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fix(sim): fixed device for testing a describe failure

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wakonig_k 2025-01-07 13:51:10 +01:00
parent 58f89e5298
commit 905535b049
1 changed files with 15 additions and 3 deletions
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18
ophyd_devices/sim/sim_test_devices.py
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@ -175,11 +175,23 @@ class SimPositionerWithCommFailure(SimPositioner):
class SimPositionerWithDescribeFailure(SimPositioner): class SimPositionerWithDescribeFailure(SimPositioner):
_fail = True """
Simulated positioner that raises a RuntimeError if the 'e2e_test_<name>_fail' endpoint is set to 1 using
a DeviceStatusMessage. This is used to test the behavior of the device when the describe method fails.
"""
def __init__(self, *args, device_manager=None, **kwargs):
super().__init__(*args, **kwargs)
self.device_manager = device_manager
def _get_fail_state(self):
msg = self.device_manager.connector.get(f"e2e_test_{self.name}_fail")
if not msg:
return 0
return msg.status
def describe(self): def describe(self):
SimPositionerWithDescribeFailure._fail = not SimPositionerWithDescribeFailure._fail if self._get_fail_state() == 1:
if SimPositionerWithDescribeFailure._fail:
raise RuntimeError("Communication failure") raise RuntimeError("Communication failure")
return super().describe() return super().describe()