class RuboCop::Cop::RSpec::InstanceSpy

def autocorrect(node)
  lambda do |corrector|
    replacement = 'instance_spy'
    corrector.replace(node.loc.selector, replacement)
    double_source_map = node.parent.loc
    as_null_object_range = double_source_map
      .dot
      .join(double_source_map.selector)
    corrector.remove(as_null_object_range)
  end
end