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    1   /**
    2    * Copyright (c) 2008-2011, 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
    17  package org.yaml.snakeyaml.generics;
    18
    19  import java.beans.IntrospectionException;
    20
    21  import junit.framework.TestCase;
    22
    23  import org.yaml.snakeyaml.Yaml;
    24
    25  public class BirdTest extends TestCase {
    26
    27      public void testHome() throws IntrospectionException {
    28          Bird bird = new Bird();
    29          bird.setName("Eagle");
    30          Nest home = new Nest();
    31          home = new Nest();
    32          home.setHeight(3);
    33          bird.setHome(home);
    34          Yaml yaml = new Yaml();
    35          String output = yaml.dumpAsMap(bird);
    36          Bird parsed;
    37          String javaVendor = System.getProperty("java.vm.name");
    38          Yaml loader = new Yaml();
    39          if (GenericsBugDetector.isProperIntrospection()) {
    40              // no global tags
    41              System.out.println("java.vm.name: " + javaVendor);
    42              assertEquals("no global tags must be emitted.", "home:\n  height: 3\nname: Eagle\n",
    43                      output);
    44              parsed = loader.loadAs(output, Bird.class);
    45
    46          } else {
    47              // with global tags
    48              System.out
    49                      .println("JDK requires global tags for JavaBean properties with Java Generics. java.vm.name: "
    50                              + javaVendor);
    51              assertEquals("global tags are inevitable here.",
    52                      "home: !!org.yaml.snakeyaml.generics.Nest\n  height: 3\nname: Eagle\n", output);
    53              parsed = loader.loadAs(output, Bird.class);
    54          }
    55          assertEquals(bird.getName(), parsed.getName());
    56          assertEquals(bird.getHome().getHeight(), parsed.getHome().getHeight());
    57      }
    58  }