def test_alarms(request, prefix, sevr_target, sevr_value, context):
pv = f'{prefix}C'
run_example_ioc('caproto.ioc_examples.mocking_records',
request=request,
args=['--prefix', prefix],
pv_to_check=pv)
PV = get_pv(pv, context=context)
get_pv(f'{pv}.{sevr_target}', context=context).put(sevr_value, wait=True)
def get_severity(postfix):
return get_pv(f'{pv}.{postfix}', context=context).get(as_string=False)
checks = (
('lower_ctrl_limit', 'lower_alarm_limit', AlarmStatus.LOLO,
get_severity('LLSV')),
('lower_alarm_limit', 'lower_warning_limit', AlarmStatus.LOW,
get_severity('LSV')),
('lower_warning_limit', 'upper_warning_limit', AlarmStatus.NO_ALARM,
AlarmSeverity.NO_ALARM),
('upper_warning_limit', 'upper_alarm_limit', AlarmStatus.HIGH,
get_severity('HSV')),
('upper_alarm_limit', 'upper_ctrl_limit', AlarmStatus.HIHI,
get_severity('HHSV')),
)
for minv, maxv, a_status, a_sevr in checks:
ctrl_vars = PV.get_ctrlvars()
v = (ctrl_vars[minv] + ctrl_vars[maxv]) / 2
PV.put(v, wait=True)
ctrl_vars = PV.get_ctrlvars()
assert ctrl_vars['status'] == a_status
assert ctrl_vars['severity'] == a_sevr
def __init__(self, prefix, *, filter_group, groups, abs_data, config_data,
eV, pmps_run, pmps_tdes, **kwargs):
super().__init__(prefix, **kwargs)
self.prefix = prefix
self.filter_group = filter_group
self.groups = groups
self.config_data = config_data
self.startup()
self.eV = epics.get_pv(eV, auto_monitor=True)
self.pmps_run = epics.get_pv(pmps_run, auto_monitor=True)
self.pmps_tdes = epics.get_pv(pmps_tdes, auto_monitor=True)
def test_limit_fields_and_description(request, prefix, context):
pv = f'{prefix}C'
run_example_ioc('caproto.ioc_examples.mocking_records',
request=request,
args=['--prefix', prefix],
pv_to_check=pv)
PV = get_pv(pv, context=context)
def check_fields():
for k, v in PV.get_ctrlvars().items():
if k in field_map:
fv, = read(f'{pv}.{field_map[k]}').data
assert v == fv
check_fields()
for v in field_map.values():
work_pv = f'{pv}.{v}'
write(work_pv, 2 * read(work_pv).data)
check_fields()
def string_read(pv):
return b''.join(read(pv, data_type=ChannelType.STRING).data)
assert string_read(f'{pv}.DESC') == b'The C pvproperty'
write(f'{pv}.DESC', 'a new description', notify=True)
assert string_read(f'{pv}.DESC') == b'a new description'
def test_put_empty_list(context, ioc):
pv = get_pv(ioc.pvs['waveform'], context=context)
pv.wait_for_connection(timeout=10)
assert pv.connected
pv.put([], wait=True)
ret = pv.get()
assert list(ret) == []
def test_event_read_collision(request, prefix, async_lib):
# this is testing that monitors do not get pushed into
# the socket while a ReadResponse is being pushed in parts.
conftest.run_example_ioc(
'caproto.ioc_examples.big_image_noisy_neighbor',
request=request,
args=['--prefix', prefix, '--async-lib', async_lib],
pv_to_check=f'{prefix}t1')
from caproto.threading.pyepics_compat import Context, get_pv
with Context() as cntx:
image = get_pv(pvname=f'{prefix}image', context=cntx)
t1 = get_pv(pvname=f'{prefix}t1', context=cntx)
t1.add_callback(lambda value, **kwargs: None)
for _ in range(4):
image.get(timeout=45)
image.disconnect()
t1.disconnect()
def __init__(self, channel, pv, protocol=None, parent=None):
super(Connection, self).__init__(channel, pv, protocol, parent)
self.app = QApplication.instance()
self._value = None
self._severity = None
self._precision = None
self._enum_strs = None
self._unit = None
self._upper_ctrl_limit = None
self._lower_ctrl_limit = None
self.pv = epics.get_pv(pv, connection_callback=self.send_connection_state, form='ctrl', auto_monitor=SubscriptionType.DBE_VALUE|SubscriptionType.DBE_ALARM|SubscriptionType.DBE_PROPERTY, access_callback=self.send_access_state)
self.pv.add_callback(self.send_new_value, with_ctrlvars=True)
self.add_listener(channel)
def test_limit_fields(request, prefix, context):
pv = f'{prefix}C'
run_example_ioc('caproto.ioc_examples.mocking_records',
request=request,
args=['--prefix', prefix],
pv_to_check=pv)
PV = get_pv(pv, context=context)
def check_fields():
for k, v in PV.get_ctrlvars().items():
if k in field_map:
fv, = read(f'{pv}.{field_map[k]}').data
assert v == fv
check_fields()
for v in field_map.values():
work_pv = f'{pv}.{v}'
write(work_pv, 2 * read(work_pv).data)
check_fields()
def __init__(self, channel, pv, protocol=None, parent=None):
super(Connection, self).__init__(channel, pv, protocol, parent)
self.app = QApplication.instance()
self._value = None
self._severity = None
self._precision = None
self._enum_strs = None
self._unit = None
self._upper_ctrl_limit = None
self._lower_ctrl_limit = None
self.pv = epics.get_pv(pv,
connection_callback=self.send_connection_state,
form='ctrl',
auto_monitor=SubscriptionType.DBE_VALUE
| SubscriptionType.DBE_ALARM
| SubscriptionType.DBE_PROPERTY,
access_callback=self.send_access_state)
self.pv.add_callback(self.send_new_value, with_ctrlvars=True)
self.add_listener(channel)
def get_severity(postfix):
return get_pv(f'{pv}.{postfix}', context=context).get(as_string=False)