| /* |
| * 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.miscellaneous; |
| |
| import org.apache.lucene.analysis.BaseTokenStreamFactoryTestCase; |
| import org.apache.lucene.analysis.CannedTokenStream; |
| import org.apache.lucene.analysis.Token; |
| import org.apache.lucene.analysis.TokenStream; |
| |
| /** Simple tests to ensure this factory is working */ |
| public class TestRemoveDuplicatesTokenFilterFactory extends BaseTokenStreamFactoryTestCase { |
| |
| public static Token tok(int pos, String t, int start, int end) { |
| Token tok = new Token(t, start, end); |
| tok.setPositionIncrement(pos); |
| return tok; |
| } |
| |
| public void testDups(final String expected, final Token... tokens) throws Exception { |
| TokenStream stream = new CannedTokenStream(tokens); |
| stream = tokenFilterFactory("RemoveDuplicates").create(stream); |
| assertTokenStreamContents(stream, expected.split("\\s")); |
| } |
| |
| public void testSimpleDups() throws Exception { |
| testDups( |
| "A B C D E", |
| tok(1, "A", 0, 4), |
| tok(1, "B", 5, 10), |
| tok(0, "B", 11, 15), |
| tok(1, "C", 16, 20), |
| tok(0, "D", 16, 20), |
| tok(1, "E", 21, 25)); |
| } |
| |
| /** Test that bogus arguments result in exception */ |
| public void testBogusArguments() throws Exception { |
| IllegalArgumentException expected = |
| expectThrows( |
| IllegalArgumentException.class, |
| () -> { |
| tokenFilterFactory("RemoveDuplicates", "bogusArg", "bogusValue"); |
| }); |
| assertTrue(expected.getMessage().contains("Unknown parameters")); |
| } |
| } |