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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 org.yaml.snakeyaml.issues.issue10;
17  
18  import java.util.ArrayList;
19  import java.util.Iterator;
20  
21  import junit.framework.TestCase;
22  
23  import org.yaml.snakeyaml.Util;
24  import org.yaml.snakeyaml.Yaml;
25  
26  public class BasicDumpTest extends TestCase {
27  
28      public void testTag() {
29          DataSource base = new DataSource();
30          JDBCDataSource baseJDBC = new JDBCDataSource();
31          baseJDBC.setParent(base);
32  
33          ArrayList<DataSource> dataSources = new ArrayList<DataSource>();
34          // trying expected order first
35          dataSources.add(base);
36          dataSources.add(baseJDBC);
37  
38          DataSources ds = new DataSources();
39          ds.setDataSources(dataSources);
40  
41          Yaml yaml = new Yaml();
42          String output = yaml.dump(ds);
43  
44          String etalon = Util.getLocalResource("javabeans/issue10-1.yaml");
45          assertEquals(etalon.trim(), output.trim());
46          Object obj = yaml.load(output);
47          DataSources dsOut = (DataSources) obj;
48          Iterator<DataSource> iter = dsOut.getDataSources().iterator();
49          assertFalse("Must be DataSource.", iter.next() instanceof JDBCDataSource);
50          assertTrue(iter.next() instanceof JDBCDataSource);
51      }
52  
53      public void testTag2() {
54          DataSource base = new DataSource();
55          JDBCDataSource baseJDBC = new JDBCDataSource();
56          baseJDBC.setParent(base);
57  
58          ArrayList<DataSource> dataSources = new ArrayList<DataSource>();
59          dataSources.add(base);
60          dataSources.add(baseJDBC);
61  
62          DataSources ds = new DataSources();
63          ds.setDataSources(dataSources);
64  
65          Yaml yaml = new Yaml();
66          String output = yaml.dumpAsMap(ds);
67  
68          String etalon = Util.getLocalResource("javabeans/issue10-2.yaml");
69          assertEquals(etalon.trim(), output.trim());
70      }
71  
72      /**
73       * different order does not require the global tag
74       */
75      public void testTag3() {
76          DataSource base = new DataSource();
77          JDBCDataSource baseJDBC = new JDBCDataSource();
78          baseJDBC.setParent(base);
79  
80          ArrayList<DataSource> dataSources = new ArrayList<DataSource>();
81          dataSources.add(baseJDBC);
82          dataSources.add(base);
83  
84          DataSources ds = new DataSources();
85          ds.setDataSources(dataSources);
86  
87          Yaml yaml = new Yaml();
88          String output = yaml.dumpAsMap(ds);
89  
90          String etalon = Util.getLocalResource("javabeans/issue10-3.yaml");
91          assertEquals(etalon.trim(), output.trim());
92          // load
93          Yaml beanLoader = new Yaml();
94          DataSources bean = beanLoader.loadAs(output, DataSources.class);
95          Iterator<DataSource> iter = bean.getDataSources().iterator();
96          assertTrue(iter.next() instanceof JDBCDataSource);
97          assertFalse("Must be DataSource.", iter.next() instanceof JDBCDataSource);
98      }
99  }