ejercicio_mocking

ejercicio_mocking.java

public class Robot {

   private Direction direccion;
   private Sensor sensor;

   public Robot(Sensor sensor) {
      this.sensor = sensor;
   }

   public void setDirection(Direction direccion) {
      this.direccion = direccion;
   }

   public void move() {
      if (this.sensor.isInContact()) {
         this.direccion = this.direccion.getInverse();
      }
         
   }

   public Direction getDirection() {
      return this.direccion;
   }
}


public class Direction {

   private static Direction north;
   private static Direction south;
   private static Direction east;
   private static Direction west;
   
   static {
      north = new Direction();
      south = new Direction();
      east = new Direction();
      west = new Direction();
      
      north.setInverse(south);
      south.setInverse(north);
      east.setInverse(west);
      west.setInverse(east);
   }

   private Direction inverse;
   
   private Direction() {}
   
   private void setInverse(Direction inverse) {
      this.inverse = inverse;
   }

   public static Direction north() {
      return north;
   }

   public Direction getInverse() {
      return this.inverse;
   }

}

public interface Sensor {

   boolean isInContact();
}