forked from gpiozero/gpiozero
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathtest_tools.py
More file actions
277 lines (251 loc) · 10.8 KB
/
Copy pathtest_tools.py
File metadata and controls
277 lines (251 loc) · 10.8 KB
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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
from __future__ import (
unicode_literals,
absolute_import,
print_function,
division,
)
str = type('')
import pytest
from math import sin, cos, radians
from time import time
from itertools import islice
from gpiozero.tools import *
try:
from math import isclose
except ImportError:
from gpiozero.compat import isclose
try:
from statistics import mean
except ImportError:
from gpiozero.compat import mean
try:
from statistics import median
except ImportError:
from gpiozero.compat import median
def test_negated():
assert list(negated(())) == []
assert list(negated((True, True, False, False))) == [False, False, True, True]
def test_inverted():
with pytest.raises(ValueError):
list(inverted((), 0, 0))
with pytest.raises(ValueError):
list(inverted((), 1, 1))
with pytest.raises(ValueError):
list(inverted((), 1, 0))
assert list(inverted(())) == []
assert list(inverted((1, 0, 0.1, 0.5))) == [0, 1, 0.9, 0.5]
assert list(inverted((1, 0, 0.1, 0.5), 0, 1)) == [0, 1, 0.9, 0.5]
assert list(inverted((-1, 0, -0.1, -0.5), -1, 0)) == [0, -1, -0.9, -0.5]
assert list(inverted((1, 0, 0.1, 0.5, -1, -0.1, -0.5), -1, 1)) == [-1, 0, -0.1, -0.5, 1, 0.1, 0.5]
assert list(inverted((2, 1, 1.1, 1.5), 1, 2)) == [1, 2, 1.9, 1.5]
def test_scaled():
with pytest.raises(ValueError):
list(scaled((), 0, 1, 0, 0))
with pytest.raises(ValueError):
list(scaled((), 0, 1, 1, 1))
with pytest.raises(ValueError):
list(scaled((), 0, 1, 1, 0))
assert list(scaled((), 0, 1)) == []
# no scale
assert list(scaled((0, 1, 0.5, 0.1), 0, 1)) == [0, 1, 0.5, 0.1]
assert list(scaled((0, 1, 0.5, 0.1), 0, 1, 0, 1)) == [0, 1, 0.5, 0.1]
# multiply by 2
assert list(scaled((0, 1, 0.5, 0.1), 0, 2, 0, 1)) == [0, 2, 1, 0.2]
# add 1
assert list(scaled((0, 1, 0.5, 0.1), 1, 2, 0, 1)) == [1, 2, 1.5, 1.1]
# multiply by 2 then add 1
assert list(scaled((0, 1, 0.5, 0.1), 1, 3, 0, 1)) == [1, 3, 2, 1.2]
# add 1 then multiply by 2
assert list(scaled((0, 1, 0.5, 0.1), 2, 4, 0, 1)) == [2, 4, 3, 2.2]
# invert
assert list(scaled((0, 1, 0.5, 0.1), 1, 0, 0, 1)) == [1, 0, 0.5, 0.9]
# multiply by -1 then subtract 1
assert list(scaled((0, 1, 0.5, 0.1), -1, -2, 0, 1)) == [-1, -2, -1.5, -1.1]
# scale 0->1 to -1->+1
assert list(scaled((0, 1, 0.5, 0.1), -1, 1)) == [-1, 1, 0.0, -0.8]
assert list(scaled((0, 1, 0.5, 0.1), -1, 1, 0, 1)) == [-1, 1, 0.0, -0.8]
# scale -1->+1 to 0->1
assert list(scaled((-1, 1, 0.0, -0.5), 0, 1, -1, 1)) == [0, 1, 0.5, 0.25]
def test_clamped():
with pytest.raises(ValueError):
list(clamped((), 0, 0))
with pytest.raises(ValueError):
list(clamped((), 1, 1))
with pytest.raises(ValueError):
list(clamped((), 1, 0))
assert list(clamped(())) == []
assert list(clamped((-2, -1, -0.5, 0, 0.5, 1, 2))) == [0, 0, 0, 0, 0.5, 1, 1]
assert list(clamped((-2, -1, -0.5, 0, 0.5, 1, 2), 0, 1)) == [0, 0, 0, 0, 0.5, 1, 1]
assert list(clamped((-2, -1, -0.5, 0, 0.5, 1, 2), -1, 1)) == [-1, -1, -0.5, 0, 0.5, 1, 1]
assert list(clamped((-2, -1, -0.5, 0, 0.5, 1, 2), -2, 2)) == [-2, -1, -0.5, 0, 0.5, 1, 2]
def test_absoluted():
assert list(absoluted(())) == []
assert list(absoluted((-2, -1, 0, 1, 2))) == [2, 1, 0, 1, 2]
def test_quantized():
with pytest.raises(ValueError):
list(quantized((), 0))
with pytest.raises(ValueError):
list(quantized((), 4, 0, 0))
with pytest.raises(ValueError):
list(quantized((), 4, 1, 1))
with pytest.raises(ValueError):
list(quantized((), 4, 1, 0))
assert list(quantized((), 4)) == []
assert list(quantized((0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1), 4)) == [
0.0, 0.0, 0.0, 0.25, 0.25, 0.5, 0.5, 0.5, 0.75, 0.75, 1.0]
assert list(quantized((0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1), 4, 0, 1)) == [
0.0, 0.0, 0.0, 0.25, 0.25, 0.5, 0.5, 0.5, 0.75, 0.75, 1.0]
assert list(quantized((0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1), 5)) == [
0.0, 0.0, 0.2, 0.2, 0.4, 0.4, 0.6, 0.6, 0.8, 0.8, 1.0]
assert list(quantized((0, 0.25, 0.5, 0.75, 1.0, 1.5, 1.75, 2.0), 2, 0, 2)) == [
0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 2.0]
assert list(quantized((1, 1.25, 1.5, 1.75, 2.0, 2.5, 2.75, 3.0), 2, 1, 3)) == [
1.0, 1.0, 1.0, 1.0, 2.0, 2.0, 2.0, 3.0]
def test_booleanized():
with pytest.raises(ValueError):
list(booleanized((), 0, 0))
with pytest.raises(ValueError):
list(booleanized((), 1, 1))
with pytest.raises(ValueError):
list(booleanized((), 1, 0))
with pytest.raises(ValueError):
list(booleanized((), 0, 0.5, -0.2))
with pytest.raises(ValueError):
list(booleanized((), 0, 0.5, 0.5))
assert list(booleanized((), 0, 0.5)) == []
assert list(booleanized((0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1), 0, 0.5)) == [
True, True, True, True, True, True, False, False, False, False, False]
assert list(booleanized((0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 0), 0.25, 0.75)) == [
False, False, False, True, True, True, True, True, False, False, False, False]
assert list(booleanized((0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 0), 0.25, 0.75, 0.2)) == [
False, False, False, False, False, True, True, True, True, True, False, False]
assert list(booleanized((1, 0.9, 0.8, 0.7, 0.6, 0.5, 0.4, 0.3, 0.2, 0.1, 0, 1), 0.25, 0.75)) == [
False, False, False, True, True, True, True, True, False, False, False, False]
assert list(booleanized((1, 0.9, 0.8, 0.7, 0.6, 0.5, 0.4, 0.3, 0.2, 0.1, 0, 1), 0.25, 0.75, 0.2)) == [
False, False, False, False, False, True, True, True, True, True, False, False]
def test_all_values():
assert list(all_values(())) == []
assert list(all_values((False, True))) == [False, True]
assert list(all_values((0, 1, 0, 1), (0, 0, 0, 1))) == [0, 0, 0, 1]
def test_any_values():
assert list(any_values(())) == []
assert list(any_values((False, True))) == [False, True]
assert list(any_values((0, 1, 0, 1), (0, 0, 0, 1))) == [0, 1, 0, 1]
def test_averaged():
assert list(averaged(())) == []
assert list(averaged((0, 0.5, 1))) == [0, 0.5, 1]
assert list(averaged((0, 0.5, 1), (1, 1, 1))) == [0.5, 0.75, 1]
def test_summed():
assert list(summed(())) == []
assert list(summed((0, 0.5, 0.5, 1))) == [0, 0.5, 0.5, 1]
assert list(summed((0, 0.5, 0.5, 1), (1, 0.5, 1, 1))) == [1, 1, 1.5, 2]
def test_multiplied():
assert list(multiplied(())) == []
assert list(multiplied((0, 0.5, 0.5, 1))) == [0, 0.5, 0.5, 1]
assert list(multiplied((0, 0.5, 0.5, 1), (1, 0.5, 1, 1))) == [0, 0.25, 0.5, 1]
def test_queued():
with pytest.raises(ValueError):
list(queued((), 0))
assert list(queued((), 5)) == []
assert list(queued((1, 2, 3, 4, 5), 5)) == [1]
assert list(queued((1, 2, 3, 4, 5, 6), 5)) == [1, 2]
def test_smoothed():
with pytest.raises(ValueError):
list(smoothed((), 0))
assert list(smoothed((), 5)) == []
assert list(smoothed((1, 2, 3, 4, 5), 5)) == [3.0]
assert list(smoothed((1, 2, 3, 4, 5, 6), 5)) == [3.0, 4.0]
assert list(smoothed((1, 2, 3, 4, 5, 6), 5, average=mean)) == [3.0, 4.0]
assert list(smoothed((1, 1, 1, 4, 5, 5), 5, average=mean)) == [2.4, 3.2]
assert list(smoothed((1, 1, 1, 4, 5, 5), 5, average=median)) == [1, 4]
def test_pre_delayed():
with pytest.raises(ValueError):
list(pre_delayed((), -1))
assert list(pre_delayed((), 0.01)) == []
count = 0
start = time()
for v in pre_delayed((0, 0, 0), 0.01):
count += 1
assert v == 0
assert time() - start >= 0.01
start = time()
assert count == 3
def test_post_delayed():
with pytest.raises(ValueError):
list(post_delayed((), -1))
assert list(post_delayed((), 0.01)) == []
count = 0
start = time()
for v in post_delayed((1, 2, 2), 0.01):
count += 1
if v == 1:
assert time() - start < 0.01
else:
assert v == 2
assert time() - start >= 0.01
start = time()
assert time() - start >= 0.01
assert count == 3
def test_pre_periodic_filtered():
with pytest.raises(ValueError):
list(pre_periodic_filtered((), 2, -1))
with pytest.raises(ValueError):
list(pre_periodic_filtered((), 0, 0))
assert list(pre_periodic_filtered((), 2, 0)) == []
assert list(pre_periodic_filtered((1, 2, 3, 4, 5, 6, 7, 8, 9, 10), 2, 0)) == [3, 4, 5, 6, 7, 8, 9, 10]
assert list(pre_periodic_filtered((1, 2, 3, 4, 5, 6, 7, 8, 9, 10), 1, 1)) == [2, 4, 6, 8, 10]
assert list(pre_periodic_filtered((1, 2, 3, 4, 5, 6, 7, 8, 9, 10), 1, 2)) == [2, 3, 5, 6, 8, 9]
assert list(pre_periodic_filtered((1, 2, 3, 4, 5, 6, 7, 8, 9, 10), 2, 1)) == [3, 6, 9]
def test_post_periodic_filtered():
with pytest.raises(ValueError):
list(post_periodic_filtered((), 1, 0))
with pytest.raises(ValueError):
list(post_periodic_filtered((), 0, 1))
assert list(pre_periodic_filtered((), 1, 1)) == []
assert list(post_periodic_filtered((1, 2, 3, 4, 5, 6, 7, 8, 9, 10), 1, 1)) == [1, 3, 5, 7, 9]
assert list(post_periodic_filtered((1, 2, 3, 4, 5, 6, 7, 8, 9, 10), 1, 2)) == [1, 4, 7, 10]
assert list(post_periodic_filtered((1, 2, 3, 4, 5, 6, 7, 8, 9, 10), 2, 1)) == [1, 2, 4, 5, 7, 8, 10]
def test_alternating_values():
assert list(islice(alternating_values(), 5)) == [False, True, False, True, False]
assert list(islice(alternating_values(True), 5)) == [True, False, True, False, True]
def test_random_values():
for _, v in zip(range(1000), random_values()):
assert 0 <= v <= 1
def test_sin_values():
firstval = None
for i, v in zip(range(1000), sin_values()):
assert -1 <= v <= 1
assert isclose(v, sin(radians(i)), abs_tol=1e-9)
if i == 0:
firstval = v
else:
if i % 360 == 0:
assert v == firstval
for period in (360, 100):
firstval = None
for i, v in zip(range(1000), sin_values(period)):
assert -1 <= v <= 1
if i == 0:
firstval = v
else:
if i % period == 0:
assert v == firstval
def test_cos_values():
firstval = None
for i, v in zip(range(1000), cos_values()):
assert -1 <= v <= 1
assert isclose(v, cos(radians(i)), abs_tol=1e-9)
if i == 0:
firstval = v
else:
if i % 360 == 0:
assert v == firstval
for period in (360, 100):
firstval = None
for i, v in zip(range(1000), cos_values(period)):
assert -1 <= v <= 1
if i == 0:
firstval = v
else:
if i % period == 0:
assert v == firstval