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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.analysis.common;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.core.WhitespaceTokenizer;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.Environment;
import org.elasticsearch.index.analysis.AnalysisTestsHelper;
import org.elasticsearch.index.analysis.TokenFilterFactory;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.test.ESTokenStreamTestCase;
import java.io.IOException;
import java.io.StringReader;
/**
* Base class to test {@link WordDelimiterTokenFilterFactory} and
* {@link WordDelimiterGraphTokenFilterFactory}.
*/
public abstract class BaseWordDelimiterTokenFilterFactoryTestCase extends ESTokenStreamTestCase {
final String type;
public BaseWordDelimiterTokenFilterFactoryTestCase(String type) {
this.type = type;
}
public void testDefault() throws IOException {
ESTestCase.TestAnalysis analysis = AnalysisTestsHelper.createTestAnalysisFromSettings(
Settings.builder()
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString())
.put("index.analysis.filter.my_word_delimiter.type", type)
.build(),
new CommonAnalysisPlugin());
TokenFilterFactory tokenFilter = analysis.tokenFilter.get("my_word_delimiter");
String source = "PowerShot 500-42 wi-fi wi-fi-4000 j2se O'Neil's";
String[] expected = new String[]{"Power", "Shot", "500", "42", "wi", "fi", "wi",
"fi", "4000", "j", "2", "se", "O", "Neil"};
Tokenizer tokenizer = new WhitespaceTokenizer();
tokenizer.setReader(new StringReader(source));
assertTokenStreamContents(tokenFilter.create(tokenizer), expected);
}
public void testCatenateWords() throws IOException {
ESTestCase.TestAnalysis analysis = AnalysisTestsHelper.createTestAnalysisFromSettings(
Settings.builder()
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString())
.put("index.analysis.filter.my_word_delimiter.type", type)
.put("index.analysis.filter.my_word_delimiter.catenate_words", "true")
.put("index.analysis.filter.my_word_delimiter.generate_word_parts", "false")
.build(),
new CommonAnalysisPlugin());
TokenFilterFactory tokenFilter = analysis.tokenFilter.get("my_word_delimiter");
String source = "PowerShot 500-42 wi-fi wi-fi-4000 j2se O'Neil's";
String[] expected = new String[] { "PowerShot", "500", "42", "wifi", "wifi", "4000", "j",
"2", "se", "ONeil" };
Tokenizer tokenizer = new WhitespaceTokenizer();
tokenizer.setReader(new StringReader(source));
assertTokenStreamContents(tokenFilter.create(tokenizer), expected);
}
public void testCatenateNumbers() throws IOException {
ESTestCase.TestAnalysis analysis = AnalysisTestsHelper.createTestAnalysisFromSettings(
Settings.builder()
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString())
.put("index.analysis.filter.my_word_delimiter.type", type)
.put("index.analysis.filter.my_word_delimiter.generate_number_parts", "false")
.put("index.analysis.filter.my_word_delimiter.catenate_numbers", "true")
.build(),
new CommonAnalysisPlugin());
TokenFilterFactory tokenFilter = analysis.tokenFilter.get("my_word_delimiter");
String source = "PowerShot 500-42 wi-fi wi-fi-4000 j2se O'Neil's";
String[] expected = new String[] { "Power", "Shot", "50042", "wi", "fi", "wi", "fi", "4000",
"j", "2", "se", "O", "Neil" };
Tokenizer tokenizer = new WhitespaceTokenizer();
tokenizer.setReader(new StringReader(source));
assertTokenStreamContents(tokenFilter.create(tokenizer), expected);
}
public void testCatenateAll() throws IOException {
ESTestCase.TestAnalysis analysis = AnalysisTestsHelper.createTestAnalysisFromSettings(
Settings.builder()
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString())
.put("index.analysis.filter.my_word_delimiter.type", type)
.put("index.analysis.filter.my_word_delimiter.generate_word_parts", "false")
.put("index.analysis.filter.my_word_delimiter.generate_number_parts", "false")
.put("index.analysis.filter.my_word_delimiter.catenate_all", "true")
.build(),
new CommonAnalysisPlugin());
TokenFilterFactory tokenFilter = analysis.tokenFilter.get("my_word_delimiter");
String source = "PowerShot 500-42 wi-fi wi-fi-4000 j2se O'Neil's";
String[] expected = new String[]{"PowerShot", "50042", "wifi", "wifi4000", "j2se", "ONeil"};
Tokenizer tokenizer = new WhitespaceTokenizer();
tokenizer.setReader(new StringReader(source));
assertTokenStreamContents(tokenFilter.create(tokenizer), expected);
}
public void testSplitOnCaseChange() throws IOException {
ESTestCase.TestAnalysis analysis = AnalysisTestsHelper.createTestAnalysisFromSettings(
Settings.builder()
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString())
.put("index.analysis.filter.my_word_delimiter.type", type)
.put("index.analysis.filter.my_word_delimiter.split_on_case_change", "false")
.build(),
new CommonAnalysisPlugin());
TokenFilterFactory tokenFilter = analysis.tokenFilter.get("my_word_delimiter");
String source = "PowerShot";
String[] expected = new String[]{"PowerShot"};
Tokenizer tokenizer = new WhitespaceTokenizer();
tokenizer.setReader(new StringReader(source));
assertTokenStreamContents(tokenFilter.create(tokenizer), expected);
}
public void testPreserveOriginal() throws IOException {
ESTestCase.TestAnalysis analysis = AnalysisTestsHelper.createTestAnalysisFromSettings(
Settings.builder()
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString())
.put("index.analysis.filter.my_word_delimiter.type", type)
.put("index.analysis.filter.my_word_delimiter.preserve_original", "true")
.build(),
new CommonAnalysisPlugin());
TokenFilterFactory tokenFilter = analysis.tokenFilter.get("my_word_delimiter");
String source = "PowerShot 500-42 wi-fi wi-fi-4000 j2se O'Neil's";
String[] expected = new String[] { "PowerShot", "Power", "Shot", "500-42", "500", "42",
"wi-fi", "wi", "fi", "wi-fi-4000", "wi", "fi", "4000", "j2se", "j", "2", "se",
"O'Neil's", "O", "Neil" };
Tokenizer tokenizer = new WhitespaceTokenizer();
tokenizer.setReader(new StringReader(source));
assertTokenStreamContents(tokenFilter.create(tokenizer), expected);
}
public void testStemEnglishPossessive() throws IOException {
ESTestCase.TestAnalysis analysis = AnalysisTestsHelper.createTestAnalysisFromSettings(
Settings.builder()
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString())
.put("index.analysis.filter.my_word_delimiter.type", type)
.put("index.analysis.filter.my_word_delimiter.stem_english_possessive", "false")
.build(),
new CommonAnalysisPlugin());
TokenFilterFactory tokenFilter = analysis.tokenFilter.get("my_word_delimiter");
String source = "PowerShot 500-42 wi-fi wi-fi-4000 j2se O'Neil's";
String[] expected = new String[] { "Power", "Shot", "500", "42", "wi", "fi", "wi", "fi",
"4000", "j", "2", "se", "O", "Neil", "s" };
Tokenizer tokenizer = new WhitespaceTokenizer();
tokenizer.setReader(new StringReader(source));
assertTokenStreamContents(tokenFilter.create(tokenizer), expected);
}
}