DumpExampleTest.java revision 7f67d9bf9c5368f1a9db91fa853db67f76870751 
1/*
2 * See LICENSE file in distribution for copyright and licensing information.
3 */
4package examples;
5
6import java.io.StringWriter;
7import java.util.HashMap;
8import java.util.LinkedList;
9import java.util.List;
10import java.util.Map;
11
12import junit.framework.TestCase;
13
14import org.yaml.snakeyaml.DumperOptions;
15import org.yaml.snakeyaml.Yaml;
16
17public class DumpExampleTest extends TestCase {
18    public void testDump() {
19        Map<String, Object> data = new HashMap<String, Object>();
20        data.put("name", "Silenthand Olleander");
21        data.put("race", "Human");
22        data.put("traits", new String[] { "ONE_HAND", "ONE_EYE" });
23        Yaml yaml = new Yaml();
24        String output = yaml.dump(data);
25        assertTrue(output.contains("name: Silenthand Olleander"));
26        assertTrue(output.contains("race: Human"));
27        assertTrue(output.contains("traits: [ONE_HAND, ONE_EYE]"));
28    }
29
30    public void testDumpWriter() {
31        Map<String, Object> data = new HashMap<String, Object>();
32        data.put("name", "Silenthand Olleander");
33        data.put("race", "Human");
34        data.put("traits", new String[] { "ONE_HAND", "ONE_EYE" });
35        Yaml yaml = new Yaml();
36        StringWriter writer = new StringWriter();
37        yaml.dump(data, writer);
38        assertTrue(writer.toString().contains("name: Silenthand Olleander"));
39        assertTrue(writer.toString().contains("race: Human"));
40        assertTrue(writer.toString().contains("traits: [ONE_HAND, ONE_EYE]"));
41    }
42
43    public void testDumpMany() {
44        List<Integer> docs = new LinkedList<Integer>();
45        for (int i = 1; i < 4; i++) {
46            docs.add(i);
47        }
48        DumperOptions options = new DumperOptions();
49        options.setExplicitStart(true);
50        Yaml yaml = new Yaml(options);
51        String result = yaml.dumpAll(docs.iterator());
52        assertNotNull(result);
53        assertTrue(result.contains("--- 2"));
54    }
55
56    public void testDumpCustomJavaClass() {
57        Hero hero = new Hero("Galain Ysseleg", -3, 2);
58        Yaml yaml = new Yaml();
59        String output = yaml.dump(hero);
60        assertEquals("!!examples.Hero {hp: -3, name: Galain Ysseleg, sp: 2}\n", output);
61    }
62
63    public void testDumperOptions() {
64        List<Integer> data = new LinkedList<Integer>();
65        for (int i = 0; i < 50; i++) {
66            data.add(i);
67        }
68        Yaml yaml = new Yaml();
69        String output = yaml.dump(data);
70        assertTrue(output.contains("[0, 1, 2, 3, 4, 5, 6, 7, 8"));
71        //
72        DumperOptions options = new DumperOptions();
73        options.setWidth(50);
74        options.setIndent(4);
75        yaml = new Yaml(options);
76        output = yaml.dump(data);
77        assertTrue(output.contains("1, 2"));
78    }
79
80    public void testDumperOptionsCanonical() {
81        List<Integer> data = new LinkedList<Integer>();
82        for (int i = 0; i < 5; i++) {
83            data.add(i);
84        }
85        DumperOptions options = new DumperOptions();
86        options.setCanonical(true);
87        Yaml yaml = new Yaml(options);
88        String output = yaml.dump(data);
89        assertTrue(output.contains("---"));
90        assertTrue(output.contains("!!seq ["));
91        assertTrue(output.contains("!!int \"3\","));
92    }
93
94    public void testDumperOptionsFlowStyle() {
95        List<Integer> data = new LinkedList<Integer>();
96        for (int i = 0; i < 5; i++) {
97            data.add(i);
98        }
99        DumperOptions options = new DumperOptions();
100        options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
101        Yaml yaml = new Yaml(options);
102        String output = yaml.dump(data);
103        assertTrue(output.contains("- 0\n"));
104        assertTrue(output.contains("- 1\n"));
105        assertTrue(output.contains("- 4\n"));
106    }
107
108    public void testDumperOptionsStyle() {
109        List<Integer> data = new LinkedList<Integer>();
110        for (int i = 0; i < 5; i++) {
111            data.add(i);
112        }
113        DumperOptions options = new DumperOptions();
114        options.setDefaultScalarStyle(DumperOptions.ScalarStyle.DOUBLE_QUOTED);
115        Yaml yaml = new Yaml(options);
116        String output = yaml.dump(data);
117        assertTrue(output.contains("- !!int \"0\""));
118        assertTrue(output.contains("- !!int \"1\""));
119        assertTrue(output.contains("- !!int \"4\""));
120    }
121
122}
123