def checkNonexistingCommands(scpiObj):
_printHeader("Testing to query commands that doesn't exist")
try:
baseCmd = _randomchoice(['SOURce', 'BASIcloop', 'ITERative'])
subCmd = _randomchoice(['CURRent', 'VOLTage'])
attr = _randomchoice(['UPPEr', 'LOWEr', 'VALUe'])
fake = "FAKE"
# * first level doesn't exist
start_t = _time()
cmd = "%s:%s:%s?" % (fake, subCmd, attr)
answer = _send2Input(scpiObj, cmd)
print("\tRequest non-existing command %s\n\tAnswer: %r (%g ms)" %
(cmd, answer, (_time() - start_t) * 1000))
# * intermediate level doesn't exist
cmd = "%s:%s:%s?" % (baseCmd, fake, attr)
answer = _send2Input(scpiObj, cmd)
print("\tRequest non-existing command %s\n\tAnswer: %r (%g ms)" %
(cmd, answer, (_time() - start_t) * 1000))
# * Attribute level doesn't exist
cmd = "%s:%s:%s?" % (baseCmd, subCmd, fake)
answer = _send2Input(scpiObj, cmd)
print("\tRequest non-existing command %s\n\tAnswer: %r (%g ms)" %
(cmd, answer, (_time() - start_t) * 1000))
# * Attribute that doesn't respond
cmd = 'source:voltage:exception'
answer = _send2Input(scpiObj, cmd)
print("\tRequest existing command but that it raises an exception %s"
"\n\tAnswer: %r (%g ms)" % (cmd, answer,
(_time() - start_t) * 1000))
# * Unexisting Channel
baseCmd = "CHANnel%s" % (str(nChannels + 3).zfill(2))
cmd = "%s:%s:%s?" % (baseCmd, subCmd, fake)
answer = _send2Input(scpiObj, cmd)
print("\tRequest non-existing channel %s\n\tAnswer: %r (%g ms)" %
(cmd, answer, (_time() - start_t) * 1000))
# * Channel below the minimum reference
cmd = "CHANnel00:VOLTage:UPPEr?"
answer = _send2Input(scpiObj, cmd)
print("\tRequest non-existing channel %s\n\tAnswer: %r (%g ms)" %
(cmd, answer, (_time() - start_t) * 1000))
# * Channel above the maximum reference
cmd = "CHANnel99:VOLTage:UPPEr?"
answer = _send2Input(scpiObj, cmd)
print("\tRequest non-existing channel %s\n\tAnswer: %r (%g ms)" %
(cmd, answer, (_time() - start_t) * 1000))
result = True, "Non-existing commands test PASSED"
except Exception as e:
print("\tUnexpected kind of exception! %s" % e)
print_exc()
result = False, "Non-existing commands test FAILED"
_printFooter(result[1])
return result
def checkNonexistingCommands(scpiObj):
_printHeader("Testing to query commands that doesn't exist")
try:
baseCmd = _randomchoice(['SOURce', 'BASIcloop', 'ITERative'])
subCmd = _randomchoice(['CURRent', 'VOLTage'])
attr = _randomchoice(['UPPEr', 'LOWEr', 'VALUe'])
fake = "FAKE"
# * first level doesn't exist
start_t = _time()
cmd = "%s:%s:%s?" % (fake, subCmd, attr)
answer = _send2Input(scpiObj, cmd)
print("\tRequest non-existing command %s\n\tAnswer: %r (%g ms)"
% (cmd, answer, (_time()-start_t)*1000))
# * intermediate level doesn't exist
cmd = "%s:%s:%s?" % (baseCmd, fake, attr)
answer = _send2Input(scpiObj, cmd)
print("\tRequest non-existing command %s\n\tAnswer: %r (%g ms)"
% (cmd, answer, (_time()-start_t)*1000))
# * Attribute level doesn't exist
cmd = "%s:%s:%s?" % (baseCmd, subCmd, fake)
answer = _send2Input(scpiObj, cmd)
print("\tRequest non-existing command %s\n\tAnswer: %r (%g ms)"
% (cmd, answer, (_time()-start_t)*1000))
# * Attribute that doesn't respond
cmd = 'source:voltage:exception'
answer = _send2Input(scpiObj, cmd)
print("\tRequest existing command but that it raises an exception %s"
"\n\tAnswer: %r (%g ms)" % (cmd, answer, (_time()-start_t)*1000))
# * Unexisting Channel
baseCmd = "CHANnel%s" % (str(nChannels+3).zfill(2))
cmd = "%s:%s:%s?" % (baseCmd, subCmd, fake)
answer = _send2Input(scpiObj, cmd)
print("\tRequest non-existing channel %s\n\tAnswer: %r (%g ms)"
% (cmd, answer, (_time()-start_t)*1000))
# * Channel below the minimum reference
cmd = "CHANnel00:VOLTage:UPPEr?"
answer = _send2Input(scpiObj, cmd)
print("\tRequest non-existing channel %s\n\tAnswer: %r (%g ms)"
% (cmd, answer, (_time()-start_t)*1000))
# * Channel above the maximum reference
cmd = "CHANnel99:VOLTage:UPPEr?"
answer = _send2Input(scpiObj, cmd)
print("\tRequest non-existing channel %s\n\tAnswer: %r (%g ms)"
% (cmd, answer, (_time()-start_t)*1000))
result = True, "Non-existing commands test PASSED"
except Exception as e:
print("\tUnexpected kind of exception! %s" % e)
print_exc()
result = False, "Non-existing commands test FAILED"
_printFooter(result[1])
return result
def _buildCommand2Test():
baseCmds = ['SOURce', 'BASIcloop', 'ITERative', 'CHANnel']
subCmds = ['CURRent', 'VOLTage']
attrs = ['UPPEr', 'LOWEr', 'VALUe']
baseCmd = _randomchoice(baseCmds)
if baseCmd in ['CHANnel']:
baseCmd = "%s%s" % (baseCmd, str(_randint(1, nChannels)).zfill(2))
if _randint(0, 1):
baseCmd = "%s:MEAS:FUNC%s" % (
baseCmd, str(_randint(1, nSubchannels)).zfill(2))
subCmd = _randomchoice(subCmds)
if baseCmd in ['SOURce']:
attr = _randomchoice(attrs + ['BUFFer'])
else:
attr = _randomchoice(attrs)
return "%s:%s:%s?" % (baseCmd, subCmd, attr)
def checkCommandQueries(scpiObj):
_printHeader("Testing to command queries")
try:
print("Launch tests:")
cmd = "*IDN?"
answer = _send2Input(scpiObj, cmd)
print("\tInstrument identification (%s)\n\tAnswer: %s" % (cmd, answer))
for baseCmd in ['SOURce', 'BASIcloop', 'ITERative']:
_printHeader("Check %s part of the tree" % (baseCmd))
_doCheckCommands(scpiObj, baseCmd)
for ch in range(1, nChannels + 1):
baseCmd = "CHANnel%s" % (str(ch).zfill(2))
_printHeader("Check %s part of the tree" % (baseCmd))
_doCheckCommands(scpiObj, baseCmd)
fn = _randomchoice(range(1, nSubchannels + 1))
innerCmd = "FUNCtion%s" % (str(fn).zfill(2))
_printHeader("Check %s + MEAS:%s part of the tree" %
(baseCmd, innerCmd))
_doCheckCommands(scpiObj, baseCmd, innerCmd)
result = True, "Command queries test PASSED"
except Exception as e:
print("\tUnexpected kind of exception! %s" % e)
print_exc()
result = False, "Command queries test FAILED"
_printFooter(result[1])
return result
def checkCommandQueries(scpiObj):
_printHeader("Testing to command queries")
try:
print("Launch tests:")
cmd = "*IDN?"
answer = _send2Input(scpiObj, cmd)
print("\tInstrument identification (%s)\n\tAnswer: %s" % (cmd, answer))
for baseCmd in ['SOURce', 'BASIcloop', 'ITERative']:
_printHeader("Check %s part of the tree" % (baseCmd))
_doCheckCommands(scpiObj, baseCmd)
for ch in range(1, nChannels+1):
baseCmd = "CHANnel%s" % (str(ch).zfill(2))
_printHeader("Check %s part of the tree" % (baseCmd))
_doCheckCommands(scpiObj, baseCmd)
fn = _randomchoice(range(1, nSubchannels+1))
innerCmd = "FUNCtion%s" % (str(fn).zfill(2))
_printHeader("Check %s + MEAS:%s part of the tree"
% (baseCmd, innerCmd))
_doCheckCommands(scpiObj, baseCmd, innerCmd)
result = True, "Command queries test PASSED"
except Exception as e:
print("\tUnexpected kind of exception! %s" % e)
print_exc()
result = False, "Command queries test FAILED"
_printFooter(result[1])
return result
def _buildCommand2Test():
baseCmds = ['SOURce', 'BASIcloop', 'ITERative', 'CHANnel']
subCmds = ['CURRent', 'VOLTage']
attrs = ['UPPEr', 'LOWEr', 'VALUe']
baseCmd = _randomchoice(baseCmds)
if baseCmd in ['CHANnel']:
baseCmd = "%s%s" % (baseCmd, str(_randint(1, nChannels)).zfill(2))
if _randint(0, 1):
baseCmd = "%s:MEAS:FUNC%s" % (baseCmd,
str(_randint(1,
nSubchannels)).zfill(2))
subCmd = _randomchoice(subCmds)
if baseCmd in ['SOURce']:
attr = _randomchoice(attrs + ['BUFFer'])
else:
attr = _randomchoice(attrs)
return "%s:%s:%s?" % (baseCmd, subCmd, attr)
def checkCommandWrites(scpiObj):
_printHeader("Testing to command writes")
try:
# simple commands ---
currentConfObj = WattrTest()
scpiObj.addCommand('source:current:configure',
readcb=currentConfObj.readTest,
writecb=currentConfObj.writeTest)
voltageConfObj = WattrTest()
scpiObj.addCommand('source:voltage:configure',
readcb=voltageConfObj.readTest,
writecb=voltageConfObj.writeTest)
for inner in ['current', 'voltage']:
_doWriteCommand(scpiObj, "source:%s:configure" % (inner))
_wait(1) # FIXME: remove
# channel commands ---
_printHeader("Testing to channel command writes")
baseCmd = 'writable'
wObj = scpiObj.addComponent(baseCmd, scpiObj._commandTree)
chCmd = 'channel'
chObj = scpiObj.addChannel(chCmd, nChannels, wObj)
chCurrentObj = WchannelTest(nChannels)
chVoltageObj = WchannelTest(nChannels)
for (subcomponent, subCmdObj) in [('current', chCurrentObj),
('voltage', chVoltageObj)]:
subcomponentObj = scpiObj.addComponent(subcomponent, chObj)
for (attrName, attrFunc) in [('upper', 'upperLimit'),
('lower', 'lowerLimit'),
('value', 'readTest')]:
if hasattr(subCmdObj, attrFunc):
if attrName == 'value':
attrObj = scpiObj.addAttribute(
attrName,
subcomponentObj,
readcb=subCmdObj.readTest,
writecb=subCmdObj.writeTest,
default=True)
else:
cbFunc = getattr(subCmdObj, attrFunc)
attrObj = scpiObj.addAttribute(attrName,
subcomponentObj, cbFunc)
print("\nChecking one write multiple reads\n")
for i in range(nChannels):
rndCh = _randint(1, nChannels)
element = _randomchoice(['current', 'voltage'])
_doWriteChannelCommand(scpiObj, "%s:%s" % (baseCmd, chCmd), rndCh,
element, nChannels)
_interTestWait()
print("\nChecking multile writes multiple reads\n")
for i in range(nChannels):
testNwrites = _randint(2, nChannels)
rndChs = []
while len(rndChs) < testNwrites:
rndCh = _randint(1, nChannels)
while rndCh in rndChs:
rndCh = _randint(1, nChannels)
rndChs.append(rndCh)
element = _randomchoice(['current', 'voltage'])
values = [_randint(-1000, 1000)] * testNwrites
_doWriteChannelCommand(scpiObj, "%s:%s" % (baseCmd, chCmd), rndChs,
element, nChannels, values)
_interTestWait()
print("\nChecking write with allowed values limitation\n")
selectionCmd = 'source:selection'
selectionObj = WattrTest()
selectionObj.writeTest(False)
scpiObj.addCommand(selectionCmd,
readcb=selectionObj.readTest,
writecb=selectionObj.writeTest,
allowedArgins=[True, False])
_doWriteCommand(scpiObj, selectionCmd, True)
# _doWriteCommand(scpiObj, selectionCmd, 'Fals')
# _doWriteCommand(scpiObj, selectionCmd, 'True')
try:
_doWriteCommand(scpiObj, selectionCmd, 0)
except:
print("\tLimitation values succeed because it raises an exception "
"as expected")
else:
raise AssertionError("It has been write a value that "
"should not be allowed")
_interTestWait()
result = True, "Command writes test PASSED"
except Exception as e:
print("\tUnexpected kind of exception! %s" % e)
print_exc()
result = False, "Command writes test FAILED"
_printFooter(result[1])
return result
def checkCommandWrites(scpiObj):
_printHeader("Testing to command writes")
try:
# simple commands ---
currentConfObj = WattrTest()
scpiObj.addCommand('source:current:configure',
readcb=currentConfObj.readTest,
writecb=currentConfObj.writeTest)
voltageConfObj = WattrTest()
scpiObj.addCommand('source:voltage:configure',
readcb=voltageConfObj.readTest,
writecb=voltageConfObj.writeTest)
for inner in ['current', 'voltage']:
_doWriteCommand(scpiObj, "source:%s:configure" % (inner))
_wait(1) # FIXME: remove
# channel commands ---
_printHeader("Testing to channel command writes")
baseCmd = 'writable'
wObj = scpiObj.addComponent(baseCmd, scpiObj._commandTree)
chCmd = 'channel'
chObj = scpiObj.addChannel(chCmd, nChannels, wObj)
chCurrentObj = WchannelTest(nChannels)
chVoltageObj = WchannelTest(nChannels)
for (subcomponent, subCmdObj) in [('current', chCurrentObj),
('voltage', chVoltageObj)]:
subcomponentObj = scpiObj.addComponent(subcomponent, chObj)
for (attrName, attrFunc) in [('upper', 'upperLimit'),
('lower', 'lowerLimit'),
('value', 'readTest')]:
if hasattr(subCmdObj, attrFunc):
if attrName == 'value':
attrObj = scpiObj.addAttribute(attrName,
subcomponentObj,
readcb=subCmdObj.
readTest,
writecb=subCmdObj.
writeTest,
default=True)
else:
cbFunc = getattr(subCmdObj, attrFunc)
attrObj = scpiObj.addAttribute(attrName,
subcomponentObj, cbFunc)
print("\nChecking one write multiple reads\n")
for i in range(nChannels):
rndCh = _randint(1, nChannels)
element = _randomchoice(['current', 'voltage'])
_doWriteChannelCommand(scpiObj, "%s:%s" % (baseCmd, chCmd), rndCh,
element, nChannels)
_interTestWait()
print("\nChecking multile writes multiple reads\n")
for i in range(nChannels):
testNwrites = _randint(2, nChannels)
rndChs = []
while len(rndChs) < testNwrites:
rndCh = _randint(1, nChannels)
while rndCh in rndChs:
rndCh = _randint(1, nChannels)
rndChs.append(rndCh)
element = _randomchoice(['current', 'voltage'])
values = [_randint(-1000, 1000)]*testNwrites
_doWriteChannelCommand(scpiObj, "%s:%s" % (baseCmd, chCmd), rndChs,
element, nChannels, values)
_interTestWait()
print("\nChecking write with allowed values limitation\n")
selectionCmd = 'source:selection'
selectionObj = WattrTest()
selectionObj.writeTest(False)
scpiObj.addCommand(selectionCmd, readcb=selectionObj.readTest,
writecb=selectionObj.writeTest,
allowedArgins=[True, False])
_doWriteCommand(scpiObj, selectionCmd, True)
# _doWriteCommand(scpiObj, selectionCmd, 'Fals')
# _doWriteCommand(scpiObj, selectionCmd, 'True')
try:
_doWriteCommand(scpiObj, selectionCmd, 0)
except:
print("\tLimitation values succeed because it raises an exception "
"as expected")
else:
raise AssertionError("It has been write a value that "
"should not be allowed")
_interTestWait()
result = True, "Command writes test PASSED"
except Exception as e:
print("\tUnexpected kind of exception! %s" % e)
print_exc()
result = False, "Command writes test FAILED"
_printFooter(result[1])
return result