/**
* This test increases the travel time of a road, checks that the new travel time is accepted by
* SUMO, and verifies that the first vehicle changed its route. In contrast with {@link
* #testRerouting()}, the specified travel time applies to all vehicles in the simulation.
*
* @throws IOException
*/
@Test
public void testChangeGlobalTravelTime() throws IOException {
getFirstVehicle();
List<Edge> routeBefore = firstVehicle.getCurrentRoute();
log.info("Route before: " + routeBefore);
String edgeID = "middle";
Edge edge = conn.getEdgeRepository().getByID(edgeID);
ChangeGlobalTravelTimeQuery cttq = edge.queryChangeTravelTime();
cttq.setBeginTime(0);
cttq.setEndTime(1000);
cttq.setTravelTime(10000);
cttq.run();
ReadGlobalTravelTimeQuery rgttq = edge.queryReadGlobalTravelTime();
rgttq.setTime(conn.getCurrentSimStep());
double newTravelTime = rgttq.get();
assertEquals(10000, newTravelTime, DELTA);
firstVehicle.queryReroute().run();
List<Edge> routeAfter = firstVehicle.getCurrentRoute();
log.info("Route after: " + routeAfter);
assertFalse(routeBefore.equals(routeAfter));
}
/** main method */
public static void main(String[] args) {
SumoTraciConnection conn =
new SumoTraciConnection(
"test/sumo_maps/box1l/test.sumo.cfg", // config file
12345 // random seed
);
try {
conn.runServer();
// the first two steps of this simulation have no vehicles.
conn.nextSimStep();
conn.nextSimStep();
Collection<Vehicle> vehicles = conn.getVehicleRepository().getAll().values();
Vehicle aVehicle = vehicles.iterator().next();
System.out.println(
"Vehicle " + aVehicle + " will traverse these edges: " + aVehicle.getCurrentRoute());
conn.close();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* This test checks ensures that changing the destination road also changes the vehicle's current
* route list such that the last road is the new destination road.
*
* @throws IOException
*/
@Test
public void testChangeTargetAlsoAffectsRouteList() throws IOException {
getFirstVehicle();
Vehicle v = firstVehicle;
Edge endEdge = conn.getEdgeRepository().getByID("end");
v.changeTarget(endEdge);
List<Edge> route = v.getCurrentRoute();
assertEquals("end", route.get(route.size() - 1).getID());
}
/**
* This test tries to explicitly set a vehicle's route, and verifies that SUMO accepts it.
*
* @throws IOException
*/
@Test
public void testChangeRoute() throws IOException {
getFirstVehicle();
Vehicle v = firstVehicle;
List<Edge> newRoute = new ArrayList<Edge>();
newRoute.add(conn.getEdgeRepository().getByID("beg"));
newRoute.add(conn.getEdgeRepository().getByID("beg2left"));
newRoute.add(conn.getEdgeRepository().getByID("left"));
newRoute.add(conn.getEdgeRepository().getByID("left2end"));
v.changeRoute(newRoute);
assertEquals(newRoute, v.getCurrentRoute());
}
/**
* This test increases the travel time of a road "perceived" by the first vehicle. This will make
* the vehicle look for an alternative route.
*
* @throws IOException
*/
@Test
public void testRerouting() throws IOException {
getFirstVehicle();
List<Edge> routeBefore = firstVehicle.getCurrentRoute();
log.info("Route before: " + routeBefore);
String edgeID = "middle";
Edge edge = conn.getEdgeRepository().getByID(edgeID);
ChangeEdgeTravelTimeQuery settq = firstVehicle.querySetEdgeTravelTime();
settq.setEdge(edge);
settq.setTravelTime(10000);
settq.run();
firstVehicle.queryReroute().run();
List<Edge> routeAfter = firstVehicle.getCurrentRoute();
log.info("Route after: " + routeAfter);
assertFalse(routeBefore.equals(routeAfter));
}
/**
* This test reads a vehicle's route and checks for its correctness. (they all have the same
* route)
*
* @throws IOException
*/
@Test
public void testRoute() throws IOException {
getFirstVehicle();
List<Edge> route = firstVehicle.getCurrentRoute();
assertEquals(4, route.size());
Iterator<Edge> it = route.iterator();
assertEquals("beg", it.next().getID());
assertEquals("middle", it.next().getID());
assertEquals("end", it.next().getID());
assertEquals("rend", it.next().getID());
}