package aima.test.core.unit.agent.impl.aprog.simplerule;
import org.junit.Assert;
import org.junit.Test;
import aima.core.agent.Action;
import aima.core.agent.impl.DynamicAction;
import aima.core.agent.impl.DynamicPercept;
import aima.core.agent.impl.aprog.simplerule.ANDCondition;
import aima.core.agent.impl.aprog.simplerule.EQUALCondition;
import aima.core.agent.impl.aprog.simplerule.NOTCondition;
import aima.core.agent.impl.aprog.simplerule.ORCondition;
import aima.core.agent.impl.aprog.simplerule.Rule;
/**
* @author Ciaran O'Reilly
*
*/
public class RuleTest {
private static final Action ACTION_INITIATE_BRAKING = new DynamicAction(
"initiate-braking");
private static final Action ACTION_EMERGENCY_BRAKING = new DynamicAction(
"emergency-braking");
//
private static final String ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING = "car-in-front-is-braking";
private static final String ATTRIBUTE_CAR_IN_FRONT_IS_INDICATING = "car-in-front-is-indicating";
private static final String ATTRIBUTE_CAR_IN_FRONT_TIRES_SMOKING = "car-in-front-tires-smoking";
@Test
public void testEQUALRule() {
Rule r = new Rule(new EQUALCondition(ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING,
true), ACTION_INITIATE_BRAKING);
Assert.assertEquals(ACTION_INITIATE_BRAKING, r.getAction());
Assert.assertEquals(
"if car-in-front-is-braking==true then Action[name==initiate-braking].",
r.toString());
Assert.assertEquals(true, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, true)));
Assert.assertEquals(false, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, false)));
Assert.assertEquals(false, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_INDICATING, true)));
}
@Test
public void testNOTRule() {
Rule r = new Rule(new NOTCondition(new EQUALCondition(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, true)),
ACTION_INITIATE_BRAKING);
Assert.assertEquals(ACTION_INITIATE_BRAKING, r.getAction());
Assert.assertEquals(
"if ![car-in-front-is-braking==true] then Action[name==initiate-braking].",
r.toString());
Assert.assertEquals(false, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, true)));
Assert.assertEquals(true, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, false)));
Assert.assertEquals(true, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_INDICATING, true)));
}
@Test
public void testANDRule() {
Rule r = new Rule(new ANDCondition(new EQUALCondition(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, true), new EQUALCondition(
ATTRIBUTE_CAR_IN_FRONT_TIRES_SMOKING, true)),
ACTION_EMERGENCY_BRAKING);
Assert.assertEquals(ACTION_EMERGENCY_BRAKING, r.getAction());
Assert.assertEquals(
"if [car-in-front-is-braking==true && car-in-front-tires-smoking==true] then Action[name==emergency-braking].",
r.toString());
Assert.assertEquals(false, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, true)));
Assert.assertEquals(false, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_TIRES_SMOKING, true)));
Assert.assertEquals(true, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, true,
ATTRIBUTE_CAR_IN_FRONT_TIRES_SMOKING, true)));
Assert.assertEquals(false, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, false,
ATTRIBUTE_CAR_IN_FRONT_TIRES_SMOKING, true)));
Assert.assertEquals(false, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, true,
ATTRIBUTE_CAR_IN_FRONT_TIRES_SMOKING, false)));
}
@Test
public void testORRule() {
Rule r = new Rule(new ORCondition(new EQUALCondition(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, true), new EQUALCondition(
ATTRIBUTE_CAR_IN_FRONT_TIRES_SMOKING, true)),
ACTION_EMERGENCY_BRAKING);
Assert.assertEquals(ACTION_EMERGENCY_BRAKING, r.getAction());
Assert.assertEquals(
"if [car-in-front-is-braking==true || car-in-front-tires-smoking==true] then Action[name==emergency-braking].",
r.toString());
Assert.assertEquals(true, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, true)));
Assert.assertEquals(true, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_TIRES_SMOKING, true)));
Assert.assertEquals(true, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, true,
ATTRIBUTE_CAR_IN_FRONT_TIRES_SMOKING, true)));
Assert.assertEquals(true, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, false,
ATTRIBUTE_CAR_IN_FRONT_TIRES_SMOKING, true)));
Assert.assertEquals(true, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, true,
ATTRIBUTE_CAR_IN_FRONT_TIRES_SMOKING, false)));
Assert.assertEquals(false, r.evaluate(new DynamicPercept(
ATTRIBUTE_CAR_IN_FRONT_IS_BRAKING, false,
ATTRIBUTE_CAR_IN_FRONT_TIRES_SMOKING, false)));
}
}