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      1 /**
      2  * Copyright (c) 2008, http://www.snakeyaml.org
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *     http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package org.yaml.snakeyaml.generics;
     17 
     18 import java.beans.IntrospectionException;
     19 
     20 import junit.framework.TestCase;
     21 
     22 import org.yaml.snakeyaml.Yaml;
     23 
     24 public class BirdTest extends TestCase {
     25 
     26     public void testHome() throws IntrospectionException {
     27         Bird bird = new Bird();
     28         bird.setName("Eagle");
     29         Nest home = new Nest();
     30         home = new Nest();
     31         home.setHeight(3);
     32         bird.setHome(home);
     33         Yaml yaml = new Yaml();
     34         String output = yaml.dumpAsMap(bird);
     35         Bird parsed;
     36         String javaVendor = System.getProperty("java.vm.name");
     37         Yaml loader = new Yaml();
     38         if (GenericsBugDetector.isProperIntrospection()) {
     39             // no global tags
     40             System.out.println("java.vm.name: " + javaVendor);
     41             assertEquals("no global tags must be emitted.", "home:\n  height: 3\nname: Eagle\n",
     42                     output);
     43             parsed = loader.loadAs(output, Bird.class);
     44 
     45         } else {
     46             // with global tags
     47             System.out
     48                     .println("JDK requires global tags for JavaBean properties with Java Generics. java.vm.name: "
     49                             + javaVendor);
     50             assertEquals("global tags are inevitable here.",
     51                     "home: !!org.yaml.snakeyaml.generics.Nest\n  height: 3\nname: Eagle\n", output);
     52             parsed = loader.loadAs(output, Bird.class);
     53         }
     54         assertEquals(bird.getName(), parsed.getName());
     55         assertEquals(bird.getHome().getHeight(), parsed.getHome().getHeight());
     56     }
     57 }
     58