Web1TSorterTest.java

/*
 * Copyright 2011
 * Ubiquitous Knowledge Processing (UKP) Lab
 * Technische Universität Darmstadt
 *
 * 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.tudarmstadt.ukp.dkpro.core.io.web1t;

import static org.junit.Assert.assertEquals;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Comparator;
import java.util.LinkedList;

import org.junit.Before;
import org.junit.Test;

import de.tudarmstadt.ukp.dkpro.core.io.web1t.util.Web1TFileSorter;

public class Web1TSorterTest
{

	LinkedList<File> filesToSort;
	Comparator<String> comparator;
	Web1TFileSorter sorter;

	@Test
	public void testSorter()
		throws IOException
	{
		Web1TFileSorter sorter = new Web1TFileSorter(filesToSort, comparator);
		sorter.sort();
		LinkedList<File> sortedFiles = sorter.getSortedFiles();
		
		assertEquals(2, sortedFiles.size());
		
		String TAB = "\t";

		// File #1
		File file = sortedFiles.pop();
		String[] lines = getLines(file);

		assertEquals(3, lines.length);
		assertEquals("a" + TAB + "3", lines[0]);
		assertEquals("although" + TAB + "4", lines[1]);
		assertEquals("annoying" + TAB + "5", lines[2]);
		
		//File #2
		file = sortedFiles.pop();
		lines = getLines(file);

		assertEquals(4, lines.length);
		assertEquals("often" + TAB + "3", lines[0]);
		assertEquals("oil" + TAB + "30", lines[1]);
		assertEquals("out" + TAB + "2", lines[2]);
		assertEquals("out-of-order" + TAB + "5", lines[3]);
		
		//Clean up calls
		sorter.cleanUp();
		sortedFiles = sorter.getSortedFiles();
		assertEquals(0, sortedFiles.size());

	}

	private String[] getLines(File file)
		throws IOException
	{
		BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file),
				"UTF-8"));

		LinkedList<String> lines = new LinkedList<String>();

		String line = "";
		while ((line = reader.readLine()) != null) {
			lines.add(line);
		}
		reader.close();
		
		return lines.toArray(new String[0]);
	}

	@Before
	public void setUp()
	{
		setUpFileList();
		setUpComparator();

	}

	private void setUpComparator()
	{
		comparator = new Comparator<String>()
		{
			@Override
			public int compare(String r1, String r2)
			{
				return r1.compareTo(r2);
			}
		};
	}

	private void setUpFileList()
	{
		filesToSort = new LinkedList<File>();

		File file_1 = new File("src/test/resources/Web1TSorter/00000000_unsorted");
		File file_2 = new File("src/test/resources/Web1TSorter/00000001_unsorted");

		filesToSort.add(file_1);
		filesToSort.add(file_2);

	}
}