/**
* HierarchyUtilsTest.java - hierarchy - 2007 Sep 11, 2007 2:10:03 PM - azeckoski
*/
package org.sakaiproject.hierarchy.test;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.sakaiproject.hierarchy.model.HierarchyNode;
import org.sakaiproject.hierarchy.test.data.TestDataPreload;
import org.sakaiproject.hierarchy.utils.HierarchyUtils;
import junit.framework.TestCase;
/**
* testing the static utils
*
* @author Aaron Zeckoski (aaron@caret.cam.ac.uk)
*/
public class HierarchyUtilsTest extends TestCase {
private TestDataPreload tdp;
/* (non-Javadoc)
* @see junit.framework.TestCase#setUp()
*/
protected void setUp() throws Exception {
tdp = new TestDataPreload();
}
/**
* Test method for {@link org.sakaiproject.hierarchy.utils.HierarchyUtils#getSortedNodes(java.util.Collection)}.
*/
public void testGetSortedNodes() {
List<HierarchyNode> l = null;
Set<HierarchyNode> nodes = new HashSet<HierarchyNode>();
nodes.clear();
nodes.add(tdp.node7);
nodes.add(tdp.node4);
nodes.add(tdp.node1);
l = HierarchyUtils.getSortedNodes(nodes);
assertNotNull(l);
assertEquals(3, l.size());
assertEquals(tdp.node1, l.get(0));
assertEquals(tdp.node4, l.get(1));
assertEquals(tdp.node7, l.get(2));
nodes.clear();
nodes.add(tdp.node4);
nodes.add(tdp.node8);
nodes.add(tdp.node1);
l = HierarchyUtils.getSortedNodes(nodes);
assertNotNull(l);
assertEquals(3, l.size());
assertEquals(tdp.node1, l.get(0));
assertEquals(tdp.node4, l.get(1));
assertEquals(tdp.node8, l.get(2));
nodes.clear();
nodes.add(tdp.node1);
nodes.add(tdp.node3);
nodes.add(tdp.node5);
l = HierarchyUtils.getSortedNodes(nodes);
assertNotNull(l);
assertEquals(3, l.size());
assertEquals(tdp.node1, l.get(0));
assertEquals(tdp.node3, l.get(1));
assertEquals(tdp.node5, l.get(2));
nodes.clear();
nodes.add(tdp.node2);
nodes.add(tdp.node1);
l = HierarchyUtils.getSortedNodes(nodes);
assertNotNull(l);
assertEquals(2, l.size());
assertEquals(tdp.node1, l.get(0));
assertEquals(tdp.node2, l.get(1));
nodes.clear();
l = HierarchyUtils.getSortedNodes(nodes);
assertNotNull(l);
assertEquals(0, l.size());
}
}