getConnectableBus throws AssertionError

[jeandemanged]

• Do you want to request a feature or report a bug?
  A bug

• What is the current behavior?
  For some Terminals, calling getConnectableBus() results in an AssertionError being thrown. Seems to happen for dead substations.

• If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem
  See attached minimal IIDM file. Calling getConnectableBus() on the generator's Terminal reproduces the issue.

small.zip

• What is the expected behavior?
  No AssertionError being thrown, getConnectableBus() returns null (as it was the case in previous 2.6.0 release)

• Please tell us about your environment:

  • PowSyBl Version: 3.0.0

• Other information (e.g. detailed explanation, stacktraces, related issues, suggestions how to fix, links for us to have context, eg. stackoverflow, spectrum, etc)
  java.lang.AssertionError: Should not happen at com.powsybl.iidm.network.impl.NodeBreakerVoltageLevel$CalculatedBusTopology.getConnectableBus(NodeBreakerVoltageLevel.java:405) at com.powsybl.iidm.network.impl.NodeTerminal$3.getConnectableBus(NodeTerminal.java:72) at com.powsybl.iidm.network.impl.NodeTerminal$3.getConnectableBus(NodeTerminal.java:63)

[miovd]

Hi,

This issue should be resolved in next release, the commit to correct it has been merged: ed24b0d (PR #1008)