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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 examples.staticstate;
18  
19  import junit.framework.TestCase;
20  
21  import org.yaml.snakeyaml.TypeDescription;
22  import org.yaml.snakeyaml.Yaml;
23  import org.yaml.snakeyaml.constructor.Constructor;
24  import org.yaml.snakeyaml.nodes.Tag;
25  import org.yaml.snakeyaml.representer.Representer;
26  
27  /**
28   * Example: using wrapper object for static fields
29   */
30  public class StaticFieldsWrapperTest extends TestCase {
31  
32      /**
33       * use wrapper with global tag
34       */
35      public void testWrapper() {
36          JavaBeanWithStaticState bean = new JavaBeanWithStaticState();
37          bean.setName("Bahrack");
38          bean.setAge(-47);
39          JavaBeanWithStaticState.setType("Type3");
40          JavaBeanWithStaticState.color = "Violet";
41          Yaml yaml = new Yaml();
42          String output = yaml.dump(new Wrapper(bean));
43          // System.out.println(output);
44          assertEquals(
45                  "!!examples.staticstate.Wrapper {age: -47, color: Violet, name: Bahrack, type: Type3}\n",
46                  output);
47          // parse back to instance
48          Wrapper wrapper = (Wrapper) yaml.load(output);
49          JavaBeanWithStaticState bean2 = wrapper.createBean();
50          assertEquals(-47, bean2.getAge());
51          assertEquals("Bahrack", bean2.getName());
52      }
53  
54      /**
55       * use wrapper with local tag
56       */
57      public void testLocalTag() {
58          JavaBeanWithStaticState bean = new JavaBeanWithStaticState();
59          bean.setName("Bahrack");
60          bean.setAge(-47);
61          JavaBeanWithStaticState.setType("Type3");
62          JavaBeanWithStaticState.color = "Violet";
63          Representer repr = new Representer();
64          repr.addClassTag(Wrapper.class, new Tag("!mybean"));
65          Yaml yaml = new Yaml(repr);
66          String output = yaml.dump(new Wrapper(bean));
67          // System.out.println(output);
68          assertEquals("!mybean {age: -47, color: Violet, name: Bahrack, type: Type3}\n", output);
69          // parse back to instance
70          Constructor constr = new Constructor();
71          TypeDescription description = new TypeDescription(Wrapper.class, new Tag("!mybean"));
72          constr.addTypeDescription(description);
73          yaml = new Yaml(constr);
74          Wrapper wrapper = (Wrapper) yaml.load(output);
75          JavaBeanWithStaticState bean2 = wrapper.createBean();
76          assertEquals(-47, bean2.getAge());
77          assertEquals("Bahrack", bean2.getName());
78      }
79  
80      /**
81       * use wrapper with no tag
82       */
83      public void testRootBean() {
84          JavaBeanWithStaticState bean = new JavaBeanWithStaticState();
85          bean.setName("Bahrack");
86          bean.setAge(-47);
87          JavaBeanWithStaticState.setType("Type3");
88          JavaBeanWithStaticState.color = "Violet";
89          Yaml yaml = new Yaml();
90          String output = yaml.dumpAsMap(new Wrapper(bean));
91          // System.out.println(output);
92          assertEquals("age: -47\ncolor: Violet\nname: Bahrack\ntype: Type3\n", output);
93          // parse back to instance
94          Yaml loader = new Yaml();
95          Wrapper wrapper = loader.loadAs(output, Wrapper.class);
96          JavaBeanWithStaticState bean2 = wrapper.createBean();
97          assertEquals(-47, bean2.getAge());
98          assertEquals("Bahrack", bean2.getName());
99      }
100 
101 }