org.argeo.slc.support/ext/test/org/argeo/slc/diff/LineTokenizerTest.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.slc.diff;
  17
  18 import java.util.List;
  19
  20 import junit.framework.TestCase;
  21
  22 public class LineTokenizerTest extends TestCase {
  23         public void testSimple() throws Exception {
  24                 testAndAssert("a,b,c", new String[] { "a", "b", "c" });
  25                 testAndAssert("hello,bonjour,hallo,priviet", new String[] { "hello",
  26                                 "bonjour", "hallo", "priviet" });
  27         }
  28
  29         public void testTricky() throws Exception {
  30                 testAndAssert("alone", new String[] { "alone" });
  31                 testAndAssert("", new String[] { "" });
  32
  33                 testAndAssert(",hello,bonjour,hallo,priviet", new String[] { "",
  34                                 "hello", "bonjour", "hallo", "priviet" });
  35                 testAndAssert("hello,bonjour,,hallo,priviet", new String[] { "hello",
  36                                 "bonjour", "", "hallo", "priviet" });
  37                 testAndAssert("hello,bonjour,hallo,priviet,", new String[] { "hello",
  38                                 "bonjour", "hallo", "priviet", "" });
  39                 testAndAssert(",hello,,bonjour,hallo,,,,priviet,", new String[] { "",
  40                                 "hello", "", "bonjour", "hallo", "", "", "", "priviet", "" });
  41
  42                 testAndAssert(",,,", new String[] { "", "", "", "" });
  43         }
  44
  45         public void testComplex() throws Exception {
  46                 testAndAssert("a#b#c", '#', "", new String[] { "a", "b", "c" });
  47                 testAndAssert("hello!bonjour!hallo!priviet", '!', "", new String[] {
  48                                 "hello", "bonjour", "hallo", "priviet" });
  49
  50                 testAndAssert("hello,,bonjour,,hallo,priviet", ',', "<EMPTY>",
  51                                 new String[] { "hello", "<EMPTY>", "bonjour", "<EMPTY>",
  52                                                 "hallo", "priviet" });
  53         }
  54
  55         private void testAndAssert(String str, String[] expected) {
  56                 testAndAssert(str, ',', "", expected);
  57         }
  58
  59         private void testAndAssert(String str, Character sep, String noValueStr,
  60                         String[] expected) {
  61                 List<String> res = LineTokenizer.tokenize(str, sep, noValueStr);
  62                 assertEquals("Size", expected.length, res.size());
  63                 for (int i = 0; i < res.size(); i++) {
  64                         String token = res.get(i);
  65                         assertEquals("Value@" + i, expected[i], token);
  66                 }
  67         }
  68 }