| /* |
| * 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.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.MockTokenizer; |
| import org.apache.lucene.analysis.TokenStream; |
| |
| public class TestFingerprintFilter extends BaseTokenStreamTestCase { |
| |
| public void testDupsAndSorting() throws Exception { |
| for (final boolean consumeAll : new boolean[] { true, false }) { |
| MockTokenizer tokenizer = whitespaceMockTokenizer("B A B E"); |
| tokenizer.setEnableChecks(consumeAll); |
| TokenStream stream = new FingerprintFilter(tokenizer); |
| assertTokenStreamContents(stream, new String[] { "A B E" }); |
| } |
| } |
| |
| public void testAllDupValues() throws Exception { |
| for (final boolean consumeAll : new boolean[] { true, false }) { |
| MockTokenizer tokenizer = whitespaceMockTokenizer("B2 B2"); |
| tokenizer.setEnableChecks(consumeAll); |
| TokenStream stream = new FingerprintFilter(tokenizer); |
| assertTokenStreamContents(stream, new String[] { "B2" }); |
| } |
| } |
| |
| public void testMaxFingerprintSize() throws Exception { |
| for (final boolean consumeAll : new boolean[] { true, false }) { |
| MockTokenizer tokenizer = whitespaceMockTokenizer("B2 A1 C3 D4 E5 F6 G7 H1"); |
| tokenizer.setEnableChecks(consumeAll); |
| TokenStream stream = new FingerprintFilter(tokenizer, 4, ' '); |
| assertTokenStreamContents(stream, new String[] {}); |
| } |
| } |
| |
| public void testCustomSeparator() throws Exception { |
| for (final boolean consumeAll : new boolean[] { true, false }) { |
| MockTokenizer tokenizer = whitespaceMockTokenizer("B2 A1 C3 B2"); |
| tokenizer.setEnableChecks(consumeAll); |
| TokenStream stream = new FingerprintFilter(tokenizer, |
| FingerprintFilter.DEFAULT_MAX_OUTPUT_TOKEN_SIZE, '_'); |
| assertTokenStreamContents(stream, new String[] { "A1_B2_C3" }); |
| } |
| } |
| |
| public void testSingleToken() throws Exception { |
| for (final boolean consumeAll : new boolean[] { true, false }) { |
| MockTokenizer tokenizer = whitespaceMockTokenizer("A1"); |
| tokenizer.setEnableChecks(consumeAll); |
| TokenStream stream = new FingerprintFilter(tokenizer); |
| assertTokenStreamContents(stream, new String[] { "A1" }); |
| } |
| } |
| |
| public void testEmpty() throws Exception { |
| for (final boolean consumeAll : new boolean[] { true, false }) { |
| MockTokenizer tokenizer = whitespaceMockTokenizer(""); |
| tokenizer.setEnableChecks(consumeAll); |
| TokenStream stream = new FingerprintFilter(tokenizer); |
| assertTokenStreamContents(stream, new String[0]); |
| } |
| } |
| |
| } |