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core: add error on zero length simulations #10738

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Feb 11, 2025
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core: add error on zero length simulations #10738

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1 change: 1 addition & 0 deletions core/osrd-reporting/src/main/java/fr/sncf/osrd/reporting/exceptions/ErrorType.java
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Original file line number Diff line number Diff line change
Expand Up @@ -171,6 +171,7 @@ public enum ErrorType {
"missing_route_from_chunk_path",
"couldn't find a route matching the given chunk list",
ErrorCause.INTERNAL),
ZeroLengthPath("zero_length_path", "can't simulate a zero length path", ErrorCause.USER),
;

public final String type;
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3 changes: 3 additions & 0 deletions core/src/main/kotlin/fr/sncf/osrd/standalone_sim/StandaloneSimulation.kt
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Expand Up @@ -28,6 +28,8 @@ import fr.sncf.osrd.envelope_sim_infra.computeMRSP
import fr.sncf.osrd.external_generated_inputs.ElectricalProfileMapping
import fr.sncf.osrd.railjson.schema.rollingstock.Comfort
import fr.sncf.osrd.railjson.schema.schedule.RJSAllowanceDistribution
import fr.sncf.osrd.reporting.exceptions.ErrorType.ZeroLengthPath
import fr.sncf.osrd.reporting.exceptions.OSRDError
import fr.sncf.osrd.sim_infra.api.*
import fr.sncf.osrd.sim_infra.impl.ChunkPath
import fr.sncf.osrd.standalone_sim.result.ElectrificationRange
Expand Down Expand Up @@ -67,6 +69,7 @@ fun runStandaloneSimulation(
pathItemPositions: List<Offset<Path>>,
driverBehaviour: DriverBehaviour = DriverBehaviour()
): SimulationSuccess {
if (chunkPath.length == 0.meters) throw OSRDError(ZeroLengthPath)
// MRSP & SpeedLimits
val safetySpeedRanges = makeSafetySpeedRanges(infra, chunkPath, routes, schedule)
var mrsp =
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