forked from piface/pifacedigitalio
-
Notifications
You must be signed in to change notification settings - Fork 0
/
tests.py
200 lines (151 loc) · 5.86 KB
/
tests.py
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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
#!/usr/bin/env python3
import sys
import unittest
import threading
import pifacecommon
import pifacedigitalio
PY3 = sys.version_info.major >= 3
if not PY3:
input = raw_input
from time import sleep
class Barrier(object):
def __init__(self, n, timeout=None):
self.count = 0
self.n = n
self.timeout = timeout
def wait(self):
self.count += 1
while self.count < self.n:
sleep(0.0001)
threading.Barrier = Barrier
OUTPUT_RANGE = LED_RANGE = INPUT_RANGE = 8
SWITCH_RANGE = 4
RELAY_RANGE = 2
TEST_INPUT_PORT = False
class TestRangedItem(object):
def test_normal_init(self):
for i in self.item_range:
item_instance = self.item_type(i)
self.assertTrue(type(item_instance) is self.item_type)
def test_boundary_init(self):
boundaries = (min(self.item_range) - 1, max(self.item_range) + 1)
for i in boundaries:
self.assertRaises(
pifacecommon.core.RangeError,
self.item_type,
i
)
class TestLED(TestRangedItem, unittest.TestCase):
def setUp(self):
self.item_type = pifacedigitalio.LED
self.item_range = range(LED_RANGE)
class TestSwitch(TestRangedItem, unittest.TestCase):
def setUp(self):
self.item_type = pifacedigitalio.Switch
self.item_range = range(SWITCH_RANGE)
class TestRelay(TestRangedItem, unittest.TestCase):
def setUp(self):
self.item_type = pifacedigitalio.Relay
self.item_range = range(RELAY_RANGE)
class TestDigitalRead(unittest.TestCase):
def setUp(self):
pifacedigitalio.init()
# function is supposed to return 1
pifacecommon.read_bit = lambda pin, port, board: 1
def test_flip_bit(self):
# should flip 1 to 0
self.assertEqual(pifacedigitalio.digital_read(0, 0), 0)
def tearDown(self):
pifacedigitalio.deinit()
class TestPiFaceDigitalOutput(unittest.TestCase):
"""General use tests (not really in the spirit of unittesting)."""
def setUp(self):
pifacedigitalio.init()
self.pfd = pifacedigitalio.PiFaceDigital()
def test_leds(self):
for i in range(LED_RANGE):
self.pfd.leds[i].turn_on()
self.pfd.leds[i].toggle()
self.pfd.leds[i].toggle()
self.pfd.leds[i].turn_off()
def test_relays(self):
for i in range(RELAY_RANGE):
self.pfd.relays[i].turn_on()
self.pfd.relays[i].toggle()
self.pfd.relays[i].toggle()
self.pfd.relays[i].turn_off()
def test_output_pins(self):
for i in range(OUTPUT_RANGE):
self.pfd.output_pins[i].turn_on()
self.pfd.output_pins[i].toggle()
self.pfd.output_pins[i].toggle()
self.pfd.output_pins[i].turn_off()
def test_output_port(self):
test_value = 0xAA
self.pfd.output_port.all_on()
self.assertEqual(self.pfd.output_port.value, 0xFF)
self.pfd.output_port.value = test_value
self.assertEqual(self.pfd.output_port.value, test_value)
self.pfd.output_port.toggle()
self.assertEqual(self.pfd.output_port.value, 0xff ^ test_value)
self.pfd.output_port.toggle()
self.assertEqual(self.pfd.output_port.value, test_value)
self.pfd.output_port.all_off()
self.assertEqual(self.pfd.output_port.value, 0)
def tearDown(self):
pifacedigitalio.deinit()
class TestPiFaceDigitalInput(unittest.TestCase):
"""General use tests (not really in the spirit of unittesting)."""
def setUp(self):
pifacedigitalio.init()
self.pfd = pifacedigitalio.PiFaceDigital()
def test_switches(self):
for a, b in ((0, 2), (1, 3)):
input(
"Hold switch {a} and {b}, then press enter.".format(a=a, b=b))
self.assertEqual(self.pfd.switches[a].value, 1)
self.assertEqual(self.pfd.switches[a].value, 1)
# while we're here, test the input pins
self.assertEqual(self.pfd.input_pins[a].value, 1)
self.assertEqual(self.pfd.input_pins[a].value, 1)
# and the input port
bit_pattern = (1 << a) ^ (1 << b)
self.assertEqual(self.pfd.input_port.value, bit_pattern)
def test_input_pins(self):
if TEST_INPUT_PORT:
for i in range(INPUT_RANGE):
input("Connect input {i}, then press enter.".format(i=i))
self.assertEqual(self.pfd.switches[i].value, 1)
def test_input_port(self):
if TEST_INPUT_PORT:
input("Connect pins 0, 2, 4 and 6, then press enter.")
self.assertEqual(self.pfd.input_port.value, 0xAA)
input("Connect pins 1, 3, 5 and 7, then press enter.")
self.assertEqual(self.pfd.input_port.value, 0x55)
def tearDown(self):
pifacedigitalio.deinit()
class TestInterrupts(unittest.TestCase):
def setUp(self):
pifacedigitalio.init()
self.barrier = threading.Barrier(2, timeout=5)
self.test_passed = False
self.direction = pifacedigitalio.IODIR_ON
self.listener = pifacedigitalio.InputEventListener()
self.listener.register(0, self.direction, self.interrupts_test_helper)
def test_interrupt(self):
self.listener.activate()
print("Press switch 0")
self.barrier.wait()
self.assertTrue(self.test_passed)
def interrupts_test_helper(self, event):
self.assertEqual(event.interrupt_flag, 0x1)
self.assertEqual(event.interrupt_capture, 0xfe)
self.assertEqual(event.pin_num, 0)
self.assertEqual(event.direction, self.direction)
self.test_passed = True
self.barrier.wait()
def tearDown(self):
self.listener.deactivate()
pifacedigitalio.deinit()
if __name__ == "__main__":
unittest.main()