2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
23 import static org.testng.AssertJUnit.assertEquals;
24 import static org.testng.AssertJUnit.assertNull;
25 import static org.testng.AssertJUnit.assertTrue;
27 import jalview.gui.JvOptionPane;
29 import java.util.ArrayList;
30 import java.util.Arrays;
31 import java.util.List;
33 import org.testng.annotations.BeforeClass;
34 import org.testng.annotations.Test;
36 public class StringUtilsTest
39 @BeforeClass(alwaysRun = true)
40 public void setUpJvOptionPane()
42 JvOptionPane.setInteractiveMode(false);
43 JvOptionPane.setMockResponse(JvOptionPane.CANCEL_OPTION);
46 @Test(groups = { "Functional" })
47 public void testInsertCharAt()
49 char[] c1 = "ABC".toCharArray();
50 char[] expected = new char[] { 'A', 'B', 'C', 'w', 'w' };
51 assertTrue(Arrays.equals(expected,
52 StringUtils.insertCharAt(c1, 3, 2, 'w')));
53 expected = new char[] { 'A', 'B', 'C', 'w', 'w' };
54 assertTrue(Arrays.equals(expected,
55 StringUtils.insertCharAt(c1, 4, 2, 'w')));
56 assertTrue(Arrays.equals(expected,
57 StringUtils.insertCharAt(c1, 5, 2, 'w')));
58 assertTrue(Arrays.equals(expected,
59 StringUtils.insertCharAt(c1, 6, 2, 'w')));
60 assertTrue(Arrays.equals(expected,
61 StringUtils.insertCharAt(c1, 7, 2, 'w')));
64 @Test(groups = { "Functional" })
65 public void testDeleteChars()
67 char[] c1 = "ABC".toCharArray();
69 // delete second position
71 Arrays.equals(new char[]
72 { 'A', 'C' }, StringUtils.deleteChars(c1, 1, 2)));
74 // delete positions 1 and 2
76 Arrays.equals(new char[]
77 { 'C' }, StringUtils.deleteChars(c1, 0, 2)));
79 // delete positions 1-3
80 assertTrue(Arrays.equals(new char[] {},
81 StringUtils.deleteChars(c1, 0, 3)));
85 Arrays.equals(new char[]
86 { 'A', 'B' }, StringUtils.deleteChars(c1, 2, 3)));
88 // out of range deletion is ignore
89 assertTrue(Arrays.equals(c1, StringUtils.deleteChars(c1, 3, 4)));
92 @Test(groups = { "Functional" })
93 public void testSeparatorListToArray()
95 String[] result = StringUtils.separatorListToArray(
96 "foo=',',min='foo',max='1,2,3',fa=','", ",");
97 assertEquals("[foo=',', min='foo', max='1,2,3', fa=',']",
98 Arrays.toString(result));
100 * Comma nested in '' is not treated as delimiter; tokens are not trimmed
102 result = StringUtils.separatorListToArray("minsize='2', sep=','", ",");
103 assertEquals("[minsize='2', sep=',']", Arrays.toString(result));
106 * String delimited by | containing a quoted | (should not be treated as
109 assertEquals("[abc='|'d, ef, g]", Arrays.toString(
110 StringUtils.separatorListToArray("abc='|'d|ef|g", "|")));
113 @Test(groups = { "Functional" })
114 public void testArrayToSeparatorList()
116 assertEquals("*", StringUtils.arrayToSeparatorList(null, "*"));
118 StringUtils.arrayToSeparatorList(new String[] {}, "*"));
119 assertEquals("a*bc*cde",
120 StringUtils.arrayToSeparatorList(new String[]
121 { "a", "bc", "cde" }, "*"));
122 assertEquals("a*cde",
123 StringUtils.arrayToSeparatorList(new String[]
124 { "a", null, "cde" }, "*"));
125 assertEquals("a**cde",
126 StringUtils.arrayToSeparatorList(new String[]
127 { "a", "", "cde" }, "*"));
128 // delimiter within token is not (yet) escaped
129 assertEquals("a*b*c*cde",
130 StringUtils.arrayToSeparatorList(new String[]
131 { "a", "b*c", "cde" }, "*"));
134 @Test(groups = { "Functional" })
135 public void testListToDelimitedString()
137 assertEquals("", StringUtils.listToDelimitedString(null, ";"));
138 List<String> list = new ArrayList<>();
139 assertEquals("", StringUtils.listToDelimitedString(list, ";"));
141 assertEquals("now", StringUtils.listToDelimitedString(list, ";"));
143 assertEquals("now;is", StringUtils.listToDelimitedString(list, ";"));
144 assertEquals("now ; is",
145 StringUtils.listToDelimitedString(list, " ; "));
150 list.add("discontent");
151 assertEquals("now is the winter of our discontent",
152 StringUtils.listToDelimitedString(list, " "));
155 @Test(groups = { "Functional" })
156 public void testParseInt()
158 assertEquals(0, StringUtils.parseInt(null));
159 assertEquals(0, StringUtils.parseInt(""));
160 assertEquals(0, StringUtils.parseInt("x"));
161 assertEquals(0, StringUtils.parseInt("1.2"));
162 assertEquals(33, StringUtils.parseInt("33"));
163 assertEquals(33, StringUtils.parseInt("+33"));
164 assertEquals(-123, StringUtils.parseInt("-123"));
165 // too big for an int:
167 StringUtils.parseInt(String.valueOf(Integer.MAX_VALUE) + "1"));
170 @Test(groups = { "Functional" })
171 public void testCompareVersions()
173 assertEquals(0, StringUtils.compareVersions(null, null));
174 assertEquals(0, StringUtils.compareVersions("2.8.3", null));
177 * same version returns 0
179 assertEquals(0, StringUtils.compareVersions("2.8", "2.8"));
180 assertEquals(0, StringUtils.compareVersions("2.8.3", "2.8.3"));
181 assertEquals(0, StringUtils.compareVersions("2.8.3b1", "2.8.3b1", "b"));
182 assertEquals(0, StringUtils.compareVersions("2.8.3B1", "2.8.3b1", "b"));
183 assertEquals(0, StringUtils.compareVersions("2.8.3b1", "2.8.3B1", "b"));
188 assertEquals(-1, StringUtils.compareVersions("2.8.3", "2.8.4"));
189 assertEquals(-1, StringUtils.compareVersions("2.8.3", "2.9"));
190 assertEquals(-1, StringUtils.compareVersions("2.8.3", "2.9.2"));
191 assertEquals(-1, StringUtils.compareVersions("2.8", "2.8.3"));
192 assertEquals(-1, StringUtils.compareVersions("2.8.3", "2.8.3b1", "b"));
194 StringUtils.compareVersions("2.8.3b1", "2.8.3b2", "b"));
195 assertEquals(-1, StringUtils.compareVersions("2.8", "2.8.0", "b"));
196 assertEquals(-1, StringUtils.compareVersions("2", "12"));
197 assertEquals(-1, StringUtils.compareVersions("3.2.4", "3.12.11"));
202 assertEquals(1, StringUtils.compareVersions("2.8.3", "2.8"));
203 assertEquals(1, StringUtils.compareVersions("2.8.0", "2.8"));
204 assertEquals(1, StringUtils.compareVersions("2.8.4", "2.8.3"));
205 assertEquals(1, StringUtils.compareVersions("2.8.3b1", "2.8.3", "b"));
206 assertEquals(1, StringUtils.compareVersions("2.8.3", "2.8.2b1", "b"));
207 assertEquals(1, StringUtils.compareVersions("2.8.0b2", "2.8.0b1", "b"));
208 assertEquals(1, StringUtils.compareVersions("12", "2"));
209 assertEquals(1, StringUtils.compareVersions("3.12.11", "3.2.4"));
212 @Test(groups = { "Functional" })
213 public void testToSentenceCase()
215 assertEquals("John", StringUtils.toSentenceCase("john"));
216 assertEquals("John", StringUtils.toSentenceCase("JOHN"));
217 assertEquals("John and james",
218 StringUtils.toSentenceCase("JOHN and JAMES"));
219 assertEquals("J", StringUtils.toSentenceCase("j"));
220 assertEquals("", StringUtils.toSentenceCase(""));
221 assertNull(StringUtils.toSentenceCase(null));
224 @Test(groups = { "Functional" })
225 public void testStripHtmlTags()
227 assertNull(StringUtils.stripHtmlTags(null));
228 assertEquals("", StringUtils.stripHtmlTags(""));
229 assertEquals("<a href=\"something\">label</href>",
230 StringUtils.stripHtmlTags(
231 "<html><a href=\"something\">label</href></html>"));
233 // if no "<html>" tag, < and > get html-encoded (not sure why)
234 assertEquals("<a href=\"something\">label</href>",
236 .stripHtmlTags("<a href=\"something\">label</href>"));
238 // </body> gets removed but not <body> (is this intentional?)
239 assertEquals("<body><p>hello", StringUtils
240 .stripHtmlTags("<html><body><p>hello</body></html>"));
242 assertEquals("kdHydro < 12.53",
243 StringUtils.stripHtmlTags("kdHydro < 12.53"));
246 @Test(groups = { "Functional" })
247 public void testUrlEncode()
250 assertNull(StringUtils.urlEncode(null, ";,"));
251 assertEquals("", StringUtils.urlEncode("", ""));
252 assertEquals("", StringUtils.urlEncode("", ";,"));
254 // sanity checks, see
255 // https://en.wikipedia.org/wiki/Percent-encoding#Percent-encoding_reserved_characters
256 assertEquals("+", StringUtils.urlEncode(" ", " "));
257 assertEquals("%25", StringUtils.urlEncode("%", "%"));
258 assertEquals(".", StringUtils.urlEncode(".", ".")); // note . is not encoded
259 assertEquals("%3A", StringUtils.urlEncode(":", ":"));
260 assertEquals("%3B", StringUtils.urlEncode(";", ";"));
261 assertEquals("%3D", StringUtils.urlEncode("=", "="));
262 assertEquals("%2C", StringUtils.urlEncode(",", ","));
264 // check % does not get recursively encoded!
265 assertEquals("a%25b%3Dc%3Bd%3Ae%2C%2C",
266 StringUtils.urlEncode("a%b=c;d:e,,", "=,;:%"));
268 // = not in the list for encoding
269 assertEquals("a=b", StringUtils.urlEncode("a=b", ";,"));
271 // encode = (as %3B) and ; (as %3D)
272 assertEquals("a%3Db.c%3B", StringUtils.urlEncode("a=b.c;", ";=,"));
274 // . and space not in the list for encoding
275 assertEquals("a%3Db.c d", StringUtils.urlEncode("a=b.c d", ";=,"));
277 // encode space also (as +)
278 assertEquals("a%3Db.c+d", StringUtils.urlEncode("a=b.c d", ";=, "));
280 // . does not get encoded even if requested - behaviour of URLEncoder
281 assertEquals("a%3Db.c+d.e%3Df",
282 StringUtils.urlEncode("a=b.c d.e=f", ";=,. "));
285 @Test(groups = { "Functional" })
286 public void testUrlDecode()
289 assertNull(StringUtils.urlDecode(null, ";,"));
290 assertEquals("", StringUtils.urlDecode("", ""));
291 assertEquals("", StringUtils.urlDecode("", ";,"));
293 // = not in the list for encoding
294 assertEquals("a%3Db", StringUtils.urlDecode("a%3Db", ";,"));
296 // decode = and ; but not .
297 assertEquals("a=b%3Ec; d",
298 StringUtils.urlDecode("a%3Db%3Ec; d", ";=,"));
300 // space not in the list for decoding
301 assertEquals("a=b;c+d", StringUtils.urlDecode("a%3Db%3Bc+d", ";=,"));
303 // decode space also; %3E is not decoded to .
304 assertEquals("a=b%3Ec d=,",
305 StringUtils.urlDecode("a%3Db%3Ec+d%3D%2C", ";=, "));
307 // decode encoded % (%25)
308 assertEquals("a,=;\t%z",
309 StringUtils.urlDecode("a%2C%3D%3B%09%25z", ";=,\t%"));