ValueCountListImplTest.java example

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/**
 * AnalyzerBeans
 * Copyright (C) 2014 Neopost - Customer Information Management
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.eobjects.analyzer.beans.valuedist;

import junit.framework.TestCase;

import org.eobjects.analyzer.result.SingleValueFrequency;
import org.eobjects.analyzer.result.ValueCountListImpl;

public class ValueCountListImplTest extends TestCase {

	public void testTopList() throws Exception {
		ValueCountListImpl list = ValueCountListImpl.createTopList(5);

		list.register(new SingleValueFrequency("1", 1));
		list.register(new SingleValueFrequency("2", 2));

		assertEquals("[[2->2], [1->1]]", list.getValueCounts().toString());

		assertEquals(2, list.getActualSize());

		list.register(new SingleValueFrequency("3", 3));
		list.register(new SingleValueFrequency("4", 4));
		list.register(new SingleValueFrequency("5", 5));

		assertEquals(5, list.getActualSize());

		list.register(new SingleValueFrequency("6", 6));

		assertEquals(5, list.getActualSize());
		assertEquals("[[6->6], [5->5], [4->4], [3->3], [2->2]]", list
				.getValueCounts().toString());

		list.register(new SingleValueFrequency("10", 10));
		list.register(new SingleValueFrequency("8", 8));

		assertEquals("[[10->10], [8->8], [6->6], [5->5], [4->4]]", list
				.getValueCounts().toString());
	}

	public void testBottomList() throws Exception {
		ValueCountListImpl list = ValueCountListImpl.createBottomList(5);

		list.register(new SingleValueFrequency("40", 40));
		list.register(new SingleValueFrequency("30", 30));
		list.register(new SingleValueFrequency("50", 50));

		assertEquals(3, list.getActualSize());
		assertEquals("[[30->30], [40->40], [50->50]]", list.getValueCounts()
				.toString());

		list.register(new SingleValueFrequency("45", 45));

		list.register(new SingleValueFrequency("1", 1));
		list.register(new SingleValueFrequency("15", 15));

		assertEquals(5, list.getActualSize());
		assertEquals("[[1->1], [15->15], [30->30], [40->40], [45->45]]", list
				.getValueCounts().toString());
	}
}