert str(InputObjectType) == "InputObject"
-
-        assert str(NonNullScalarType) == "Scalar!"
-        assert str(ListOfScalarsType) == "[Scalar]"
-        assert str(NonNullListOfScalars) == "[Scalar]!"
-        assert str(ListOfNonNullScalarsType) == "[Scalar!]"
-        assert str(GraphQLList(ListOfScalarsType)) == "[[Scalar]]"
-
     def allows_a_thunk_for_union_member_types():
         union = GraphQLUnionType("ThunkUnion", lambda: [ObjectType])
 
@@ -677,3 +661,26 @@ def rejects_a_non_type_as_nullable_type_of_non_null(type_):
             if isinstance(type_, GraphQLNonNull)
             else f"Can only create a wrapper for a GraphQLType, but got: {type_}."
         )
+
+    def describe_type_system_test_utility_methods():
+        def stringifies_simple_types():
+            assert str(ScalarType) == "Scalar"
+            assert str(ObjectType) == "Object"
+            assert str(InterfaceType) == "Interface"
+            assert str(UnionType) == "Union"
+            assert str(EnumType) == "Enum"
+            assert str(InputObjectType) == "InputObject"
+
+            assert str(NonNullScalarType) == "Scalar!"
+            assert str(ListOfScalarsType) == "[Scalar]"
+            assert str(NonNullListOfScalars) == "[Scalar]!"
+            assert str(ListOfNonNullScalarsType) == "[Scalar!]"
+            assert str(GraphQLList(ListOfScalarsType)) == "[[Scalar]]"
+
+        def simple_types_have_repr():
+            assert repr(ScalarType) == "<GraphQLScalarType(Scalar)>"
+            assert repr(ObjectType) == "<GraphQLObjectType(Object)>"
+            assert repr(InterfaceType) == "<GraphQLInterfaceType(Interface)>"
+            assert repr(UnionType) == "<GraphQLUnionType(Union)>"
+            assert repr(EnumType) == "<GraphQLEnumType(Enum)>"
+            assert repr(InputObjectType) == "<GraphQLInputObjectType(InputObject)>"