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1 package jimm.datavision.test;
2 import jimm.util.StringUtils;
3 import jimm.util.Replacer;
4 import java.util.ArrayList  ;
5 import java.util.List ;
6 import junit.framework.TestCase;
7 import junit.framework.TestSuite;
8 import junit.framework.Test;
9
10 public class StringUtilsTest extends TestCase {
11
12 public static Test suite() {
13 return new TestSuite(StringUtilsTest.class);
14 }
15
16 public StringUtilsTest(String name) {
17 super(name);
18 }
19
20 public void testEscapeXML() {
21 assertEquals("", StringUtils.escapeXML(null));
22 assertEquals("", StringUtils.escapeXML(""));
23 assertEquals("abc&def", StringUtils.escapeXML("abc&def"));
24 assertEquals("abc"def'", StringUtils.escapeXML("abc\"def'"));
25 assertEquals("<>", StringUtils.escapeXML("<>"));
26 }
27
28 public void testUnescapeXML() {
29 assertEquals("", StringUtils.unescapeXML(null));
30 assertEquals("", StringUtils.unescapeXML(""));
31 assertEquals("abc&def", StringUtils.unescapeXML("abc&def"));
32 assertEquals("abc\"def'", StringUtils.unescapeXML("abc"def'"));
33 assertEquals("<>", StringUtils.unescapeXML("<>"));
34 assertEquals("abc def", StringUtils.unescapeXML("abcdef"));
35 }
36
37 public void testNewlines() {
38 assertEquals("", StringUtils.newlinesToXHTMLBreaks(null));
39 assertEquals("", StringUtils.newlinesToXHTMLBreaks(""));
40 assertEquals("\n<br />", StringUtils.newlinesToXHTMLBreaks("\n"));
41 assertEquals("\n<br />", StringUtils.newlinesToXHTMLBreaks("\r"));
42 assertEquals("\n<br />", StringUtils.newlinesToXHTMLBreaks("\r\n"));
43 assertEquals("hello\n<br />world",
44 StringUtils.newlinesToXHTMLBreaks("hello\nworld"));
45 assertEquals("hello\n<br />world",
46 StringUtils.newlinesToXHTMLBreaks("hello\rworld"));
47 assertEquals("hello\n<br />world",
48 StringUtils.newlinesToXHTMLBreaks("hello\r\nworld"));
49 }
50
51 public void testSplit() {
52 ArrayList typicalAnswer = new ArrayList ();
53 typicalAnswer.add("a");
54 typicalAnswer.add("b");
55 typicalAnswer.add("c");
56
57 ArrayList origStringAnswer = new ArrayList ();
58 origStringAnswer.add("abc");
59
60 assertNull(StringUtils.split(null, null));
62 assertEquals(origStringAnswer, StringUtils.split("abc", null));
63 assertEquals(origStringAnswer, StringUtils.split("abc", "x"));
64
65 assertEquals(typicalAnswer, StringUtils.split("a.b.c", "."));
66 assertEquals(typicalAnswer, StringUtils.split("a**&*b**&*c", "**&*"));
67
68 ArrayList answer = new ArrayList (typicalAnswer);
69 answer.add(0, "");
70 assertEquals(answer, StringUtils.split(".a.b.c", "."));
71 assertEquals(answer, StringUtils.split("**&*a**&*b**&*c", "**&*"));
72
73 answer = new ArrayList (typicalAnswer);
74 answer.add(1, "");
75 assertEquals(answer, StringUtils.split("a..b.c", "."));
76 assertEquals(answer, StringUtils.split("a**&***&*b**&*c", "**&*"));
77
78 answer = new ArrayList (typicalAnswer);
79 answer.add("");
80 assertEquals(answer, StringUtils.split("a.b.c.", "."));
81 assertEquals(answer, StringUtils.split("a**&*b**&*c**&*", "**&*"));
82
83 answer = new ArrayList (typicalAnswer);
84 answer.add(1, "");
85 answer.add("");
86 assertEquals(answer, StringUtils.split("a..b.c.", "."));
87 assertEquals(answer, StringUtils.split("a**&***&*b**&*c**&*", "**&*"));
88 }
89
90 public void testJoin() {
91 assertEquals("", StringUtils.join(null, null));
92 assertEquals("", StringUtils.join(null, ","));
93
94 ArrayList list = new ArrayList ();
95 assertEquals("", StringUtils.join(list, null));
96 assertEquals("", StringUtils.join(list, ","));
97
98 list.add("a");
99 assertEquals("a", StringUtils.join(list, null));
100 assertEquals("a", StringUtils.join(list, ","));
101
102 list.add("xyzzy");
103 assertEquals("axyzzy", StringUtils.join(list, null));
104 assertEquals("a,xyzzy", StringUtils.join(list, ","));
105 assertEquals("a-*-xyzzy", StringUtils.join(list, "-*-"));
106 }
107
108 public void testReplace() {
109 Replacer r = new Replacer() {
110 public Object replace(String s) { return "x"; }
111 };
112
113 assertNull(StringUtils.replaceDelimited("", "", null, null));
114 assertNull(StringUtils.replaceDelimited(null, null, null, null));
115 assertEquals("abcde", StringUtils.replaceDelimited(null, null, r, "abcde"));
116 assertEquals("abcde", StringUtils.replaceDelimited("", "", r, "abcde"));
117 assertEquals("", StringUtils.replaceDelimited("{%", "}", r, ""));
118
119 assertEquals("abxde", StringUtils.replaceDelimited("{%", "}", r, "ab{%c}de"));
120 assertEquals("xabxdex", StringUtils.replaceDelimited("{%", "}", r,
121 "{%}ab{%c}de{% }"));
122 assertEquals("abcd{%e", StringUtils.replaceDelimited("{%", "}", r, "abcd{%e"));
123 assertEquals("x.nil? ? nil : x / 100.0",
124 StringUtils.replaceDelimited("{", "}", r,
125 "{jobs.hourly rate}.nil? ? nil : {jobs.hourly rate} / 100.0"));
126 }
127
128 public void testReplaceNotAfter() {
129 Replacer r = new Replacer() {
130 public Object replace(String s) { return "x"; }
131 };
132
133 assertNull(StringUtils.replaceDelimited("#", "", "", null, null));
134 assertNull(StringUtils.replaceDelimited("#", "#", "#", null, null));
135 assertNull(StringUtils.replaceDelimited("#", null, null, null, null));
136 assertEquals("abcde", StringUtils.replaceDelimited("#", null, null, r, "abcde"));
137 assertEquals("abcde", StringUtils.replaceDelimited("#", "", "", r, "abcde"));
138 assertEquals("", StringUtils.replaceDelimited("#", "{%", "}", r, ""));
139
140 assertEquals("abxde",
141 StringUtils.replaceDelimited("#", "{%", "}", r, "ab{%c}de"));
142 assertEquals("xabxdex", StringUtils.replaceDelimited("#", "{%", "}", r,
143 "{%}ab{%c}de{% }"));
144 assertEquals("abcd{%e",
145 StringUtils.replaceDelimited("#", "{%", "}", r, "abcd{%e"));
146
147 assertEquals("ab#{c}de",
148 StringUtils.replaceDelimited("#", "{", "}", r, "ab#{c}de"));
149 assertEquals("ab##{c}de",
150 StringUtils.replaceDelimited("#", "{", "}", r, "ab##{c}de"));
151 assertEquals("ab##{x}dex",
152 StringUtils.replaceDelimited("#", "{", "}", r, "ab##{{c}}de{z}"));
153 assertEquals("ab#{x}de",
154 StringUtils.replaceDelimited("#", "{", "}", r, "ab#{{c}}de"));
155 assertEquals("ab#{x}de",
156 StringUtils.replaceDelimited("#", "{%", "}", r, "ab#{{%c}}de"));
157 }
158
159 public void testAvoidInfiniteLoop() {
160 final int[] count = new int[1];
161 count[0] = 0;
162 Replacer r = new Replacer() {
163 public Object replace(String s) {
164 if (++count[0] == 2)
165 fail("caught in an infinite loop");
166 return "{" + s + "}";
167 }
168 };
169 assertEquals("a{}b",
170 StringUtils.replaceDelimited(null, "{", "}", r, "a{}b"));
171 }
172
173 public void testLineSplit() {
174 ArrayList answer = new ArrayList ();
175 answer.add("");
176
177 List split = StringUtils.splitIntoLines("");
178 assertEquals(answer.size(), split.size());
179 assertEquals(answer, split);
180
181 String [] endings = { "\n", "\r", "\r\n" };
183
184 for (int i = 0; i < endings.length; ++i) {
187 split = StringUtils.splitIntoLines(endings[i]);
188 assertEquals(answer.size(), split.size());
189 assertEquals(answer, split);
190 }
191
192 answer.add("x");
193 for (int i = 0; i < endings.length; ++i) {
194 split = StringUtils.splitIntoLines(endings[i] + "x");
195 assertEquals(answer.size(), split.size());
196 assertEquals(answer, split);
197 }
198
199 answer = new ArrayList ();
200 answer.add("line one");
201 answer.add("part deux");
202 answer.add("three's a crowd, eh?");
203 answer.add("");
204
205 split = StringUtils.splitIntoLines("line one\npart deux\nthree's a crowd, eh?"
206 + "\n\n");
207 assertEquals(answer.size(), split.size());
208 assertEquals(answer, split);
209
210 answer = new ArrayList ();
212 answer.add("two newlines after this line");
213 answer.add("");
214 answer.add("part deux");
215 answer.add("three's a crowd, eh?");
216 answer.add("");
217
218 split = StringUtils.splitIntoLines("two newlines after this line\n\npart deux\nthree's a crowd, eh?"
219 + "\n\n");
220 assertEquals(answer.size(), split.size());
221 assertEquals(answer, split);
222
223 split = StringUtils.splitIntoLines("two newlines after this line\r\n\r\npart deux\r\nthree's a crowd, eh?"
224 + "\n\n");
225 assertEquals(answer.size(), split.size());
226 assertEquals(answer, split);
227
228 split = StringUtils.splitIntoLines("two newlines after this line\r\rpart deux\rthree's a crowd, eh?"
229 + "\r\r");
230 assertEquals(answer.size(), split.size());
231 assertEquals(answer, split);
232 }
233
234 public void testSplitUp() {
235 StringBuffer buf = new StringBuffer ();
236 StringUtils.splitUp(buf, null);
237 assertEquals("", buf.toString());
238
239 buf = new StringBuffer ();
240 StringUtils.splitUp(buf, "abcde abcde abcde abcde", 12);
241 assertEquals("abcde abcde\nabcde abcde", buf.toString());
242
243 buf = new StringBuffer ();
244 StringUtils.splitUp(buf, "abcdeabcdeabcdeabcde", 12);
245 assertEquals("abcdeabcdeabcdeabcde", buf.toString());
246
247 buf = new StringBuffer ();
248 StringUtils.splitUp(buf, " abcde", 12);
249 assertEquals("abcde", buf.toString());
250
251 buf = new StringBuffer ();
252 StringUtils.splitUp(buf, " abcde abcde abcde abcde ", 12);
253 assertEquals("abcde\nabcde\nabcde\nabcde", buf.toString());
254 }
255
256 public static void main(String [] args) {
257 junit.textui.TestRunner.run(suite());
258 System.exit(0);
259 }
260
261 }
262 |
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