JiraCsv248Test.java
/*
* 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.commons.csv.issues;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertInstanceOf;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import org.apache.commons.csv.CSVRecord;
import org.junit.jupiter.api.Test;
public class JiraCsv248Test {
private static InputStream getTestInput() {
return ClassLoader.getSystemClassLoader().getResourceAsStream("org/apache/commons/csv/CSV-248/csvRecord.bin");
}
/**
* Test deserialisation of a CSVRecord created using version 1.6.
*
* <p>
* This test asserts that serialization from 1.8 onwards is consistent with previous versions. Serialization was
* broken in version 1.7.
*
* @throws IOException Signals that an I/O exception has occurred.
* @throws ClassNotFoundException If the CSVRecord cannot be deserialized
*/
@Test
public void testJiraCsv248() throws IOException, ClassNotFoundException {
// Record was originally created using CSV version 1.6 with the following code:
// try (final CSVParser parser = CSVParser.parse("A,B\n#my comment\nOne,Two",
// CSVFormat.DEFAULT.builder().setHeader().setCommentMarker('#'))) {
// CSVRecord rec = parser.iterator().next();
// }
try (InputStream in = getTestInput(); final ObjectInputStream ois = new ObjectInputStream(in)) {
final Object object = ois.readObject();
assertInstanceOf(CSVRecord.class, object);
final CSVRecord rec = (CSVRecord) object;
assertEquals(1L, rec.getRecordNumber());
assertEquals("One", rec.get(0));
assertEquals("Two", rec.get(1));
assertEquals(2, rec.size());
// The comment and whitespace are ignored so this is not 17 but 4
assertEquals(4, rec.getCharacterPosition());
assertEquals("my comment", rec.getComment());
// The parser is not serialized
assertNull(rec.getParser());
// Check all header map functionality is absent
assertTrue(rec.isConsistent());
assertFalse(rec.isMapped("A"));
assertFalse(rec.isSet("A"));
assertEquals(0, rec.toMap().size());
// This will throw
assertThrows(IllegalStateException.class, () -> rec.get("A"));
}
}
}