package org.apache.lucene.analysis.ckb;
/*
* 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.
*/
import java.io.IOException;
import java.io.Reader;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.core.KeywordTokenizer;
/**
* Tests normalization for Sorani (this is more critical than stemming...)
*/
public class TestSoraniNormalizationFilter extends BaseTokenStreamTestCase {
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.KEYWORD, false);
return new TokenStreamComponents(tokenizer, new SoraniNormalizationFilter(tokenizer));
}
};
public void testY() throws Exception {
checkOneTerm(a, "\u064A", "\u06CC");
checkOneTerm(a, "\u0649", "\u06CC");
checkOneTerm(a, "\u06CC", "\u06CC");
}
public void testK() throws Exception {
checkOneTerm(a, "\u0643", "\u06A9");
checkOneTerm(a, "\u06A9", "\u06A9");
}
public void testH() throws Exception {
// initial
checkOneTerm(a, "\u0647\u200C", "\u06D5");
// medial
checkOneTerm(a, "\u0647\u200C\u06A9", "\u06D5\u06A9");
checkOneTerm(a, "\u06BE", "\u0647");
checkOneTerm(a, "\u0629", "\u06D5");
}
public void testFinalH() throws Exception {
// always (and in final form by def), so frequently omitted
checkOneTerm(a, "\u0647\u0647\u0647", "\u0647\u0647\u06D5");
}
public void testRR() throws Exception {
checkOneTerm(a, "\u0692", "\u0695");
}
public void testInitialRR() throws Exception {
// always, so frequently omitted
checkOneTerm(a, "\u0631\u0631\u0631", "\u0695\u0631\u0631");
}
public void testRemove() throws Exception {
checkOneTerm(a, "\u0640", "");
checkOneTerm(a, "\u064B", "");
checkOneTerm(a, "\u064C", "");
checkOneTerm(a, "\u064D", "");
checkOneTerm(a, "\u064E", "");
checkOneTerm(a, "\u064F", "");
checkOneTerm(a, "\u0650", "");
checkOneTerm(a, "\u0651", "");
checkOneTerm(a, "\u0652", "");
// we peek backwards in this case to look for h+200C, ensure this works
checkOneTerm(a, "\u200C", "");
}
public void testEmptyTerm() throws IOException {
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new KeywordTokenizer(reader);
return new TokenStreamComponents(tokenizer, new SoraniNormalizationFilter(tokenizer));
}
};
checkOneTerm(a, "", "");
}
}