TypeSafeMapTest.java revision 37c1b0be3cfcd6fd38fdbae858a02c49e438d85b 
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
17package examples.collections;
18
19import java.util.LinkedHashMap;
20import java.util.Map;
21
22import junit.framework.TestCase;
23
24import org.yaml.snakeyaml.JavaBeanDumper;
25import org.yaml.snakeyaml.JavaBeanLoader;
26import org.yaml.snakeyaml.Util;
27
28/**
29 * Test MapBean->Map<String, Developer> developers <br/>
30 * Developer class must be properly recognised
31 */
32public class TypeSafeMapTest extends TestCase {
33    public void testDumpMap() {
34        MapBean bean = new MapBean();
35        Map<String, Integer> data = new LinkedHashMap<String, Integer>();
36        data.put("aaa", 1);
37        data.put("bbb", 2);
38        data.put("zzz", 3);
39        bean.setData(data);
40        Map<String, Developer2> developers = new LinkedHashMap<String, Developer2>();
41        developers.put("team1", new Developer2("Fred", "creator"));
42        developers.put("team2", new Developer2("John", "committer"));
43        bean.setDevelopers(developers);
44        JavaBeanDumper dumper = new JavaBeanDumper(false);
45        String output = dumper.dump(bean);
46        // System.out.println(output);
47        String etalon = Util.getLocalResource("examples/map-bean-10.yaml");
48        assertEquals(etalon, output);
49    }
50
51    public void testDumpMap2() {
52        MapBean bean = new MapBean();
53        Map<String, Integer> data = new LinkedHashMap<String, Integer>();
54        data.put("aaa", 1);
55        data.put("bbb", 2);
56        bean.setData(data);
57        Map<String, Developer2> developers = new LinkedHashMap<String, Developer2>();
58        developers.put("team1", new Developer2("Fred", "creator"));
59        developers.put("team2", new Developer2("John", "committer"));
60        developers.put("team3", new Developer222("Bill", "head"));
61        bean.setDevelopers(developers);
62        JavaBeanDumper dumper = new JavaBeanDumper(false);
63        String output = dumper.dump(bean);
64        // System.out.println(output);
65        String etalon = Util.getLocalResource("examples/map-bean-11.yaml");
66        assertEquals(etalon, output);
67    }
68
69    public void testLoadMap() {
70        String output = Util.getLocalResource("examples/map-bean-10.yaml");
71        // System.out.println(output);
72        JavaBeanLoader<MapBean> beanLoader = new JavaBeanLoader<MapBean>(MapBean.class);
73        MapBean parsed = beanLoader.load(output);
74        assertNotNull(parsed);
75        Map<String, Integer> data = parsed.getData();
76        assertEquals(3, data.size());
77        assertEquals(new Integer(1), data.get("aaa"));
78        assertEquals(new Integer(2), data.get("bbb"));
79        assertEquals(new Integer(3), data.get("zzz"));
80        Map<String, Developer2> developers = parsed.getDevelopers();
81        assertEquals(2, developers.size());
82        assertEquals("Developer must be recognised.", Developer2.class, developers.get("team1")
83                .getClass());
84        Developer2 fred = developers.get("team1");
85        assertEquals("Fred", fred.getName());
86        assertEquals("creator", fred.getRole());
87    }
88
89    public static class MapBean {
90        private Map<String, Integer> data;
91        private String name;
92        private Map<String, Developer2> developers;
93
94        public MapBean() {
95            name = "Bean123";
96        }
97
98        public Map<String, Integer> getData() {
99            return data;
100        }
101
102        public void setData(Map<String, Integer> data) {
103            this.data = data;
104        }
105
106        public String getName() {
107            return name;
108        }
109
110        public void setName(String name) {
111            this.name = name;
112        }
113
114        public Map<String, Developer2> getDevelopers() {
115            return developers;
116        }
117
118        public void setDevelopers(Map<String, Developer2> developers) {
119            this.developers = developers;
120        }
121    }
122
123    public static class Developer2 {
124        private String name;
125        private String role;
126
127        public Developer2() {
128        }
129
130        public Developer2(String name, String role) {
131            this.name = name;
132            this.role = role;
133        }
134
135        public String getName() {
136            return name;
137        }
138
139        public void setName(String name) {
140            this.name = name;
141        }
142
143        public String getRole() {
144            return role;
145        }
146
147        public void setRole(String role) {
148            this.role = role;
149        }
150    }
151
152    public static class Developer222 extends Developer2 {
153        public Developer222() {
154            super();
155        }
156
157        public Developer222(String name, String role) {
158            super(name, role);
159        }
160    }
161
162    /*
163     * No generic collection
164     */
165    @SuppressWarnings({ "unchecked", "rawtypes" })
166    public void testLoadMapWithObject() {
167        String output = Util.getLocalResource("examples/map-bean-10.yaml");
168        // System.out.println(output);
169        JavaBeanLoader<MapBeanNoGenerics> beanLoader = new JavaBeanLoader<MapBeanNoGenerics>(
170                MapBeanNoGenerics.class);
171        MapBeanNoGenerics parsed = beanLoader.load(output);
172        assertNotNull(parsed);
173        Map<String, Integer> data = parsed.getData();
174        assertEquals(3, data.size());
175        assertEquals(new Integer(1), data.get("aaa"));
176        assertEquals(new Integer(2), data.get("bbb"));
177        assertEquals(new Integer(3), data.get("zzz"));
178        Map developers = parsed.getDevelopers();
179        assertNotNull(developers);
180        assertEquals(2, developers.size());
181        Object o1 = developers.get("team1");
182        // because of erasure we get simply Map
183        Map<String, String> developer = (Map<String, String>) o1;
184        assertEquals("Fred", developer.get("name"));
185        assertEquals("creator", developer.get("role"));
186    }
187
188    @SuppressWarnings("rawtypes")
189    public static class MapBeanNoGenerics {
190        private Map data;
191        private String name;
192        private Map developers;
193
194        public MapBeanNoGenerics() {
195            name = "Bean123";
196        }
197
198        public Map getData() {
199            return data;
200        }
201
202        public void setData(Map data) {
203            this.data = data;
204        }
205
206        public String getName() {
207            return name;
208        }
209
210        public void setName(String name) {
211            this.name = name;
212        }
213
214        public Map getDevelopers() {
215            return developers;
216        }
217
218        public void setDevelopers(Map developers) {
219            this.developers = developers;
220        }
221    }
222}
223