SegmenterCompatibilityTest.java

/*
 * 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.
 */
package de.tudarmstadt.ukp.dkpro.core.treetagger;

import static org.apache.uima.fit.factory.AnalysisEngineFactory.createEngineDescription;
import static org.apache.uima.fit.factory.AnalysisEngineFactory.createEngine;
import static org.apache.uima.fit.util.JCasUtil.select;
import static org.junit.Assert.assertEquals;

import java.util.Collection;

import org.apache.uima.analysis_engine.AnalysisEngine;
import org.apache.uima.analysis_engine.AnalysisEngineDescription;
import org.apache.uima.jcas.JCas;
import org.junit.Assume;
import org.junit.Before;
import org.junit.Test;

import de.tudarmstadt.ukp.dkpro.core.api.segmentation.type.Lemma;
import de.tudarmstadt.ukp.dkpro.core.tokit.BreakIteratorSegmenter;

public
class SegmenterCompatibilityTest
{
	@Before
	public void initTrace()
	{
		// TreeTaggerWrapper.TRACE = true;
	}

	@Test
	public void segmenterCompatibilityTest() throws Exception {
    	checkModelsAndBinary("en");

	    AnalysisEngineDescription desc = createEngineDescription(
                createEngineDescription(BreakIteratorSegmenter.class),
                createEngineDescription(TreeTaggerPosTagger.class)
        );
        AnalysisEngine engine = createEngine(desc);

        JCas aJCas = engine.newJCas();
        aJCas.setDocumentLanguage("en");
        aJCas.setDocumentText("Two cats sat on two mats.");
        engine.process(aJCas);

        checkLemma(new String[] { "Two", "cat", "sit", "on", "two", "mat", "." },
                select(aJCas, Lemma.class));
    }

	private void checkLemma(String[] expected, Collection<Lemma> actual)
	{
        int i = 0;
        for (Lemma lemmaAnnotation : actual) {
            assertEquals("In position "+i, expected[i], lemmaAnnotation.getValue());
            i++;
        }
	}

    private void checkModelsAndBinary(String lang)
    {
        Assume.assumeTrue(getClass().getResource(
                "/de/tudarmstadt/ukp/dkpro/core/treetagger/lib/tagger-" + lang + "-le.bin") != null);

        Assume.assumeTrue(getClass().getResource(
                "/de/tudarmstadt/ukp/dkpro/core/treetagger/bin/LICENSE.txt") != null);
    }
}