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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.mksinst.mks937b import MKS937B, Unit
def test_pressure():
"""Verify the communication of the pressure getter."""
with expected_protocol(
MKS937B,
[("@253PR1?", "@253ACK1.10e-9"),
(None, b"FF")],
) as inst:
assert inst.ch_1.pressure == pytest.approx(1.1e-9)
def test_ion_gauge_status():
"""Verify the communication of the ion gauge status getter."""
with expected_protocol(
MKS937B,
[("@253T1?", "@253ACKG"),
(None, b"FF")],
) as inst:
assert inst.ch_1.ion_gauge_status == "Good"
def test_ion_gauge_status_invalid_channel():
"""Ion gauge status does not exist on all channels."""
with expected_protocol(
MKS937B,
[],
) as inst:
with pytest.raises(AttributeError):
inst.ch_2.ion_gauge_status
def test_unit_setter():
"""Verify the communication of the unit setter."""
with expected_protocol(
MKS937B,
[("@253U!MICRON", "@253ACKMICRON"),
(None, b"FF")],
) as inst:
inst.unit = Unit.uHg
def test_unit_getter():
"""Verify the communication of the unit getter."""
with expected_protocol(
MKS937B,
[("@253U?", "@253ACKTORR"),
(None, b"FF")],
) as inst:
assert inst.unit == Unit.Torr
def test_power_enabled():
"""Verify the communication of the channel power getter."""
with expected_protocol(
MKS937B,
[("@253CP1?", "@253ACKON"),
(None, b"FF")],
) as inst:
assert inst.ch_1.power_enabled is True
def test_relay_value():
"""Verify the communication of the relay setpoint getter."""
with expected_protocol(
MKS937B,
[("@253SP10?", "@253ACK2.00E+0"),
(None, b"FF")],
) as inst:
assert inst.relay_10.setpoint == pytest.approx(2.00e0)
def test_relay_direction():
"""Verify the communication of the relay direction."""
with expected_protocol(
MKS937B,
[("@253SD3?", "@253ACKABOVE"),
(None, b"FF")],
) as inst:
assert inst.relay_3.direction == "ABOVE"
def test_relay_enabled():
"""Verify the communication of the relay enabled property."""
with expected_protocol(
MKS937B,
[("@253EN6?", "@253ACKENABLE"),
(None, b"FF")],
) as inst:
assert inst.relay_6.enabled is True
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