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from mpi4py import MPI
import mpiunittest as unittest
try:
import array
except ImportError:
array = None
class BaseTestAttr:
keyval = MPI.KEYVAL_INVALID
def tearDown(self):
if self.obj:
self.obj.Free()
if self.keyval != MPI.KEYVAL_INVALID:
self.keyval = type(self.obj).Free_keyval(self.keyval)
self.assertEqual(self.keyval, MPI.KEYVAL_INVALID)
def testAttr(self, copy_fn=None, delete_fn=None):
cls, obj = type(self.obj), self.obj
self.keyval = cls.Create_keyval(copy_fn, delete_fn)
self.assertNotEqual(self.keyval, MPI.KEYVAL_INVALID)
attr = obj.Get_attr(self.keyval)
self.assertIsNone(attr)
attrval = [1,2,3]
obj.Set_attr(self.keyval, attrval)
attr = obj.Get_attr(self.keyval)
self.assertIs(attr, attrval)
if hasattr(obj, 'Dup'):
dup = obj.Dup()
attr = dup.Get_attr(self.keyval)
if copy_fn is True:
self.assertIs(attr, attrval)
elif not copy_fn:
self.assertIsNone(attr)
dup.Free()
obj.Delete_attr(self.keyval)
attr = obj.Get_attr(self.keyval)
self.assertIsNone(attr)
def testAttrCopyFalse(self):
self.testAttr(False)
def testAttrCopyTrue(self):
self.testAttr(True)
def testAttrNoCopy(self):
cls, obj = type(self.obj), self.obj
def copy_fn(o, k, v):
assert k == self.keyval
assert v is attrval
return NotImplemented
self.keyval = cls.Create_keyval(copy_fn, None)
self.assertNotEqual(self.keyval, MPI.KEYVAL_INVALID)
attr = obj.Get_attr(self.keyval)
self.assertIsNone(attr)
attrval = [1,2,3]
obj.Set_attr(self.keyval, attrval)
attr = obj.Get_attr(self.keyval)
self.assertIs(attr, attrval)
if hasattr(obj, 'Dup'):
dup = obj.Dup()
attr = dup.Get_attr(self.keyval)
self.assertIsNone(attr)
dup.Free()
obj.Delete_attr(self.keyval)
attr = obj.Get_attr(self.keyval)
self.assertIsNone(attr)
def testAttrNoPython(self, intval=123456789):
cls, obj = type(self.obj), self.obj
def copy_fn(o, k, v):
assert k == self.keyval
assert v == intval
return v
def del_fn(o, k, v):
assert k == self.keyval
assert v == intval
self.keyval = cls.Create_keyval(copy_fn, del_fn, nopython=True)
self.assertNotEqual(self.keyval, MPI.KEYVAL_INVALID)
attr = obj.Get_attr(self.keyval)
self.assertIsNone(attr)
obj.Set_attr(self.keyval, intval)
attr = obj.Get_attr(self.keyval)
self.assertEqual(attr, intval)
if hasattr(obj, 'Dup'):
dup = obj.Dup()
attr = dup.Get_attr(self.keyval)
self.assertEqual(attr, intval)
dup.Free()
obj.Delete_attr(self.keyval)
attr = obj.Get_attr(self.keyval)
self.assertIsNone(attr)
@unittest.skipMPI('openmpi(<=1.10.2)')
def testAttrNoPythonZero(self):
self.testAttrNoPython(0)
@unittest.skipIf(array is None, 'array')
def testAttrNoPythonArray(self):
cls, obj = type(self.obj), self.obj
self.keyval = cls.Create_keyval(nopython=True)
#
ary = array.array('i', [42])
addr, _ = ary.buffer_info()
obj.Set_attr(self.keyval, addr)
#
attr = obj.Get_attr(self.keyval)
self.assertEqual(attr, addr)
@unittest.skipMPI('impi(<2021.14.0)')
@unittest.skipMPI('mvapich')
@unittest.skipMPI('mpich(<4.2.1)')
@unittest.skipMPI('openmpi(<5.0.0)')
def testAttrCopyException(self):
cls, obj = type(self.obj), self.obj
if not isinstance(obj, MPI.Datatype): return
if not hasattr(cls, 'Dup'): return
def copy_fn(o, k, v):
raise ValueError
self.keyval = cls.Create_keyval(copy_fn, None)
try:
obj.Set_attr(self.keyval, "value")
with self.assertRaises(MPI.Exception) as exc_cm:
with unittest.capture_stderr() as stderr:
obj.Dup().Free()
ierr = exc_cm.exception.Get_error_class()
self.assertEqual(ierr, MPI.ERR_OTHER)
self.assertIn('ValueError', stderr.getvalue())
finally:
obj.Delete_attr(self.keyval)
self.keyval = cls.Free_keyval(self.keyval)
@unittest.skipMPI('impi(<2021.14.0)')
@unittest.skipMPI('mvapich')
@unittest.skipMPI('mpich(<4.2.1)')
def testAttrDeleteException(self):
cls, obj = type(self.obj), self.obj
raise_flag = True
def delete_fn(o, k, v):
raise ValueError
self.keyval = cls.Create_keyval(None, delete_fn)
obj.Set_attr(self.keyval, "value")
try:
with self.assertRaises(MPI.Exception) as exc_cm:
with unittest.capture_stderr() as stderr:
obj.Delete_attr(self.keyval)
ierr = exc_cm.exception.Get_error_class()
self.assertEqual(ierr, MPI.ERR_OTHER)
self.assertIn('ValueError', stderr.getvalue())
finally:
self.keyval = cls.Free_keyval(self.keyval)
class BaseTestCommAttr(BaseTestAttr):
NULL = MPI.COMM_NULL
@unittest.skipMPI('openmpi(<=1.5.1)')
def testAttrCopyDelete(self):
cls, obj, null = type(self.obj), self.obj, self.NULL
#
self.keyval = cls.Create_keyval(
copy_fn=lambda o, k, v: cls.Dup(v),
delete_fn=lambda o, k, v: cls.Free(v))
self.assertNotEqual(self.keyval, MPI.KEYVAL_INVALID)
#
obj1 = obj
dup1 = obj1.Dup()
obj1.Set_attr(self.keyval, dup1)
self.assertNotEqual(dup1, null)
obj2 = obj1.Dup()
dup2 = obj2.Get_attr(self.keyval)
self.assertNotEqual(dup1, dup2)
obj2.Free()
self.assertEqual(dup2, null)
self.obj.Delete_attr(self.keyval)
self.assertEqual(dup1, null)
class TestCommAttrWorld(BaseTestCommAttr, unittest.TestCase):
def setUp(self):
self.obj = MPI.COMM_WORLD.Dup()
class TestCommAttrSelf(BaseTestCommAttr, unittest.TestCase):
def setUp(self):
self.obj = MPI.COMM_SELF.Dup()
class BaseTestDatatypeAttr(BaseTestAttr):
NULL = MPI.DATATYPE_NULL
def testAttrCopyDelete(self):
cls, obj, null = type(self.obj), self.obj, self.NULL
#
self.keyval = cls.Create_keyval(
copy_fn=lambda o, k, v: cls.Dup(v),
delete_fn=lambda o, k, v: cls.Free(v))
self.assertNotEqual(self.keyval, MPI.KEYVAL_INVALID)
#
obj1 = obj
dup1 = obj1.Dup()
obj1.Set_attr(self.keyval, dup1)
self.assertNotEqual(dup1, null)
obj2 = obj1.Dup()
dup2 = obj2.Get_attr(self.keyval)
self.assertNotEqual(dup1, dup2)
obj2.Free()
self.assertEqual(dup2, null)
self.obj.Delete_attr(self.keyval)
self.assertEqual(dup1, null)
class TestDatatypeAttrBYTE(BaseTestDatatypeAttr, unittest.TestCase):
def setUp(self):
self.obj = MPI.BYTE.Dup()
class TestDatatypeAttrINT(BaseTestDatatypeAttr, unittest.TestCase):
def setUp(self):
self.obj = MPI.INT.Dup()
class TestDatatypeAttrFLOAT(BaseTestDatatypeAttr, unittest.TestCase):
def setUp(self):
self.obj = MPI.FLOAT.Dup()
class TestWinAttr(BaseTestAttr, unittest.TestCase):
NULL = MPI.WIN_NULL
def setUp(self):
win = MPI.Win.Create(MPI.BOTTOM, 1,
MPI.INFO_NULL, MPI.COMM_SELF)
self.obj = self.win = win
@unittest.skipMPI('openmpi(<=1.5.1)')
def testAttrCopyDelete(self):
#
null = self.NULL
def delete_fn(o, k, v):
assert isinstance(o, MPI.Win)
assert k == self.keyval
assert v is win
MPI.Win.Free(v)
self.keyval = MPI.Win.Create_keyval(delete_fn=delete_fn)
self.assertNotEqual(self.keyval, MPI.KEYVAL_INVALID)
#
win = MPI.Win.Create(MPI.BOTTOM, 1, MPI.INFO_NULL, MPI.COMM_SELF)
self.obj.Set_attr(self.keyval, win)
self.assertNotEqual(win, null)
self.obj.Delete_attr(self.keyval)
self.assertEqual(win, null)
try:
k = MPI.Datatype.Create_keyval()
k = MPI.Datatype.Free_keyval(k)
except NotImplementedError:
unittest.disable(BaseTestDatatypeAttr, 'mpi-type-attr')
try:
MPI.Win.Create(MPI.BOTTOM, 1, MPI.INFO_NULL, MPI.COMM_SELF).Free()
k = MPI.Win.Create_keyval()
k = MPI.Win.Free_keyval(k)
except (NotImplementedError, MPI.Exception):
unittest.disable(TestWinAttr, 'mpi-win-attr')
if __name__ == '__main__':
unittest.main()
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