mirror of
https://github.com/henrydcase/pqc.git
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87 lines
2.7 KiB
Python
87 lines
2.7 KiB
Python
"""
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Checks that every .c and .h file in an implementation is present as a
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dependency of that scheme's Makefile.
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"""
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import os
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import pqclean
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import helpers
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import glob
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import datetime
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import unittest
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def _skipped_test(*args, **kwargs):
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"""Used to indicate skipped tests"""
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raise unittest.SkipTest("Skipped makefile dependencies test")
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def test_makefile_dependencies():
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for scheme in pqclean.Scheme.all_schemes():
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for implementation in scheme.implementations:
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if not helpers.permit_test(
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'makefile_dependencies', implementation):
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yield _skipped_test, implementation
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continue
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# initial build - want to have *all* files in place at beginning
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helpers.make('clean', working_dir=implementation.path())
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helpers.make(working_dir=implementation.path())
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# test case for each candidate file
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cfiles = glob.glob(os.path.join(implementation.path(), '*.c'))
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hfiles = glob.glob(os.path.join(implementation.path(), '*.h'))
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for file in (cfiles + hfiles):
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yield (check_makefile_dependencies, implementation, file)
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def touch(time, *files):
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for path in files:
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times = (time.timestamp(), time.timestamp())
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os.utime(path, times)
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def make_check(path, expect_error=False):
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makeflag = '-q' if os.name != 'nt' else '/Q'
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expected_returncode = 0
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if expect_error:
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expected_returncode = 1 if os.name != 'nt' else 255
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helpers.make(makeflag, working_dir=path,
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expected_returncode=expected_returncode)
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def check_makefile_dependencies(implementation, file):
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cfiles = implementation.cfiles()
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hfiles = implementation.hfiles()
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ofiles = implementation.ofiles()
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libfile = os.path.join(implementation.path(), implementation.libname())
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# modification time-based calculations is tricky on a sub-second basis
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# so we reset all the modification times to a known and "sensible" order
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now = datetime.datetime.now() - datetime.timedelta(seconds=10)
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ago15 = now - datetime.timedelta(minutes=15)
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ago10 = now - datetime.timedelta(minutes=10)
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ago5 = now - datetime.timedelta(minutes=5)
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touch(ago15, *cfiles, *hfiles)
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touch(ago10, *ofiles)
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touch(ago5, libfile)
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# Sanity check: the scheme is up to date
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make_check(implementation.path())
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# touch the candidate .c / .h file
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touch(now, file)
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# check if it needs to be rebuilt using make -q
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make_check(implementation.path(), expect_error=True)
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if __name__ == '__main__':
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try:
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import nose2
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nose2.main()
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except ImportError:
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import nose
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nose.runmodule()
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