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

   1 package be.nikiroo.utils.test;
   2
   3 import java.util.Date;
   4 import java.util.HashMap;
   5 import java.util.Map;
   6 import java.util.Map.Entry;
   7
   8 import be.nikiroo.utils.StringUtils;
   9 import be.nikiroo.utils.StringUtils.Alignment;
  10
  11 class StringUtilsTest extends TestLauncher {
  12         public StringUtilsTest(String[] args) {
  13                 super("StringUtils test", args);
  14
  15                 addTest(new TestCase("Time serialisation") {
  16                         @Override
  17                         public void test() throws Exception {
  18                                 for (long fullTime : new Long[] { 0l, 123456l, 123456000l,
  19                                                 new Date().getTime() }) {
  20                                         // precise to the second, no more
  21                                         long time = (fullTime / 1000) * 1000;
  22
  23                                         String displayTime = StringUtils.fromTime(time);
  24                                         assertNotNull("The stringified time for " + time
  25                                                         + " should not be null", displayTime);
  26                                         assertEquals("The stringified time for " + time
  27                                                         + " should not be empty", false, displayTime.trim()
  28                                                         .isEmpty());
  29
  30                                         assertEquals("The time " + time
  31                                                         + " should be loop-convertable", time,
  32                                                         StringUtils.toTime(displayTime));
  33
  34                                         assertEquals("The time " + displayTime
  35                                                         + " should be loop-convertable", displayTime,
  36                                                         StringUtils.fromTime(StringUtils
  37                                                                         .toTime(displayTime)));
  38                                 }
  39                         }
  40                 });
  41
  42                 addTest(new TestCase("MD5") {
  43                         @Override
  44                         public void test() throws Exception {
  45                                 String mess = "The String we got is not what 'md5sum' said it should heve been";
  46                                 assertEquals(mess, "34ded48fcff4221d644be9a37e1cb1d9",
  47                                                 StringUtils.getMd5Hash("fanfan la tulipe"));
  48                                 assertEquals(mess, "7691b0cb74ed0f94b4d8cd858abe1165",
  49                                                 StringUtils.getMd5Hash("je te do-o-o-o-o-o-nne"));
  50                         }
  51                 });
  52
  53                 addTest(new TestCase("Padding") {
  54                         @Override
  55                         public void test() throws Exception {
  56                                 for (String data : new String[] { "fanfan", "la tulipe",
  57                                                 "1234567890", "12345678901234567890", "1", "" }) {
  58                                         String result = StringUtils.padString(data, -1);
  59                                         assertEquals("A size of -1 is expected to produce a noop",
  60                                                         true, data.equals(result));
  61                                         for (int size : new Integer[] { 0, 1, 5, 10, 40 }) {
  62                                                 result = StringUtils.padString(data, size);
  63                                                 assertEquals(
  64                                                                 "Padding a String at a certain size should give a String of the given size",
  65                                                                 size, result.length());
  66                                                 assertEquals(
  67                                                                 "Padding a String should not change the content",
  68                                                                 true, data.trim().startsWith(result.trim()));
  69
  70                                                 result = StringUtils.padString(data, size, false, null);
  71                                                 assertEquals(
  72                                                                 "Padding a String without cutting should not shorten the String",
  73                                                                 true, data.length() <= result.length());
  74                                                 assertEquals(
  75                                                                 "Padding a String without cutting should keep the whole content",
  76                                                                 true, data.trim().equals(result.trim()));
  77
  78                                                 result = StringUtils.padString(data, size, false,
  79                                                                 Alignment.RIGHT);
  80                                                 if (size > data.length()) {
  81                                                         assertEquals(
  82                                                                         "Padding a String to the end should work as expected",
  83                                                                         true, result.endsWith(data));
  84                                                 }
  85
  86                                                 result = StringUtils.padString(data, size, false,
  87                                                                 Alignment.JUSTIFY);
  88                                                 if (size > data.length()) {
  89                                                         String unspacedData = data.trim();
  90                                                         String unspacedResult = result.trim();
  91                                                         for (int i = 0; i < size; i++) {
  92                                                                 unspacedData = unspacedData.replace("  ", " ");
  93                                                                 unspacedResult = unspacedResult.replace("  ",
  94                                                                                 " ");
  95                                                         }
  96
  97                                                         assertEquals(
  98                                                                         "Justified text trimmed with all spaces collapsed "
  99                                                                                         + "sould be identical to original text "
 100                                                                                         + "trimmed with all spaces collapsed",
 101                                                                         unspacedData, unspacedResult);
 102                                                 }
 103
 104                                                 result = StringUtils.padString(data, size, false,
 105                                                                 Alignment.CENTER);
 106                                                 if (size > data.length()) {
 107                                                         int before = 0;
 108                                                         for (int i = 0; i < result.length()
 109                                                                         && result.charAt(i) == ' '; i++) {
 110                                                                 before++;
 111                                                         }
 112
 113                                                         int after = 0;
 114                                                         for (int i = result.length() - 1; i >= 0
 115                                                                         && result.charAt(i) == ' '; i--) {
 116                                                                 after++;
 117                                                         }
 118
 119                                                         if (result.trim().isEmpty()) {
 120                                                                 after = before / 2;
 121                                                                 if (before > (2 * after)) {
 122                                                                         before = after + 1;
 123                                                                 } else {
 124                                                                         before = after;
 125                                                                 }
 126                                                         }
 127
 128                                                         assertEquals(
 129                                                                         "Padding a String on center should work as expected",
 130                                                                         result.length(), before + data.length()
 131                                                                                         + after);
 132                                                         assertEquals(
 133                                                                         "Padding a String on center should not uncenter the content",
 134                                                                         true, Math.abs(before - after) <= 1);
 135                                                 }
 136                                         }
 137                                 }
 138                         }
 139                 });
 140
 141                 addTest(new TestCase("Justifying") {
 142                         @Override
 143                         public void test() throws Exception {
 144                                 for (String data : new String[] {}) {
 145                                         // TODO: test it!
 146                                         // String result = StringUtils.justifyText(data, 5,
 147                                         // StringUtils.Alignment.LEFT);
 148                                 }
 149                         }
 150                 });
 151
 152                 addTest(new TestCase("unhtml") {
 153                         @Override
 154                         public void test() throws Exception {
 155                                 Map<String, String> data = new HashMap<String, String>();
 156                                 data.put("aa", "aa");
 157                                 data.put("test with spaces ", "test with spaces ");
 158                                 data.put("<a href='truc://target/'>link</a>", "link");
 159                                 data.put("<html>Digimon</html>", "Digimon");
 160                                 data.put("", "");
 161                                 data.put(" ", " ");
 162
 163                                 for (Entry<String, String> entry : data.entrySet()) {
 164                                         String result = StringUtils.unhtml(entry.getKey());
 165                                         assertEquals("Result is not what we expected",
 166                                                         entry.getValue(), result);
 167                                 }
 168                         }
 169                 });
 170
 171                 addTest(new TestCase("zip64") {
 172                         @Override
 173                         public void test() throws Exception {
 174                                 String orig = "test";
 175                                 String zipped = StringUtils.zip64(orig);
 176                                 String unzipped = StringUtils.unzip64(zipped);
 177                                 assertEquals(orig, unzipped);
 178                         }
 179                 });
 180         }
 181 }