AbstractFilterEventSenderTest.java

package org.sef4j.core.helpers.senders;

import java.util.Arrays;
import java.util.List;
import java.util.function.Predicate;

import org.junit.Assert;
import org.junit.Test;
import org.sef4j.core.helpers.senders.AbstractFilterEventSender.PredicateFilterEventSender;


public class AbstractFilterEventSenderTest {

	private static class E {
		public final String value;

		public E(String value) {
			this.value = value;
		}
	}
	
	protected Predicate<E> predicate1 = (x) -> x.value.endsWith("1");
	protected InMemoryEventSender<E> targetEventSender = new InMemoryEventSender<E>();
	protected PredicateFilterEventSender<E> sut = new PredicateFilterEventSender<E>(targetEventSender, predicate1);
	
	E e1 = new E("event1");
	E e2 = new E("event2");
	
	@Test
	public void testSendEvent() {
		// Prepare
		// Perform
		sut.sendEvent(e1);
		// Post-check
		List<E> filteredEvents = targetEventSender.clearAndGet();
		Assert.assertEquals(1, filteredEvents.size());
		Assert.assertSame(e1, filteredEvents.get(0));

		// Perform
		sut.sendEvent(e2);
		// Post-check
		filteredEvents = targetEventSender.clearAndGet();
		Assert.assertEquals(0, filteredEvents.size());
	}

	@Test
	public void testSendEvents() {
		// Prepare
		// Perform
		sut.sendEvents(Arrays.asList(e1, e2, e1, e2));
		// Post-check
		List<E> filteredEvents = targetEventSender.clearAndGet();
		Assert.assertEquals(2, filteredEvents.size());
		Assert.assertSame(e1, filteredEvents.get(0));
		Assert.assertSame(e1, filteredEvents.get(1));
	}
	
}