| Message ID | 1452101585-25933-3-git-send-email-swarren@wwwdotorg.org |
|---|---|
| State | Accepted |
| Commit | 1c8b4d5f4f6a8bad12b2b690a04f96731410bb73 |
| Delegated to: | Simon Glass |
| Headers | show |
On 6 January 2016 at 10:33, Stephen Warren <swarren@wwwdotorg.org> wrote: > From: Stephen Warren <swarren@nvidia.com> > > Execute "sleep", and validate that it sleeps for approximately the correct > amount of time. > > Signed-off-by: Stephen Warren <swarren@nvidia.com> > --- > This patch depends on both the two previous patches, and on my unrelated > series which adds the test/py code. If I resend that series, I can add > this patch into it. > --- > test/py/tests/test_sleep.py | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > create mode 100644 test/py/tests/test_sleep.py Acked-by: Simon Glass <sjg@chromium.org>
On 01/06/2016 10:33 AM, Stephen Warren wrote: > From: Stephen Warren <swarren@nvidia.com> > > Execute "sleep", and validate that it sleeps for approximately the correct > amount of time. FYI, I've reposted the series that implements the test/py code, and bundled this patch 3/3 in this series into that series. As such, I believe patches 1/3 and 2/3 in this series can be applied through whatever path sandbox (or DM or timer) patches would normally go through.
Hi Stephen, On 15 January 2016 at 11:24, Stephen Warren <swarren@wwwdotorg.org> wrote: > On 01/06/2016 10:33 AM, Stephen Warren wrote: >> >> From: Stephen Warren <swarren@nvidia.com> >> >> Execute "sleep", and validate that it sleeps for approximately the correct >> amount of time. > > > FYI, I've reposted the series that implements the test/py code, and bundled > this patch 3/3 in this series into that series. > > As such, I believe patches 1/3 and 2/3 in this series can be applied through > whatever path sandbox (or DM or timer) patches would normally go through. I've applied them to u-boot-dm. Regards, Simon
diff --git a/test/py/tests/test_sleep.py b/test/py/tests/test_sleep.py new file mode 100644 index 000000000000..64f1ddf9a09f --- /dev/null +++ b/test/py/tests/test_sleep.py @@ -0,0 +1,24 @@ +# Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. +# +# SPDX-License-Identifier: GPL-2.0 + +import pytest +import time + +def test_sleep(u_boot_console): + '''Test the sleep command, and validate that it sleeps for approximately + the correct amount of time.''' + + # Do this before we time anything, to make sure U-Boot is already running. + # Otherwise, the system boot time is included in the time measurement. + u_boot_console.ensure_spawned() + + # 3s isn't too long, but is enough to cross a few second boundaries. + sleep_time = 3 + tstart = time.time() + u_boot_console.run_command('sleep %d' % sleep_time) + tend = time.time() + elapsed = tend - tstart + delta_to_expected = abs(elapsed - sleep_time) + # 0.25s margin is hopefully enough to account for any system overhead. + assert delta_to_expected < 0.25