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import os
import pathlib
import unittest
import warnings
import mpi4py
class TestRC(unittest.TestCase):
#
@staticmethod
def newrc():
rc = type(mpi4py.rc)()
rc(initialize=rc.initialize)
rc(threads=rc.threads)
rc(thread_level=rc.thread_level)
rc(finalize=rc.finalize)
rc(fast_reduce=rc.fast_reduce)
rc(recv_mprobe=rc.recv_mprobe)
rc(irecv_bufsz=rc.irecv_bufsz)
rc(errors=rc.errors)
return rc
def testCallKwArgs(self):
rc = self.newrc()
kwargs = rc.__dict__.copy()
rc(**kwargs)
def testInitKwArgs(self):
rc = self.newrc()
kwargs = rc.__dict__.copy()
rc = type(mpi4py.rc)(**kwargs)
def testBadAttribute(self):
with self.assertRaises(TypeError):
mpi4py.rc(ABCXYZ=123456)
with self.assertRaises(TypeError):
mpi4py.rc.ABCXYZ = 123456
with self.assertRaises(AttributeError):
_ = mpi4py.rc.ABCXYZ
def testRepr(self):
repr(mpi4py.rc)
class TestConfig(unittest.TestCase):
#
def testGetInclude(self):
include = mpi4py.get_include()
self.assertIsInstance(include, str)
include = pathlib.Path(include)
self.assertTrue(include.is_dir())
header = include / "mpi4py" / "mpi4py.h"
self.assertTrue(header.is_file())
def testGetConfig(self):
conf = mpi4py.get_config()
self.assertIsInstance(conf, dict)
mpicc = conf.get("mpicc")
if mpicc is not None:
self.assertTrue(pathlib.Path(mpicc).exists())
class TestProfile(unittest.TestCase):
#
def testProfile(self):
import struct
import sysconfig
bits = struct.calcsize("P") * 8
triplet = sysconfig.get_config_var("MULTIARCH") or ""
libpath = [
f"{prefix}{suffix}"
for prefix in ("/lib", "/usr/lib")
for suffix in (bits, f"/{triplet}", "")
]
fspath = (os.fsencode, os.fsdecode, pathlib.Path)
libraries = (
"c",
"libc.so.6",
"m",
"libm.so.6",
"dl",
"libdl.so.2",
)
def mpi4py_profile(*args, **kwargs):
try:
mpi4py.profile(*args, **kwargs)
except ValueError:
pass
if os.name != "posix":
with warnings.catch_warnings():
warnings.simplefilter("error")
with self.assertRaises(UserWarning):
mpi4py.profile(struct.__file__)
return
with warnings.catch_warnings():
warnings.simplefilter("ignore")
for libname in libraries:
mpi4py_profile(libname, path=libpath)
for fs in fspath:
mpi4py_profile(libname, path=map(fs, libpath))
for path in libpath:
mpi4py_profile(libname, path=path)
for fsp in fspath:
mpi4py_profile(libname, path=fsp(path))
warnings.simplefilter("error")
with self.assertRaises(UserWarning):
mpi4py.profile("hosts", path=["/etc"])
with self.assertRaises(ValueError):
mpi4py.profile("@querty")
with self.assertRaises(ValueError):
mpi4py.profile("@querty", path="/usr/lib")
with self.assertRaises(ValueError):
mpi4py.profile("@querty", path=["/usr/lib"])
with self.assertRaises(ValueError):
mpi4py.profile("@querty")
if __name__ == "__main__":
unittest.main()
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