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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 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.test.ESTestCase;
import org.elasticsearch.test.ESTokenStreamTestCase;
import org.junit.Assert;
import java.io.IOException;
import java.io.StringReader;
import static org.hamcrest.Matchers.instanceOf;
public class KeepFilterFactoryTests extends ESTokenStreamTestCase {
private static final String RESOURCE = "/org/elasticsearch/index/analysis/keep_analysis.json";
public void testLoadWithoutSettings() throws IOException {
ESTestCase.TestAnalysis analysis = AnalysisTestsHelper.createTestAnalysisFromClassPath(createTempDir(), RESOURCE);
TokenFilterFactory tokenFilter = analysis.tokenFilter.get("keep");
Assert.assertNull(tokenFilter);
}
public void testLoadOverConfiguredSettings() {
Settings settings = Settings.builder()
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString())
.put("index.analysis.filter.broken_keep_filter.type", "keep")
.put("index.analysis.filter.broken_keep_filter.keep_words_path", "does/not/exists.txt")
.put("index.analysis.filter.broken_keep_filter.keep_words", "[\"Hello\", \"worlD\"]")
.build();
try {
AnalysisTestsHelper.createTestAnalysisFromSettings(settings);
Assert.fail("path and array are configured");
} catch (IllegalArgumentException e) {
} catch (IOException e) {
fail("expected IAE");
}
}
public void testKeepWordsPathSettings() {
Settings settings = Settings.builder()
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString())
.put("index.analysis.filter.non_broken_keep_filter.type", "keep")
.put("index.analysis.filter.non_broken_keep_filter.keep_words_path", "does/not/exists.txt")
.build();
try {
// test our none existing setup is picked up
AnalysisTestsHelper.createTestAnalysisFromSettings(settings);
fail("expected an exception due to non existent keep_words_path");
} catch (IllegalArgumentException e) {
} catch (IOException e) {
fail("expected IAE");
}
settings = Settings.builder().put(settings)
.put("index.analysis.filter.non_broken_keep_filter.keep_words", new String[]{"test"})
.build();
try {
// test our none existing setup is picked up
AnalysisTestsHelper.createTestAnalysisFromSettings(settings);
fail("expected an exception indicating that you can't use [keep_words_path] with [keep_words] ");
} catch (IllegalArgumentException e) {
} catch (IOException e) {
fail("expected IAE");
}
}
public void testCaseInsensitiveMapping() throws IOException {
ESTestCase.TestAnalysis analysis = AnalysisTestsHelper.createTestAnalysisFromClassPath(createTempDir(), RESOURCE);
TokenFilterFactory tokenFilter = analysis.tokenFilter.get("my_keep_filter");
assertThat(tokenFilter, instanceOf(KeepWordFilterFactory.class));
String source = "hello small world";
String[] expected = new String[]{"hello", "world"};
Tokenizer tokenizer = new WhitespaceTokenizer();
tokenizer.setReader(new StringReader(source));
assertTokenStreamContents(tokenFilter.create(tokenizer), expected, new int[]{1, 2});
}
public void testCaseSensitiveMapping() throws IOException {
ESTestCase.TestAnalysis analysis = AnalysisTestsHelper.createTestAnalysisFromClassPath(createTempDir(), RESOURCE);
TokenFilterFactory tokenFilter = analysis.tokenFilter.get("my_case_sensitive_keep_filter");
assertThat(tokenFilter, instanceOf(KeepWordFilterFactory.class));
String source = "Hello small world";
String[] expected = new String[]{"Hello"};
Tokenizer tokenizer = new WhitespaceTokenizer();
tokenizer.setReader(new StringReader(source));
assertTokenStreamContents(tokenFilter.create(tokenizer), expected, new int[]{1});
}
}