def __init__(self, simulation):
"""Initialise a PropertyCalculation calculation object
:param simulation: The simulation from which the properties will be derived
:type simulation: tangos.core.simulation.Simulation
"""
self._simulation = simulation
self.timing_monitor = timing_monitor.TimingMonitor()
def test_timing_graceful_fail():
"""Issue #135: TimingMonitor could crash when monitoring procedures which themselves terminated early"""
x = Dummy()
x.timing_monitor = None
TM = tm.TimingMonitor()
lc = LogCapturer()
for i in range(5):
with TM(x):
TM.mark("hello")
TM.mark("goodbye")
with lc:
TM.summarise_timing(logger)
assert "INTERNAL BREAKDOWN" in lc.get_output()
assert "hello" in lc.get_output()
assert "goodbye" in lc.get_output()
# Now intentionally break the time measurements by failing to mark 'hello' and 'goodbye'
with TM(x):
pass
lc = LogCapturer()
with lc:
TM.summarise_timing(logger)
assert "hello" not in lc.get_output()
assert "goodbye" not in lc.get_output()
assert "INTERNAL BREAKDOWN" not in lc.get_output()
assert "Dummy" in lc.get_output()
# Now do a 'normal' run again - timing summary should continue to fail gracefully since it has no meaningful
# accumulation of timing stats.
with TM(x):
TM.mark("hello")
TM.mark("goodbye")
with lc:
TM.summarise_timing(logger)
assert "hello" not in lc.get_output()
assert "goodbye" not in lc.get_output()
assert "INTERNAL BREAKDOWN" not in lc.get_output()
assert "Dummy" in lc.get_output()