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16 package examples;
17
18 import java.io.StringWriter;
19 import java.util.ArrayList;
20 import java.util.HashMap;
21 import java.util.List;
22 import java.util.Map;
23
24 import junit.framework.TestCase;
25
26 import org.yaml.snakeyaml.DumperOptions;
27 import org.yaml.snakeyaml.Yaml;
28
29 public class DumpExampleTest extends TestCase {
30 public void testDump() {
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 String output = yaml.dump(data);
37 assertTrue(output.contains("name: Silenthand Olleander"));
38 assertTrue(output.contains("race: Human"));
39 assertTrue(output.contains("traits: [ONE_HAND, ONE_EYE]"));
40 }
41
42 public void testDumpWriter() {
43 Map<String, Object> data = new HashMap<String, Object>();
44 data.put("name", "Silenthand Olleander");
45 data.put("race", "Human");
46 data.put("traits", new String[] { "ONE_HAND", "ONE_EYE" });
47 Yaml yaml = new Yaml();
48 StringWriter writer = new StringWriter();
49 yaml.dump(data, writer);
50 assertTrue(writer.toString().contains("name: Silenthand Olleander"));
51 assertTrue(writer.toString().contains("race: Human"));
52 assertTrue(writer.toString().contains("traits: [ONE_HAND, ONE_EYE]"));
53 }
54
55 public void testDumpMany() {
56 List<Integer> docs = new ArrayList<Integer>();
57 for (int i = 1; i < 4; i++) {
58 docs.add(i);
59 }
60 DumperOptions options = new DumperOptions();
61 options.setExplicitStart(true);
62 Yaml yaml = new Yaml(options);
63 String result = yaml.dumpAll(docs.iterator());
64 assertNotNull(result);
65 assertTrue(result.contains("--- 2"));
66 }
67
68 public void testDumpCustomJavaClass() {
69 Hero hero = new Hero("Galain Ysseleg", -3, 2);
70 DumperOptions options = new DumperOptions();
71 options.setAllowReadOnlyProperties(true);
72 Yaml yaml = new Yaml(options);
73 String output = yaml.dump(hero);
74 assertEquals("!!examples.Hero {hp: -3, name: Galain Ysseleg, sp: 2}\n", output);
75 }
76
77 public void testDumperOptions() {
78 List<Integer> data = new ArrayList<Integer>();
79 for (int i = 0; i < 50; i++) {
80 data.add(i);
81 }
82 Yaml yaml = new Yaml();
83 String output = yaml.dump(data);
84 assertTrue(output.contains("[0, 1, 2, 3, 4, 5, 6, 7, 8"));
85
86 DumperOptions options = new DumperOptions();
87 options.setWidth(50);
88 options.setIndent(4);
89 yaml = new Yaml(options);
90 output = yaml.dump(data);
91 assertTrue(output.contains("1, 2"));
92 }
93
94 public void testDumperOptionsCanonical() {
95 List<Integer> data = new ArrayList<Integer>();
96 for (int i = 0; i < 5; i++) {
97 data.add(i);
98 }
99 DumperOptions options = new DumperOptions();
100 options.setCanonical(true);
101 Yaml yaml = new Yaml(options);
102 String output = yaml.dump(data);
103 assertTrue(output.contains("---"));
104 assertTrue(output.contains("!!seq ["));
105 assertTrue(output.contains("!!int \"3\","));
106 }
107
108 public void testDumperOptionsFlowStyle() {
109 List<Integer> data = new ArrayList<Integer>();
110 for (int i = 0; i < 5; i++) {
111 data.add(i);
112 }
113 DumperOptions options = new DumperOptions();
114 options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
115 Yaml yaml = new Yaml(options);
116 String output = yaml.dump(data);
117 assertTrue(output.contains("- 0\n"));
118 assertTrue(output.contains("- 1\n"));
119 assertTrue(output.contains("- 4\n"));
120 }
121
122 public void testDumperOptionsStyle() {
123 List<Integer> data = new ArrayList<Integer>();
124 for (int i = 0; i < 5; i++) {
125 data.add(i);
126 }
127 DumperOptions options = new DumperOptions();
128 options.setDefaultScalarStyle(DumperOptions.ScalarStyle.DOUBLE_QUOTED);
129 Yaml yaml = new Yaml(options);
130 String output = yaml.dump(data);
131 assertTrue(output.contains("- !!int \"0\""));
132 assertTrue(output.contains("- !!int \"1\""));
133 assertTrue(output.contains("- !!int \"4\""));
134 }
135 }