package org.geotools.data.shapefile;
import static org.junit.Assert.*;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.Collections;
import org.geotools.TestData;
import org.geotools.data.DataUtilities;
import org.geotools.data.Query;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.data.simple.SimpleFeatureIterator;
import org.geotools.data.simple.SimpleFeatureSource;
import org.geotools.factory.CommonFactoryFinder;
import org.junit.Test;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.filter.Filter;
import org.opengis.filter.FilterFactory;
import org.opengis.filter.identity.FeatureId;
/**
*
*
* @source $URL$
*/
public class DuplicateColumnNameReaderTest extends TestCaseSupport {
public final String SHPFILE = "dup-column/dup_column.shp";
// TODO The name "TestColumn1" for the duplicate column "TestColumn" is
// based on the current implementation of ShapefileDataStore.
public final String testColumn = "TestColumn1";
public final Integer expectedValue = new Integer(20);
@Test
public void testAttributeReader() throws IOException {
URL u = TestData.url(TestCaseSupport.class, SHPFILE);
File shpFile = DataUtilities.urlToFile(u);
// open the test shapefile
ShapefileDataStore store = new ShapefileDataStore(shpFile.toURI().toURL());
SimpleFeatureSource source = store.getFeatureSource();
// read the first feature
SimpleFeatureIterator iter = source.getFeatures().features();
SimpleFeature feature = iter.next();
iter.close();
// get the value of the duplicate column & compare it against expectation
assertEquals(expectedValue, feature.getAttribute(testColumn));
// cleanup
store.dispose();
}
@Test
public void testAttributeReaderIndexed() throws IOException {
URL u = TestData.url(TestCaseSupport.class, SHPFILE);
File shpFile = DataUtilities.urlToFile(u);
// open the test shapefile
// creates both indexed and regular shapefile data store
ShapefileDataStore indexedstore = new ShapefileDataStore(shpFile.toURI().toURL());
// get a random feature id from one of the stores
SimpleFeatureIterator it = indexedstore.getFeatureSource().getFeatures().features();
FeatureId fid = it.next().getIdentifier();
it.close();
// query the datastore
FilterFactory ff = CommonFactoryFinder.getFilterFactory(null);
Filter idFilter = ff.id(Collections.singleton(fid));
final Query query = new Query(indexedstore.getSchema().getName().getLocalPart(),
idFilter, new String[] { testColumn });
final SimpleFeatureCollection indexedfeatures = indexedstore.getFeatureSource()
.getFeatures(query);
// compare the results
SimpleFeatureIterator indexIterator = indexedfeatures.features();
SimpleFeature indexedFeature = indexIterator.next();
indexIterator.close();
// get the value of the duplicate column & compare it against expectation
assertEquals(expectedValue, indexedFeature.getAttribute(testColumn));
// cleanup
indexedstore.dispose();
}
}