mirror of
https://github.com/brain-hackers/u-boot-brain
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e8debf394f
Python's coding style docs indicate to use " not ' for docstrings. test/py has other violations of the coding style docs, since the docs specify a stranger style than I would expect, but nobody has complained about those yet:-) Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org>
21 lines
658 B
Python
21 lines
658 B
Python
# Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
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#
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# SPDX-License-Identifier: GPL-2.0
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import pytest
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import time
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def test_sleep(u_boot_console):
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"""Test the sleep command, and validate that it sleeps for approximately
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the correct amount of time."""
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# 3s isn't too long, but is enough to cross a few second boundaries.
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sleep_time = 3
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tstart = time.time()
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u_boot_console.run_command('sleep %d' % sleep_time)
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tend = time.time()
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elapsed = tend - tstart
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delta_to_expected = abs(elapsed - sleep_time)
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# 0.25s margin is hopefully enough to account for any system overhead.
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assert delta_to_expected < 0.25
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