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1 package com.thoughtworks.acceptance;
2
3 public class CustomClassesTest extends AbstractAcceptanceTest {
4
5 public static class SamplePerson extends StandardObject {
6 int anInt;
7 String  firstName;
8 String lastName;
9 }
10
11 public void testCustomObjectWithBasicFields() {
12
13 xstream.alias("friend", SamplePerson.class);
14
15 SamplePerson person = new SamplePerson();
16 person.anInt = 3;
17 person.firstName = "Joe";
18 person.lastName = "Walnes";
19
20 String expected =
21 "<friend>\n" +
22 " <anInt>3</anInt>\n" +
23 " <firstName>Joe</firstName>\n" +
24 " <lastName>Walnes</lastName>\n" +
25 "</friend>";
26
27 assertBothWays(person, expected);
28
29 }
30
31 public static class SamplePersonHolder {
32 String aString;
33 SamplePerson brother;
34
35 public boolean equals(Object obj) {
36 SamplePersonHolder containerObject = (SamplePersonHolder) obj;
37 return aString.equals(containerObject.aString)
38 && brother.equals(containerObject.brother);
39 }
40 }
41
42 public void testCustomObjectWithCustomObjectField() {
43 xstream.alias("friend", SamplePerson.class);
44 xstream.alias("personHolder", SamplePersonHolder.class);
45
46 SamplePersonHolder personHolder = new SamplePersonHolder();
47 personHolder.aString = "hello world";
48
49 SamplePerson person = new SamplePerson();
50 person.anInt = 3;
51 person.firstName = "Joe";
52 person.lastName = "Walnes";
53
54 personHolder.brother = person;
55
56 String expected =
57 "<personHolder>\n" +
58 " <aString>hello world</aString>\n" +
59 " <brother>\n" +
60 " <anInt>3</anInt>\n" +
61 " <firstName>Joe</firstName>\n" +
62 " <lastName>Walnes</lastName>\n" +
63 " </brother>\n" +
64 "</personHolder>";
65
66 assertBothWays(personHolder, expected);
67
68 }
69
70 public void testNullObjectsDoNotHaveFieldsWritten() {
71
72 xstream.alias("cls", WithSomeFields.class);
73
74 WithSomeFields obj = new WithSomeFields();
75
76 String expected = "<cls/>";
77
78 assertBothWays(obj, expected);
79 }
80
81 public void testEmptyStringsAreNotTreatedAsNulls() {
82 xstream.alias("cls", WithSomeFields.class);
83
84 WithSomeFields obj = new WithSomeFields();
85 obj.b = "";
86
87 String expected = "" +
88 "<cls>\n" +
89 " <b></b>\n" +
90 "</cls>";
91
92 assertBothWays(obj, expected);
93 }
94
95 public static class WithSomeFields extends StandardObject {
96 Object a;
97 String b;
98 }
99
100 public void testNullsAreDistinguishedFromEmptyStrings() {
101 LotsOfStrings in = new LotsOfStrings();
102 in.a = ".";
103 in.b = "";
104 in.c = null;
105
106 String xml = xstream.toXML(in);
107 LotsOfStrings out = (LotsOfStrings) xstream.fromXML(xml);
108
109 assertEquals(".", out.a);
110 assertEquals("", out.b);
111 assertNull(out.c);
112 }
113
114 public static class LotsOfStrings {
115 String a;
116 String b;
117 String c;
118 }
119
120 public void testFieldWithObjectType() {
121 String expected = "" +
122 "<thing>\n" +
123 " <one>1.0</one>\n" +
124 " <two class=\"double\">2.0</two>\n" +
125 "</thing>";
126 xstream.alias("thing", FieldWithObjectType.class);
127
128 assertBothWays(new FieldWithObjectType(), expected);
129 }
130
131 public static class FieldWithObjectType extends StandardObject {
132 Double one = new Double (1.0);
133 Object two = new Double (2.0);
134 }
135 }
136 |
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