| /* |
| * 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. |
| */ |
| package org.apache.lucene.analysis.pattern; |
| |
| import java.io.IOException; |
| import java.util.regex.Pattern; |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.CannedTokenStream; |
| import org.apache.lucene.analysis.Token; |
| import org.apache.lucene.analysis.TokenStream; |
| import org.apache.lucene.analysis.pattern.PatternTypingFilter.PatternTypingRule; |
| |
| /** Test that this filter sets a type for tokens matching patterns defined in a patterns.txt file */ |
| public class TestPatternTypingFilter extends BaseTokenStreamTestCase { |
| |
| /** Test the straight forward cases. When all flags match the token should be dropped */ |
| public void testPatterns() throws Exception { |
| |
| Token tokenA1 = new Token("One", 0, 2); |
| Token tokenA2 = new Token("401(k)", 4, 9); |
| Token tokenA3 = new Token("two", 11, 13); |
| Token tokenB1 = new Token("three", 15, 19); |
| Token tokenB2 = new Token("401k", 21, 24); |
| |
| TokenStream ts = new CannedTokenStream(tokenA1, tokenA2, tokenA3, tokenB1, tokenB2); |
| |
| // 2 ^(\d+)\(?([a-z])\)?$ ::: legal2_$1_$2 |
| ts = |
| new PatternTypingFilter( |
| ts, |
| new PatternTypingRule(Pattern.compile("^(\\d+)\\(?([a-z])\\)?$"), 2, "legal2_$1_$2")); |
| |
| assertTokenStreamContents( |
| ts, |
| new String[] {"One", "401(k)", "two", "three", "401k"}, |
| null, |
| null, |
| new String[] {"word", "legal2_401_k", "word", "word", "legal2_401_k"}, |
| null, |
| null, |
| null, |
| null, |
| null, |
| false, |
| null, |
| new int[] {0, 2, 0, 0, 2}); |
| } |
| |
| public void testFirstPatternWins() throws IOException { |
| Token tokenA1 = new Token("One", 0, 2); |
| Token tokenA3 = new Token("forty-two", 11, 13); |
| Token tokenB1 = new Token("4-2", 15, 19); |
| |
| TokenStream ts = new CannedTokenStream(tokenA1, tokenA3, tokenB1); |
| |
| // 2 ^(\d+)\(?([a-z])\)?$ ::: legal2_$1_$2 |
| PatternTypingRule p1 = |
| new PatternTypingRule(Pattern.compile("^(\\d+)-(\\d+)$"), 6, "$1_hnum_$2"); |
| PatternTypingRule p2 = |
| new PatternTypingRule(Pattern.compile("^(\\w+)-(\\w+)$"), 2, "$1_hword_$2"); |
| |
| ts = new PatternTypingFilter(ts, p1, p2); // 101 |
| |
| assertTokenStreamContents( |
| ts, |
| new String[] {"One", "forty-two", "4-2"}, |
| null, |
| null, |
| new String[] {"word", "forty_hword_two", "4_hnum_2"}, |
| null, |
| null, |
| null, |
| null, |
| null, |
| false, |
| null, |
| new int[] {0, 2, 6}); |
| } |
| } |