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from mpi4py import MPI
import mpiunittest as unittest
import ctypes
import operator
import weakref
import sys
import os
class TestObjModel(unittest.TestCase):
objects = [
MPI.Status(),
MPI.DATATYPE_NULL,
MPI.REQUEST_NULL,
MPI.INFO_NULL,
MPI.ERRHANDLER_NULL,
MPI.SESSION_NULL,
MPI.GROUP_NULL,
MPI.WIN_NULL,
MPI.OP_NULL,
MPI.FILE_NULL,
MPI.MESSAGE_NULL,
MPI.COMM_NULL,
]
def testEq(self):
for i, obj1 in enumerate(self.objects):
objects = self.objects[:]
obj2 = objects[i]
self.assertTrue (bool(obj1 == obj2))
self.assertFalse(bool(obj1 != obj2))
del objects[i]
for obj2 in objects:
self.assertTrue (bool(obj1 != obj2))
self.assertTrue (bool(obj2 != obj1))
self.assertFalse(bool(obj1 == obj2))
self.assertFalse(bool(obj2 == obj1))
self.assertFalse(bool(None == obj1 ))
self.assertFalse(bool(obj1 == None ))
self.assertFalse(bool(obj1 == True ))
self.assertFalse(bool(obj1 == False))
self.assertFalse(bool(obj1 == 12345))
self.assertFalse(bool(obj1 == "abc"))
self.assertFalse(bool(obj1 == [123]))
self.assertFalse(bool(obj1 == (1,2)))
self.assertFalse(bool(obj1 == {0:0}))
self.assertFalse(bool(obj1 == set()))
def testNe(self):
for i, obj1 in enumerate(self.objects):
objects = self.objects[:]
obj2 = objects[i]
self.assertFalse(bool(obj1 != obj2))
del objects[i]
for obj2 in objects:
self.assertTrue(bool(obj1 != obj2))
self.assertTrue(bool(None != obj1 ))
self.assertTrue(bool(obj1 != None ))
self.assertTrue(bool(obj1 != True ))
self.assertTrue(bool(obj1 != False))
self.assertTrue(bool(obj1 != 12345))
self.assertTrue(bool(obj1 != "abc"))
self.assertTrue(bool(obj1 != [123]))
self.assertTrue(bool(obj1 != (1,2)))
self.assertTrue(bool(obj1 != {0:0}))
self.assertTrue(bool(obj1 != set()))
def testCmp(self):
for obj in self.objects:
for binop in ('lt', 'le', 'gt', 'ge'):
binop = getattr(operator, binop)
with self.assertRaises(TypeError):
binop(obj, obj)
def testBool(self):
for obj in self.objects[1:]:
self.assertFalse(not not obj)
self.assertTrue(not obj)
self.assertFalse(obj)
def testReduce(self):
import pickle
import copy
def functions(obj):
for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1):
yield lambda ob: pickle.loads(pickle.dumps(ob, protocol))
yield copy.copy
yield copy.deepcopy
for obj in self.objects:
for copier in functions(obj):
dup = copier(obj)
self.assertIs(type(dup), type(obj))
if isinstance(obj, MPI.Status):
self.assertIsNot(dup, obj)
else:
self.assertIs(dup, obj)
cls = type(obj)
dup = copier(cls(obj))
self.assertIs(type(dup), cls)
self.assertIsNot(dup, obj)
cls = type(f'My{type(obj).__name__}', (type(obj),), {})
main = __import__('__main__')
cls.__module__ = main.__name__
setattr(main, cls.__name__, cls)
dup = copier(cls(obj))
delattr(main, cls.__name__)
self.assertIs(type(dup), cls)
self.assertIsNot(dup, obj)
def testHash(self):
for obj in self.objects:
ob_hash = lambda: hash(obj)
self.assertRaises(TypeError, ob_hash)
def testInit(self):
for i, obj in enumerate(self.objects):
klass = type(obj)
new = klass()
self.assertEqual(new, obj)
new = klass(obj)
self.assertEqual(new, obj)
objects = self.objects[:]
del objects[i]
for other in objects:
ob_init = lambda: klass(other)
self.assertRaises(TypeError, ob_init)
ob_init = lambda: klass(1234)
self.assertRaises(TypeError, ob_init)
ob_init = lambda: klass("abc")
self.assertRaises(TypeError, ob_init)
def testWeakRef(self):
for obj in self.objects:
wr = weakref.ref(obj)
self.assertIs(wr(), obj)
self.assertIn(wr, weakref.getweakrefs(obj))
wr = weakref.proxy(obj)
self.assertIn(wr, weakref.getweakrefs(obj))
def testHandle(self):
objects = self.objects[:]
objects += [
MPI.INT,
MPI.FLOAT,
MPI.Request(MPI.REQUEST_NULL),
MPI.Prequest(MPI.REQUEST_NULL),
MPI.Grequest(MPI.REQUEST_NULL),
MPI.INFO_ENV,
MPI.GROUP_EMPTY,
MPI.ERRORS_RETURN,
MPI.ERRORS_ABORT,
MPI.ERRORS_ARE_FATAL,
MPI.COMM_SELF,
MPI.COMM_WORLD,
]
for obj in objects:
if isinstance(obj, MPI.Status):
continue
self.assertGreaterEqual(obj.handle, 0)
newobj = type(obj).fromhandle(obj.handle)
self.assertEqual(newobj, obj)
self.assertEqual(type(newobj), type(obj))
self.assertEqual(newobj.handle, obj.handle)
with self.assertRaises(AttributeError):
newobj.handle = None
with self.assertRaises(AttributeError):
newobj.handle = obj.handle
with self.assertRaises(AttributeError):
del newobj.handle
def testSafeFreeNull(self):
objects = self.objects[:]
for obj in objects:
if isinstance(obj, MPI.Status):
continue
obj.free()
self.assertFalse(obj)
obj.free()
self.assertFalse(obj)
def testSafeFreeConstant(self):
objects = [
MPI.INT,
MPI.LONG,
MPI.FLOAT,
MPI.DOUBLE,
MPI.INFO_ENV,
MPI.SUM,
MPI.PROD,
MPI.GROUP_EMPTY,
MPI.ERRORS_ABORT,
MPI.ERRORS_ARE_FATAL,
MPI.ERRORS_RETURN,
MPI.MESSAGE_NO_PROC,
MPI.COMM_SELF,
MPI.COMM_WORLD,
]
for obj in filter(None, objects):
self.assertTrue(obj)
for _ in range(3):
obj.free()
self.assertTrue(obj)
if not isinstance(obj, MPI.Errhandler):
clon = type(obj)(obj)
self.assertTrue(clon)
for _ in range(3):
clon.free()
self.assertFalse(clon)
if hasattr(obj, 'Dup'):
self.assertTrue(obj)
dup = obj.Dup()
self.assertTrue(dup)
for _ in range(3):
dup.free()
self.assertFalse(dup)
self.assertTrue(obj)
for _ in range(3):
obj.free()
self.assertTrue(obj)
def testSafeFreeCreated(self):
objects = [
MPI.COMM_SELF.Isend((None, 0, MPI.BYTE), MPI.PROC_NULL),
MPI.Op.Create(lambda *_: None),
MPI.COMM_SELF.Get_group(),
MPI.COMM_SELF.Get_errhandler(),
]
try:
objects += [MPI.Info.Create()]
except (NotImplementedError, MPI.Exception):
pass
if os.name == 'posix':
try:
objects += [MPI.File.Open(MPI.COMM_SELF, "/dev/null")]
except NotImplementedError:
pass
try:
objects += [MPI.Win.Create(MPI.BOTTOM)]
except (NotImplementedError, MPI.Exception):
pass
try:
objects += [MPI.Session.Init()]
except NotImplementedError:
pass
for obj in objects:
self.assertTrue(obj)
for _ in range(3):
obj.free()
self.assertFalse(obj)
def testConstants(self):
import pickle
names = (
'BOTTOM',
'IN_PLACE',
'BUFFER_AUTOMATIC',
)
for name in names:
constant = getattr(MPI, name)
self.assertEqual(repr(constant), name)
self.assertEqual(memoryview(constant).nbytes, 0)
self.assertEqual(MPI.Get_address(constant), constant)
if sys.implementation.name != 'pypy':
self.assertIsNone(memoryview(constant).obj)
with self.assertRaises(ValueError):
type(constant)(constant + 1)
self.assertEqual(repr(constant), name)
self.assertEqual(constant.__reduce__(), name)
for protocol in range(pickle.HIGHEST_PROTOCOL):
value = pickle.loads(pickle.dumps(constant, protocol))
self.assertIs(type(value), type(constant))
self.assertEqual(value, constant)
def testSizeOf(self):
for obj in self.objects:
n1 = MPI._sizeof(obj)
n2 = MPI._sizeof(type(obj))
self.assertEqual(n1, n2)
with self.assertRaises(TypeError):
MPI._sizeof(None)
def testAddressOf(self):
for obj in self.objects:
addr = MPI._addressof(obj)
self.assertNotEqual(addr, 0)
with self.assertRaises(TypeError):
MPI._addressof(None)
def testAHandleOf(self):
for obj in self.objects:
hdl = MPI._handleof(obj)
self.assertGreaterEqual(hdl, 0)
with self.assertRaises(TypeError):
MPI._handleof(None)
@unittest.skipUnless(sys.implementation.name == 'cpython', "cpython")
@unittest.skipUnless(hasattr(MPI, '__pyx_capi__'), "cython")
def testCAPI(self):
status = MPI.Status()
status.source = 0
status.tag = 1
status.error = MPI.ERR_OTHER
extra_objects = [
status,
MPI.INT,
MPI.SUM,
MPI.INFO_ENV,
MPI.MESSAGE_NO_PROC,
MPI.ERRORS_RETURN,
MPI.GROUP_EMPTY,
MPI.COMM_SELF,
]
pyapi = ctypes.pythonapi
PyCapsule_GetPointer = pyapi.PyCapsule_GetPointer
PyCapsule_GetPointer.restype = ctypes.c_void_p
PyCapsule_GetPointer.argtypes = [ctypes.py_object, ctypes.c_char_p]
pyx_capi = MPI.__pyx_capi__
for obj in self.objects + extra_objects:
cls = type(obj)
if issubclass(cls, MPI.Comm):
cls = MPI.Comm
typename = cls.__name__
modifier = ''
if isinstance(obj, MPI.Status):
mpi_type = ctypes.c_void_p
modifier = ' *'
elif MPI._sizeof(cls) == ctypes.sizeof(ctypes.c_uint32):
mpi_type = ctypes.c_uint32
elif MPI._sizeof(cls) == ctypes.sizeof(ctypes.c_uint64):
mpi_type = ctypes.c_uint64
new_functype = ctypes.PYFUNCTYPE(ctypes.py_object, mpi_type)
get_functype = ctypes.PYFUNCTYPE(ctypes.c_void_p, ctypes.py_object)
new_capsule = pyx_capi[f'PyMPI{typename}_New']
get_capsule = pyx_capi[f'PyMPI{typename}_Get']
new_signature = f'PyObject *(MPI_{typename}{modifier})'.encode()
get_signature = f'MPI_{typename} *(PyObject *)'.encode()
PyCapsule_GetPointer.restype = new_functype
pympi_new = PyCapsule_GetPointer(new_capsule, new_signature)
PyCapsule_GetPointer.restype = get_functype
pympi_get = PyCapsule_GetPointer(get_capsule, get_signature)
PyCapsule_GetPointer.restype = ctypes.c_void_p
objptr = pympi_get(obj)
if isinstance(obj, MPI.Status):
newarg = objptr
else:
newarg = mpi_type.from_address(objptr).value
self.assertEqual(objptr, MPI._addressof(obj))
self.assertEqual(newarg, MPI._handleof(obj))
newobj = pympi_new(newarg)
self.assertIs(type(newobj), type(obj))
self.assertEqual(newobj, obj)
if __name__ == '__main__':
unittest.main()
|
