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# Copyright 2013-2023 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.package import *
class Mpi(Package):
"""Virtual package for the Message Passing Interface."""
homepage = "https://www.mpi-forum.org/"
virtual = True
def test_mpi_hello(self):
"""build and run mpi hello world"""
for lang in ("c", "f"):
filename = self.test_suite.current_test_data_dir.join("mpi_hello." + lang)
compiler_var = "MPICC" if lang == "c" else "MPIF90"
compiler = which(os.environ[compiler_var])
mpirun = which(self.prefix.bin.mpirun)
exe_name = "mpi_hello_%s" % lang
with test_part(self, f"test_mpi_hello_{lang}", purpose=f"build and run {filename}"):
compiler("-o", exe_name, filename)
out = mpirun("-np", "1", exe_name, output=str.split, error=str.split)
expected = [r"Hello world! From rank \s*0 of \s*1"]
check_outputs(expected, out)
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