# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import os
from spack.util.executable import Executable, which
[docs]def compile_c_and_execute(source_file, include_flags, link_flags):
"""Compile C @p source_file with @p include_flags and @p link_flags,
run and return the output.
"""
cc = which('cc')
flags = include_flags
flags.extend([source_file])
cc('-c', *flags)
name = os.path.splitext(os.path.basename(source_file))[0]
cc('-o', "check", "%s.o" % name,
*link_flags)
check = Executable('./check')
return check(output=str)
[docs]def compare_output(current_output, blessed_output):
"""Compare blessed and current output of executables."""
if not (current_output == blessed_output):
print("Produced output does not match expected output.")
print("Expected output:")
print('-' * 80)
print(blessed_output)
print('-' * 80)
print("Produced output:")
print('-' * 80)
print(current_output)
print('-' * 80)
raise RuntimeError("Ouput check failed.",
"See spack_output.log for details")
[docs]def compare_output_file(current_output, blessed_output_file):
"""Same as above, but when the blessed output is given as a file."""
with open(blessed_output_file, 'r') as f:
blessed_output = f.read()
compare_output(current_output, blessed_output)