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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.resolver;
17  
18  import java.util.HashMap;
19  import java.util.Map;
20  
21  import junit.framework.TestCase;
22  
23  import org.yaml.snakeyaml.DumperOptions;
24  import org.yaml.snakeyaml.Yaml;
25  import org.yaml.snakeyaml.constructor.Constructor;
26  import org.yaml.snakeyaml.representer.Representer;
27  
28  public class CustomResolverTest extends TestCase {
29  
30      public void testResolverToDump() {
31          Map<Object, Object> map = new HashMap<Object, Object>();
32          map.put("1.0", "2009-01-01");
33          Yaml yaml = new Yaml(new Constructor(), new Representer(), new DumperOptions(),
34                  new CustomResolver());
35          String output = yaml.dump(map);
36          assertEquals("{1.0: 2009-01-01}\n", output);
37          assertEquals("Float and Date must be escaped.", "{'1.0': '2009-01-01'}\n",
38                  new Yaml().dump(map));
39      }
40  
41      @SuppressWarnings("unchecked")
42      public void testResolverToLoad() {
43          Yaml yaml = new Yaml(new Constructor(), new Representer(), new DumperOptions(),
44                  new CustomResolver());
45          Map<Object, Object> map = (Map<Object, Object>) yaml.load("1.0: 2009-01-01");
46          assertEquals(1, map.size());
47          assertEquals("2009-01-01", map.get("1.0"));
48          // the default Resolver shall create Date and Double from the same YAML
49          // document
50          Yaml yaml2 = new Yaml();
51          Map<Object, Object> map2 = (Map<Object, Object>) yaml2.load("1.0: 2009-01-01");
52          assertEquals(1, map2.size());
53          assertFalse(map2.containsKey("1.0"));
54          assertTrue(map2.toString(), map2.containsKey(new Double(1.0)));
55      }
56  }