src/test/java/org/yaml/snakeyaml/generics/BirdTest.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57

/**
 * Copyright (c) 2008, http://www.snakeyaml.org
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.yaml.snakeyaml.generics;

import java.beans.IntrospectionException;

import junit.framework.TestCase;

import org.yaml.snakeyaml.Yaml;

public class BirdTest extends TestCase {

    public void testHome() throws IntrospectionException {
        Bird bird = new Bird();
        bird.setName("Eagle");
        Nest home = new Nest();
        home = new Nest();
        home.setHeight(3);
        bird.setHome(home);
        Yaml yaml = new Yaml();
        String output = yaml.dumpAsMap(bird);
        Bird parsed;
        String javaVendor = System.getProperty("java.vm.name");
        Yaml loader = new Yaml();
        if (GenericsBugDetector.isProperIntrospection()) {
            // no global tags
            System.out.println("java.vm.name: " + javaVendor);
            assertEquals("no global tags must be emitted.", "home:\n  height: 3\nname: Eagle\n",
                    output);
            parsed = loader.loadAs(output, Bird.class);

        } else {
            // with global tags
            System.out
                    .println("JDK requires global tags for JavaBean properties with Java Generics. java.vm.name: "
                            + javaVendor);
            assertEquals("global tags are inevitable here.",
                    "home: !!org.yaml.snakeyaml.generics.Nest\n  height: 3\nname: Eagle\n", output);
            parsed = loader.loadAs(output, Bird.class);
        }
        assertEquals(bird.getName(), parsed.getName());
        assertEquals(bird.getHome().getHeight(), parsed.getHome().getHeight());
    }
}