1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
#
# 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.adapters import ProtocolAdapter
from pymeasure.instruments.generic_types import SCPIMixin, SCPIUnknownMixin
from pymeasure.instruments import Instrument
class Test_SCPIMixin:
class SCPIInstrument(SCPIMixin, Instrument):
pass
def test_init(self):
inst = self.SCPIInstrument(ProtocolAdapter(), "test")
assert inst.SCPI is False # should not be set by the new init
@pytest.mark.parametrize("method, write, reply", (
("id", "*IDN?", "xyz, abc"),
("complete", "*OPC?", "1"),
("status", "*STB?", "189"),
("options", "*OPT?", "a9"),
))
def test_SCPI_properties(self, method, write, reply):
with expected_protocol(
self.SCPIInstrument,
[(write, reply)],
name="test") as inst:
assert getattr(inst, method) == reply
def test_next_error(self):
with expected_protocol(
self.SCPIInstrument,
[("SYST:ERR?", '-100,"Command error"')],
name="test") as inst:
assert inst.next_error == [-100, '"Command error"']
@pytest.mark.parametrize("method, write", (("clear", "*CLS"),
("reset", "*RST"),
))
def test_SCPI_write_commands(self, method, write):
with expected_protocol(
self.SCPIInstrument,
[(write, None)],
name="test") as inst:
getattr(inst, method)()
def test_check_errors(self):
with expected_protocol(
self.SCPIInstrument,
[("SYST:ERR?", '-100,"Command error"'),
("SYST:ERR?", '-222,"Data out of range"'),
("SYST:ERR?", '0,"No error"'),
],
name="test") as inst:
assert inst.check_errors() == [[-100, '"Command error"'],
[-222, '"Data out of range"']]
def test_SCPIunknownMixin():
class SCPIunknownInstrument(SCPIUnknownMixin, Instrument):
pass
with pytest.warns(FutureWarning):
inst = SCPIunknownInstrument(ProtocolAdapter(), "test")
assert inst.SCPI is False
|
