/***********************************************************************************************************************
*
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
**********************************************************************************************************************/
package eu.stratosphere.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import eu.stratosphere.types.StringValue;
import eu.stratosphere.util.SimpleStringUtils.WhitespaceTokenizer;
public class SimpleStringUtilsTest {
@Test
public void testToLowerCaseConverting() {
StringValue testString = new StringValue("TEST");
SimpleStringUtils.toLowerCase(testString);
assertEquals(new StringValue("test"), testString);
}
@Test
public void testReplaceNonWordChars() {
StringValue testString = new StringValue("TEST123_@");
SimpleStringUtils.replaceNonWordChars(testString, '!');
assertEquals(new StringValue("TEST123_!"), testString);
}
@Test
public void testTokenizerOnStringWithoutNexToken() {
StringValue testString = new StringValue("test");
SimpleStringUtils.WhitespaceTokenizer tokenizer = new WhitespaceTokenizer();
tokenizer.setStringToTokenize(testString);
//first token
tokenizer.next(testString);
//next token is not exist
assertFalse(tokenizer.next(testString));
}
@Test
public void testTokenizerOnStringWithNexToken() {
StringValue testString = new StringValue("test test");
SimpleStringUtils.WhitespaceTokenizer tokenizer = new WhitespaceTokenizer();
tokenizer.setStringToTokenize(testString);
assertTrue(tokenizer.next(testString));
}
@Test
public void testTokenizerOnStringOnlyWithDelimiter() {
StringValue testString = new StringValue(" ");
SimpleStringUtils.WhitespaceTokenizer tokenizer = new WhitespaceTokenizer();
tokenizer.setStringToTokenize(testString);
assertFalse(tokenizer.next(testString));
}
}