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Nikola Balog
osie
Commits
9702995a
Commit
9702995a
authored
Jan 02, 2024
by
Ivan Tyagov
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Fully replaced by e2e testing.
parent
9e803c64
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tests/test_runtime_coupler_increment.py
tests/test_runtime_coupler_increment.py
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"""
OPC-UA test agent used for testing of PLC program here: https://lab.nexedi.com/nexedi/osie/tree/master/Beremiz/beremiz_test_opc_ua
"""
from
opcua
import
Client
import
time
import
argparse
import
configparser
def
main
():
# handle CLI arguments
parser
=
argparse
.
ArgumentParser
()
parser
.
add_argument
(
'--iterations'
,
\
type
=
int
,
\
default
=
100
,
\
help
=
'number of iterations to check'
)
parser
.
add_argument
(
'--timeout'
,
\
type
=
int
,
\
default
=
2
,
\
help
=
'seconds to wait between checks'
)
parser
.
add_argument
(
'--opc-ua-server'
,
\
type
=
str
,
\
default
=
'opc.tcp://0.0.0.0:4840/'
,
\
help
=
'Address of OPC-UA server'
)
parser
.
add_argument
(
'--opc-ua-node-identifier'
,
\
type
=
str
,
\
default
=
'ns=1;s=i2c0.relay0'
,
\
help
=
'Address of OPC-UA server'
)
args
=
parser
.
parse_args
()
NUMBER_OF_CHECKS
=
args
.
iterations
TIMEOUT
=
args
.
timeout
OPC_UA_ADDRESS
=
args
.
opc_ua_server
OPC_UA_IDENTIFIER
=
args
.
opc_ua_node_identifier
# connect to a session at OPC-UA server
client
=
Client
(
OPC_UA_ADDRESS
)
# for now this is the only test thus we start it without a wrapper
test_count
=
1
test_failures
=
0
expected_failures
=
0
try
:
client
.
connect
()
# Client has a few methods to get proxy to UA nodes that should always be in address space such as Root or Objects
root
=
client
.
get_root_node
()
children_list
=
root
.
get_children
()
var
=
client
.
get_node
(
OPC_UA_IDENTIFIER
)
for
i
in
range
(
0
,
NUMBER_OF_CHECKS
):
i2c0_relay0_before
=
var
.
get_value
()
print
(
"
\
n
i2c0_relay0 (before) = "
,
i2c0_relay0_before
)
print
(
"Sleep for %s seconds ..."
%
TIMEOUT
)
time
.
sleep
(
TIMEOUT
)
i2c0_relay0_after
=
var
.
get_value
()
print
(
"i2c0_relay0 (after) = "
,
i2c0_relay0_after
)
# for the wait timeout runtime should have increased the value
if
(
i2c0_relay0_after
<=
i2c0_relay0_before
):
# counter should have been increased, mark failure
test_failures
+=
1
finally
:
client
.
disconnect
()
# print out to sdtout results
print
(
"Integration Tests %d Tests, %d Failures, %d Expected failures"
\
%
(
test_count
,
test_failures
,
expected_failures
))
if
__name__
==
"__main__"
:
main
()
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