test_code/StringUtilsTest.java

   1 package be.nikiroo.utils.test_code;
   2
   3 import java.util.Arrays;
   4 import java.util.Date;
   5 import java.util.HashMap;
   6 import java.util.List;
   7 import java.util.Map;
   8 import java.util.Map.Entry;
   9
  10 import be.nikiroo.utils.StringUtils;
  11 import be.nikiroo.utils.StringUtils.Alignment;
  12 import be.nikiroo.utils.test.TestCase;
  13 import be.nikiroo.utils.test.TestLauncher;
  14
  15 class StringUtilsTest extends TestLauncher {
  16         public StringUtilsTest(String[] args) {
  17                 super("StringUtils test", args);
  18
  19                 addTest(new TestCase("Time serialisation") {
  20                         @Override
  21                         public void test() throws Exception {
  22                                 for (long fullTime : new Long[] { 0l, 123456l, 123456000l,
  23                                                 new Date().getTime() }) {
  24                                         // precise to the second, no more
  25                                         long time = (fullTime / 1000) * 1000;
  26
  27                                         String displayTime = StringUtils.fromTime(time);
  28                                         assertNotNull("The stringified time for " + time
  29                                                         + " should not be null", displayTime);
  30                                         assertEquals("The stringified time for " + time
  31                                                         + " should not be empty", false, displayTime.trim()
  32                                                         .isEmpty());
  33
  34                                         assertEquals("The time " + time
  35                                                         + " should be loop-convertable", time,
  36                                                         StringUtils.toTime(displayTime));
  37
  38                                         assertEquals("The time " + displayTime
  39                                                         + " should be loop-convertable", displayTime,
  40                                                         StringUtils.fromTime(StringUtils
  41                                                                         .toTime(displayTime)));
  42                                 }
  43                         }
  44                 });
  45
  46                 addTest(new TestCase("MD5") {
  47                         @Override
  48                         public void test() throws Exception {
  49                                 String mess = "The String we got is not what 'md5sum' said it should heve been";
  50                                 assertEquals(mess, "34ded48fcff4221d644be9a37e1cb1d9",
  51                                                 StringUtils.getMd5Hash("fanfan la tulipe"));
  52                                 assertEquals(mess, "7691b0cb74ed0f94b4d8cd858abe1165",
  53                                                 StringUtils.getMd5Hash("je te do-o-o-o-o-o-nne"));
  54                         }
  55                 });
  56
  57                 addTest(new TestCase("Padding") {
  58                         @Override
  59                         public void test() throws Exception {
  60                                 for (String data : new String[] { "fanfan", "la tulipe",
  61                                                 "1234567890", "12345678901234567890", "1", "" }) {
  62                                         String result = StringUtils.padString(data, -1);
  63                                         assertEquals("A size of -1 is expected to produce a noop",
  64                                                         true, data.equals(result));
  65                                         for (int size : new Integer[] { 0, 1, 5, 10, 40 }) {
  66                                                 result = StringUtils.padString(data, size);
  67                                                 assertEquals(
  68                                                                 "Padding a String at a certain size should give a String of the given size",
  69                                                                 size, result.length());
  70                                                 assertEquals(
  71                                                                 "Padding a String should not change the content",
  72                                                                 true, data.trim().startsWith(result.trim()));
  73
  74                                                 result = StringUtils.padString(data, size, false, null);
  75                                                 assertEquals(
  76                                                                 "Padding a String without cutting should not shorten the String",
  77                                                                 true, data.length() <= result.length());
  78                                                 assertEquals(
  79                                                                 "Padding a String without cutting should keep the whole content",
  80                                                                 true, data.trim().equals(result.trim()));
  81
  82                                                 result = StringUtils.padString(data, size, false,
  83                                                                 Alignment.RIGHT);
  84                                                 if (size > data.length()) {
  85                                                         assertEquals(
  86                                                                         "Padding a String to the end should work as expected",
  87                                                                         true, result.endsWith(data));
  88                                                 }
  89
  90                                                 result = StringUtils.padString(data, size, false,
  91                                                                 Alignment.JUSTIFY);
  92                                                 if (size > data.length()) {
  93                                                         String unspacedData = data.trim();
  94                                                         String unspacedResult = result.trim();
  95                                                         for (int i = 0; i < size; i++) {
  96                                                                 unspacedData = unspacedData.replace("  ", " ");
  97                                                                 unspacedResult = unspacedResult.replace("  ",
  98                                                                                 " ");
  99                                                         }
 100
 101                                                         assertEquals(
 102                                                                         "Justified text trimmed with all spaces collapsed "
 103                                                                                         + "sould be identical to original text "
 104                                                                                         + "trimmed with all spaces collapsed",
 105                                                                         unspacedData, unspacedResult);
 106                                                 }
 107
 108                                                 result = StringUtils.padString(data, size, false,
 109                                                                 Alignment.CENTER);
 110                                                 if (size > data.length()) {
 111                                                         int before = 0;
 112                                                         for (int i = 0; i < result.length()
 113                                                                         && result.charAt(i) == ' '; i++) {
 114                                                                 before++;
 115                                                         }
 116
 117                                                         int after = 0;
 118                                                         for (int i = result.length() - 1; i >= 0
 119                                                                         && result.charAt(i) == ' '; i--) {
 120                                                                 after++;
 121                                                         }
 122
 123                                                         if (result.trim().isEmpty()) {
 124                                                                 after = before / 2;
 125                                                                 if (before > (2 * after)) {
 126                                                                         before = after + 1;
 127                                                                 } else {
 128                                                                         before = after;
 129                                                                 }
 130                                                         }
 131
 132                                                         assertEquals(
 133                                                                         "Padding a String on center should work as expected",
 134                                                                         result.length(), before + data.length()
 135                                                                                         + after);
 136                                                         assertEquals(
 137                                                                         "Padding a String on center should not uncenter the content",
 138                                                                         true, Math.abs(before - after) <= 1);
 139                                                 }
 140                                         }
 141                                 }
 142                         }
 143                 });
 144
 145                 addTest(new TestCase("Justifying") {
 146                         @Override
 147                         public void test() throws Exception {
 148                                 Map<String, Map<Integer, Entry<Alignment, List<String>>>> source = new HashMap<String, Map<Integer, Entry<Alignment, List<String>>>>();
 149                                 addValue(source, Alignment.LEFT, "testy", -1, "testy");
 150                                 addValue(source, Alignment.RIGHT, "testy", -1, "testy");
 151                                 addValue(source, Alignment.CENTER, "testy", -1, "testy");
 152                                 addValue(source, Alignment.JUSTIFY, "testy", -1, "testy");
 153                                 addValue(source, Alignment.LEFT, "testy", 5, "testy");
 154                                 addValue(source, Alignment.LEFT, "testy", 3, "te-", "sty");
 155                                 addValue(source, Alignment.LEFT,
 156                                                 "Un petit texte qui se mettra sur plusieurs lignes",
 157                                                 10, "Un petit", "texte qui", "se mettra", "sur",
 158                                                 "plusieurs", "lignes");
 159                                 addValue(source, Alignment.LEFT,
 160                                                 "Un petit texte qui se mettra sur plusieurs lignes", 7,
 161                                                 "Un", "petit", "texte", "qui se", "mettra", "sur",
 162                                                 "plusie-", "urs", "lignes");
 163                                 addValue(source, Alignment.RIGHT,
 164                                                 "Un petit texte qui se mettra sur plusieurs lignes", 7,
 165                                                 "     Un", "  petit", "  texte", " qui se", " mettra",
 166                                                 "    sur", "plusie-", "    urs", " lignes");
 167                                 addValue(source, Alignment.CENTER,
 168                                                 "Un petit texte qui se mettra sur plusieurs lignes", 7,
 169                                                 "  Un   ", " petit ", " texte ", "qui se ", "mettra ",
 170                                                 "  sur  ", "plusie-", "  urs  ", "lignes ");
 171                                 addValue(source, Alignment.JUSTIFY,
 172                                                 "Un petit texte qui se mettra sur plusieurs lignes", 7,
 173                                                 "Un pet-", "it tex-", "te  qui", "se met-", "tra sur",
 174                                                 "plusie-", "urs li-", "gnes");
 175                                 addValue(source, Alignment.JUSTIFY,
 176                                                 "Un petit texte qui se mettra sur plusieurs lignes",
 177                                                 14, "Un       petit", "texte  qui  se",
 178                                                 "mettra     sur", "plusieurs lig-", "nes");
 179                                 addValue(source, Alignment.JUSTIFY, "le dash-test", 9,
 180                                                 "le  dash-", "test");
 181
 182                                 for (String data : source.keySet()) {
 183                                         for (int size : source.get(data).keySet()) {
 184                                                 Alignment align = source.get(data).get(size).getKey();
 185                                                 List<String> values = source.get(data).get(size)
 186                                                                 .getValue();
 187
 188                                                 List<String> result = StringUtils.justifyText(data,
 189                                                                 size, align);
 190
 191                                                 // System.out.println("[" + data + " (" + size + ")" +
 192                                                 // "] -> [");
 193                                                 // for (int i = 0; i < result.size(); i++) {
 194                                                 // String resultLine = result.get(i);
 195                                                 // System.out.println(i + ": " + resultLine);
 196                                                 // }
 197                                                 // System.out.println("]");
 198
 199                                                 assertEquals(values, result);
 200                                         }
 201                                 }
 202                         }
 203                 });
 204
 205                 addTest(new TestCase("unhtml") {
 206                         @Override
 207                         public void test() throws Exception {
 208                                 Map<String, String> data = new HashMap<String, String>();
 209                                 data.put("aa", "aa");
 210                                 data.put("test with spaces ", "test with spaces ");
 211                                 data.put("<a href='truc://target/'>link</a>", "link");
 212                                 data.put("<html>Digimon</html>", "Digimon");
 213                                 data.put("", "");
 214                                 data.put(" ", " ");
 215
 216                                 for (Entry<String, String> entry : data.entrySet()) {
 217                                         String result = StringUtils.unhtml(entry.getKey());
 218                                         assertEquals("Result is not what we expected",
 219                                                         entry.getValue(), result);
 220                                 }
 221                         }
 222                 });
 223
 224                 addTest(new TestCase("zip64") {
 225                         @Override
 226                         public void test() throws Exception {
 227                                 String orig = "test";
 228                                 String zipped = StringUtils.zip64(orig);
 229                                 String unzipped = StringUtils.unzip64s(zipped);
 230                                 assertEquals(orig, unzipped);
 231                         }
 232                 });
 233
 234                 addTest(new TestCase("format/toNumber simple") {
 235                         @Override
 236                         public void test() throws Exception {
 237                                 assertEquals(263l, StringUtils.toNumber("263"));
 238                                 assertEquals(21200l, StringUtils.toNumber("21200"));
 239                                 assertEquals(0l, StringUtils.toNumber("0"));
 240                                 assertEquals("263", StringUtils.formatNumber(263l));
 241                                 assertEquals("21 k", StringUtils.formatNumber(21000l));
 242                                 assertEquals("0", StringUtils.formatNumber(0l));
 243                         }
 244                 });
 245
 246                 addTest(new TestCase("format/toNumber not 000") {
 247                         @Override
 248                         public void test() throws Exception {
 249                                 assertEquals(263200l, StringUtils.toNumber("263.2 k"));
 250                                 assertEquals(42000l, StringUtils.toNumber("42.0 k"));
 251                                 assertEquals(12000000l, StringUtils.toNumber("12 M"));
 252                                 assertEquals(2000000000l, StringUtils.toNumber("2 G"));
 253                                 assertEquals("263 k", StringUtils.formatNumber(263012l));
 254                                 assertEquals("42 k", StringUtils.formatNumber(42012l));
 255                                 assertEquals("12 M", StringUtils.formatNumber(12012121l));
 256                                 assertEquals("7 G", StringUtils.formatNumber(7364635928l));
 257                         }
 258                 });
 259
 260                 addTest(new TestCase("format/toNumber decimals") {
 261                         @Override
 262                         public void test() throws Exception {
 263                                 assertEquals(263200l, StringUtils.toNumber("263.2 k"));
 264                                 assertEquals(1200l, StringUtils.toNumber("1.2 k"));
 265                                 assertEquals(42700000l, StringUtils.toNumber("42.7 M"));
 266                                 assertEquals(1220l, StringUtils.toNumber("1.22 k"));
 267                                 assertEquals(1432l, StringUtils.toNumber("1.432 k"));
 268                                 assertEquals(6938l, StringUtils.toNumber("6.938 k"));
 269                                 assertEquals("1.3 k", StringUtils.formatNumber(1300l, 1));
 270                                 assertEquals("263.2020 k", StringUtils.formatNumber(263202l, 4));
 271                                 assertEquals("1.26 k", StringUtils.formatNumber(1267l, 2));
 272                                 assertEquals("42.7 M", StringUtils.formatNumber(42712121l, 1));
 273                                 assertEquals("5.09 G", StringUtils.formatNumber(5094837485l, 2));
 274                         }
 275                 });
 276         }
 277
 278         static private void addValue(
 279                         Map<String, Map<Integer, Entry<Alignment, List<String>>>> source,
 280                         final Alignment align, String input, int size,
 281                         final String... result) {
 282                 if (!source.containsKey(input)) {
 283                         source.put(input,
 284                                         new HashMap<Integer, Entry<Alignment, List<String>>>());
 285                 }
 286
 287                 source.get(input).put(size, new Entry<Alignment, List<String>>() {
 288                         @Override
 289                         public Alignment getKey() {
 290                                 return align;
 291                         }
 292
 293                         @Override
 294                         public List<String> getValue() {
 295                                 return Arrays.asList(result);
 296                         }
 297
 298                         @Override
 299                         public List<String> setValue(List<String> value) {
 300                                 return null;
 301                         }
 302                 });
 303         }
 304 }