/**
* DataCleaner (community edition)
* Copyright (C) 2014 Neopost - Customer Information Management
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.datacleaner.beans.valuedist;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import org.datacleaner.api.InputColumn;
import org.datacleaner.data.MockInputColumn;
import org.datacleaner.data.MockInputRow;
import org.datacleaner.descriptors.AnalyzerDescriptor;
import org.datacleaner.descriptors.Descriptors;
import org.datacleaner.result.CrosstabResult;
import org.datacleaner.result.renderer.CrosstabTextRenderer;
import junit.framework.TestCase;
public class WeekdayDistributionAnalyzerTest extends TestCase {
public void testDescriptorIsDistributable() throws Exception {
final AnalyzerDescriptor<WeekdayDistributionAnalyzer> desc =
Descriptors.ofAnalyzer(WeekdayDistributionAnalyzer.class);
assertTrue(desc.isDistributable());
}
public void testTypicalUsage() throws Exception {
final WeekdayDistributionAnalyzer analyzer = new WeekdayDistributionAnalyzer();
@SuppressWarnings("unchecked") final InputColumn<Date>[] dateColumns = new InputColumn[3];
dateColumns[0] = new MockInputColumn<>("Order date", Date.class);
dateColumns[1] = new MockInputColumn<>("Shipment date", Date.class);
dateColumns[2] = new MockInputColumn<>("Delivery date", Date.class);
analyzer.setDateColumns(dateColumns);
analyzer.init();
// 1x: friday, saturday, tuesday
analyzer.run(new MockInputRow(dateColumns,
new Object[] { toDate(2010, 1, 1), toDate(2010, 1, 2), toDate(2010, 1, 5) }), 1);
// 2x: monday, tuesday, friday
analyzer.run(new MockInputRow(dateColumns,
new Object[] { toDate(2010, 2, 1), toDate(2010, 2, 2), toDate(2010, 2, 5) }), 2);
// 1x: thursday, friday, monday
analyzer.run(new MockInputRow(dateColumns,
new Object[] { toDate(2010, 4, 1), toDate(2010, 4, 2), toDate(2010, 4, 5) }), 1);
final CrosstabResult result = analyzer.getResult();
final String[] resultLines = new CrosstabTextRenderer().render(result).split("\n");
assertEquals(8, resultLines.length);
assertEquals(" Order date Shipment date Delivery date ", resultLines[0]);
assertEquals("Sunday 0 0 0 ", resultLines[1]);
assertEquals("Monday 2 0 1 ", resultLines[2]);
assertEquals("Tuesday 0 2 1 ", resultLines[3]);
assertEquals("Wednesday 0 0 0 ", resultLines[4]);
assertEquals("Thursday 1 0 0 ", resultLines[5]);
assertEquals("Friday 1 1 2 ", resultLines[6]);
assertEquals("Saturday 0 1 0 ", resultLines[7]);
}
public void testDateGen() throws Exception {
final Date d = toDate(2010, 1, 1);
assertEquals("2010-01-01", new SimpleDateFormat("yyyy-MM-dd").format(d));
}
private Date toDate(final int year, final int month, final int date) {
final Calendar c = Calendar.getInstance();
c.setTimeInMillis(0L);
c.set(Calendar.YEAR, year);
c.set(Calendar.MONTH, month - 1);
c.set(Calendar.DAY_OF_MONTH, date);
return c.getTime();
}
}