org.argeo.slc.core/src/test/java/org/argeo/slc/diff/LineTokenizerTest.java

   1 package org.argeo.slc.diff;
   2
   3 import java.util.List;
   4
   5 import junit.framework.TestCase;
   6
   7 public class LineTokenizerTest extends TestCase {
   8         public void testSimple() throws Exception {
   9                 testAndAssert("a,b,c", new String[] { "a", "b", "c" });
  10                 testAndAssert("hello,bonjour,hallo,priviet", new String[] { "hello",
  11                                 "bonjour", "hallo", "priviet" });
  12         }
  13
  14         public void testTricky() throws Exception {
  15                 testAndAssert("alone", new String[] { "alone" });
  16                 testAndAssert("", new String[] { "" });
  17
  18                 testAndAssert(",hello,bonjour,hallo,priviet", new String[] { "",
  19                                 "hello", "bonjour", "hallo", "priviet" });
  20                 testAndAssert("hello,bonjour,,hallo,priviet", new String[] { "hello",
  21                                 "bonjour", "", "hallo", "priviet" });
  22                 testAndAssert("hello,bonjour,hallo,priviet,", new String[] { "hello",
  23                                 "bonjour", "hallo", "priviet", "" });
  24                 testAndAssert(",hello,,bonjour,hallo,,,,priviet,", new String[] { "",
  25                                 "hello", "", "bonjour", "hallo", "", "", "", "priviet", "" });
  26
  27                 testAndAssert(",,,", new String[] { "", "", "", "" });
  28         }
  29
  30         public void testComplex() throws Exception {
  31                 testAndAssert("a#b#c", '#', "", new String[] { "a", "b", "c" });
  32                 testAndAssert("hello!bonjour!hallo!priviet", '!', "", new String[] {
  33                                 "hello", "bonjour", "hallo", "priviet" });
  34
  35                 testAndAssert("hello,,bonjour,,hallo,priviet", ',', "<EMPTY>",
  36                                 new String[] { "hello", "<EMPTY>", "bonjour", "<EMPTY>",
  37                                                 "hallo", "priviet" });
  38         }
  39
  40         private void testAndAssert(String str, String[] expected) {
  41                 testAndAssert(str, ',', "", expected);
  42         }
  43
  44         private void testAndAssert(String str, Character sep, String noValueStr,
  45                         String[] expected) {
  46                 List<String> res = LineTokenizer.tokenize(str, sep, noValueStr);
  47                 assertEquals("Size", expected.length, res.size());
  48                 for (int i = 0; i < res.size(); i++) {
  49                         String token = res.get(i);
  50                         assertEquals("Value@" + i, expected[i], token);
  51                 }
  52         }
  53 }