Fix missing require; update typestack spec

Author: rmosolgo

lib/graphql/static_validation.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 require "graphql/static_validation/message"
 require "graphql/static_validation/definition_dependencies"
+require "graphql/static_validation/type_stack"
 require "graphql/static_validation/validator"
 require "graphql/static_validation/validation_context"
 require "graphql/static_validation/literal_validator"

spec/graphql/static_validation/type_stack_spec.rb

@@ -1,19 +1,6 @@
 # frozen_string_literal: true
 require "spec_helper"
 
-class TypeCheckValidator
-  def self.checks
-    @checks ||= []
-  end
-
-  def validate(context)
-    self.class.checks.clear
-    context.visitor[GraphQL::Language::Nodes::Field] << ->(node, parent) {
-      self.class.checks << context.object_types.map {|t| t.name || t.kind.name }
-    }
-  end
-end
-
 describe GraphQL::StaticValidation::TypeStack do
   let(:query_string) {%|
     query getCheese {
@@ -22,17 +9,21 @@ def validate(context)
     fragment edibleFields on Edible { fatContent @skip(if: false)}
   |}
 
-  let(:validator) { GraphQL::StaticValidation::Validator.new(schema: Dummy::Schema, rules: [TypeCheckValidator]) }
-  let(:query) { GraphQL::Query.new(Dummy::Schema, query_string) }
-
-
   it "stores up types" do
-    validator.validate(query)
+    document = GraphQL.parse(query_string)
+    visitor = GraphQL::Language::Visitor.new(document)
+    type_stack = GraphQL::StaticValidation::TypeStack.new(Dummy::Schema, visitor)
+    checks = []
+    visitor[GraphQL::Language::Nodes::Field].enter << ->(node, parent) {
+      checks << type_stack.object_types.map {|t| t.name || t.kind.name }
+    }
+    visitor.visit
+
     expected = [
       ["Query", "Cheese"],
       ["Query", "Cheese", "NON_NULL"],
       ["Edible", "NON_NULL"]
     ]
-    assert_equal(expected, TypeCheckValidator.checks)
+    assert_equal(expected, checks)
   end
 end