pqc/test/helpers.py
2019-02-28 16:17:58 +01:00

48 lines
1.3 KiB
Python

import os
import subprocess
def run_subprocess(command, working_dir='.', env=None, expected_returncode=0):
"""
Helper function to run a shell command and report success/failure
depending on the exit status of the shell command.
"""
if env is not None:
env_ = os.environ.copy()
env_.update(env)
env = env_
# Note we need to capture stdout/stderr from the subprocess,
# then print it, which nose/unittest will then capture and
# buffer appropriately
result = subprocess.run(
command,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
cwd=working_dir,
env=env,
)
print(working_dir + " > " + " ".join(command))
print(result.stdout.decode('utf-8'))
assert(result.returncode == expected_returncode)
return result.stdout.decode('utf-8')
def make(*args, working_dir='.', env=None, **kwargs):
"""
Runs a make target in the specified working directory
Usage:
make('clean', 'targetb', SCHEME='bla')
"""
make_command = 'make'
return run_subprocess(
[
make_command,
*args,
*['{}={}'.format(k, v) for k, v in kwargs.items()],
],
working_dir=working_dir,
env=env,
)