package invoice.after;

import java.util.ArrayList;
import java.util.List;

/** Test double (un spy): no envía nada, recuerda lo que le pidieron enviar. */
class SpyChannel implements Channel {

    final List<String> recipients = new ArrayList<>();
    final List<String> texts = new ArrayList<>();

    @Override
    public void send(String recipient, String text) {
        recipients.add(recipient);
        texts.add(text);
    }
}