EDIT

package eu.etaxonomy.cdm.api.service;

import static org.junit.Assert.assertNotNull;

import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertTrue;

import java.util.HashSet;

import java.util.Iterator;

import java.util.List;

import java.util.Set;

import org.apache.log4j.Logger;

import org.junit.Before;

import org.junit.Ignore;

import org.junit.Test;

import org.unitils.spring.annotation.SpringBeanByType;

import eu.etaxonomy.cdm.model.common.Language;

import eu.etaxonomy.cdm.model.common.TermVocabulary;

import eu.etaxonomy.cdm.model.description.CategoricalData;

import eu.etaxonomy.cdm.model.description.Feature;

import eu.etaxonomy.cdm.model.description.FeatureTree;

import eu.etaxonomy.cdm.model.description.FeatureNode;

import eu.etaxonomy.cdm.model.description.MeasurementUnit;

import eu.etaxonomy.cdm.model.description.QuantitativeData;

import eu.etaxonomy.cdm.model.description.State;

import eu.etaxonomy.cdm.model.description.StateData;

import eu.etaxonomy.cdm.model.description.StatisticalMeasure;

import eu.etaxonomy.cdm.model.description.StatisticalMeasurementValue;

import eu.etaxonomy.cdm.model.description.TaxonDescription;

import eu.etaxonomy.cdm.model.description.TextData;

import eu.etaxonomy.cdm.model.name.NonViralName;

import eu.etaxonomy.cdm.model.name.TaxonNameBase;

import eu.etaxonomy.cdm.model.reference.Reference;

import eu.etaxonomy.cdm.model.taxon.Taxon;

import eu.etaxonomy.cdm.test.integration.CdmIntegrationTest;

import eu.etaxonomy.cdm.api.service.NaturalLanguageGenerator;

@Ignore //FIXME Remove @Ignore once maximes code is completely comitted

public class NaturalLanguageGeneratorTest extends CdmIntegrationTest {

	private static final Logger logger = Logger.getLogger(NaturalLanguageGeneratorTest.class);

	@SpringBeanByType

	private INaturalLanguageGenerator generator;

    private FeatureTree featureTree;

    private TaxonDescription description;

    Set<Feature> featureSet  = new HashSet<Feature>();

	@Before

	public void setUp() throws Exception {

        // set up your test objects here

		NonViralName tnb = NonViralName.NewInstance(null);

		Taxon taxon = Taxon.NewInstance(tnb, null);

		description = TaxonDescription.NewInstance(taxon);

		featureTree= FeatureTree.NewInstance();

		FeatureNode root = FeatureNode.NewInstance();

		featureTree.setRoot(root);

		String[][][] tableStrings = { { {"a","b"} } , { { "a1" , "a2"  } , { "b1" } } };

		buildBranches(root,tableStrings,0,2,0);

		for (Iterator<Feature> f = featureSet.iterator() ; f.hasNext() ;){

			Feature feature = f.next();

			CategoricalData cg = CategoricalData.NewInstance();

			cg.setFeature(feature);

			State state = State.NewInstance(null, feature.getLabel()+"state", null);

			StateData stateData = StateData.NewInstance();

			stateData.setState(state);

			cg.addState(stateData);

			description.addElement(cg);

		}

		Feature qFeature = Feature.NewInstance(null, "c", null);

		QuantitativeData qd = QuantitativeData.NewInstance();

		MeasurementUnit munit = MeasurementUnit.NewInstance(null, "mm", null);

		StatisticalMeasurementValue smv = StatisticalMeasurementValue.NewInstance();

		smv.setType(StatisticalMeasure.AVERAGE());

		smv.setValue(12);

		qd.addStatisticalValue(smv);

		qd.setUnit(munit);

		qd.setFeature(qFeature);

		description.addElement(qd);

		FeatureNode qNode = FeatureNode.NewInstance(qFeature);

		root.addChild(qNode);

	}

	@Test

	public void testGenerateNaturalLanguageDescription() {

		assertNotNull("FeatureTree should exist", featureTree);

		assertNotNull("TaxonDescription should exist", description);

		StringBuilder stringBuilder = new StringBuilder();

		List<TextData> result = generator.generateNaturalLanguageDescription(featureTree,description, Language.DEFAULT());

		for (Iterator<TextData> td = result.iterator() ; td.hasNext();) {

			TextData textD = td.next();

			stringBuilder.append(textD.getText(Language.DEFAULT()));

		}

		assertTrue("Empty text",!stringBuilder.equals(""));

		System.out.println(stringBuilder.toString());

	}

	public void buildBranches(FeatureNode parent, String[][][] children, int level, int depth, int nodeNumber) {

		int i = nodeNumber;

		int j;

				for (j=0; j<children[level][i].length ; j++) {

					Feature feature = Feature.NewInstance(null, children[level][i][j], null);

					featureSet.add(feature);

					FeatureNode child = FeatureNode.NewInstance(feature);

					parent.addChild(child);

					if (level<depth-1) {

						buildBranches(child, children,level+1,depth, j);

					}

			}

	}

}