| /* |
| * 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.Reader; |
| import java.io.StringReader; |
| |
| import org.apache.lucene.analysis.TokenStream; |
| import org.apache.lucene.analysis.util.BaseTokenStreamFactoryTestCase; |
| |
| /** |
| * Simple tests to ensure this factory is working |
| */ |
| public class TestPatternReplaceCharFilterFactory extends BaseTokenStreamFactoryTestCase { |
| |
| // 1111 |
| // 01234567890123 |
| // this is test. |
| public void testNothingChange() throws Exception { |
| Reader reader = new StringReader("this is test."); |
| reader = charFilterFactory("PatternReplace", |
| "pattern", "(aa)\\s+(bb)\\s+(cc)", |
| "replacement", "$1$2$3").create(reader); |
| TokenStream ts = whitespaceMockTokenizer(reader); |
| assertTokenStreamContents(ts, |
| new String[] { "this", "is", "test." }, |
| new int[] { 0, 5, 8 }, |
| new int[] { 4, 7, 13 }); |
| } |
| |
| // 012345678 |
| // aa bb cc |
| public void testReplaceByEmpty() throws Exception { |
| Reader reader = new StringReader("aa bb cc"); |
| reader = charFilterFactory("PatternReplace", |
| "pattern", "(aa)\\s+(bb)\\s+(cc)").create(reader); |
| TokenStream ts = whitespaceMockTokenizer(reader); |
| assertTokenStreamContents(ts, new String[] {}); |
| } |
| |
| // 012345678 |
| // aa bb cc |
| // aa#bb#cc |
| public void test1block1matchSameLength() throws Exception { |
| Reader reader = new StringReader("aa bb cc"); |
| reader = charFilterFactory("PatternReplace", |
| "pattern", "(aa)\\s+(bb)\\s+(cc)", |
| "replacement", "$1#$2#$3").create(reader); |
| TokenStream ts = whitespaceMockTokenizer(reader); |
| assertTokenStreamContents(ts, |
| new String[] { "aa#bb#cc" }, |
| new int[] { 0 }, |
| new int[] { 8 }); |
| } |
| |
| /** Test that bogus arguments result in exception */ |
| public void testBogusArguments() throws Exception { |
| IllegalArgumentException expected = expectThrows(IllegalArgumentException.class, () -> { |
| charFilterFactory("PatternReplace", |
| "pattern", "something", |
| "bogusArg", "bogusValue"); |
| }); |
| assertTrue(expected.getMessage().contains("Unknown parameters")); |
| } |
| |
| /** Test with backslash unescape */ |
| public void testUnescape() throws Exception { |
| Reader reader = new StringReader("aaa\\ bbb\\-ccc"); |
| reader = charFilterFactory("PatternReplace", |
| "pattern", "\\\\(.)", |
| "replacement", "$1").create(reader); |
| TokenStream ts = whitespaceMockTokenizer(reader); |
| assertTokenStreamContents(ts, |
| new String[] { "aaa", "bbb-ccc" }, |
| new int[] { 0, 5 }, |
| new int[] { 3, 13 }); |
| |
| reader = new StringReader("a\\b\\0\\-c\\é\\ d"); |
| reader = charFilterFactory("PatternReplace", |
| "pattern", "\\\\([^\\p{IsAlphabetic}\\p{Digit}])", |
| "replacement", "$1").create(reader); |
| ts = whitespaceMockTokenizer(reader); |
| assertTokenStreamContents(ts, |
| new String[] { "a\\b\\0-c\\é", "d" }, |
| new int[] { 0, 12 }, |
| new int[] { 10, 13 }); |
| } |
| } |