Github_316.java

/*******************************************************************************
 * Copyright 2019 Univocity Software Pty Ltd
 *
 * Licensed 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 com.univocity.parsers.issues.github;


import com.univocity.parsers.csv.*;
import org.testng.annotations.*;

import java.io.*;

import static org.testng.Assert.*;

/**
 * From: https://github.com/univocity/univocity-parsers/issues/316
 *
 * @author Univocity Software Pty Ltd - <a href="mailto:dev@univocity.com">dev@univocity.com</a>
 */
public class Github_316 {

	@DataProvider
	Object[][] reorderingFlags() {
		return new Object[][]
				{
						{true},
						{false}
				};
	}

	@Test(dataProvider = "reorderingFlags")
	public void containColumns(boolean reorder) {
		CsvParserSettings settings = new CsvParserSettings();
		settings.setHeaderExtractionEnabled(true);
		settings.selectFields("AAA", "BBB", "CCC");
		settings.setColumnReorderingEnabled(reorder);
		CsvParser parser = new CsvParser(settings);
		parser.beginParsing(new StringReader("AAA,BBB\na,b"));
		assertTrue(parser.getRecordMetadata().containsColumn("AAA"));
		assertTrue(parser.getRecordMetadata().containsColumn("BBB"));
		assertFalse(parser.getRecordMetadata().containsColumn("CCC"));
	}
}