1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
from time import monotonic
from pytest import approx
def test_sleep(command):
# measure the round-trip-time
timestamp = monotonic()
stdout, stderr, returncode = command.run("true")
elapsed_true = monotonic() - timestamp
assert returncode == 0
assert not stdout
assert not stderr
timestamp = monotonic()
stdout, stderr, returncode = command.run("sleep 1")
elapsed_sleep = monotonic() - timestamp
assert returncode == 0
assert not stdout
assert not stderr
assert elapsed_true < elapsed_sleep
assert elapsed_sleep - elapsed_true == approx(1.0, abs=1e-2)
|
