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# Copyright 2013-2022 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)
"""
Tests for Spack's built-in parallel make support.
This just tests whether the right args are getting passed to make.
"""
import os
import shutil
import sys
import tempfile
import unittest
import pytest
from spack.build_environment import MakeExecutable
from spack.util.environment import path_put_first
pytestmark = pytest.mark.skipif(sys.platform == "win32",
reason="does not run on windows")
class MakeExecutableTest(unittest.TestCase):
def setUp(self):
self.tmpdir = tempfile.mkdtemp()
make_exe = os.path.join(self.tmpdir, 'make')
with open(make_exe, 'w') as f:
f.write('#!/bin/sh\n')
f.write('echo "$@"')
os.chmod(make_exe, 0o700)
path_put_first('PATH', [self.tmpdir])
def tearDown(self):
shutil.rmtree(self.tmpdir)
def test_make_normal(self):
make = MakeExecutable('make', 8)
self.assertEqual(make(output=str).strip(), '-j8')
self.assertEqual(make('install', output=str).strip(), '-j8 install')
def test_make_explicit(self):
make = MakeExecutable('make', 8)
self.assertEqual(make(parallel=True, output=str).strip(), '-j8')
self.assertEqual(make('install', parallel=True,
output=str).strip(), '-j8 install')
def test_make_one_job(self):
make = MakeExecutable('make', 1)
self.assertEqual(make(output=str).strip(), '')
self.assertEqual(make('install', output=str).strip(), 'install')
def test_make_parallel_false(self):
make = MakeExecutable('make', 8)
self.assertEqual(make(parallel=False, output=str).strip(), '')
self.assertEqual(make('install', parallel=False,
output=str).strip(), 'install')
def test_make_parallel_disabled(self):
make = MakeExecutable('make', 8)
os.environ['SPACK_NO_PARALLEL_MAKE'] = 'true'
self.assertEqual(make(output=str).strip(), '')
self.assertEqual(make('install', output=str).strip(), 'install')
os.environ['SPACK_NO_PARALLEL_MAKE'] = '1'
self.assertEqual(make(output=str).strip(), '')
self.assertEqual(make('install', output=str).strip(), 'install')
# These don't disable (false and random string)
os.environ['SPACK_NO_PARALLEL_MAKE'] = 'false'
self.assertEqual(make(output=str).strip(), '-j8')
self.assertEqual(make('install', output=str).strip(), '-j8 install')
os.environ['SPACK_NO_PARALLEL_MAKE'] = 'foobar'
self.assertEqual(make(output=str).strip(), '-j8')
self.assertEqual(make('install', output=str).strip(), '-j8 install')
del os.environ['SPACK_NO_PARALLEL_MAKE']
def test_make_parallel_precedence(self):
make = MakeExecutable('make', 8)
# These should work
os.environ['SPACK_NO_PARALLEL_MAKE'] = 'true'
self.assertEqual(make(parallel=True, output=str).strip(), '')
self.assertEqual(make('install', parallel=True,
output=str).strip(), 'install')
os.environ['SPACK_NO_PARALLEL_MAKE'] = '1'
self.assertEqual(make(parallel=True, output=str).strip(), '')
self.assertEqual(make('install', parallel=True,
output=str).strip(), 'install')
# These don't disable (false and random string)
os.environ['SPACK_NO_PARALLEL_MAKE'] = 'false'
self.assertEqual(make(parallel=True, output=str).strip(), '-j8')
self.assertEqual(make('install', parallel=True,
output=str).strip(), '-j8 install')
os.environ['SPACK_NO_PARALLEL_MAKE'] = 'foobar'
self.assertEqual(make(parallel=True, output=str).strip(), '-j8')
self.assertEqual(make('install', parallel=True,
output=str).strip(), '-j8 install')
del os.environ['SPACK_NO_PARALLEL_MAKE']
def test_make_jobs_env(self):
make = MakeExecutable('make', 8)
dump_env = {}
self.assertEqual(make(output=str, jobs_env='MAKE_PARALLELISM',
_dump_env=dump_env).strip(), '-j8')
self.assertEqual(dump_env['MAKE_PARALLELISM'], '8')
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