| /* |
| * 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.payloads; |
| |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.TokenStream; |
| import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; |
| import org.apache.lucene.analysis.tokenattributes.PayloadAttribute; |
| import org.apache.lucene.util.BytesRef; |
| import java.nio.charset.StandardCharsets; |
| |
| public class DelimitedPayloadTokenFilterTest extends BaseTokenStreamTestCase { |
| |
| public void testPayloads() throws Exception { |
| String test = "The quick|JJ red|JJ fox|NN jumped|VB over the lazy|JJ brown|JJ dogs|NN"; |
| DelimitedPayloadTokenFilter filter = new DelimitedPayloadTokenFilter |
| (whitespaceMockTokenizer(test), |
| DelimitedPayloadTokenFilter.DEFAULT_DELIMITER, new IdentityEncoder()); |
| CharTermAttribute termAtt = filter.getAttribute(CharTermAttribute.class); |
| PayloadAttribute payAtt = filter.getAttribute(PayloadAttribute.class); |
| filter.reset(); |
| assertTermEquals("The", filter, termAtt, payAtt, null); |
| assertTermEquals("quick", filter, termAtt, payAtt, "JJ".getBytes(StandardCharsets.UTF_8)); |
| assertTermEquals("red", filter, termAtt, payAtt, "JJ".getBytes(StandardCharsets.UTF_8)); |
| assertTermEquals("fox", filter, termAtt, payAtt, "NN".getBytes(StandardCharsets.UTF_8)); |
| assertTermEquals("jumped", filter, termAtt, payAtt, "VB".getBytes(StandardCharsets.UTF_8)); |
| assertTermEquals("over", filter, termAtt, payAtt, null); |
| assertTermEquals("the", filter, termAtt, payAtt, null); |
| assertTermEquals("lazy", filter, termAtt, payAtt, "JJ".getBytes(StandardCharsets.UTF_8)); |
| assertTermEquals("brown", filter, termAtt, payAtt, "JJ".getBytes(StandardCharsets.UTF_8)); |
| assertTermEquals("dogs", filter, termAtt, payAtt, "NN".getBytes(StandardCharsets.UTF_8)); |
| assertFalse(filter.incrementToken()); |
| filter.end(); |
| filter.close(); |
| } |
| |
| public void testNext() throws Exception { |
| |
| String test = "The quick|JJ red|JJ fox|NN jumped|VB over the lazy|JJ brown|JJ dogs|NN"; |
| DelimitedPayloadTokenFilter filter = new DelimitedPayloadTokenFilter |
| (whitespaceMockTokenizer(test), |
| DelimitedPayloadTokenFilter.DEFAULT_DELIMITER, new IdentityEncoder()); |
| filter.reset(); |
| assertTermEquals("The", filter, null); |
| assertTermEquals("quick", filter, "JJ".getBytes(StandardCharsets.UTF_8)); |
| assertTermEquals("red", filter, "JJ".getBytes(StandardCharsets.UTF_8)); |
| assertTermEquals("fox", filter, "NN".getBytes(StandardCharsets.UTF_8)); |
| assertTermEquals("jumped", filter, "VB".getBytes(StandardCharsets.UTF_8)); |
| assertTermEquals("over", filter, null); |
| assertTermEquals("the", filter, null); |
| assertTermEquals("lazy", filter, "JJ".getBytes(StandardCharsets.UTF_8)); |
| assertTermEquals("brown", filter, "JJ".getBytes(StandardCharsets.UTF_8)); |
| assertTermEquals("dogs", filter, "NN".getBytes(StandardCharsets.UTF_8)); |
| assertFalse(filter.incrementToken()); |
| filter.end(); |
| filter.close(); |
| } |
| |
| |
| public void testFloatEncoding() throws Exception { |
| String test = "The quick|1.0 red|2.0 fox|3.5 jumped|0.5 over the lazy|5 brown|99.3 dogs|83.7"; |
| DelimitedPayloadTokenFilter filter = new DelimitedPayloadTokenFilter(whitespaceMockTokenizer(test), '|', new FloatEncoder()); |
| CharTermAttribute termAtt = filter.getAttribute(CharTermAttribute.class); |
| PayloadAttribute payAtt = filter.getAttribute(PayloadAttribute.class); |
| filter.reset(); |
| assertTermEquals("The", filter, termAtt, payAtt, null); |
| assertTermEquals("quick", filter, termAtt, payAtt, PayloadHelper.encodeFloat(1.0f)); |
| assertTermEquals("red", filter, termAtt, payAtt, PayloadHelper.encodeFloat(2.0f)); |
| assertTermEquals("fox", filter, termAtt, payAtt, PayloadHelper.encodeFloat(3.5f)); |
| assertTermEquals("jumped", filter, termAtt, payAtt, PayloadHelper.encodeFloat(0.5f)); |
| assertTermEquals("over", filter, termAtt, payAtt, null); |
| assertTermEquals("the", filter, termAtt, payAtt, null); |
| assertTermEquals("lazy", filter, termAtt, payAtt, PayloadHelper.encodeFloat(5.0f)); |
| assertTermEquals("brown", filter, termAtt, payAtt, PayloadHelper.encodeFloat(99.3f)); |
| assertTermEquals("dogs", filter, termAtt, payAtt, PayloadHelper.encodeFloat(83.7f)); |
| assertFalse(filter.incrementToken()); |
| filter.end(); |
| filter.close(); |
| } |
| |
| public void testIntEncoding() throws Exception { |
| String test = "The quick|1 red|2 fox|3 jumped over the lazy|5 brown|99 dogs|83"; |
| DelimitedPayloadTokenFilter filter = new DelimitedPayloadTokenFilter(whitespaceMockTokenizer(test), '|', new IntegerEncoder()); |
| CharTermAttribute termAtt = filter.getAttribute(CharTermAttribute.class); |
| PayloadAttribute payAtt = filter.getAttribute(PayloadAttribute.class); |
| filter.reset(); |
| assertTermEquals("The", filter, termAtt, payAtt, null); |
| assertTermEquals("quick", filter, termAtt, payAtt, PayloadHelper.encodeInt(1)); |
| assertTermEquals("red", filter, termAtt, payAtt, PayloadHelper.encodeInt(2)); |
| assertTermEquals("fox", filter, termAtt, payAtt, PayloadHelper.encodeInt(3)); |
| assertTermEquals("jumped", filter, termAtt, payAtt, null); |
| assertTermEquals("over", filter, termAtt, payAtt, null); |
| assertTermEquals("the", filter, termAtt, payAtt, null); |
| assertTermEquals("lazy", filter, termAtt, payAtt, PayloadHelper.encodeInt(5)); |
| assertTermEquals("brown", filter, termAtt, payAtt, PayloadHelper.encodeInt(99)); |
| assertTermEquals("dogs", filter, termAtt, payAtt, PayloadHelper.encodeInt(83)); |
| assertFalse(filter.incrementToken()); |
| filter.end(); |
| filter.close(); |
| } |
| |
| void assertTermEquals(String expected, TokenStream stream, byte[] expectPay) throws Exception { |
| CharTermAttribute termAtt = stream.getAttribute(CharTermAttribute.class); |
| PayloadAttribute payloadAtt = stream.getAttribute(PayloadAttribute.class); |
| assertTrue(stream.incrementToken()); |
| assertEquals(expected, termAtt.toString()); |
| BytesRef payload = payloadAtt.getPayload(); |
| if (payload != null) { |
| assertTrue(payload.length + " does not equal: " + expectPay.length, payload.length == expectPay.length); |
| for (int i = 0; i < expectPay.length; i++) { |
| assertTrue(expectPay[i] + " does not equal: " + payload.bytes[i + payload.offset], expectPay[i] == payload.bytes[i + payload.offset]); |
| |
| } |
| } else { |
| assertTrue("expectPay is not null and it should be", expectPay == null); |
| } |
| } |
| |
| |
| void assertTermEquals(String expected, TokenStream stream, CharTermAttribute termAtt, PayloadAttribute payAtt, byte[] expectPay) throws Exception { |
| assertTrue(stream.incrementToken()); |
| assertEquals(expected, termAtt.toString()); |
| BytesRef payload = payAtt.getPayload(); |
| if (payload != null) { |
| assertTrue(payload.length + " does not equal: " + expectPay.length, payload.length == expectPay.length); |
| for (int i = 0; i < expectPay.length; i++) { |
| assertTrue(expectPay[i] + " does not equal: " + payload.bytes[i + payload.offset], expectPay[i] == payload.bytes[i + payload.offset]); |
| |
| } |
| } else { |
| assertTrue("expectPay is not null and it should be", expectPay == null); |
| } |
| } |
| } |