/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.resourcePlugin.ordering;
import static java.util.Arrays.asList;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.richfaces.resource.optimizer.ordering.IllegalPartialOrderingException;
import org.richfaces.resource.optimizer.ordering.PartialOrderToCompleteOrder;
import com.google.common.collect.Ordering;
/**
* @author <a href="http://community.jboss.org/people/lfryc">Lukas Fryc</a>
*/
public class PartialOrderToCompleteOrderTest {
private static PartialOrderToCompleteOrder<Integer> order;
@Before
public void initialOrder() {
order = new PartialOrderToCompleteOrder<Integer>();
}
@Test
public void testNone() {
Assert.assertEquals(asList(), order.getCompletelyOrderedItems());
}
@Test
public void testSingle() {
order.addPartialOrdering(asList(1));
Assert.assertEquals(asList(1), order.getCompletelyOrderedItems());
}
@Test
public void testBasic() {
order.addPartialOrdering(asList(1, 2, 3));
Assert.assertEquals(asList(1, 2, 3), order.getCompletelyOrderedItems());
}
@Test(expected = IllegalPartialOrderingException.class)
public void testWrong() {
order.addPartialOrdering(asList(1, 2, 3));
order.addPartialOrdering(asList(1, 3, 2));
}
@Test
public void testComplex() {
order.addPartialOrdering(asList(2, 3));
order.addPartialOrdering(asList(3));
order.addPartialOrdering(asList(2, 3));
order.addPartialOrdering(asList(1, 3, 4));
order.addPartialOrdering(asList(1, 4));
order.addPartialOrdering(asList(2, 4));
order.addPartialOrdering(asList(1, 2, 3, 4));
order.addPartialOrdering(asList(1, 2, 3, 4));
Assert.assertEquals(asList(1, 2, 3, 4), order.getCompletelyOrderedItems());
}
@Test
public void testCustomOrderingWithMissingValue() {
order.addPartialOrdering(asList(1, 2, 4, 5));
Assert.assertEquals(asList(1, 2, 4, 5), order.getCompletelyOrderedItems());
Ordering<Integer> completeOrdering = order.getCompleteOrdering();
Assert.assertEquals(asList(2, 4, 3), completeOrdering.sortedCopy(asList(4, 2, 3)));
}
@Test
public void testSortingCopy() {
order.addPartialOrdering(asList(1, 9));
order.addPartialOrdering(asList(3));
order.addPartialOrdering(asList(6));
order.addPartialOrdering(asList(8));
order.addPartialOrdering(asList(2));
order.addPartialOrdering(asList(4));
order.addPartialOrdering(asList(7));
Assert.assertEquals(asList(1, 3, 6, 8, 2, 4, 7, 9), order.getCompletelyOrderedItems());
Ordering<Integer> completeOrdering = order.getCompleteOrdering();
Assert.assertEquals(asList(1, 3, 6, 8, 2, 4, 7, 9, 5), completeOrdering.sortedCopy(asList(5, 6, 7, 8, 9, 1, 2, 3, 4)));
}
@Test
public void testSortingCopyComplex() {
order.addPartialOrdering(asList(2, 3, 8));
order.addPartialOrdering(asList(1, 2, 5));
order.addPartialOrdering(asList(2, 4, 7, 9));
order.addPartialOrdering(asList(1, 2, 6));
Assert.assertEquals(asList(1, 2, 3, 5, 4, 6, 8, 7, 9), order.getCompletelyOrderedItems());
Ordering<Integer> completeOrdering = order.getCompleteOrdering();
Assert.assertEquals(asList(1, 2, 3, 5, 4, 6, 8, 7, 9), completeOrdering.sortedCopy(asList(2, 8, 9, 3, 1, 4, 6, 5, 7)));
}
@Test
public void testRealWorldUseCase() {
order.addPartialOrdering(asList(1, 2, 3, 5, 6, 7, 4, 8));
order.addPartialOrdering(asList(9, 1, 2, 10, 3, 4, 11, 12));
}
}