/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.pig.piggybank.test.evaluation.string;
import junit.framework.TestCase;
import org.apache.pig.data.Tuple;
import org.apache.pig.data.TupleFactory;
import org.apache.pig.piggybank.evaluation.string.RegexExtract;
import org.apache.pig.piggybank.evaluation.string.RegexMatch;
import org.junit.Test;
public class TestRegex extends TestCase {
@Test
public void testRegexMatch() throws Exception {
Tuple t1 = TupleFactory.getInstance().newTuple(2);
t1.set(0, "/search/iy/xxx");
t1.set(1, "^\\/search\\/iy\\/.*");
Tuple t2 = TupleFactory.getInstance().newTuple(2);
t2.set(0, "http://yahoo.com");
t2.set(1, "^\\/search\\/iy\\/.*");
Tuple t3 = TupleFactory.getInstance().newTuple(2);
t3.set(0, null);
t3.set(1, "^\\/search\\/iy\\/.*");
RegexMatch func = new RegexMatch();
Integer r = func.exec(t1);
assertTrue(r==1);
r = func.exec(t2);
assertTrue(r==0);
r = func.exec(t3);
assertTrue(r==null);
}
@Test
public void testRegexExtract() throws Exception {
Tuple t1 = TupleFactory.getInstance().newTuple(3);
t1.set(0, "/search/iy/term1/test");
t1.set(1, "^\\/search\\/iy\\/(.*?)\\/.*");
t1.set(2, 1);
Tuple t2 = TupleFactory.getInstance().newTuple(3);
t2.set(0, "/search/iy/term1/test");
t2.set(1, "^\\/search\\/iy\\/(.*?)\\/.*");
t2.set(2, 2);
Tuple t3 = TupleFactory.getInstance().newTuple(3);
t3.set(0, null);
t3.set(1, "^\\/search\\/iy\\/(.*?)\\/.*");
t3.set(2, 2);
RegexExtract func = new RegexExtract();
String r = func.exec(t1);
assertTrue(r.equals("term1"));
r = func.exec(t2);
assertTrue(r==null);
r = func.exec(t3);
assertTrue(r==null);
}
}