Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.fmap.mapcontext.rendering.legend;

import java.awt.Color;

import java.lang.reflect.Field;

import java.util.ArrayList;

import org.gvsig.fmap.mapcontext.layers.XMLException;

import org.gvsig.fmap.mapcontext.rendering.legend.IClassifiedVectorLegend;

import org.gvsig.fmap.mapcontext.rendering.legend.ILegend;

import org.gvsig.fmap.mapcontext.rendering.legend.IVectorLegend;

import org.gvsig.fmap.mapcontext.rendering.legend.IVectorialIntervalLegend;

import org.gvsig.fmap.mapcontext.rendering.legend.IVectorialUniqueValueLegend;

import org.gvsig.fmap.mapcontext.rendering.legend.SingleSymbolLegend;

import org.gvsig.fmap.mapcontext.rendering.legend.VectorialIntervalLegend;

import org.gvsig.fmap.mapcontext.rendering.legend.VectorialUniqueValueLegend;

import org.gvsig.fmap.mapcontext.rendering.symbols.SimpleFillSymbol;

import junit.framework.TestCase;

import com.hardcode.gdbms.engine.instruction.FieldNotFoundException;

/**

 * Integration test to ensure that the legends follow the rules that follow the

 * managing of them by the application.

 *

 * @author jaume dominguez faus - jaume.dominguez@iver.es

 */

public class TestILegend extends TestCase {

         private static ArrayList classesToTest;

         transient private ILegend[] legends;

         private static ArrayList getClassesToTest() {

                if (classesToTest == null) {

                    classesToTest = new ArrayList();

                  TestILegend.addLegendToTest(VectorialIntervalLegend.class);

                  TestILegend.addLegendToTest(VectorialUniqueValueLegend.class);

                  TestILegend.addLegendToTest(SingleSymbolLegend.class);

//                  TestILegend.addLegendToTest(QuantityByCategoryLegend.class);

//                  TestILegend.addLegendToTest(DotDensityLegend.class);

//                  TestILegend.addLegendToTest(ProportionalSymbolsLegend.class);

//                  TestILegend.addLegendToTest(GraduatedSymbolLegend.class);

                }

                return classesToTest;

            }

         /**

          * This method fills the attributes of a legend.The purpose is to ensure that the new

          * legend is 'full' and ready to be used for a test.

          * @param le

          * @return

          */

         private static ILegend fillthelegend(ILegend le) {

                 SimpleFillSymbol mfs = new SimpleFillSymbol();

                 mfs.setFillColor(Color.ORANGE.darker());

                 mfs.setDescription("hola");

                 mfs.setIsShapeVisible(true);

                 String[] cad = new String[] {"Pepe","Juan"};

                 if(le instanceof IVectorLegend) {

                         IVectorLegend ssl=(IVectorLegend)le;

                         ssl.setDefaultSymbol(mfs);

                 }

                 if(le instanceof IVectorialUniqueValueLegend) {

                         IVectorialUniqueValueLegend ivuvl= (IVectorialUniqueValueLegend)le;

                         ivuvl.setClassifyingFieldNames(cad);

                         }

                 if(le instanceof IVectorialIntervalLegend) {

                         IVectorialIntervalLegend ivil=(IVectorialIntervalLegend)le;

                         ivil.setClassifyingFieldNames(cad);

                         }

                 if(le instanceof IClassifiedVectorLegend) {

                         IClassifiedVectorLegend icvl=(IClassifiedVectorLegend)le;

                         icvl.setClassifyingFieldNames(cad);

                 }

                 return le;

         }

         public static void addLegendToTest(Class legendClass) {

                try {

                    ILegend len = (ILegend) legendClass.newInstance();

                    fillthelegend(len);

                    len.getXMLEntity();

                } catch (InstantiationException e) {

                    // TODO Auto-generated catch block

                    fail("Instantiating class, cannot test a non-instantiable symbol");

                } catch (IllegalAccessException e) {

                    // TODO Auto-generated catch block

                    fail("Class not instantiable");

                } catch (ClassCastException ccEx) {

                    fail("Cannot test a non symbol class");

                }

                getClassesToTest().add(legendClass);

            }

         /**

          * The main purpose of this method is to create new legend instances to be used for

          * other test methods.The new instances will be filled for the fillthelegend method.

          * @return

          * @throws FieldNotFoundException

          */

         public static ILegend[] getNewLegendInstances() throws FieldNotFoundException{

                ILegend[] legends = new ILegend[getClassesToTest().size()];

                for (int i = 0; i < legends.length; i++) {

                    try {

                            legends[i] = (ILegend) ((Class) getClassesToTest().get(i)).newInstance();

                            fillthelegend(legends[i]);

                    } catch (InstantiationException e) {

                        fail("Instantiating class");

                    } catch (IllegalAccessException e) {

                        fail("Class not instantiable");

                    }

                }

                return legends;

            }

          protected void setUp() throws Exception {

              legends = getNewLegendInstances();

            }

        /**

         * this test ensures that the legend is self-defining. Checks that

         * the symbols contained by it can be replicated, and the rules for

         * such symbols as well.

         * @throws XMLException

         */

        public void testILegendSelfDefinition() throws XMLException{

                for (int i = 0; i < legends.length; i++) {

                        final ILegend theLegend = legends[i];

                        final ILegend cloneLegend =theLegend.cloneLegend();

                        assertTrue(theLegend.getClassName()+ " wrong class name declaration in getXMLEntity() ",

                                        cloneLegend.getClass().equals(theLegend.getClass()));

                final Field[] theLegendFields = theLegend.getClass().getFields();

            for (int j = 0; j < theLegendFields.length; j++) {

                final Field fi = theLegendFields[j];

                final boolean wasAccessible = fi.isAccessible();

                fi.setAccessible(true);

                try {

                    assertTrue(theLegend.getClassName() + " fails or misses clonning the field " +fi.getName(),

                            fi.get(theLegend).equals(fi.get(cloneLegend)));

                } catch (IllegalArgumentException e) {

                    fail();

                } catch (IllegalAccessException e) {

                    fail();

                }

                fi.setAccessible(wasAccessible);

            }

                        }

                }

        /**

         * this test ensures that any legend always have a symbol ready to be used.

         * an empty legend is incorrect.

         *

         */

        public void testSymbolAvailability() {

                for (int i = 0; i < legends.length; i++) {

                        assertNotNull("Legend no. "+i+" '"+legends[i].getClassName()+" does not have a symbol ready to be used", legends[i].getDefaultSymbol());

                }

                for (int i = 0; i < legends.length; i++) {

                        if (legends[i] instanceof IVectorLegend) {

                                IVectorLegend vectLegend = (IVectorLegend) legends[i];

                                try {

                                        vectLegend.setDefaultSymbol(null);

                                        fail("setDefaultSymbol(ISymbol) should not accept null values");

                                } catch (NullPointerException e) {

                                        // correct

                                }

                        }

                }

        }

}