GateLemmatizerTest.java

/*
 * Copyright 2014
 * 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.gate;

import static org.apache.uima.fit.factory.AnalysisEngineFactory.createEngineDescription;
import static org.apache.uima.fit.util.JCasUtil.select;

import org.apache.uima.analysis_engine.AnalysisEngineDescription;
import org.apache.uima.jcas.JCas;
import org.junit.Rule;
import org.junit.Test;
import de.tudarmstadt.ukp.dkpro.core.api.segmentation.type.Lemma;
import de.tudarmstadt.ukp.dkpro.core.testing.AssertAnnotations;
import de.tudarmstadt.ukp.dkpro.core.testing.DkproTestContext;
import de.tudarmstadt.ukp.dkpro.core.testing.TestRunner;

public class GateLemmatizerTest
{
	@Test
	public void testEnglish()
		throws Exception
	{
		JCas jcas = runTest("en", "We need a very complicated example sentence , which " +
			"contains as many constituents and dependencies as possible .");

        String[] lemmas = { "We", "need", "a", "very", "complicate", "example", "sentence", ",",
                "which", "contain", "as", "many", "constituent", "and", "dependency", "as",
                "possible", "." };

		AssertAnnotations.assertLemma(lemmas, select(jcas, Lemma.class));
	}

	@Test
	public void testEnglish2()
		throws Exception
	{
		JCas jcas = runTest("en", "Two cars went around corners .");

		String[] lemmas = { "Two", "car", "go", "around", "corner", "." };

		AssertAnnotations.assertLemma(lemmas, select(jcas, Lemma.class));
	}

	private JCas runTest(String aLanguage, String aText)
		throws Exception
	{
		AnalysisEngineDescription tagger = createEngineDescription(HepplePosTagger.class);
		AnalysisEngineDescription lemma = createEngineDescription(GateLemmatizer.class);

		AnalysisEngineDescription aggregate = createEngineDescription(tagger, lemma);

        JCas jcas = TestRunner.runTest(aggregate, aLanguage, aText);
		
		return jcas;
	}

    @Rule
    public DkproTestContext testContext = new DkproTestContext();
}