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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 examples.staticstate;
17  
18  import junit.framework.TestCase;
19  
20  import org.yaml.snakeyaml.TypeDescription;
21  import org.yaml.snakeyaml.Yaml;
22  import org.yaml.snakeyaml.constructor.Constructor;
23  import org.yaml.snakeyaml.nodes.Tag;
24  import org.yaml.snakeyaml.representer.Representer;
25  
26  /**
27   * Example: using wrapper object for static fields
28   */
29  public class StaticFieldsWrapperTest extends TestCase {
30  
31      /**
32       * use wrapper with global tag
33       */
34      public void testWrapper() {
35          JavaBeanWithStaticState bean = new JavaBeanWithStaticState();
36          bean.setName("Bahrack");
37          bean.setAge(-47);
38          JavaBeanWithStaticState.setType("Type3");
39          JavaBeanWithStaticState.color = "Violet";
40          Yaml yaml = new Yaml();
41          String output = yaml.dump(new Wrapper(bean));
42          // System.out.println(output);
43          assertEquals(
44                  "!!examples.staticstate.Wrapper {age: -47, color: Violet, name: Bahrack, type: Type3}\n",
45                  output);
46          // parse back to instance
47          Wrapper wrapper = (Wrapper) yaml.load(output);
48          JavaBeanWithStaticState bean2 = wrapper.createBean();
49          assertEquals(-47, bean2.getAge());
50          assertEquals("Bahrack", bean2.getName());
51      }
52  
53      /**
54       * use wrapper with local tag
55       */
56      public void testLocalTag() {
57          JavaBeanWithStaticState bean = new JavaBeanWithStaticState();
58          bean.setName("Bahrack");
59          bean.setAge(-47);
60          JavaBeanWithStaticState.setType("Type3");
61          JavaBeanWithStaticState.color = "Violet";
62          Representer repr = new Representer();
63          repr.addClassTag(Wrapper.class, new Tag("!mybean"));
64          Yaml yaml = new Yaml(repr);
65          String output = yaml.dump(new Wrapper(bean));
66          // System.out.println(output);
67          assertEquals("!mybean {age: -47, color: Violet, name: Bahrack, type: Type3}\n", output);
68          // parse back to instance
69          Constructor constr = new Constructor();
70          TypeDescription description = new TypeDescription(Wrapper.class, new Tag("!mybean"));
71          constr.addTypeDescription(description);
72          yaml = new Yaml(constr);
73          Wrapper wrapper = (Wrapper) yaml.load(output);
74          JavaBeanWithStaticState bean2 = wrapper.createBean();
75          assertEquals(-47, bean2.getAge());
76          assertEquals("Bahrack", bean2.getName());
77      }
78  
79      /**
80       * use wrapper with no tag
81       */
82      public void testRootBean() {
83          JavaBeanWithStaticState bean = new JavaBeanWithStaticState();
84          bean.setName("Bahrack");
85          bean.setAge(-47);
86          JavaBeanWithStaticState.setType("Type3");
87          JavaBeanWithStaticState.color = "Violet";
88          Yaml yaml = new Yaml();
89          String output = yaml.dumpAsMap(new Wrapper(bean));
90          // System.out.println(output);
91          assertEquals("age: -47\ncolor: Violet\nname: Bahrack\ntype: Type3\n", output);
92          // parse back to instance
93          Yaml loader = new Yaml();
94          Wrapper wrapper = loader.loadAs(output, Wrapper.class);
95          JavaBeanWithStaticState bean2 = wrapper.createBean();
96          assertEquals(-47, bean2.getAge());
97          assertEquals("Bahrack", bean2.getName());
98      }
99  
100 }