package org.elasticsearch.index.analysis;
/*
* 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.
*/
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.CharArraySet;
import org.elasticsearch.test.ESTokenStreamTestCase;
public class FingerprintAnalyzerTests extends ESTokenStreamTestCase {
public void testFingerprint() throws Exception {
Analyzer a = new FingerprintAnalyzer(CharArraySet.EMPTY_SET, ' ', 255);
assertAnalyzesTo(a, "foo bar@baz Baz $ foo foo FOO. FoO",
new String[]{"bar baz foo"});
}
public void testReusableTokenStream() throws Exception {
Analyzer a = new FingerprintAnalyzer(CharArraySet.EMPTY_SET, ' ', 255);
assertAnalyzesTo(a, "foo bar baz Baz foo foo FOO. FoO",
new String[]{"bar baz foo"});
assertAnalyzesTo(a, "xyz XYZ abc 123.2 abc",
new String[]{"123.2 abc xyz"});
}
public void testAsciifolding() throws Exception {
Analyzer a = new FingerprintAnalyzer(CharArraySet.EMPTY_SET, ' ', 255);
assertAnalyzesTo(a, "gödel escher bach",
new String[]{"bach escher godel"});
assertAnalyzesTo(a, "gödel godel escher bach",
new String[]{"bach escher godel"});
}
public void testLimit() throws Exception {
Analyzer a = new FingerprintAnalyzer(CharArraySet.EMPTY_SET, ' ', 3);
assertAnalyzesTo(a, "e d c b a",
new String[]{});
assertAnalyzesTo(a, "b a",
new String[]{"a b"});
}
}