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import importlib
import io
import os
import pathlib
import sys
import unittest
import warnings
import mpi4py
pkgdir = pathlib.Path(mpi4py.__file__).resolve().parent
class TestImport(unittest.TestCase):
#
#
def testImportMPI(self):
importlib.import_module("mpi4py.MPI")
def testImportBench(self):
importlib.import_module("mpi4py.bench")
def testImportFutures(self):
importlib.import_module("mpi4py.futures")
importlib.import_module("mpi4py.futures.server")
importlib.import_module("mpi4py.futures.__main__")
def testImportRun(self):
importlib.import_module("mpi4py.run")
importlib.import_module("mpi4py.__main__")
def testImportTyping(self):
importlib.import_module("mpi4py.typing")
def testImportUtil(self):
importlib.import_module("mpi4py.util")
importlib.import_module("mpi4py.util.dtlib")
importlib.import_module("mpi4py.util.pkl5")
importlib.import_module("mpi4py.util.pool")
importlib.import_module("mpi4py.util.sync")
def testImportMPIABI(self):
importlib.import_module("mpi4py._mpiabi")
class TestDataFiles(unittest.TestCase):
#
#
def testTyping(self):
import importlib.machinery
py_typed = pkgdir / "py.typed"
self.assertTrue(py_typed.exists())
suffixes = [
*importlib.machinery.SOURCE_SUFFIXES,
*importlib.machinery.EXTENSION_SUFFIXES,
]
for root, _, files in os.walk(pkgdir):
root = pathlib.Path(root)
for fname in files:
name, _, extra = fname.partition(".")
suffix = f".{extra}"
for entry in suffixes:
if suffix.endswith(entry):
pyi = root / f"{name}.pyi"
self.assertTrue(pyi.exists())
break
def testCython(self):
for pxd in [
pkgdir / "__init__.pxd",
pkgdir / "libmpi.pxd",
pkgdir / "MPI.pxd",
]:
self.assertTrue(pxd.exists())
def testHeaders(self):
for hdr in [
pkgdir / "MPI.h",
pkgdir / "MPI_api.h",
pkgdir / "include" / "mpi4py" / "pycapi.h",
pkgdir / "include" / "mpi4py" / "mpi4py.h",
pkgdir / "include" / "mpi4py" / "mpi4py.i",
]:
self.assertTrue(hdr.exists())
class TestMPIABI(unittest.TestCase):
#
#
def setUp(self):
module = importlib.import_module("mpi4py.MPI")
self.mpiabi = importlib.import_module("mpi4py._mpiabi")
self.sentinel = getattr(self.mpiabi._get_mpiabi, "mpiabi", None)
self.savedstate = (self.mpiabi.MPIABI, self.mpiabi.LIBMPI)
if os.name == "posix":
self.libmpi = module.__file__
else:
vendor = module.get_vendor()[0]
if vendor == "Intel MPI":
self.libmpi = "impi.dll"
elif vendor == "Microsoft MPI":
self.libmpi = "msmpi.dll"
def tearDown(self):
self.mpiabi._registry.pop("mpi4py.xyz", None)
if self.sentinel is not None:
self.mpiabi._get_mpiabi.mpiabi = self.sentinel
elif hasattr(self.mpiabi._get_mpiabi, "mpiabi"):
del self.mpiabi._get_mpiabi.mpiabi
self.mpiabi.MPIABI, self.mpiabi.LIBMPI = self.savedstate
del self.mpiabi
def testGetFromString(self):
mpiabi = self.mpiabi
mpiabi._get_mpiabi.mpiabi = None
mpiabi.MPIABI = "mpiabi"
result = mpiabi._get_mpiabi()
self.assertEqual(result, "mpiabi")
def testGetFromLibMPI(self):
mpiabi = self.mpiabi
mpiabi._get_mpiabi.mpiabi = None
mpiabi.LIBMPI = self.libmpi
result = mpiabi._get_mpiabi()
expected = {"mpiabi", "mpich", "openmpi", "impi", "msmpi"}
self.assertIn(result, expected)
def testString(self):
mpiabi = self.mpiabi
posix = os.name == "posix"
for string, expected in (
("mpiabi", "mpiabi"),
("MPICH", "mpich" if posix else "impi"),
("I_MPI", "mpich" if posix else "impi"),
("Open MPI", "openmpi"),
("OPEN-MPI", "openmpi"),
("", ""),
):
result = mpiabi._get_mpiabi_from_string(string)
self.assertEqual(result, expected)
def testLibMPI(self):
mpiabi = self.mpiabi
libmpi = self.libmpi
result = mpiabi._get_mpiabi_from_libmpi(libmpi)
expected = {"mpiabi", "mpich", "openmpi", "impi", "msmpi"}
self.assertIn(result, expected)
def testSuffix(self):
mpiabi = self.mpiabi
for abiname in ("mpiabi1", "mpiabi2", ""):
mpiabi._get_mpiabi.mpiabi = abiname
result = mpiabi._get_mpiabi_suffix("mpi4py.xyz")
self.assertIsNone(result)
mpiabi._register("mpi4py.xyz", abiname)
mpiabi._register("mpi4py.xyz", abiname)
result = mpiabi._get_mpiabi_suffix("mpi4py.xyz")
self.assertEqual(result, f".{abiname}" if abiname else "")
def testFinder(self):
mpiabi = self.mpiabi
finder = mpiabi._Finder
registry = mpiabi._registry
if finder not in sys.meta_path:
mpiabi._install_finder()
mpiabi._install_finder()
self.assertIs(finder, sys.meta_path.pop())
if "mpi4py.MPI" not in registry:
mpiabi._get_mpiabi.mpiabi = ""
mpiabi._register("mpi4py.MPI", "")
spec = finder.find_spec("mpi4py.MPI", mpi4py.__path__)
if mpiabi._get_mpiabi.mpiabi == "":
del mpiabi._get_mpiabi.mpiabi
del registry["mpi4py.MPI"]
self.assertIsNotNone(spec)
#
spec = finder.find_spec("mpi4py.xyz", mpi4py.__path__)
self.assertIsNone(spec)
mpiabi._get_mpiabi.mpiabi = ""
mpiabi._register("mpi4py.xyz", "")
with warnings.catch_warnings():
warnings.simplefilter("ignore")
spec = finder.find_spec("mpi4py.xyz", mpi4py.__path__)
self.assertIsNone(spec)
with warnings.catch_warnings():
warnings.simplefilter("error")
with self.assertRaises(RuntimeWarning):
finder.find_spec("mpi4py.xyz", mpi4py.__path__)
def testVerboseInfo(self):
mpiabi = self.mpiabi
message = "@message@"
output = f"# [{mpiabi.__name__}] {message}\n"
sys.stderr = stderr = io.StringIO()
try:
mpiabi._verbose_info(message, verbosity=-1)
finally:
sys.stderr = sys.__stderr__
self.assertEqual(stderr.getvalue(), output)
def testDLOpen(self):
mpiabi = self.mpiabi
os_name_save = os.name
os_environ_save = os.environ
sys_platform_save = sys.platform
try:
for os_name, sys_platform in (
("posix", "linux"),
("posix", "freebsd"),
("posix", "darwin"),
("nt", "win32"),
):
os.name = os_name
sys.platform = sys_platform
mpiabi._dlopen_rpath()
os.environ = env = {}
env["I_MPI_ROOT"] = "/usr"
mpiabi._dlopen_rpath()
env["MSMPI_ROOT"] = "/usr"
mpiabi._dlopen_rpath()
env["MSMPI_BIN"] = "/usr/bin"
mpiabi._dlopen_rpath()
finally:
os.name = os_name_save
os.environ = os_environ_save # noqa: B003
sys.platform = sys_platform_save
if __name__ == "__main__":
unittest.main()
|
