def test_epicssignal_readonly():
signal = EpicsSignalRO('readpv')
signal.wait_for_connection()
signal.value
with pytest.raises(ReadOnlyError):
signal.value = 10
with pytest.raises(ReadOnlyError):
signal.put(10)
with pytest.raises(ReadOnlyError):
signal.set(10)
# vestigial, to be removed
with pytest.raises(AttributeError):
signal.setpoint_ts
# vestigial, to be removed
with pytest.raises(AttributeError):
signal.setpoint
signal.precision
signal.timestamp
signal.limits
signal.read()
signal.describe()
signal.read_configuration()
signal.describe_configuration()
eval(repr(signal))
time.sleep(0.2)
def test_epicssignal_readonly():
signal = EpicsSignalRO('readpv')
signal.wait_for_connection()
signal.value
with pytest.raises(ReadOnlyError):
signal.value = 10
with pytest.raises(ReadOnlyError):
signal.put(10)
with pytest.raises(ReadOnlyError):
signal.set(10)
# vestigial, to be removed
with pytest.raises(AttributeError):
signal.setpoint_ts
# vestigial, to be removed
with pytest.raises(AttributeError):
signal.setpoint
signal.precision
signal.timestamp
signal.limits
signal.read()
signal.describe()
signal.read_configuration()
signal.describe_configuration()
eval(repr(signal))
time.sleep(0.2)
def test_epics_signal_derived(cleanup, signal_test_ioc):
signal = EpicsSignalRO(
read_pv=signal_test_ioc.pvs['read_only'],
name='original',
)
cleanup.add(signal)
signal.wait_for_connection()
assert signal.connected
assert signal.read_access
assert not signal.write_access
derived = DerivedSignal(derived_from=signal, name='derived')
derived.wait_for_connection()
assert derived.connected
assert derived.read_access
assert not derived.write_access
assert derived.timestamp == signal.timestamp
assert derived.get() == signal.value
def test_epicssignal_readonly(cleanup, signal_test_ioc):
signal = EpicsSignalRO(signal_test_ioc.pvs['read_only'])
cleanup.add(signal)
signal.wait_for_connection()
print('EpicsSignalRO.metadata=', signal.metadata)
signal.get()
assert not signal.write_access
assert signal.read_access
with pytest.raises(ReadOnlyError):
signal.value = 10
with pytest.raises(ReadOnlyError):
signal.put(10)
with pytest.raises(ReadOnlyError):
signal.set(10)
# vestigial, to be removed
with pytest.raises(AttributeError):
signal.setpoint_ts
# vestigial, to be removed
with pytest.raises(AttributeError):
signal.setpoint
signal.precision
signal.timestamp
signal.limits
signal.read()
signal.describe()
signal.read_configuration()
signal.describe_configuration()
eval(repr(signal))
time.sleep(0.2)
def test_epicssignal_readonly(cleanup, signal_test_ioc):
signal = EpicsSignalRO(signal_test_ioc.pvs['read_only'])
cleanup.add(signal)
signal.wait_for_connection()
print('EpicsSignalRO.metadata=', signal.metadata)
signal.value
assert not signal.write_access
assert signal.read_access
with pytest.raises(ReadOnlyError):
signal.value = 10
with pytest.raises(ReadOnlyError):
signal.put(10)
with pytest.raises(ReadOnlyError):
signal.set(10)
# vestigial, to be removed
with pytest.raises(AttributeError):
signal.setpoint_ts
# vestigial, to be removed
with pytest.raises(AttributeError):
signal.setpoint
signal.precision
signal.timestamp
signal.limits
signal.read()
signal.describe()
signal.read_configuration()
signal.describe_configuration()
eval(repr(signal))
time.sleep(0.2)
def ro_signal(cleanup, signal_test_ioc):
sig = EpicsSignalRO(signal_test_ioc.pvs['pair_rbv'], name='pair_rbv')
cleanup.add(sig)
sig.wait_for_connection()
return sig
def ro_signal(cleanup, signal_test_ioc):
sig = EpicsSignalRO(signal_test_ioc.pvs['pair_rbv'], name='pair_rbv')
cleanup.add(sig)
sig.wait_for_connection()
return sig
if acq_time % EPICS_SAMPLE_TIME != 0:
print('Acquisition Time Should Be An Integer Multiple Of %s s' %
EPICS_SAMPLE_TIME)
usage()
sys.exit(1)
outfile_name = args[3]
##############################################################################
# Instantiate EpicsSignalRO
sig_name = enc_pv.lower().replace(':', '_')
sig = EpicsSignalRO(enc_pv, auto_monitor=True, name=sig_name)
try:
sig.wait_for_connection(timeout=3.0)
except TimeoutError:
print('Could not connect to data from PV %s, timed out.' % enc_pv)
print('Either on wrong subnet or the ioc is off.')
print('Make sure you are on one of the following machines:')
print('psbuild-rhel7-01, psbuild-rhel7-02, lfe-console (lfe PVs),'
'kfe-console (kfe PVs')
sys.exit(1)
tvals = [] # Time values associated with each encoder RBV
enc_vals = [] # Encoder RBV arrays, 1000 elements each
timestamps = [] # timestamp for each encoder array
def cb(value=None, old_value=None, timestamp=None, **kwargs):
"""
def test_epicssignalro_alarm_status(cleanup, motor):
sig = EpicsSignalRO(motor.user_readback.pvname)
cleanup.add(sig)
sig.wait_for_connection()
sig.alarm_status
sig.alarm_severity