/**
* 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.lucene.analysis.pattern;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.core.WhitespaceTokenizer;
import java.io.StringReader;
import java.util.regex.Pattern;
/**
* @version $Id:$
*/
public class TestPatternReplaceFilter extends BaseTokenStreamTestCase {
public void testReplaceAll() throws Exception {
String input = "aabfooaabfooabfoob ab caaaaaaaaab";
TokenStream ts = new PatternReplaceFilter
(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader(input)),
Pattern.compile("a*b"),
"-", true);
assertTokenStreamContents(ts,
new String[] { "-foo-foo-foo-", "-", "c-" });
}
public void testReplaceFirst() throws Exception {
String input = "aabfooaabfooabfoob ab caaaaaaaaab";
TokenStream ts = new PatternReplaceFilter
(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader(input)),
Pattern.compile("a*b"),
"-", false);
assertTokenStreamContents(ts,
new String[] { "-fooaabfooabfoob", "-", "c-" });
}
public void testStripFirst() throws Exception {
String input = "aabfooaabfooabfoob ab caaaaaaaaab";
TokenStream ts = new PatternReplaceFilter
(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader(input)),
Pattern.compile("a*b"),
null, false);
assertTokenStreamContents(ts,
new String[] { "fooaabfooabfoob", "", "c" });
}
public void testStripAll() throws Exception {
String input = "aabfooaabfooabfoob ab caaaaaaaaab";
TokenStream ts = new PatternReplaceFilter
(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader(input)),
Pattern.compile("a*b"),
null, true);
assertTokenStreamContents(ts,
new String[] { "foofoofoo", "", "c" });
}
public void testReplaceAllWithBackRef() throws Exception {
String input = "aabfooaabfooabfoob ab caaaaaaaaab";
TokenStream ts = new PatternReplaceFilter
(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader(input)),
Pattern.compile("(a*)b"),
"$1\\$", true);
assertTokenStreamContents(ts,
new String[] { "aa$fooaa$fooa$foo$", "a$", "caaaaaaaaa$" });
}
}