def testCtrlStruct_ValueMonitor(self):
'''Monitor PV (value events) through GW - change value and properties directly - check CTRL structure consistency'''
diffs = []
# gwcachetest is an ai record with full set of alarm limits: -100 -10 10 100
gw = ca.create_channel("gateway:gwcachetest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected,
"Could not connect to gateway channel " + ca.name(gw))
(gw_cbref, gw_uaref,
gw_eventid) = ca.create_subscription(gw,
mask=dbr.DBE_VALUE,
use_ctrl=True,
callback=self.onChangeGW)
ioc = ca.create_channel("ioc:gwcachetest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected,
"Could not connect to ioc channel " + ca.name(ioc))
(ioc_cbref, ioc_uaref,
ioc_eventid) = ca.create_subscription(ioc,
mask=dbr.DBE_VALUE,
use_ctrl=True,
callback=self.onChangeIOC)
# set value on IOC
ioc_value = ca.create_channel("ioc:gwcachetest")
ca.put(ioc_value, 10.0, wait=True)
gwtests.wait_until(
lambda: self.eventsReceivedIOC == self.eventsReceivedGW, 5.0)
self.assertTrue(
self.eventsReceivedIOC == self.eventsReceivedGW,
"After setting value, no. of received updates differ: GW {0}, IOC {1}"
.format(str(self.eventsReceivedGW), str(self.eventsReceivedIOC)))
(are_diff, diffs) = self.compareStructures()
self.assertTrue(
are_diff == False,
"At update {0} (change value), received structure updates differ:\n\t{1}"
.format(str(self.eventsReceivedIOC), "\n\t".join(diffs)))
# set property on IOC
ioc_hihi = ca.create_channel("ioc:gwcachetest.HIHI")
ca.put(ioc_hihi, 123.0, wait=True)
ca.put(ioc_value, 11.0, wait=True) # trigger update
gwtests.wait_until(
lambda: self.eventsReceivedIOC == self.eventsReceivedGW, 5.0)
self.assertTrue(
self.eventsReceivedIOC == self.eventsReceivedGW,
"After setting property, no. of received updates differ: GW {0}, IOC {1}"
.format(str(self.eventsReceivedGW), str(self.eventsReceivedIOC)))
(are_diff, diffs) = self.compareStructures()
self.assertTrue(
are_diff == False,
"At update {0} (change property), received structure updates differ:\n\t{1}"
.format(str(self.eventsReceivedIOC), "\n\t".join(diffs)))
def testEnumPropCache_ValueMonitorCTRLget(self):
'''Monitor PV (value events) through GW - change ENUM string directly - get the DBR_CTRL of the PV through GW'''
# gateway should show no VC (client side connection) and no PV (IOC side connection)
self.updateGwStats()
self.assertTrue(self.vctotal == 0, "Expected GW VC total count: 0, actual: " + str(self.vctotal))
self.assertTrue(self.pvtotal == 0, "Expected GW PV total count: 0, actual: " + str(self.pvtotal))
self.assertTrue(self.connected == 0, "Expected GW connected PV count: 0, actual: " + str(self.connected))
self.assertTrue(self.active == 0, "Expected GW active PV count: 0, actual: " + str(self.active))
self.assertTrue(self.inactive == 0, "Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# enumtest is an mbbi record with three strings defined: zero one two
gw = ca.create_channel("gateway:enumtest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected, "Could not connect to gateway channel " + ca.name(gw))
(gw_cbref, gw_uaref, gw_eventid) = ca.create_subscription(gw, mask=dbr.DBE_VALUE, callback=self.onChange)
ioc = ca.create_channel("ioc:enumtest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected, "Could not connect to ioc channel " + ca.name(gw))
(ioc_cbref, ioc_uaref, ioc_eventid) = ca.create_subscription(ioc, mask=dbr.DBE_VALUE, callback=self.onChange)
# gateway should show one VC and one connected active PV
self.updateGwStats()
self.assertTrue(self.vctotal == 1, "Expected GW VC total count: 1, actual: " + str(self.vctotal))
self.assertTrue(self.pvtotal == 1, "Expected GW PV total count: 1, actual: " + str(self.pvtotal))
self.assertTrue(self.connected == 1, "Expected GW connected PV count: 1, actual: " + str(self.connected))
self.assertTrue(self.active == 1, "Expected GW active PV count: 1, actual: " + str(self.active))
self.assertTrue(self.inactive == 0, "Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# enum string should not have been updated
ioc_ctrl = ca.get_ctrlvars(ioc)
oneStr = ioc_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'one', "Expected IOC enum[1]: one; actual enum[1]: "+ oneStr)
gw_ctrl = ca.get_ctrlvars(gw)
oneStr = gw_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'one', "Expected GW enum[1]: one; actual enum[1]: "+ oneStr)
# set enum string on IOC
ioc_enum1 = ca.create_channel("ioc:enumtest.ONST")
ca.put(ioc_enum1, 'uno', wait=True)
time.sleep(.1)
# Now the enum string should have been updated (if IOC supports DBE_PROPERTY)
ioc_ctrl = ca.get_ctrlvars(ioc)
oneStr = ioc_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'uno', "Expected IOC enum[1]: uno; actual enum[1]: "+ oneStr)
if self.propSupported:
gw_expected = 'uno'
else:
gw_expected = 'one'
gw_ctrl = ca.get_ctrlvars(gw)
oneStr = gw_ctrl['enum_strs'][1]
self.assertTrue(oneStr == gw_expected, "Expected GW enum[1]: {0}; actual enum[1]: {1}".format(gw_expected, oneStr))
def _test_array_callback(self, arrayname, array_type, length, element_type):
""" Helper function to subscribe to a PV array and check it
receives at least one subscription callback w/ specified type,
length & uniform element type. Checks separately for normal,
TIME & CTRL subscription variants. Returns the array or fails
an assertion."""
results = {}
for form in [ 'normal', 'time', 'ctrl' ]:
chid = ca.create_channel(arrayname,connect=True)
cb, uarg, eventID = ca.create_subscription(chid, use_time=form=='time', use_ctrl=form=='ctrl', callback=onChanges)
CHANGE_DAT.pop(arrayname, None)
timeout=0
# wait up to 6 seconds, if no callback probably due to simulator.py
# not running...
while timeout<120 and not arrayname in CHANGE_DAT:
time.sleep(0.05)
timeout = timeout+1
val = CHANGE_DAT.get(arrayname, None)
ca.clear_subscription(eventID)
self.assertIsNot(val, None)
self.assertEqual(type(val), array_type)
self.assertEqual(len(val), length)
self.assertEqual(type(val[0]), element_type)
self.assertTrue(all( type(e)==element_type for e in val))
results[form] = val
return results
def setup_callback(pvname):
def my_cb(pvname=None, value=None, **kw):
sys.stdout.write( 'get: %s value=%s, kw=%s\n' %( pvname, str(value), repr(kw)))
sys.stdout.flush()
chid = ca.create_channel(pvname)
return ca.create_subscription(chid, callback=my_cb)
def _test_array_callback(self, arrayname, array_type, length, element_type):
""" Helper function to subscribe to a PV array and check it
receives at least one subscription callback w/ specified type,
length & uniform element type. Checks separately for normal,
TIME & CTRL subscription variants. Returns the array or fails
an assertion."""
results = {}
for form in [ 'normal', 'time', 'ctrl' ]:
chid = ca.create_channel(arrayname,connect=True)
cb, uarg, eventID = ca.create_subscription(chid, use_time=form=='time', use_ctrl=form=='ctrl', callback=onChanges)
CHANGE_DAT.pop(arrayname, None)
timeout=0
# wait up to 6 seconds, if no callback probably due to simulator.py
# not running...
while timeout<120 and not arrayname in CHANGE_DAT:
time.sleep(0.05)
timeout = timeout+1
val = CHANGE_DAT.get(arrayname, None)
ca.clear_subscription(eventID)
self.assertIsNot(val, None)
self.assertEqual(type(val), array_type)
self.assertEqual(len(val), length)
self.assertEqual(type(val[0]), element_type)
self.assertTrue(all( type(e)==element_type for e in val))
results[form] = val
return results
def setup_callback(pvname):
def my_cb(pvname=None, value=None, **kw):
sys.stdout.write('get: %s value=%s, kw=%s\n' %
(pvname, str(value), repr(kw)))
sys.stdout.flush()
chid = ca.create_channel(pvname)
return ca.create_subscription(chid, callback=my_cb)
def testCtrlStruct_ValueMonitor(self):
'''Monitor PV (value events) through GW - change value and properties directly - check CTRL structure consistency'''
diffs = []
# gwcachetest is an ai record with full set of alarm limits: -100 -10 10 100
gw = ca.create_channel("gateway:gwcachetest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected, "Could not connect to gateway channel " + ca.name(gw))
(gw_cbref, gw_uaref, gw_eventid) = ca.create_subscription(gw, mask=dbr.DBE_VALUE, use_ctrl=True, callback=self.onChangeGW)
ioc = ca.create_channel("ioc:gwcachetest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected, "Could not connect to ioc channel " + ca.name(ioc))
(ioc_cbref, ioc_uaref, ioc_eventid) = ca.create_subscription(ioc, mask=dbr.DBE_VALUE, use_ctrl=True, callback=self.onChangeIOC)
# set value on IOC
ioc_value = ca.create_channel("ioc:gwcachetest")
ca.put(ioc_value, 10.0, wait=True)
time.sleep(.1)
self.assertTrue(self.eventsReceivedIOC == self.eventsReceivedGW,
"After setting value, no. of received updates differ: GW {0}, IOC {1}"
.format(str(self.eventsReceivedGW), str(self.eventsReceivedIOC)))
(are_diff, diffs) = self.compareStructures()
self.assertTrue(are_diff == False,
"At update {0} (change value), received structure updates differ:\n\t{1}"
.format(str(self.eventsReceivedIOC), "\n\t".join(diffs)))
# set property on IOC
ioc_hihi = ca.create_channel("ioc:gwcachetest.HIHI")
ca.put(ioc_hihi, 123.0, wait=True)
ca.put(ioc_value, 11.0, wait=True) # trigger update
time.sleep(.1)
self.assertTrue(self.eventsReceivedIOC == self.eventsReceivedGW,
"After setting property, no. of received updates differ: GW {0}, IOC {1}"
.format(str(self.eventsReceivedGW), str(self.eventsReceivedIOC)))
(are_diff, diffs) = self.compareStructures()
self.assertTrue(are_diff == False,
"At update {0} (change property), received structure updates differ:\n\t{1}"
.format(str(self.eventsReceivedIOC), "\n\t".join(diffs)))
def test_subscription_double(self):
pvn = pvnames.updating_pv1
chid = ca.create_channel(pvn,connect=True)
cb, uarg, eventID = ca.create_subscription(chid, callback=onChanges)
start_time = time.time()
global CHANGE_DAT
while time.time()-start_time < 5.0:
time.sleep(0.01)
if CHANGE_DAT.get(pvn, None) is not None:
break
val = CHANGE_DAT.get(pvn, None)
ca.clear_subscription(eventID)
self.assertIsNot(val, None)
def test_subscription_str():
pvn = pvnames.updating_str1
write(" Subscription on string: %s " % pvn)
chid = ca.create_channel(pvn, connect=True)
cb, uarg, eventID = ca.create_subscription(chid, callback=onChanges)
start_time = time.time()
global CHANGE_DAT
while time.time() - start_time < 3.0:
time.sleep(0.01)
ca.put(chid, "%.1f" % (time.time() - start_time))
if CHANGE_DAT.get(pvn, None) is not None:
break
assert CHANGE_DAT.get(pvn, None) is not None
def test_subscription_double(self):
pvn = pvnames.updating_pv1
chid = ca.create_channel(pvn,connect=True)
cb, uarg, eventID = ca.create_subscription(chid, callback=onChanges)
start_time = time.time()
global CHANGE_DAT
while time.time()-start_time < 5.0:
time.sleep(0.01)
if CHANGE_DAT.get(pvn, None) is not None:
break
val = CHANGE_DAT.get(pvn, None)
ca.clear_subscription(eventID)
self.assertNotEqual(val, None)
def test_subscription_str(self):
pvn = pvnames.updating_str1
write(" Subscription on string: %s " % pvn)
chid = ca.create_channel(pvn,connect=True)
cb, uarg, eventID = ca.create_subscription(chid, callback=onChanges)
start_time = time.time()
global CHANGE_DAT
while time.time()-start_time < 3.0:
time.sleep(0.01)
ca.put(chid, "%.1f" % (time.time()-start_time) )
if CHANGE_DAT.get(pvn, None) is not None:
break
val = CHANGE_DAT.get(pvn, None)
# ca.clear_subscription(eventID)
self.assertNotEqual(val, None)
time.sleep(0.2)
def test_subscription_custom(self):
pvn = pvnames.updating_pv1
chid = ca.create_channel(pvn, connect=True)
global change_count
change_count = 0
def my_callback(pvname=None, value=None, **kws):
write( ' Custom Callback %s value=%s' %(pvname, str(value)))
global change_count
change_count = change_count + 1
cb, uarg, eventID = ca.create_subscription(chid, callback=my_callback)
start_time = time.time()
while time.time()-start_time < 2.0:
time.sleep(0.01)
ca.clear_subscription(eventID)
time.sleep(0.2)
self.assertTrue(change_count > 2)
def test_subscription_custom(self):
pvn = pvnames.updating_pv1
chid = ca.create_channel(pvn, connect=True)
global change_count
change_count = 0
def my_callback(pvname=None, value=None, **kws):
write( ' Custom Callback %s value=%s' %(pvname, str(value)))
global change_count
change_count = change_count + 1
cb, uarg, eventID = ca.create_subscription(chid, callback=my_callback)
start_time = time.time()
while time.time()-start_time < 2.0:
time.sleep(0.01)
ca.clear_subscription(eventID)
time.sleep(0.2)
self.assertTrue(change_count > 2)
def testPropCache_ValueMonitorCTRLget(self):
'''Monitor PV (value events) through GW - change properties (HIGH, EGU) directly - get the DBR_CTRL of the PV through GW'''
# gateway should show no VC (client side connection) and no PV (IOC side connection)
self.updateGwStats()
self.assertTrue(
self.vctotal == 0,
"Expected GW VC total count: 0, actual: " + str(self.vctotal))
self.assertTrue(
self.pvtotal == 0,
"Expected GW PV total count: 0, actual: " + str(self.pvtotal))
self.assertTrue(
self.connected == 0,
"Expected GW connected PV count: 0, actual: " +
str(self.connected))
self.assertTrue(
self.active == 0,
"Expected GW active PV count: 0, actual: " + str(self.active))
self.assertTrue(
self.inactive == 0,
"Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# gwcachetest is an ai record with full set of alarm limits: -100 -10 10 100
gw = ca.create_channel("gateway:gwcachetest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected,
"Could not connect to gateway channel " + ca.name(gw))
(gw_cbref, gw_uaref,
gw_eventid) = ca.create_subscription(gw,
mask=dbr.DBE_VALUE,
callback=self.onChange)
ioc = ca.create_channel("ioc:gwcachetest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected,
"Could not connect to ioc channel " + ca.name(ioc))
(ioc_cbref, ioc_uaref,
ioc_eventid) = ca.create_subscription(ioc,
mask=dbr.DBE_VALUE,
callback=self.onChange)
# gateway should show one VC and one connected active PV
self.updateGwStats()
self.assertTrue(
self.vctotal == 1,
"Expected GW VC total count: 1, actual: " + str(self.vctotal))
self.assertTrue(
self.pvtotal == 1,
"Expected GW PV total count: 1, actual: " + str(self.pvtotal))
self.assertTrue(
self.connected == 1,
"Expected GW connected PV count: 1, actual: " +
str(self.connected))
self.assertTrue(
self.active == 1,
"Expected GW active PV count: 1, actual: " + str(self.active))
self.assertTrue(
self.inactive == 0,
"Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# limit should not have been updated
ioc_ctrl = ca.get_ctrlvars(ioc)
highVal = ioc_ctrl['upper_warning_limit']
self.assertTrue(
highVal == 10.0,
"Expected IOC warning_limit: 10; actual limit: " + str(highVal))
gw_ctrl = ca.get_ctrlvars(gw)
highVal = gw_ctrl['upper_warning_limit']
self.assertTrue(
highVal == 10.0,
"Expected GW warning_limit: 10; actual limit: " + str(highVal))
# set warning limit on IOC
ioc_high = ca.create_channel("ioc:gwcachetest.HIGH")
ca.put(ioc_high, 20.0, wait=True)
time.sleep(.1)
# Now the limit should have been updated (if IOC supports DBE_PROPERTY)
ioc_ctrl = ca.get_ctrlvars(ioc)
highVal = ioc_ctrl['upper_warning_limit']
self.assertTrue(
highVal == 20.0,
"Expected IOC warning_limit: 20; actual limit: " + str(highVal))
if self.propSupported:
gw_expected = 20.0
else:
gw_expected = 10.0
gw_ctrl = ca.get_ctrlvars(gw)
highVal = gw_ctrl['upper_warning_limit']
self.assertTrue(
highVal == gw_expected,
"Expected GW warning_limit: {0}; actual limit: {1}".format(
gw_expected, highVal))
# set unit string on IOC
ioc_egu = ca.create_channel("ioc:gwcachetest.EGU")
old_egu = ca.get(ioc_egu)
ca.put(ioc_egu, "foo", wait=True)
time.sleep(.1)
# Now the unit string should have been updated (if IOC supports DBE_PROPERTY)
ioc_ctrl = ca.get_ctrlvars(ioc)
eguVal = ioc_ctrl['units']
self.assertTrue(
eguVal == "foo",
"Expected IOC units string: foo; actual units string: " + eguVal)
if self.propSupported:
gw_expected = "foo"
else:
gw_expected = old_egu
gw_ctrl = ca.get_ctrlvars(gw)
eguVal = gw_ctrl['units']
self.assertTrue(
eguVal == gw_expected,
"Expected GW units string: {0}; actual units string: {1}".format(
gw_expected, eguVal))
def testPropCache_ValueMonitorCTRLget(self):
'''Monitor PV (value events) through GW - change HIGH directly - get the DBR_CTRL of the PV through GW'''
gw_vctotal = ca.create_channel("gwtest:vctotal")
gw_pvtotal = ca.create_channel("gwtest:pvtotal")
gw_connected = ca.create_channel("gwtest:connected")
gw_active = ca.create_channel("gwtest:active")
gw_inactive = ca.create_channel("gwtest:inactive")
# gateway should show no VC (client side connection) and no PV (IOC side connection)
count = ca.get(gw_vctotal)
self.assertTrue(count == 0, "Expected GW VC total count: 0, actual: " + str(count))
count = ca.get(gw_pvtotal)
self.assertTrue(count == 0, "Expected GW PV total count: 0, actual: " + str(count))
count = ca.get(gw_connected)
self.assertTrue(count == 0, "Expected GW connected PV count: 0, actual: " + str(count))
count = ca.get(gw_active)
self.assertTrue(count == 0, "Expected GW active PV count: 0, actual: " + str(count))
count = ca.get(gw_inactive)
self.assertTrue(count == 0, "Expected GW inactive PV count: 0, actual: " + str(count))
# gwcachetest is an ai record with full set of alarm limits: -100 -10 10 100
gw = ca.create_channel("gateway:gwcachetest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected, "Could not connect to gateway channel " + ca.name(gw))
(gw_cbref, gw_uaref, gw_eventid) = ca.create_subscription(gw, mask=dbr.DBE_VALUE, callback=self.onChange)
ioc = ca.create_channel("ioc:gwcachetest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected, "Could not connect to ioc channel " + ca.name(gw))
(ioc_cbref, ioc_uaref, ioc_eventid) = ca.create_subscription(ioc, mask=dbr.DBE_VALUE, callback=self.onChange)
# gateway should show one VC and one connected active PV
count = ca.get(gw_vctotal)
self.assertTrue(count == 1, "Expected GW VC total count: 1, actual: " + str(count))
count = ca.get(gw_pvtotal)
self.assertTrue(count == 1, "Expected GW PV total count: 1, actual: " + str(count))
count = ca.get(gw_connected)
self.assertTrue(count == 1, "Expected GW connected PV count: 1, actual: " + str(count))
count = ca.get(gw_active)
self.assertTrue(count == 1, "Expected GW active PV count: 1, actual: " + str(count))
count = ca.get(gw_inactive)
self.assertTrue(count == 0, "Expected GW inactive PV count: 0, actual: " + str(count))
# limit should not have been updated
ioc_ctrl = ca.get_ctrlvars(ioc)
highVal = ioc_ctrl['upper_warning_limit']
self.assertTrue(highVal == 10.0, "Expected IOC warning_limit: 10; actual limit: "+ str(highVal))
gw_ctrl = ca.get_ctrlvars(gw)
highVal = gw_ctrl['upper_warning_limit']
self.assertTrue(highVal == 10.0, "Expected GW warning_limit: 10; actual limit: "+ str(highVal))
# set warning limit on IOC
ioc_high = ca.create_channel("ioc:gwcachetest.HIGH")
ca.put(ioc_high, 20.0, wait=True)
time.sleep(.1)
# Now the limit should have been updated (if IOC supports DBE_PROPERTY)
ioc_ctrl = ca.get_ctrlvars(ioc)
highVal = ioc_ctrl['upper_warning_limit']
self.assertTrue(highVal == 20.0, "Expected IOC warning_limit: 20; actual limit: "+ str(highVal))
if self.propSupported:
gw_expected = 20.0
else:
gw_expected = 10.0
gw_ctrl = ca.get_ctrlvars(gw)
highVal = gw_ctrl['upper_warning_limit']
self.assertTrue(highVal == gw_expected, "Expected GW warning_limit: {0}; actual limit: {1}".format(gw_expected, highVal))
def testEnumPropCache_ValueMonitorCTRLget(self):
'''Monitor PV (value events) through GW - change ENUM string directly - get the DBR_CTRL of the PV through GW'''
# gateway should show no VC (client side connection) and no PV (IOC side connection)
self.updateGwStats()
self.assertTrue(
self.vctotal == 0,
"Expected GW VC total count: 0, actual: " + str(self.vctotal))
self.assertTrue(
self.pvtotal == 0,
"Expected GW PV total count: 0, actual: " + str(self.pvtotal))
self.assertTrue(
self.connected == 0,
"Expected GW connected PV count: 0, actual: " +
str(self.connected))
self.assertTrue(
self.active == 0,
"Expected GW active PV count: 0, actual: " + str(self.active))
self.assertTrue(
self.inactive == 0,
"Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# enumtest is an mbbi record with three strings defined: zero one two
gw = ca.create_channel("gateway:enumtest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected,
"Could not connect to gateway channel " + ca.name(gw))
(gw_cbref, gw_uaref,
gw_eventid) = ca.create_subscription(gw,
mask=dbr.DBE_VALUE,
callback=self.onChange)
ioc = ca.create_channel("ioc:enumtest")
connected = ca.connect_channel(ioc)
self.assertTrue(connected,
"Could not connect to ioc channel " + ca.name(gw))
(ioc_cbref, ioc_uaref,
ioc_eventid) = ca.create_subscription(ioc,
mask=dbr.DBE_VALUE,
callback=self.onChange)
# gateway should show one VC and one connected active PV
self.updateGwStats()
self.assertTrue(
self.vctotal == 1,
"Expected GW VC total count: 1, actual: " + str(self.vctotal))
self.assertTrue(
self.pvtotal == 1,
"Expected GW PV total count: 1, actual: " + str(self.pvtotal))
self.assertTrue(
self.connected == 1,
"Expected GW connected PV count: 1, actual: " +
str(self.connected))
self.assertTrue(
self.active == 1,
"Expected GW active PV count: 1, actual: " + str(self.active))
self.assertTrue(
self.inactive == 0,
"Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# enum string should not have been updated
ioc_ctrl = ca.get_ctrlvars(ioc)
oneStr = ioc_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'one',
"Expected IOC enum[1]: one; actual enum[1]: " + oneStr)
gw_ctrl = ca.get_ctrlvars(gw)
oneStr = gw_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'one',
"Expected GW enum[1]: one; actual enum[1]: " + oneStr)
# set enum string on IOC
ioc_enum1 = ca.create_channel("ioc:enumtest.ONST")
ca.put(ioc_enum1, 'uno', wait=True)
time.sleep(.1)
# Now the enum string should have been updated (if IOC supports DBE_PROPERTY)
ioc_ctrl = ca.get_ctrlvars(ioc)
oneStr = ioc_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'uno',
"Expected IOC enum[1]: uno; actual enum[1]: " + oneStr)
if self.propSupported:
gw_expected = 'uno'
else:
gw_expected = 'one'
gw_ctrl = ca.get_ctrlvars(gw)
oneStr = gw_ctrl['enum_strs'][1]
self.assertTrue(
oneStr == gw_expected,
"Expected GW enum[1]: {0}; actual enum[1]: {1}".format(
gw_expected, oneStr))
def testCSStudio_ValueAndPropMonitor(self):
'''Monitor PV (imitating CS-Studio) through GW - change value and properties directly - check CTRL structure consistency'''
diffs = []
if gwtests.verbose:
print()
# gwcachetest is an ai record with full set of alarm limits: -100 -10 10 100
gw = ca.create_channel("gateway:gwcachetest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected,
"Could not connect to gateway channel " + ca.name(gw))
(gw_cbref, gw_uaref, gw_eventid) = ca.create_subscription(
gw,
mask=dbr.DBE_VALUE | dbr.DBE_ALARM,
use_time=True,
callback=self.onChangeGW)
(gw_cbref2, gw_uaref2,
gw_eventid2) = ca.create_subscription(gw,
mask=dbr.DBE_PROPERTY,
use_ctrl=True,
callback=self.onChangeGW)
ioc = ca.create_channel("ioc:gwcachetest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected,
"Could not connect to ioc channel " + ca.name(ioc))
(ioc_cbref, ioc_uaref, ioc_eventid) = ca.create_subscription(
ioc,
mask=dbr.DBE_VALUE | dbr.DBE_ALARM,
use_time=True,
callback=self.onChangeIOC)
(ioc_cbref2, ioc_uaref2,
ioc_eventid2) = ca.create_subscription(ioc,
mask=dbr.DBE_PROPERTY,
use_ctrl=True,
callback=self.onChangeIOC)
time.sleep(.1)
# set value on IOC
ioc_value = ca.create_channel("ioc:gwcachetest")
ca.put(ioc_value, 10.0, wait=True)
time.sleep(.1)
if gwtests.verbose:
print()
self.assertTrue(
self.eventsReceivedIOC == self.eventsReceivedGW,
"After setting value, no. of received updates differ: GW {0}, IOC {1}"
.format(str(self.eventsReceivedGW), str(self.eventsReceivedIOC)))
(are_diff, diffs) = self.compareStructures()
self.assertTrue(
are_diff == False,
"At update {0} (change value), received structure updates differ:\n\t{1}"
.format(str(self.eventsReceivedIOC), "\n\t".join(diffs)))
# set property on IOC
ioc_hihi = ca.create_channel("ioc:gwcachetest.HIHI")
ca.put(ioc_hihi, 123.0, wait=True)
time.sleep(.1)
if gwtests.verbose:
print()
ca.put(ioc_value, 11.0, wait=True)
time.sleep(.1)
if gwtests.verbose:
print()
self.assertTrue(
self.eventsReceivedIOC == self.eventsReceivedGW,
"After setting property, no. of received updates differ: GW {0}, IOC {1}"
.format(str(self.eventsReceivedGW), str(self.eventsReceivedIOC)))
(are_diff, diffs) = self.compareStructures()
self.assertTrue(
are_diff == False,
"At update {0} (change property), received structure updates differ:\n\t{1}"
.format(str(self.eventsReceivedIOC), "\n\t".join(diffs)))
from epics import ca
import time
import sys
import pvnames
mypv = pvnames.updating_pv1
def onChanges(pvname=None, value=None, **kw):
sys.stdout.write( 'New Value: %s value=%s, kw=%s\n' %( pvname, str(value), repr(kw)))
sys.stdout.flush()
chid = ca.create_channel(mypv)
eventID = ca.create_subscription(chid, callback=onChanges)
t0 = time.time()
while time.time()-t0 < 15.0:
time.sleep(0.001)
def test_subscribe():
global change_count
chid = ca.create_channel(mypv)
eventID = ca.create_subscription(chid, callback=onChanges)
wait(maxtime=10)
assert change_count > 5
