class RuboCop::Cop::RSpec::InstanceSpy


end
expect(foo).to have_received(:bar)
foo = instance_spy(Foo)
it do
# good
end
expect(foo).to have_received(:bar)
foo = instance_double(Foo).as_null_object
it do
# bad
@example
Checks for ‘instance_double` used with `have_received`.

def autocorrect(corrector, node) 

def autocorrect(corrector, node)
  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

def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler

rubocop:disable InternalAffairs/NumblockHandler 
def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
  return unless example?(node)
  null_double(node) do |var, receiver|
    have_received_usage(node) do |expected|
      next if expected != var
      add_offense(receiver) do |corrector|
        autocorrect(corrector, receiver)
      end
    end
  end
end