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#
# This file is part of the PyMeasure package.
#
# Copyright (c) 2013-2024 PyMeasure Developers
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
import pytest
from pymeasure.test import expected_protocol
from pymeasure.instruments.keithley.keithley2182 import Keithley2182
def test_voltage_read():
with expected_protocol(
Keithley2182,
[(":READ?", "3.1415")],
) as inst:
assert inst.voltage == pytest.approx(3.1415)
def test_voltage_range():
with expected_protocol(
Keithley2182,
[(":SENS:VOLT:CHAN1:RANG?", "92"),
(":SENS:VOLT:CHAN1:RANG 2", None)
],
) as inst:
assert inst.ch_1.voltage_range == 92
inst.ch_1.voltage_range = 2
def test_voltage_range_trunc():
with expected_protocol(
Keithley2182,
[(":SENS:VOLT:CHAN2:RANG 15", None),
(":SENS:VOLT:CHAN2:RANG?", "12"),
],
) as inst:
inst.ch_2.voltage_range = 15 # too large, gets truncated
assert inst.ch_2.voltage_range == 12
def test_active_channel():
with expected_protocol(
Keithley2182,
[(":SENS:CHAN?", "1"),
(":SENS:CHAN 2", None),
],
) as inst:
assert inst.active_channel == 1
inst.active_channel = 2
def test_thermocouple():
with expected_protocol(
Keithley2182,
[(":SENS:TEMP:TC?", "S"),
(":SENS:TEMP:TC K", None),
],
) as inst:
assert inst.thermocouple == 'S'
inst.thermocouple = 'K'
def test_setup_voltage():
with expected_protocol(
Keithley2182,
[(":SENS:CHAN 1;"
":SENS:FUNC 'VOLT';"
":SENS:VOLT:NPLC 5;", None),
(":SENS:VOLT:RANG:AUTO 1", None),
("SYST:ERR?", '0,"No error"'),
],
) as inst:
inst.ch_1.setup_voltage()
def test_setup_temperature():
with expected_protocol(
Keithley2182,
[(":SENS:CHAN 2;"
":SENS:FUNC 'TEMP';"
":SENS:TEMP:NPLC 5", None),
("SYST:ERR?", '0,"No error"'),
],
) as inst:
inst.ch_2.setup_temperature()
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