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
|
import math
import os
import time
from datetime import date, datetime, timedelta
from unittest import mock
import pytest
from hiro import Timeline
from hiro.utils import timedelta_to_seconds
from tests.emulated_modules import sample_1, sample_2, sample_3
def test_accelerate():
s = time.time()
with Timeline(100):
time.sleep(10)
assert time.time() - s < 10
def test_deccelerate():
s = time.time()
with Timeline(0.5):
time.sleep(0.25)
assert time.time() - s > 0.25
def test_check_time():
start = time.time()
with Timeline(100):
for i in range(0, 10):
time.sleep(1)
delta = time.time() - (start + (i + 1) * 100)
assert delta <= 1.5, delta
def test_utc():
start_local = datetime.now()
start_utc = datetime.utcnow()
with Timeline(100000):
time.sleep(60 * 60)
future_diff = (datetime.now() - datetime.utcnow()).seconds / 60.0 / 60.0
start_diff = (start_local - start_utc).seconds / 60.0 / 60.0
assert math.ceil(future_diff) == math.ceil(start_diff)
time.sleep(60 * 60 * 23)
assert (datetime.now() - start_local).days == 1
assert (datetime.utcnow() - start_utc).days == 1
def test_forward():
original = date.today()
with Timeline() as timeline:
timeline.forward(86400)
assert (date.today() - original).days == 1
def test_rewind():
original_day = date.today()
original_datetime = datetime.now()
with Timeline() as timeline:
timeline.rewind(86400)
assert (original_day - date.today()).days == 1
timeline.forward(timedelta(days=1))
assert (original_day - date.today()).days == 0
timeline.rewind(timedelta(days=1))
amount = original_datetime - datetime.now()
amount_seconds = timedelta_to_seconds(amount)
assert int(amount_seconds) >= 86399, amount_seconds
def test_freeze():
with Timeline() as timeline:
timeline.freeze()
originals = (
sample_1.sub_module_1.sub_sample_1_1_time(),
sample_1.sub_module_1.sub_sample_1_1_now(),
)
time.sleep(1)
assert time.time() == originals[0]
assert datetime.now() == originals[1]
with Timeline() as timeline:
timeline.freeze()
originals = (
sample_2.sub_module_2.sub_sample_2_1_time(),
sample_2.sub_module_2.sub_sample_2_1_now(),
)
time.sleep(1)
assert time.time() == originals[0]
assert datetime.now() == originals[1]
with Timeline() as timeline:
timeline.freeze()
originals = (
sample_3.sub_module_3.sub_sample_3_1_time(),
sample_3.sub_module_3.sub_sample_3_1_now(),
sample_3.sub_module_3.sub_sample_3_1_gmtime(),
)
time.sleep(1)
assert time.time() == originals[0]
assert datetime.now() == originals[1]
assert time.gmtime() == originals[2]
def test_freeze_target():
with Timeline() as timeline:
timeline.freeze(datetime.fromtimestamp(0))
assert round(abs(time.time() - 0), 1) == 0
with Timeline() as timeline:
timeline.freeze(0)
assert round(abs(time.time() - 0), 1) == 0
assert round(abs(time.time_ns() - 0), 1) == 0
assert round(abs(time.monotonic() - 0), 1) == 0
assert round(abs(time.monotonic_ns() - 0), 1) == 0
with Timeline() as timeline:
with pytest.raises(TypeError):
timeline.freeze("now")
with Timeline() as timeline:
with pytest.raises(AttributeError):
timeline.freeze(-1)
with pytest.raises(AttributeError):
timeline.freeze(date(1969, 1, 1))
def test_unfreeze():
real_day = date.today()
with Timeline() as timeline:
timeline.freeze(0)
assert round(abs(time.time() - 0), 7) == 0
timeline.unfreeze()
timeline.scale(10)
time.sleep(1)
assert int(time.time()) == 1
timeline.forward(timedelta(minutes=2))
assert int(time.time()) == 121
timeline.reset()
assert (int(time.time()) - int(os.popen("date +%s").read().strip())) <= 1
timeline.forward(timedelta(days=1))
assert (date.today() - real_day).days == 1
def test_freeze_forward_unfreeze():
# start at 2012/12/12 0:0:0
test_timeline = Timeline(scale=100, start=datetime(2012, 12, 12, 0, 0, 0))
# jump forward an hour and freeze
with test_timeline.forward(60 * 60).freeze():
assert (
round(
abs((datetime.now() - datetime(2012, 12, 12, 1, 0, 0)).seconds - 0), 7
)
== 0
)
# sleep 10 seconds
time.sleep(10)
# assert no changes
assert (
round(
abs((datetime.now() - datetime(2012, 12, 12, 1, 0, 0)).seconds - 0), 7
)
== 0
)
# unfreeze timeline
test_timeline.unfreeze()
# ensure unfreeze was at the original freeze point
assert (
round(
abs((datetime.now() - datetime(2012, 12, 12, 1, 0, 0)).seconds - 0), 7
)
== 0
)
# sleep 10 seconds
time.sleep(10)
# ensure post unfreeze, time moves
assert (datetime.now() - datetime(2012, 12, 12, 1, 0, 0)).seconds >= 10
# ensure post unfreeze, forward operations work
test_timeline.forward(timedelta(hours=2))
assert (
int((datetime.now() - datetime(2012, 12, 12, 1, 0, 0)).seconds / 3600) == 2
)
# reset everything
test_timeline.reset()
assert int(time.time()) == int(os.popen("date +%s").read().strip())
def test_fluent():
start = datetime.now()
with Timeline().scale(10).forward(120):
assert int(timedelta_to_seconds(datetime.now() - start)) >= 120
time.sleep(10)
assert int(timedelta_to_seconds(datetime.now() - start)) >= 130
assert (datetime.now() - start).seconds < 10
def test_decorated():
start = datetime(2013, 1, 1, 0, 0, 0)
real_start = datetime.now()
@Timeline(scale=10, start=start)
def _decorated():
time.sleep(10)
assert int(timedelta_to_seconds(datetime.now() - start)) >= 10
_decorated()
assert (datetime.now() - real_start).seconds < 10
def test_decorated_with_argument():
@Timeline()
def _decorated(timeline):
assert isinstance(timeline, Timeline)
_decorated()
@Timeline()
def _decorated(timeline=None):
assert isinstance(timeline, Timeline)
_decorated()
def test_decorated_exception():
class SomeException(Exception):
pass
@Timeline()
def _decorated():
raise SomeException("asdf")
with pytest.raises(SomeException):
_decorated()
@mock.patch("hiro.core.IGNORED_MODULES", new_callable=set)
def test_patch_ignored_modules(IGNORED_MODULES):
hiro_dummy_module = mock.MagicMock(__dir__=mock.MagicMock(side_effect=Exception))
with mock.patch.dict("sys.modules", {"hiro_dummy_module": hiro_dummy_module}):
with Timeline().freeze():
pass
with Timeline().freeze():
pass
hiro_dummy_module.__dir__.assert_called_once()
assert hiro_dummy_module in IGNORED_MODULES
|
