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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.collections;
18  
19  import java.util.ArrayList;
20  import java.util.List;
21  
22  import junit.framework.TestCase;
23  
24  import org.yaml.snakeyaml.Util;
25  import org.yaml.snakeyaml.Yaml;
26  
27  /**
28   * Test ListBean->List<Developer> developers <br/>
29   * Developer class must be properly recognised
30   */
31  public class TypeSafeListTest extends TestCase {
32      public void testDumpList() {
33          ListBean1 bean = new ListBean1();
34          List<String> list = new ArrayList<String>();
35          list.add("aaa");
36          list.add("bbb");
37          bean.setChildren(list);
38          List<Developer> developers = new ArrayList<Developer>();
39          developers.add(new Developer("Fred", "creator"));
40          developers.add(new Developer("John", "committer"));
41          bean.setDevelopers(developers);
42          Yaml yaml = new Yaml();
43          String output = yaml.dumpAsMap(bean);
44          // System.out.println(output);
45          String etalon = Util.getLocalResource("examples/list-bean-1.yaml");
46          assertEquals(etalon, output);
47      }
48  
49      public void testLoadList() {
50          String output = Util.getLocalResource("examples/list-bean-1.yaml");
51          // System.out.println(output);
52          Yaml beanLoader = new Yaml();
53          ListBean1 parsed = beanLoader.loadAs(output, ListBean1.class);
54          assertNotNull(parsed);
55          List<String> list2 = parsed.getChildren();
56          assertEquals(2, list2.size());
57          assertEquals("aaa", list2.get(0));
58          assertEquals("bbb", list2.get(1));
59          List<Developer> developers = parsed.getDevelopers();
60          assertEquals(2, developers.size());
61          assertEquals("Developer must be recognised.", Developer.class, developers.get(0).getClass());
62          Developer fred = developers.get(0);
63          assertEquals("Fred", fred.getName());
64          assertEquals("creator", fred.getRole());
65      }
66  
67      public static class ListBean1 {
68          private List<String> children;
69          private String name;
70          private List<Developer> developers;
71  
72          public ListBean1() {
73              name = "Bean123";
74          }
75  
76          public List<String> getChildren() {
77              return children;
78          }
79  
80          public void setChildren(List<String> children) {
81              this.children = children;
82          }
83  
84          public String getName() {
85              return name;
86          }
87  
88          public void setName(String name) {
89              this.name = name;
90          }
91  
92          public List<Developer> getDevelopers() {
93              return developers;
94          }
95  
96          public void setDevelopers(List<Developer> developers) {
97              this.developers = developers;
98          }
99      }
100 
101     public static class Developer {
102         private String name;
103         private String role;
104 
105         public Developer() {
106         }
107 
108         public Developer(String name, String role) {
109             this.name = name;
110             this.role = role;
111         }
112 
113         public String getName() {
114             return name;
115         }
116 
117         public void setName(String name) {
118             this.name = name;
119         }
120 
121         public String getRole() {
122             return role;
123         }
124 
125         public void setRole(String role) {
126             this.role = role;
127         }
128     }
129 }