mmcv/tests/test_utils/test_timer.py

41 lines
971 B
Python

# Copyright (c) OpenMMLab. All rights reserved.
import time
import pytest
import mmcv
def test_timer_init():
timer = mmcv.Timer(start=False)
assert not timer.is_running
timer.start()
assert timer.is_running
timer = mmcv.Timer()
assert timer.is_running
def test_timer_run():
timer = mmcv.Timer()
time.sleep(1)
assert abs(timer.since_start() - 1) < 1e-2
time.sleep(1)
assert abs(timer.since_last_check() - 1) < 1e-2
assert abs(timer.since_start() - 2) < 1e-2
timer = mmcv.Timer(False)
with pytest.raises(mmcv.TimerError):
timer.since_start()
with pytest.raises(mmcv.TimerError):
timer.since_last_check()
def test_timer_context(capsys):
with mmcv.Timer():
time.sleep(1)
out, _ = capsys.readouterr()
assert abs(float(out) - 1) < 1e-2
with mmcv.Timer(print_tmpl='time: {:.1f}s'):
time.sleep(1)
out, _ = capsys.readouterr()
assert out == 'time: 1.0s\n'