src/be/nikiroo/utils/test/StringUtilsTest.java

   1 package be.nikiroo.utils.test;
   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
  13 class StringUtilsTest extends TestLauncher {
  14         public StringUtilsTest(String[] args) {
  15                 super("StringUtils test", args);
  16
  17                 addTest(new TestCase("Time serialisation") {
  18                         @Override
  19                         public void test() throws Exception {
  20                                 for (long fullTime : new Long[] { 0l, 123456l, 123456000l,
  21                                                 new Date().getTime() }) {
  22                                         // precise to the second, no more
  23                                         long time = (fullTime / 1000) * 1000;
  24
  25                                         String displayTime = StringUtils.fromTime(time);
  26                                         assertNotNull("The stringified time for " + time
  27                                                         + " should not be null", displayTime);
  28                                         assertEquals("The stringified time for " + time
  29                                                         + " should not be empty", false, displayTime.trim()
  30                                                         .isEmpty());
  31
  32                                         assertEquals("The time " + time
  33                                                         + " should be loop-convertable", time,
  34                                                         StringUtils.toTime(displayTime));
  35
  36                                         assertEquals("The time " + displayTime
  37                                                         + " should be loop-convertable", displayTime,
  38                                                         StringUtils.fromTime(StringUtils
  39                                                                         .toTime(displayTime)));
  40                                 }
  41                         }
  42                 });
  43
  44                 addTest(new TestCase("MD5") {
  45                         @Override
  46                         public void test() throws Exception {
  47                                 String mess = "The String we got is not what 'md5sum' said it should heve been";
  48                                 assertEquals(mess, "34ded48fcff4221d644be9a37e1cb1d9",
  49                                                 StringUtils.getMd5Hash("fanfan la tulipe"));
  50                                 assertEquals(mess, "7691b0cb74ed0f94b4d8cd858abe1165",
  51                                                 StringUtils.getMd5Hash("je te do-o-o-o-o-o-nne"));
  52                         }
  53                 });
  54
  55                 addTest(new TestCase("Padding") {
  56                         @Override
  57                         public void test() throws Exception {
  58                                 for (String data : new String[] { "fanfan", "la tulipe",
  59                                                 "1234567890", "12345678901234567890", "1", "" }) {
  60                                         String result = StringUtils.padString(data, -1);
  61                                         assertEquals("A size of -1 is expected to produce a noop",
  62                                                         true, data.equals(result));
  63                                         for (int size : new Integer[] { 0, 1, 5, 10, 40 }) {
  64                                                 result = StringUtils.padString(data, size);
  65                                                 assertEquals(
  66                                                                 "Padding a String at a certain size should give a String of the given size",
  67                                                                 size, result.length());
  68                                                 assertEquals(
  69                                                                 "Padding a String should not change the content",
  70                                                                 true, data.trim().startsWith(result.trim()));
  71
  72                                                 result = StringUtils.padString(data, size, false, null);
  73                                                 assertEquals(
  74                                                                 "Padding a String without cutting should not shorten the String",
  75                                                                 true, data.length() <= result.length());
  76                                                 assertEquals(
  77                                                                 "Padding a String without cutting should keep the whole content",
  78                                                                 true, data.trim().equals(result.trim()));
  79
  80                                                 result = StringUtils.padString(data, size, false,
  81                                                                 Alignment.RIGHT);
  82                                                 if (size > data.length()) {
  83                                                         assertEquals(
  84                                                                         "Padding a String to the end should work as expected",
  85                                                                         true, result.endsWith(data));
  86                                                 }
  87
  88                                                 result = StringUtils.padString(data, size, false,
  89                                                                 Alignment.JUSTIFY);
  90                                                 if (size > data.length()) {
  91                                                         String unspacedData = data.trim();
  92                                                         String unspacedResult = result.trim();
  93                                                         for (int i = 0; i < size; i++) {
  94                                                                 unspacedData = unspacedData.replace("  ", " ");
  95                                                                 unspacedResult = unspacedResult.replace("  ",
  96                                                                                 " ");
  97                                                         }
  98
  99                                                         assertEquals(
 100                                                                         "Justified text trimmed with all spaces collapsed "
 101                                                                                         + "sould be identical to original text "
 102                                                                                         + "trimmed with all spaces collapsed",
 103                                                                         unspacedData, unspacedResult);
 104                                                 }
 105
 106                                                 result = StringUtils.padString(data, size, false,
 107                                                                 Alignment.CENTER);
 108                                                 if (size > data.length()) {
 109                                                         int before = 0;
 110                                                         for (int i = 0; i < result.length()
 111                                                                         && result.charAt(i) == ' '; i++) {
 112                                                                 before++;
 113                                                         }
 114
 115                                                         int after = 0;
 116                                                         for (int i = result.length() - 1; i >= 0
 117                                                                         && result.charAt(i) == ' '; i--) {
 118                                                                 after++;
 119                                                         }
 120
 121                                                         if (result.trim().isEmpty()) {
 122                                                                 after = before / 2;
 123                                                                 if (before > (2 * after)) {
 124                                                                         before = after + 1;
 125                                                                 } else {
 126                                                                         before = after;
 127                                                                 }
 128                                                         }
 129
 130                                                         assertEquals(
 131                                                                         "Padding a String on center should work as expected",
 132                                                                         result.length(), before + data.length()
 133                                                                                         + after);
 134                                                         assertEquals(
 135                                                                         "Padding a String on center should not uncenter the content",
 136                                                                         true, Math.abs(before - after) <= 1);
 137                                                 }
 138                                         }
 139                                 }
 140                         }
 141                 });
 142
 143                 addTest(new TestCase("Justifying") {
 144                         @Override
 145                         public void test() throws Exception {
 146                                 Map<String, Map<Integer, Entry<Alignment, List<String>>>> source = new HashMap<String, Map<Integer, Entry<Alignment, List<String>>>>();
 147                                 addValue(source, Alignment.LEFT, "testy", 5, "testy");
 148                                 addValue(source, Alignment.LEFT, "testy", 3, "te-", "sty");
 149                                 addValue(source, Alignment.LEFT,
 150                                                 "Un petit texte qui se mettra sur plusieurs lignes",
 151                                                 10, "Un petit", "texte qui", "se mettra", "sur",
 152                                                 "plusieurs", "lignes");
 153                                 addValue(source, Alignment.LEFT,
 154                                                 "Un petit texte qui se mettra sur plusieurs lignes", 7,
 155                                                 "Un", "petit", "texte", "qui se", "mettra", "sur",
 156                                                 "plusie-", "urs", "lignes");
 157                                 addValue(source, Alignment.RIGHT,
 158                                                 "Un petit texte qui se mettra sur plusieurs lignes", 7,
 159                                                 "     Un", "  petit", "  texte", " qui se", " mettra",
 160                                                 "    sur", "plusie-", "    urs", " lignes");
 161                                 addValue(source, Alignment.CENTER,
 162                                                 "Un petit texte qui se mettra sur plusieurs lignes", 7,
 163                                                 "  Un   ", " petit ", " texte ", "qui se ", "mettra ",
 164                                                 "  sur  ", "plusie-", "  urs  ", "lignes ");
 165                                 addValue(source, Alignment.JUSTIFY,
 166                                                 "Un petit texte qui se mettra sur plusieurs lignes", 7,
 167                                                 "Un", "petit", "texte", "qui  se", "mettra", "sur",
 168                                                 "plusie-", "urs", "lignes");
 169                                 addValue(source, Alignment.JUSTIFY,
 170                                                 "Un petit texte qui se mettra sur plusieurs lignes",
 171                                                 14, "Un       petit", "texte  qui  se",
 172                                                 "mettra     sur", "plusieurs lig-", "nes");
 173
 174                                 System.out.println();
 175                                 for (String data : source.keySet()) {
 176                                         for (int size : source.get(data).keySet()) {
 177                                                 Alignment align = source.get(data).get(size).getKey();
 178                                                 List<String> values = source.get(data).get(size)
 179                                                                 .getValue();
 180
 181                                                 List<String> result = StringUtils.justifyText(data,
 182                                                                 size, align);
 183
 184                                                 System.out.println("[" + data + " (" + size + ")"
 185                                                                 + "] -> [");
 186                                                 for (int i = 0; i < result.size(); i++) {
 187                                                         String resultLine = result.get(i);
 188                                                         System.out.println(i + ": " + resultLine);
 189                                                 }
 190                                                 System.out.println("]");
 191
 192                                                 for (int i = 0; i < result.size() && i < values.size(); i++) {
 193                                                         assertEquals("The line " + i + " is not correct",
 194                                                                         values.get(i), result.get(i));
 195                                                 }
 196                                         }
 197                                 }
 198                                 System.out.println();
 199                         }
 200                 });
 201
 202                 addTest(new TestCase("unhtml") {
 203                         @Override
 204                         public void test() throws Exception {
 205                                 Map<String, String> data = new HashMap<String, String>();
 206                                 data.put("aa", "aa");
 207                                 data.put("test with spaces ", "test with spaces ");
 208                                 data.put("<a href='truc://target/'>link</a>", "link");
 209                                 data.put("<html>Digimon</html>", "Digimon");
 210                                 data.put("", "");
 211                                 data.put(" ", " ");
 212
 213                                 for (Entry<String, String> entry : data.entrySet()) {
 214                                         String result = StringUtils.unhtml(entry.getKey());
 215                                         assertEquals("Result is not what we expected",
 216                                                         entry.getValue(), result);
 217                                 }
 218                         }
 219                 });
 220
 221                 addTest(new TestCase("zip64") {
 222                         @Override
 223                         public void test() throws Exception {
 224                                 String orig = "test";
 225                                 String zipped = StringUtils.zip64(orig);
 226                                 String unzipped = StringUtils.unzip64(zipped);
 227                                 assertEquals(orig, unzipped);
 228                         }
 229                 });
 230         }
 231
 232         static private void addValue(
 233                         Map<String, Map<Integer, Entry<Alignment, List<String>>>> source,
 234                         final Alignment align, String input, int size,
 235                         final String... result) {
 236                 if (!source.containsKey(input)) {
 237                         source.put(input,
 238                                         new HashMap<Integer, Entry<Alignment, List<String>>>());
 239                 }
 240
 241                 source.get(input).put(size, new Entry<Alignment, List<String>>() {
 242                         @Override
 243                         public Alignment getKey() {
 244                                 return align;
 245                         }
 246
 247                         @Override
 248                         public List<String> getValue() {
 249                                 return Arrays.asList(result);
 250                         }
 251
 252                         @Override
 253                         public List<String> setValue(List<String> value) {
 254                                 return null;
 255                         }
 256                 });
 257         }
 258 }