SerializingFileBufferTest.java

/*
 * sulky-modules - several general-purpose modules.
 * Copyright (C) 2007-2011 Joern Huxhorn
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/*
 * Copyright 2007-2011 Joern Huxhorn
 *
 * 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 de.huxhorn.sulky.buffers;

import java.io.File;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import static org.junit.Assert.assertEquals;

public class SerializingFileBufferTest
{
	private final Logger logger = LoggerFactory.getLogger(SerializingFileBufferTest.class);

	private SerializingFileBuffer<String> instance;
	private File tempOutputPath;
	private File serializeFile;
	private File serializeIndexFile;
	private String[] values;

	@Before
	public void setUp()
		throws Exception
	{
		tempOutputPath = File.createTempFile("sfb-testing", "rulez");
		tempOutputPath.delete();
		tempOutputPath.mkdirs();
		serializeFile = new File(tempOutputPath, "dump");
		serializeIndexFile = new File(tempOutputPath, "dump.index");
		instance = new SerializingFileBuffer<>(serializeFile, serializeIndexFile);
		values = new String[]
			{
				"Null, sozusagen ganix",
				"Eins",
				"Zwei",
				"Drei",
				"Vier",
				"Fuenef",
				"Sechse",
				"Siebene",
				"Achtele",
				"Neune",
				"Zehne",
			};

	}

	@After
	public void tearDown()
		throws Exception
	{
		serializeFile.delete();
		serializeIndexFile.delete();
		tempOutputPath.delete();
	}

	@Test
	public void readWriteAdd()
	{
		for(String current : values)
		{
			instance.add(current);
		}
		assertEquals(values.length, (int) instance.getSize());

		for(int i = 0; i < values.length; i++)
		{
			String value = instance.get(i);
			if(logger.isInfoEnabled()) logger.info("Element #{}={}", i, value);
			assertEquals("Element #" + i + " differs!", values[i], value);
		}

		int index = 0;
		for(String value : instance)
		{
			if(logger.isInfoEnabled()) logger.info("Element #{}={}", index, value);
			assertEquals("Element #" + index + " differs!", values[index], value);
			index++;
		}
	}

	@Test
	public void readWriteAddAll()
	{
		instance.addAll(values);
		assertEquals(values.length, (int) instance.getSize());

		for(int i = 0; i < values.length; i++)
		{
			String value = instance.get(i);
			if(logger.isInfoEnabled()) logger.info("Element #{}={}", i, value);
			assertEquals("Element #" + i + " differs!", values[i], value);
		}

		int index = 0;
		for(String value : instance)
		{
			if(logger.isInfoEnabled()) logger.info("Element #{}={}", index, value);
			assertEquals("Element #" + index + " differs!", values[index], value);
			index++;
		}
	}
}