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package org.apache.cayenne.query;
import org.apache.cayenne.util.Util;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
public class PrefetchTreeNodeTest {
@Test
public void testAddPath() {
PrefetchTreeNode tree = new PrefetchTreeNode();
tree.addPath("abc");
tree.addPath("abc.def.mnk");
tree.addPath("xyz");
assertTrue(tree.isPhantom());
PrefetchTreeNode n1 = tree.getNode("abc");
assertNotNull(n1);
assertTrue(n1.isPhantom());
assertEquals("abc", n1.getName());
PrefetchTreeNode n2 = tree.getNode("abc.def");
assertNotNull(n2);
assertTrue(n2.isPhantom());
assertEquals("def", n2.getName());
PrefetchTreeNode n3 = tree.getNode("abc.def.mnk");
assertNotNull(n3);
assertTrue(n3.isPhantom());
assertEquals("mnk", n3.getName());
PrefetchTreeNode n4 = tree.getNode("xyz");
assertNotNull(n4);
assertTrue(n4.isPhantom());
assertEquals("xyz", n4.getName());
}
@Test
public void testGetPath() {
PrefetchTreeNode tree = new PrefetchTreeNode();
tree.addPath("abc");
tree.addPath("abc.def.mnk");
tree.addPath("xyz");
assertEquals("", tree.getPath());
PrefetchTreeNode n1 = tree.getNode("abc");
assertEquals("abc", n1.getPath());
PrefetchTreeNode n2 = tree.getNode("abc.def");
assertEquals("abc.def", n2.getPath());
PrefetchTreeNode n3 = tree.getNode("abc.def.mnk");
assertEquals("abc.def.mnk", n3.getPath());
PrefetchTreeNode n4 = tree.getNode("xyz");
assertEquals("xyz", n4.getPath());
}
@Test
public void testTreeSerialization() throws Exception {
PrefetchTreeNode n1 = new PrefetchTreeNode();
PrefetchTreeNode n2 = n1.addPath("abc");
PrefetchTreeNode nc1 = (PrefetchTreeNode) Util.cloneViaSerialization(n1);
assertNotNull(nc1);
PrefetchTreeNode nc2 = nc1.getNode("abc");
assertNotNull(nc2);
assertNotSame(nc2, n2);
assertSame(nc1, nc2.getParent());
assertEquals("abc", nc2.getName());
}
@Test
public void testSubtreeSerialization() throws Exception {
PrefetchTreeNode n1 = new PrefetchTreeNode();
PrefetchTreeNode n2 = n1.addPath("abc");
PrefetchTreeNode n3 = n2.addPath("xyz");
// test that substree was serialized as independent tree, instead of sucking
PrefetchTreeNode nc2 = (PrefetchTreeNode) Util.cloneViaSerialization(n2);
assertNotNull(nc2);
assertNull(nc2.getParent());
PrefetchTreeNode nc3 = nc2.getNode("xyz");
assertNotNull(nc3);
assertNotSame(nc3, n3);
assertSame(nc2, nc3.getParent());
assertEquals("xyz", nc3.getName());
}
@Test
public void testCloneJointSubtree() throws Exception {
PrefetchTreeNode root = new PrefetchTreeNode(null, "root");
root.setPhantom(false);
PrefetchTreeNode joint1 = root.addPath("joint1");
joint1.setPhantom(false);
joint1.setSemantics(PrefetchTreeNode.JOINT_PREFETCH_SEMANTICS);
PrefetchTreeNode joint2 = root.addPath("joint2");
joint2.setPhantom(false);
joint2.setSemantics(PrefetchTreeNode.JOINT_PREFETCH_SEMANTICS);
PrefetchTreeNode disjoint = joint1.addPath("disjoint1");
disjoint.setPhantom(false);
disjoint.setSemantics(PrefetchTreeNode.DISJOINT_PREFETCH_SEMANTICS);
PrefetchTreeNode cloned = root.cloneJointSubtree();
assertEquals("root", cloned.getName());
assertEquals(2, cloned.getChildren().size());
PrefetchTreeNode joint1Clone = cloned.getChild("joint1");
assertNotNull(joint1Clone);
assertEquals("joint1", joint1.getPath());
assertEquals(0, joint1Clone.getChildren().size());
PrefetchTreeNode joint2Clone = cloned.getChild("joint2");
assertNotNull(joint2Clone);
assertEquals("joint2", joint2.getPath());
assertEquals(0, joint2Clone.getChildren().size());
}
}