RSpec.describe Message::InvalidTarget do let(:message_type) { Message::InvalidTarget::TYPE_CODE } let(:string) { message_type } describe '.new' do it 'should reuse the same singleton object' do expect(Message::InvalidTarget.new.object_id).to eq \ Message::InvalidTarget.new.object_id end end describe '.parse' do it 'should parse correctly' do message = Message::InvalidTarget.parse string expect(message).to be_a Message::InvalidTarget end end describe '#to_s' do it 'should serialize correctly' do serialized = Message::InvalidTarget.new.to_s expect(serialized).to eq string end end end