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from __future__ import print_function
import epics
import time
import pvnames
pvname1 = pvnames.updating_pvlist[0]
pvname2 = pvnames.updating_pvlist[1]
def wait(t=30):
t0 = time.time()
while time.time()-t0 < t:
time.sleep(0.01)
change_count = 0
def onChange(pvname, value=None, char_value=None, timestamp=None, **kw):
global change_count
change_count += 1
print(' new value: %s = %s (%s) ' % ( pvname, char_value, time.ctime(timestamp)))
def test_pv1():
global change_count
change_count = 0
epics.camonitor(pvname1, callback=onChange)
wait(5)
epics.camonitor_clear(pvname1)
assert change_count > 5
def test_pv2():
global change_count
change_count = 0
epics.camonitor(pvname2, callback=onChange)
wait(5)
epics.camonitor_clear(pvname2)
assert change_count > 5
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