package org.yaml.snakeyaml.generics; | |
import junit.framework.TestCase; | |
import org.yaml.snakeyaml.DumperOptions; | |
import org.yaml.snakeyaml.JavaBeanParser; | |
import org.yaml.snakeyaml.Yaml; | |
public class BirdTest extends TestCase { | |
public void testHome() { | |
Bird bird = new Bird(); | |
bird.setName("Eagle"); | |
Nest home = new Nest(); | |
home = new Nest(); | |
home.setHeight(3); | |
bird.setHome(home); | |
DumperOptions options = new DumperOptions(); | |
options.setExplicitRoot("tag:yaml.org,2002:map"); | |
Yaml yaml = new Yaml(options); | |
String output = yaml.dump(bird); | |
System.out.println(output); | |
// no global tags must be emitted. | |
assertEquals("home: !!org.yaml.snakeyaml.generics.Nest {height: 3}\nname: Eagle\n", output); | |
Bird parsed = JavaBeanParser.load( | |
"home: !!org.yaml.snakeyaml.generics.Nest {height: 3}\nname: Eagle", Bird.class); | |
assertEquals(bird.getName(), parsed.getName()); | |
assertEquals(bird.getHome().getHeight(), parsed.getHome().getHeight()); | |
// the following line fails. The problem is that even though the runtime | |
// is aware that the class of 'home' is Nest it sets 'Object.class' | |
// as the class for the 'home' property (see | |
// PropertyDescriptor.getPropertyType()). | |
// The implementation of Java Generics leaves much to be desired. | |
// JavaBeanParser.load("home: {height: 3}\nname: Eagle", Bird.class); | |
} | |
} |