Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Gobernment (CIT)

 * 

 * 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., 51 Franklin Street, Fifth Floor, Boston, 

 * MA  02110-1301, USA.

 * 

 */

/*

 * AUTHORS (In addition to CIT):

 * 2008 {DiSiD Technologies}  {{Task}}

 */

package org.gvsig.fmap.data.feature.paging;

import java.util.Iterator;

import junit.framework.TestCase;

import org.easymock.MockControl;

import org.gvsig.fmap.data.feature.Feature;

import org.gvsig.fmap.data.feature.FeatureSet;

import org.gvsig.fmap.data.feature.FeatureStore;

import org.gvsig.fmap.data.feature.impl.FeatureIterator;

/**

 * @author <a href="mailto:cordin@disid.com">C?sar Ordi?ana</a>

 */

public class FeatureCollectionPagingHelperTest extends TestCase {

    private FeaturePagingHelper helper;

    private MockControl collectionControl;

    private FeatureSet collectionMock;

    private MockControl storeControl;

    private FeatureStore storeMock;

    protected void setUp() throws Exception {

        super.setUp();

        collectionControl = MockControl

                .createNiceControl(FeatureSet.class);

        collectionMock = (FeatureSet) collectionControl.getMock();

        storeControl = MockControl.createNiceControl(FeatureStore.class);

        storeMock = (FeatureStore) storeControl.getMock();

    }

    protected void tearDown() throws Exception {

        super.tearDown();

    }

    /**

     * Test method for

     * {@link org.gvsig.fmap.data.feature.paging.FeaturePagingHelper#getMaxPageSize()}

     */

    public void testGetMaxPageSize() throws Exception {

        storeControl.expectAndReturn(storeMock.getFeatureSet(),

                collectionMock, 2);

        storeControl.replay();

        collectionControl.expectAndReturn(collectionMock.size(), 10, 2);

        collectionControl.replay();

        helper = new FeaturePagingHelperImpl(storeMock);

        assertEquals(

                "El tama?o m?ximo de p?gina no es el establecido en el helper",

                FeaturePagingHelper.DEFAULT_PAGE_SIZE, helper

                        .getMaxPageSize());

        helper = new FeaturePagingHelperImpl(storeMock, 5);

        assertEquals(

                "El tama?o m?ximo de p?gina no es el establecido en el helper",

                5, helper.getMaxPageSize());

        storeControl.verify();

        collectionControl.verify();

    }

    /**

     * Test method for

     * {@link org.gvsig.fmap.data.feature.paging.FeaturePagingHelper#getNumPages()}

     * .

     */

    public void testGetNumPages() throws Exception {

        storeControl.expectAndReturn(storeMock.getFeatureSet(),

                collectionMock);

        storeControl.replay();

        collectionControl.expectAndReturn(collectionMock.size(), 10);

        collectionControl.replay();

        helper = new FeaturePagingHelperImpl(storeMock);

        assertEquals("El n? de p?ginas calculadas no es correcto", 1, helper

                .getNumPages());

        storeControl.verify();

        collectionControl.verify();

    }

    /**

     * Test method for

     * {@link org.gvsig.fmap.data.feature.paging.FeaturePagingHelper#getTotalSize()}

     * .

     */

    public void testGetTotalSize() throws Exception {

        storeControl.expectAndReturn(storeMock.getFeatureSet(),

                collectionMock);

        storeControl.replay();

        collectionControl.expectAndReturn(collectionMock.size(), 10, 2);

        collectionControl.replay();

        helper = new FeaturePagingHelperImpl(storeMock);

        assertEquals("El n? total de features no es el de la Colecci?n", 10,

                helper.getTotalSize());

        storeControl.verify();

        collectionControl.verify();

    }

    /**

     * Test method for

     * {@link org.gvsig.fmap.data.feature.paging.FeaturePagingHelper#getFeatureAt(int)}

     * .

     */

    public void testGetFeatureAt() throws Exception {

        // Create two mock features for the test.

        MockControl featureControl = MockControl.createControl(Feature.class);

        Feature mockFeature1 = (Feature) featureControl.getMock();

        Feature mockFeature2 = (Feature) featureControl.getMock();

        // Create a mock Iterator to return the Features.

        MockControl iteratorControl = MockControl

                .createControl(FeatureIterator.class);

        Iterator mockIterator = (Iterator) iteratorControl.getMock();

        // Values 0 and 1

        mockIterator.hasNext();

        iteratorControl.setReturnValue(true);

        mockIterator.next();

        iteratorControl.setReturnValue(mockFeature1);

        mockIterator.hasNext();

        iteratorControl.setReturnValue(true);

        mockIterator.next();

        iteratorControl.setReturnValue(mockFeature2);

        mockIterator.hasNext();

        iteratorControl.setReturnValue(false);

        // Values 4 and 5

        mockIterator.hasNext();

        iteratorControl.setReturnValue(true);

        mockIterator.next();

        iteratorControl.setReturnValue(mockFeature2);

        mockIterator.hasNext();

        iteratorControl.setReturnValue(true);

        mockIterator.next();

        iteratorControl.setReturnValue(mockFeature1);

        mockIterator.hasNext();

        iteratorControl.setReturnValue(false);

        iteratorControl.replay();

        // Define the mock Collection operations.

        storeControl.expectAndReturn(storeMock.getFeatureSet(),

                collectionMock);

        storeControl.replay();

        collectionControl.expectAndReturn(collectionMock.size(), 11);

        collectionControl.expectAndReturn(collectionMock.iterator(0),

                mockIterator);

        collectionControl.expectAndReturn(collectionMock.iterator(4),

                mockIterator);

        collectionControl.replay();

        helper = new FeaturePagingHelperImpl(storeMock, 2);

        // Check the returned Features are the correct ones

        Feature feature = helper.getFeatureAt(0);

        assertEquals("La Feature devuelta no es la que corresponde "

                + "al ?ndice solicitado: 0", mockFeature1, feature);

        feature = helper.getFeatureAt(1);

        assertEquals("La Feature devuelta no es la que corresponde "

                + "al ?ndice solicitado: 1", mockFeature2, feature);

        feature = helper.getFeatureAt(5);

        assertEquals("La Feature devuelta no es la que corresponde "

                + "al ?ndice solicitado: 5", mockFeature1, feature);

        try {

            feature = helper.getFeatureAt(9999);

            fail("Returned a value for a non existent Feature position");

        } catch (Exception ex) {

            // Good

        }

        storeControl.verify();

        collectionControl.verify();

        iteratorControl.verify();

    }

    /**

     * Test method for

     * {@link org.gvsig.fmap.data.feature.paging.FeaturePagingHelper#setCurrentPage(int)}

     * .

     */

    public void testSetCurrentPage() throws Exception {

        storeControl.expectAndReturn(storeMock.getFeatureSet(),

                collectionMock);

        storeControl.replay();

        collectionControl.expectAndReturn(collectionMock.size(), 10);

        collectionControl.replay();

        helper = new FeaturePagingHelperImpl(storeMock);

        try {

            helper.setCurrentPage(-4);

            fail("Allowed to set a negative number as the current page");

        } catch (Exception ex) {

            // Good

        }

        try {

            helper.setCurrentPage(99999);

            fail("Allowed to set a current page greater than the number "

                    + "of available pages");

        } catch (Exception ex) {

            // Good

        }

        storeControl.verify();

        collectionControl.verify();

    }

}