def find_reason_to_skip_run(reduction_run: ReductionRun, message: Message, instrument) -> Optional[str]:
"""
Determine whether the processing should be skippped. The run will be
skipped if the message validation fails or if the instrument is paused.
"""
if reduction_run.script.text == "":
return "Script text for current instrument is empty"
try:
message.validate("data_ready")
except RuntimeError as validation_err:
return f"Validation error from handler: {validation_err}"
if not instrument.is_active:
return f"Run {message.run_number} has been skipped because the instrument {instrument.name} is inactive"
if instrument.is_paused:
return f"Run {message.run_number} has been skipped because the instrument {instrument.name} is paused"
return None
def test_validate_data_ready_valid(self):
"""
Test: No exception is raised
When: Calling validate for data_ready with a valid message
"""
message = Message(instrument='GEM',
run_number=111,
rb_number=2222222,
data='file/path',
facility="ISIS",
started_by=0)
try:
self.assertIsNone(message.validate('/queue/DataReady'))
except RuntimeError:
self.fail()