mirror of
https://github.com/henrydcase/pqc.git
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1399c7fd1f
use randombytes in functest Got dropped by the rebase Work around missing clang-tidy on Travis Also check if valgrind is available
101 lines
3.0 KiB
Python
101 lines
3.0 KiB
Python
import functools
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import os
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import subprocess
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import unittest
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import shutil
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import sys
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def run_subprocess(command, working_dir='.', env=None, expected_returncode=0):
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"""
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Helper function to run a shell command and report success/failure
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depending on the exit status of the shell command.
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"""
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if env is not None:
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env_ = os.environ.copy()
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env_.update(env)
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env = env_
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# Note we need to capture stdout/stderr from the subprocess,
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# then print it, which nose/unittest will then capture and
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# buffer appropriately
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print(working_dir + " > " + " ".join(command))
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result = subprocess.run(
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command,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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cwd=working_dir,
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env=env,
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)
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print(result.stdout.decode('utf-8'))
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assert result.returncode == expected_returncode, \
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"Got unexpected return code {}".format(result.returncode)
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return result.stdout.decode('utf-8')
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def make(*args, working_dir='.', env=None, expected_returncode=0, **kwargs):
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"""
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Runs a make target in the specified working directory
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Usage:
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make('clean', 'targetb', SCHEME='bla')
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"""
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if os.name == 'nt':
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make_command = ['nmake', '/f', 'Makefile.Microsoft_nmake',
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'/NOLOGO', '/E']
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# we need SCHEME_UPPERCASE and IMPLEMENTATION_UPPERCASE with nmake
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for envvar in ['IMPLEMENTATION', 'SCHEME']:
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if envvar in kwargs:
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kwargs['{}_UPPERCASE'.format(envvar)] = (
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kwargs[envvar].upper().replace('-', ''))
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else:
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make_command = ['make']
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return run_subprocess(
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[
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*make_command,
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*['{}={}'.format(k, v) for k, v in kwargs.items()],
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*args,
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],
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working_dir=working_dir,
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env=env,
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expected_returncode=expected_returncode,
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)
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def skip_windows(message="This test is not supported on Windows"):
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def wrapper(f):
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@functools.wraps(f)
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def skip_windows(*args, **kwargs):
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raise unittest.SkipTest(message)
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if os.name == 'nt':
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return skip_windows
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else:
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return f
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return wrapper
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def ensure_available(executable):
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"""
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Checks if a command is available.
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If a command MUST be available, because we are in a CI environment,
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raises an AssertionError.
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In the docker containers, on Travis and on Windows, CI=true is set.
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"""
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path = shutil.which(executable)
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if path:
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print("Found", path)
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return path
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# Installing clang-tidy on LLVM will be too much of a mess.
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if ((executable == 'clang-tidy' and sys.platform == 'darwin')
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or 'CI' not in os.environ):
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raise unittest.SkipTest(
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"{} is not available on PATH. Install it to run this test.{}"
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.format(executable, "" if not os.name == 'nt'
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else "On Windows, make sure to add it to PATH")
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)
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raise AssertionError("{} not available on CI".format(executable))
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