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pqcrypto/test/test_symbol_namespace.py
Thom Wiggers 65d43df241
Change permit test into a decorator
This way we can properly raise skiptest
2019-04-18 11:26:28 +02:00

59 lines
1.7 KiB
Python

"""
Checks that the all exported symbols are properly namespaced, i.e., all
start with "PQCLEAN_SCHEMENAME_".
"""
import pqclean
import helpers
import sys
import unittest
def test_symbol_namespace():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_symbol_namespace, implementation
@helpers.filtered_test
def check_symbol_namespace(implementation):
if sys.platform not in ['linux', 'darwin']:
raise unittest.SkipTest("Unsupported platform")
helpers.make(working_dir=implementation.path())
out = helpers.run_subprocess(
['nm', '-g', implementation.libname()],
implementation.path()
)
lines = out.strip().split("\n")
symbols = []
for line in lines:
if ' T ' in line or ' D ' in line or ' S ' in line:
symbols.append(line)
namespace = implementation.namespace_prefix()
non_namespaced = []
for symbolstr in symbols:
*_, symtype, symbol = symbolstr.split()
if symtype in 'TR':
if (not symbol.startswith(namespace) and
# weird things on i386
not symbol.startswith('__x86.get_pc_thunk.') and
not symbol.startswith('_' + namespace)):
non_namespaced.append(symbol)
if non_namespaced:
print("Missing namespace literal {}".format(namespace))
for symbol in non_namespaced:
print("\ttype: {}, symbol: {}".format(symtype, symbol))
assert(False)
if __name__ == '__main__':
try:
import nose2
nose2.main()
except ImportError:
import nose
nose.runmodule()