/*
* 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
*
* 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.streams.converter.test;
import org.apache.streams.converter.LineReadWriteConfiguration;
import org.apache.streams.converter.LineReadWriteUtil;
import org.apache.streams.core.StreamsDatum;
import org.apache.streams.jackson.StreamsJacksonMapper;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.commons.lang3.StringUtils;
import org.joda.time.DateTime;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.UUID;
/**
* Tests for {@link LineReadWriteUtil}
*/
public class TestLineReadWriteUtil {
private final static Logger LOGGER = LoggerFactory.getLogger(TestLineReadWriteUtil.class);
private ObjectMapper MAPPER = StreamsJacksonMapper.getInstance();
private static Random rand = new Random();
@Test
public void TestLineReadWrite () throws Exception {
List<LineReadWriteConfiguration> configs = new ArrayList<>();
configs.add(new LineReadWriteConfiguration());
configs.add(new LineReadWriteConfiguration()
.withFields(Collections.singletonList("ID")));
configs.add(new LineReadWriteConfiguration()
.withFields(Collections.singletonList("DOC"))
.withFieldDelimiter("\t"));
configs.add(new LineReadWriteConfiguration()
.withFields(Arrays.asList("ID", "DOC"))
.withFieldDelimiter("\t")
.withLineDelimiter("\n"));
configs.add(new LineReadWriteConfiguration()
.withFields(Arrays.asList("ID", "TS", "DOC"))
.withLineDelimiter("\n"));
configs.add(new LineReadWriteConfiguration()
.withFields(Arrays.asList("ID", "TS", "META", "DOC"))
.withFieldDelimiter("|")
.withLineDelimiter("\n"));
configs.add(new LineReadWriteConfiguration()
.withFields(Arrays.asList("ID", "SEQ", "TS", "META", "DOC"))
.withFieldDelimiter("|")
.withLineDelimiter("\\0"));
for(LineReadWriteConfiguration config : configs)
TestLineReadWriteCase(config);
}
public void TestLineReadWriteCase(LineReadWriteConfiguration lineReadWriteConfiguration) throws Exception {
LineReadWriteUtil lineReadWriteUtil;
lineReadWriteUtil = LineReadWriteUtil.getInstance(lineReadWriteConfiguration);
assert(lineReadWriteUtil != null);
StreamsDatum testDatum = randomDatum();
String writeResult = lineReadWriteUtil.convertResultToString(testDatum);
assert StringUtils.isNotBlank(writeResult);
StreamsDatum readResult = lineReadWriteUtil.processLine(writeResult);
assert readResult != null;
assert StringUtils.isNotBlank(readResult.getId()) || StringUtils.isNotBlank((String)readResult.getDocument());
}
public static StreamsDatum randomDatum() {
StreamsDatum datum = new StreamsDatum(UUID.randomUUID().toString());
datum.setId(UUID.randomUUID().toString());
datum.setTimestamp(DateTime.now());
BigInteger result = new BigInteger(64, rand);
datum.setSequenceid(result);
Map<String,Object> metadata = new HashMap<>();
metadata.put("a", UUID.randomUUID().toString());
datum.setMetadata(metadata);
return datum;
}
}