FinderTest.java

package de.tudarmstadt.ukp.dkpro.core.decompounding.web1t;
/*
 * Copyright 2010
 * 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.
 **/


import java.io.File;
import java.util.List;

import junit.framework.Assert;

import org.junit.Test;

public class FinderTest
{

	File source = new File("src/test/resources/n-grams");
	File index = new File("src/test/resources/LuceneIndexer");
	File jWeb1T = new File("src/test/resources/web1t/de");

	@Test
	public void testFinder1()
		throws Exception
	{
		index.mkdirs();

		// Create index
		LuceneIndexer indexer = new LuceneIndexer(source, index);
		indexer.index();
		Finder f = new Finder(index, jWeb1T);
		// Search and check if data is correct
		List<NGramModel> result = f.find("couch");
		Assert.assertEquals(1, result.size());
		Assert.assertEquals("relax on the couch", result.get(0).getGram());
		Assert.assertEquals(4, result.get(0).getN());
		Assert.assertEquals(100, result.get(0).getFreq());

		result = f.find("relax couch");
		Assert.assertEquals(1, result.size());
		Assert.assertEquals("relax on the couch", result.get(0).getGram());
		Assert.assertEquals(4, result.get(0).getN());
		Assert.assertEquals(100, result.get(0).getFreq());

		result = f.find("relax");
		Assert.assertEquals(3, result.size());

		result = f.find("relax");
		Assert.assertEquals(3, result.size());

		// Delete index again
		for (File file : index.listFiles()) {
			for (File _f : file.listFiles()) {
				_f.delete();
			}
			file.delete();
		}

		index.delete();
	}

	@Test
	public void testFinder2()
		throws Exception
	{
		index.mkdirs();

		// Create index
		LuceneIndexer indexer = new LuceneIndexer(source, index, 2);
		indexer.index();

		Finder f = new Finder(index, jWeb1T);
		// Search and check if data is correct
		List<NGramModel> result = f.find("couch");
		Assert.assertEquals(1, result.size());
		Assert.assertEquals("relax on the couch", result.get(0).getGram());
		Assert.assertEquals(4, result.get(0).getN());
		Assert.assertEquals(100, result.get(0).getFreq());

		result = f.find("relax couch");
		Assert.assertEquals(1, result.size());
		Assert.assertEquals("relax on the couch", result.get(0).getGram());
		Assert.assertEquals(4, result.get(0).getN());
		Assert.assertEquals(100, result.get(0).getFreq());

		result = f.find("relax");
		Assert.assertEquals(3, result.size());

		result = f.find("relax");
		Assert.assertEquals(3, result.size());

		// Delete index again
		for (File file : index.listFiles()) {
			for (File _f : file.listFiles()) {
				_f.delete();
			}
			file.delete();
		}

		index.delete();
	}
}