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1   /**
2    * Copyright (c) 2008-2012, 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  }