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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.issues.issue95;
18  
19  import java.util.ArrayList;
20  import java.util.HashMap;
21  import java.util.List;
22  import java.util.Map;
23  import java.util.Map.Entry;
24  import java.util.Set;
25  
26  import junit.framework.TestCase;
27  
28  import org.junit.Assert;
29  import org.yaml.snakeyaml.DumperOptions.FlowStyle;
30  import org.yaml.snakeyaml.TypeDescription;
31  import org.yaml.snakeyaml.Yaml;
32  import org.yaml.snakeyaml.constructor.Constructor;
33  import org.yaml.snakeyaml.introspector.BeanAccess;
34  import org.yaml.snakeyaml.nodes.Tag;
35  
36  public class ArrayInGenericCollectionTest extends TestCase {
37  
38      public static class A {
39          private Map<String, String[]> meta = new HashMap<String, String[]>();
40      }
41  
42      public static class B {
43          private List<String[]> meta = new ArrayList<String[]>();
44      }
45  
46      private A createA() {
47          A a = new A();
48          a.meta.put("met1", new String[] { "whatever" });
49          a.meta.put("met2", new String[] { "something", "something else" });
50          return a;
51      }
52  
53      private B createB() {
54          B b = new B();
55          b.meta.add(new String[] { "whatever" });
56          b.meta.add(new String[] { "something", "something else" });
57          return b;
58      }
59  
60      public void testArrayAsMapValue() {
61          Yaml yaml2dump = new Yaml();
62          yaml2dump.setBeanAccess(BeanAccess.FIELD);
63          A data = createA();
64          String dump = yaml2dump.dump(data);
65          // System.out.println(dump);
66  
67          Yaml yaml2load = new Yaml();
68          yaml2load.setBeanAccess(BeanAccess.FIELD);
69          A loaded = (A) yaml2load.load(dump);
70  
71          assertEquals(data.meta.size(), loaded.meta.size());
72          Set<Entry<String, String[]>> loadedMeta = loaded.meta.entrySet();
73          for (Entry<String, String[]> entry : loadedMeta) {
74              assertTrue(data.meta.containsKey(entry.getKey()));
75              Assert.assertArrayEquals(data.meta.get(entry.getKey()), entry.getValue());
76          }
77      }
78  
79      public void testArrayAsMapValueWithTypeDespriptor() {
80          Yaml yaml2dump = new Yaml();
81          yaml2dump.setBeanAccess(BeanAccess.FIELD);
82          A data = createA();
83          String dump = yaml2dump.dump(data);
84          // System.out.println(dump);
85  
86          TypeDescription aTypeDescr = new TypeDescription(A.class);
87          aTypeDescr.putMapPropertyType("meta", String.class, String[].class);
88  
89          Constructor c = new Constructor();
90          c.addTypeDescription(aTypeDescr);
91          Yaml yaml2load = new Yaml(c);
92          yaml2load.setBeanAccess(BeanAccess.FIELD);
93  
94          A loaded = (A) yaml2load.load(dump);
95  
96          assertEquals(data.meta.size(), loaded.meta.size());
97          Set<Entry<String, String[]>> loadedMeta = loaded.meta.entrySet();
98          for (Entry<String, String[]> entry : loadedMeta) {
99              assertTrue(data.meta.containsKey(entry.getKey()));
100             Assert.assertArrayEquals(data.meta.get(entry.getKey()), entry.getValue());
101         }
102     }
103 
104     public void testArrayAsListValue() {
105         Yaml yaml2dump = new Yaml();
106         yaml2dump.setBeanAccess(BeanAccess.FIELD);
107         B data = createB();
108         String dump = yaml2dump.dump(data);
109         // System.out.println(dump);
110 
111         Yaml yaml2load = new Yaml();
112         yaml2load.setBeanAccess(BeanAccess.FIELD);
113         B loaded = (B) yaml2load.load(dump);
114 
115         Assert.assertArrayEquals(data.meta.toArray(), loaded.meta.toArray());
116     }
117 
118     public void testArrayAsListValueWithTypeDespriptor() {
119         Yaml yaml2dump = new Yaml();
120         yaml2dump.setBeanAccess(BeanAccess.FIELD);
121         B data = createB();
122         String dump = yaml2dump.dump(data);
123         // System.out.println(dump);
124 
125         TypeDescription aTypeDescr = new TypeDescription(B.class);
126         aTypeDescr.putListPropertyType("meta", String[].class);
127 
128         Constructor c = new Constructor();
129         c.addTypeDescription(aTypeDescr);
130         Yaml yaml2load = new Yaml(c);
131         yaml2load.setBeanAccess(BeanAccess.FIELD);
132 
133         B loaded = (B) yaml2load.load(dump);
134 
135         Assert.assertArrayEquals(data.meta.toArray(), loaded.meta.toArray());
136     }
137 
138     public void testNoTags() {
139         Yaml yaml2dump = new Yaml();
140         yaml2dump.setBeanAccess(BeanAccess.FIELD);
141         B data = createB();
142         String dump = yaml2dump.dumpAs(data, Tag.MAP, FlowStyle.AUTO);
143         // System.out.println(dump);
144         assertEquals("meta:\n- [whatever]\n- [something, something else]\n", dump);
145         //
146         Constructor constr = new Constructor(B.class);
147         Yaml yaml2load = new Yaml(constr);
148         yaml2load.setBeanAccess(BeanAccess.FIELD);
149         B loaded = (B) yaml2load.load(dump);
150 
151         Assert.assertArrayEquals(data.meta.toArray(), loaded.meta.toArray());
152     }
153 }