TestUtils.java

package uk.co.acuminous.julez.test;

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

import uk.co.acuminous.julez.event.Event;

public class TestUtils {
	public static int countEvents(Iterable<Event> events) {
		int ret = 0;
		for (@SuppressWarnings("unused") Event event : events) {
			++ret;
		}
		
		return ret;
	}

	public static boolean checkEvents(List<Event> expected, Iterable<Event> repo) {
		Iterator<Event> actual = repo.iterator();
		for (Event event : expected) {
			if (!actual.hasNext()) return false;
			if (!event.equals(actual.next())) return false;
		}
		return !actual.hasNext();
	}

	public static boolean checkEvents(Event[] expected, Iterable<Event> repo) {
		return checkEvents(Arrays.asList(expected), repo);
	}
	
	public static Event getEvent(Iterable<Event> repo, int i) {
    	int sofar = 0;
    	for (Event event : repo) {
    		if (sofar == i) return event;
    		++sofar;
    	}
        return null;
	}
	
	public static Event first(Iterable<Event> repo) {
		return repo.iterator().next();
	}
}