wheretests.java

Mandarax是一个规则引擎的纯Java实现。它支持多类型的事实和基于反映的规则

package test.org.mandarax.util.resultsetfilters;
/*
 * Copyright (C) 1999-2004 <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</a>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import org.mandarax.kernel.InferenceException;
import org.mandarax.kernel.ResultSet;
import org.mandarax.util.resultsetfilters.*;
import junit.framework.TestSuite;

/**
 * Test suite to test the where filter.
 * @author <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</A>
 * @version 3.4 <7 March 05>
 * @since 3.0
 */

public class WhereTests extends AbstractTestSuite {
	private static Calendar calendar = GregorianCalendar.getInstance();
	
	/**
	 * Launch the test suite. See TestRunner for interpretation
	 * of command line parameters.
	 * @see test.org.mandarax.testsupport.TestRunner
	 * @param args parameters
	 */
	public static void main(String[] args) {
		test.org.mandarax.testsupport.TestRunner.run (WhereTests.class, args);
	}
	
	
	public static TestSuite suite() throws Exception {
		/* test kb:
			"Tom", "Meier", "01/01/1960", 80, 1.80;
			"John", "Meier", "01/01/1960", 90, 1.90;
			"Jim", "Smith", "01/01/1970", 100, 1.90;
			"Jack", "Smith", "01/01/1970", 60, 1.60;
			"Tom", "Taylor", "01/01/1980", 70, 1.70;
			"John", "Meijer", "01/01/1980", 80, 1.80;
			"Jim", "Mejer", "01/01/1990", 50, 1.50;
		*/
		
		TestSuite suite = new TestSuite("Test cases for the Where result set filter");

		suite.addTest(new WhereTestCase(
			"Where filter test case 1",
			new ResultSetCondition(){
				public boolean isSatisfiedBy(ResultSet rs) throws InferenceException {
					Object value = rs.getResult(NAME);
					return "Meier".equals(value);
				}
			},
			new Object[][] {
				convert("Tom", "Meier", "01/01/1960", 80, 1.80),
				convert("John", "Meier", "01/01/1960", 90, 1.90)								
			}
		));	
		suite.addTest(new WhereTestCase(
			"Where filter test case 2",
			new ResultSetCondition(){
				public boolean isSatisfiedBy(ResultSet rs) throws InferenceException {
					Date dob = (Date)rs.getResult(DOB);
					calendar.setTime(dob);
					return calendar.get(Calendar.YEAR)==1960;
				}
			},
			new Object[][] {
				convert("Tom", "Meier", "01/01/1960", 80, 1.80),
				convert("John", "Meier", "01/01/1960", 90, 1.90)								
			}
		));	
		suite.addTest(new WhereTestCase(
			"Where filter test case 3",
			new ResultSetCondition(){				
				public boolean isSatisfiedBy(ResultSet rs) throws InferenceException {
					int weight = ((Integer)rs.getResult(WEIGHT)).intValue();
					return weight==90;
				}
			},
			new Object[][] {
				convert("John", "Meier", "01/01/1960", 90, 1.90)								
			}
		));	
		suite.addTest(new WhereTestCase(
			"Where filter test case 4",
			new ResultSetCondition(){
				public boolean isSatisfiedBy(ResultSet rs) throws InferenceException {
					double size = ((Double)rs.getResult(SIZE)).doubleValue();
					return size==1.90;
				}
			},
			new Object[][] {
				convert("John", "Meier", "01/01/1960", 90, 1.90),
				convert("Jim", "Smith", "01/01/1970", 100, 1.90)								
			}
		));	

		return suite;
	}
}