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
90
91
92
93
94
95
96
97
98
99
100
101
|
# SPDX-License-Identifier: GPL-2.0-or-later
# SPDX-FileCopyrightText: 2022 Bartosz Golaszewski <brgl@bgdev.pl>
import errno
import gpiod
import unittest
from . import gpiosim
from gpiod.line import Direction, Bias, Drive, Clock
HogDir = gpiosim.Chip.Direction
class GetLineInfo(unittest.TestCase):
def setUp(self):
self.sim = gpiosim.Chip(
num_lines=4,
line_names={0: "foobar"},
)
self.chip = gpiod.Chip(self.sim.dev_path)
def tearDown(self):
self.chip.close()
self.chip = None
self.sim = None
def test_get_line_info_by_offset(self):
self.chip.get_line_info(0)
def test_get_line_info_by_offset_keyword(self):
self.chip.get_line_info(line=0)
def test_get_line_info_by_name(self):
self.chip.get_line_info("foobar")
def test_get_line_info_by_name_keyword(self):
self.chip.get_line_info(line="foobar")
def test_get_line_info_by_offset_string(self):
self.chip.get_line_info("2")
def test_offset_out_of_range(self):
with self.assertRaises(ValueError) as ex:
self.chip.get_line_info(4)
def test_no_offset(self):
with self.assertRaises(TypeError):
self.chip.get_line_info()
class LinePropertiesCanBeRead(unittest.TestCase):
def test_basic_properties(self):
sim = gpiosim.Chip(
num_lines=8,
line_names={1: "foo", 2: "bar", 4: "baz", 5: "xyz"},
hogs={3: ("hog3", HogDir.OUTPUT_HIGH), 4: ("hog4", HogDir.OUTPUT_LOW)},
)
with gpiod.Chip(sim.dev_path) as chip:
info4 = chip.get_line_info(4)
info6 = chip.get_line_info(6)
self.assertEqual(info4.offset, 4)
self.assertEqual(info4.name, "baz")
self.assertTrue(info4.used)
self.assertEqual(info4.consumer, "hog4")
self.assertEqual(info4.direction, Direction.OUTPUT)
self.assertFalse(info4.active_low)
self.assertEqual(info4.bias, Bias.UNKNOWN)
self.assertEqual(info4.drive, Drive.PUSH_PULL)
self.assertEqual(info4.event_clock, Clock.MONOTONIC)
self.assertFalse(info4.debounced)
self.assertEqual(info4.debounce_period.total_seconds(), 0.0)
self.assertEqual(info6.offset, 6)
self.assertEqual(info6.name, None)
self.assertFalse(info6.used)
self.assertEqual(info6.consumer, None)
self.assertEqual(info6.direction, Direction.INPUT)
self.assertFalse(info6.active_low)
self.assertEqual(info6.bias, Bias.UNKNOWN)
self.assertEqual(info6.drive, Drive.PUSH_PULL)
self.assertEqual(info6.event_clock, Clock.MONOTONIC)
self.assertFalse(info6.debounced)
self.assertEqual(info6.debounce_period.total_seconds(), 0.0)
class LineInfoStringRepresentation(unittest.TestCase):
def test_line_info_str(self):
sim = gpiosim.Chip(
line_names={0: "foo"}, hogs={0: ("hogger", HogDir.OUTPUT_HIGH)}
)
with gpiod.Chip(sim.dev_path) as chip:
info = chip.get_line_info(0)
self.assertEqual(
str(info),
'<LineInfo offset=0 name="foo" used=True consumer="hogger" direction=Direction.OUTPUT active_low=False bias=Bias.UNKNOWN drive=Drive.PUSH_PULL edge_detection=Edge.NONE event_clock=Clock.MONOTONIC debounced=False debounce_period=0:00:00>',
)
|
