class GraphQL::StaticValidation::ArgumentLiteralsAreCompatible

def validate_node(node, defn, context)
  args_with_literals = node.arguments.select {|a| !a.value.is_a?(GraphQL::Language::Nodes::VariableIdentifier)}
  validator = GraphQL::StaticValidation::LiteralValidator.new
  args_with_literals.each do |arg|
    arg_defn = defn.arguments[arg.name]
    valid = validator.validate(arg.value, arg_defn.type)
    if !valid
      context.errors << message("Argument #{arg.name} on #{node.class.name.split("::").last} '#{node.name}' has an invalid value", node)
    end
  end
end