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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.index.analysis;
import com.ibm.icu.text.Normalizer2;
import org.apache.lucene.analysis.CharFilter;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.test.ESTestCase;
import java.io.StringReader;
import static org.elasticsearch.index.analysis.AnalysisTestUtils.createAnalysisService;
/**
* Test
*/
public class SimpleIcuNormalizerCharFilterTests extends ESTestCase {
public void testDefaultSetting() throws Exception {
Settings settings = Settings.settingsBuilder()
.put("path.home", createTempDir())
.put("index.analysis.char_filter.myNormalizerChar.type", "icu_normalizer")
.build();
AnalysisService analysisService = createAnalysisService(settings);
CharFilterFactory charFilterFactory = analysisService.charFilter("myNormalizerChar");
String input = "ʰ㌰゙5℃№㈱㌘，バッファーの正規化のテスト．㋐㋑㋒㋓㋔ｶｷｸｹｺｻﾞｼﾞｽﾞｾﾞｿﾞg̈각/각நிเกषिchkʷक्षि";
Normalizer2 normalizer = Normalizer2.getInstance(null, "nfkc_cf", Normalizer2.Mode.COMPOSE);
String expectedOutput = normalizer.normalize(input);
CharFilter inputReader = (CharFilter) charFilterFactory.create(new StringReader(input));
char[] tempBuff = new char[10];
StringBuilder output = new StringBuilder();
while (true) {
int length = inputReader.read(tempBuff);
if (length == -1) break;
output.append(tempBuff, 0, length);
assertEquals(output.toString(), normalizer.normalize(input.substring(0, inputReader.correctOffset(output.length()))));
}
assertEquals(expectedOutput, output.toString());
}
public void testNameAndModeSetting() throws Exception {
Settings settings = Settings.settingsBuilder()
.put("path.home", createTempDir())
.put("index.analysis.char_filter.myNormalizerChar.type", "icu_normalizer")
.put("index.analysis.char_filter.myNormalizerChar.name", "nfkc")
.put("index.analysis.char_filter.myNormalizerChar.mode", "decompose")
.build();
AnalysisService analysisService = createAnalysisService(settings);
CharFilterFactory charFilterFactory = analysisService.charFilter("myNormalizerChar");
String input = "ʰ㌰゙5℃№㈱㌘，バッファーの正規化のテスト．㋐㋑㋒㋓㋔ｶｷｸｹｺｻﾞｼﾞｽﾞｾﾞｿﾞg̈각/각நிเกषिchkʷक्षि";
Normalizer2 normalizer = Normalizer2.getInstance(null, "nfkc", Normalizer2.Mode.DECOMPOSE);
String expectedOutput = normalizer.normalize(input);
CharFilter inputReader = (CharFilter) charFilterFactory.create(new StringReader(input));
char[] tempBuff = new char[10];
StringBuilder output = new StringBuilder();
while (true) {
int length = inputReader.read(tempBuff);
if (length == -1) break;
output.append(tempBuff, 0, length);
assertEquals(output.toString(), normalizer.normalize(input.substring(0, inputReader.correctOffset(output.length()))));
}
assertEquals(expectedOutput, output.toString());
}
}
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