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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.instruments.keysight.keysightE3631A import KeysightE3631A
@pytest.fixture(scope="module")
def power_supply(connected_device_address):
instr = KeysightE3631A(connected_device_address)
instr.reset()
return instr
class TestKeysightE3631A:
"""
Unit tests for KeysightE3631A class.
This test suite, needs the following setup to work properly:
- A KeysightE3631A device should be connected to the computer;
- The device's address must be set in the RESOURCE constant;
"""
#########################
# PARAMETRIZATION CASES #
#########################
BOOLEANS = [False, True]
CHANNELS = [1, 2, 3]
#########
# TESTS #
#########
@pytest.mark.parametrize("case", BOOLEANS)
def test_output_enabled(self, power_supply, case):
assert not power_supply.output_enabled
power_supply.output_enabled = case
assert power_supply.output_enabled == case
@pytest.mark.parametrize("case", BOOLEANS)
def test_tracking_enabled(self, power_supply, case):
assert not power_supply.tracking_enabled
power_supply.tracking_enabled = case
assert power_supply.tracking_enabled == case
@pytest.mark.parametrize("chn, i_limit", [(1, 0), (1, 5), (2, 0), (2, 1), (3, 0), (3, 1)],)
def test_current_limit(self, power_supply, chn, i_limit):
power_supply.channels[chn].current_limit = i_limit
@pytest.mark.parametrize("chn, i_limit", [(1, -1), (1, 6), (2, -1), (2, 2), (3, -1), (3, 2)],)
def test_current_limit_out_of_range(self, power_supply, chn, i_limit):
with pytest.raises(ValueError, match=f"Value of {i_limit} is not in range"):
power_supply.channels[chn].current_limit = i_limit
@pytest.mark.parametrize("chn, voltage", [(1, 0), (1, 6), (2, 0), (2, 25), (3, 0), (3, -25)],)
def test_voltage_setpoint(self, power_supply, chn, voltage):
power_supply.channels[chn].voltage_setpoint = voltage
assert power_supply.channels[chn].voltage_setpoint == voltage
@pytest.mark.parametrize("chn, voltage",
[(1, -1), (1, 7), (2, -1), (2, 26), (3, 1), (3, -26)],)
def test_voltage_setpoint_out_of_range(self, power_supply, chn, voltage):
with pytest.raises(ValueError, match=f"Value of {voltage} is not in range"):
power_supply.channels[chn].voltage_setpoint = voltage
@pytest.mark.parametrize("chn", CHANNELS)
def test_measure_voltage(self, power_supply, chn):
assert isinstance(power_supply.channels[chn].voltage, float)
@pytest.mark.parametrize("chn", CHANNELS)
def test_measure_current(self, power_supply, chn):
assert isinstance(power_supply.channels[chn].current, float)
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