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mirror of https://github.com/henrydcase/pqc.git synced 2024-11-26 09:21:28 +00:00
pqcrypto/test/test_makefile_dependencies.py
2019-03-06 17:14:36 +01:00

87 lines
2.8 KiB
Python

"""
Checks that every .c and .h file in an implementation is present as a
dependency of that scheme's Makefile.
"""
import os
import pqclean
import helpers
import glob
import datetime
def test_makefile_dependencies():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
# initial build - want to have *all* files in place at beginning
helpers.make('clean', working_dir=implementation.path())
helpers.make(working_dir=implementation.path())
# test case for each candidate file
cfiles = glob.glob(os.path.join(implementation.path(), '*.c'))
hfiles = glob.glob(os.path.join(implementation.path(), '*.h'))
for file in (cfiles + hfiles):
yield (check_makefile_dependencies, implementation, file)
def touch(time, *files):
if not files:
raise Exception("Please specify the files to update")
if os.name == 'nt':
formatstring = "Get-Date -year %Y -month %m -day %d -hour %H -minute %M -second %S"
time = time.strftime(formatstring)
commands = []
for file in files:
commands.append('(ls {}).LastWriteTime = {}'.format(file, time))
helpers.run_subprocess(['powershell', '; '.join(commands)])
else:
formatstring = "%Y%m%d%H%M.%S"
time = time.strftime(formatstring)
helpers.run_subprocess(['touch', '-t', time, *files])
def make_check(path, expect_error=False):
makeflag = '-q' if os.name != 'nt' else '/Q'
expected_returncode = 0
if expect_error:
expected_returncode = 1 if os.name != 'nt' else 255
helpers.make(makeflag, working_dir=path,
expected_returncode=expected_returncode)
def check_makefile_dependencies(implementation, file):
cfiles = implementation.cfiles()
hfiles = implementation.hfiles()
ofiles = implementation.ofiles()
libfile = os.path.join(implementation.path(), implementation.libname())
# modification time-based calculations is tricky on a sub-second basis
# so we reset all the modification times to a known and "sensible" order
now = datetime.datetime.now() - datetime.timedelta(seconds=10)
ago15 = now - datetime.timedelta(minutes=15)
ago10 = now - datetime.timedelta(minutes=10)
ago5 = now - datetime.timedelta(minutes=5)
touch(ago15, *cfiles, *hfiles)
touch(ago10, *ofiles)
touch(ago5, libfile)
# Sanity check: the scheme is up to date
make_check(implementation.path())
# touch the candidate .c / .h file
touch(now, file)
# check if it needs to be rebuilt using make -q
make_check(implementation.path(), expect_error=True)
if __name__ == '__main__':
try:
import nose2
nose2.main()
except ImportError:
import nose
nose.runmodule()