package org.sef4j.core.helpers.senders.multiplexer;

import java.util.Arrays;
import java.util.List;

import org.junit.Assert;
import org.junit.Test;
import org.sef4j.core.api.EventSender;
import org.sef4j.core.helpers.senders.InMemoryEventSender;


public class DefaultWrapperMultiplexerEventSenderTest {

	protected static class E {}
	private static final String KEY1 = "key1";
	private static final String KEY2 = "key2";
	protected E e1 = new E();
	protected E e2 = new E();
	
	protected InMemoryEventSender<MultiplexedEvent<String,E>> targetSender = new InMemoryEventSender<MultiplexedEvent<String,E>>();
	protected DefaultWrapperMultiplexerEventSender<String,E> sut = new DefaultWrapperMultiplexerEventSender<String,E>(targetSender);
	
	
	@Test
	public void testMultiplexSendEvent() {
		// Prepare
		// Perform
		sut.multiplexSendEvent(KEY1, e1);
		sut.multiplexSendEvent(KEY2, e2);
		// Post-check
		List<MultiplexedEvent<String, E>> res = targetSender.clearAndGet();
		Assert.assertEquals(2, res.size());
		MultiplexedEvent<String, E> res0 = res.get(0);
		Assert.assertEquals(KEY1, res0.getKey());
		Assert.assertSame(e1, res0.getWrappedEvent());
		
		MultiplexedEvent<String, E> res1 = res.get(1);
		Assert.assertEquals(KEY2, res1.getKey());
		Assert.assertSame(e2, res1.getWrappedEvent());
	}

	@Test
	public void testMultiplexSendEvents() {
		// Prepare
		// Perform
		sut.multiplexSendEvents(KEY1, Arrays.asList(new E[] { e1, e2 }));
		// Post-check
		List<MultiplexedEvent<String, E>> res = targetSender.clearAndGet();
		Assert.assertEquals(2, res.size());
		MultiplexedEvent<String, E> res0 = res.get(0);
		Assert.assertEquals(KEY1, res0.getKey());
		Assert.assertSame(e1, res0.getWrappedEvent());
		
		MultiplexedEvent<String, E> res1 = res.get(1);
		Assert.assertEquals(KEY1, res1.getKey());
		Assert.assertSame(e2, res1.getWrappedEvent());
	}
	
	@Test
	public void testEventSenderFor_sendEvent() {
		// Prepare
		EventSender<E> senderForKey1 = sut.eventSenderFor(KEY1);
		// Perform
		senderForKey1.sendEvent(e1);
		// Post-check
		List<MultiplexedEvent<String, E>> res = targetSender.clearAndGet();
		Assert.assertEquals(1, res.size());
		MultiplexedEvent<String, E> res0 = res.get(0);
		Assert.assertEquals(KEY1, res0.getKey());
		Assert.assertSame(e1, res0.getWrappedEvent());
	}
	
}