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https://github.com/RIOT-OS/RIOT.git
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3893f04d00
Testrunner is now impported as a package found in PYTHONPATH, so import can be placed at the top of the script as usual.
50 lines
1.4 KiB
Python
Executable File
50 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# vim:fenc=utf-8
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# Copyright (C) 2017 Freie Universität Berlin
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#
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# This file is subject to the terms and conditions of the GNU Lesser
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# General Public License v2.1. See the file LICENSE in the top level
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# directory for more details.
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import sys
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import time
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from testrunner import run
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US_PER_SEC = 1000000
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EXTERNAL_JITTER = 0.15
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class InvalidTimeout(Exception):
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pass
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def testfunc(child):
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try:
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child.expect_exact("Please hit any key and then ENTER to continue")
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child.sendline("a")
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start_test = time.time()
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child.expect_exact("5 x usleep(i++ * 500000)")
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for i in range(5):
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child.expect_exact("wake up")
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child.expect_exact("5 x sleep(i++)")
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for i in range(5):
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child.expect_exact("wake up")
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child.expect_exact("DONE")
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testtime = (time.time() - start_test) * US_PER_SEC
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exp = sum(i * 500000 for i in range(5)) + \
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sum(i * US_PER_SEC for i in range(5))
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lower_bound = exp - (exp * EXTERNAL_JITTER)
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upper_bound = exp + (exp * EXTERNAL_JITTER)
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if not (lower_bound < testtime < upper_bound):
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raise InvalidTimeout("Host timer measured %d us (client measured %d us)" %
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(testtime, exp))
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except InvalidTimeout as e:
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print(e)
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sys.exit(1)
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if __name__ == "__main__":
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sys.exit(run(testfunc))
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