HepplePosTaggerTest.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.createEngine;
import static org.apache.uima.fit.util.JCasUtil.select;

import org.apache.uima.analysis_engine.AnalysisEngine;
import org.apache.uima.jcas.JCas;
import org.junit.Rule;
import org.junit.Test;
import de.tudarmstadt.ukp.dkpro.core.api.lexmorph.type.pos.POS;
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 HepplePosTaggerTest
{
	@Test
	public void testEnglish()
		throws Exception
	{
        runTest("en", null, "This is a test . \n",
				new String[] { "DT",   "VBZ", "DT",  "NN",   "." },
				new String[] { "DET", "VERB", "DET", "NOUN", "PUNCT" });

        runTest("en", null, "A neural net . \n",
        		new String[] { "DT",  "NN", "JJ",  "." },
        		new String[] { "DET", "NOUN", "ADJ", "PUNCT" });

        runTest("en", null, "John is purchasing oranges . \n",
        		new String[] { "NNP",  "VBZ",  "VBG",  "NNS",  "." },
        		new String[] { "PROPN", "VERB", "VERB", "NOUN", "PUNCT" });
    }

	private void runTest(String language, String variant, String testDocument, String[] tags,
			String[] tagClasses)
		throws Exception
	{
		AnalysisEngine engine = createEngine(HepplePosTagger.class,
		        HepplePosTagger.PARAM_VARIANT, variant,
		        HepplePosTagger.PARAM_PRINT_TAGSET, true);

		JCas jcas = TestRunner.runTest(engine, language, testDocument);

		AssertAnnotations.assertPOS(tagClasses, tags, select(jcas, POS.class));
	}

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