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from mpi4py import MPI
import mpiunittest as unittest
class TestErrorCode(unittest.TestCase):
errorclasses = [item[1] for item in vars(MPI).items()
if item[0].startswith('ERR_')]
errorclasses.insert(0, MPI.SUCCESS)
while MPI.ERR_LASTCODE in errorclasses:
errorclasses.remove(MPI.ERR_LASTCODE)
def testGetErrorClass(self):
self.assertEqual(self.errorclasses[0], 0)
for ierr in self.errorclasses:
errcls = MPI.Get_error_class(ierr)
self.assertGreaterEqual(errcls, MPI.SUCCESS)
self.assertLessEqual(errcls, MPI.ERR_LASTCODE)
self.assertEqual(errcls, ierr)
def testGetErrorStrings(self):
for ierr in self.errorclasses:
errstr = MPI.Get_error_string(ierr)
self.assertGreater(len(errstr), 0)
def testException(self):
success = MPI.Exception(MPI.SUCCESS)
lasterr = MPI.Exception(MPI.ERR_LASTCODE)
for ierr in self.errorclasses:
errstr = MPI.Get_error_string(ierr)
errcls = MPI.Get_error_class(ierr)
errexc = MPI.Exception(ierr)
self.assertEqual(errexc.Get_error_code(), ierr)
self.assertEqual(errexc.Get_error_class(), errcls)
self.assertEqual(errexc.Get_error_string(), errstr)
self.assertEqual(errexc.error_code, ierr)
self.assertEqual(errexc.error_class, errcls)
self.assertEqual(errexc.error_string, errstr)
self.assertEqual(repr(errexc), f"MPI.Exception({ierr})")
self.assertEqual(str(errexc), errstr)
self.assertEqual(int(errexc), ierr)
self.assertEqual(hash(errexc), hash(errexc.error_code))
self.assertTrue(bool(errexc == ierr))
self.assertTrue(bool(errexc == errexc))
self.assertFalse(bool(errexc != ierr))
self.assertFalse(bool(errexc != errexc))
self.assertTrue(bool(success <= ierr <= lasterr))
self.assertTrue(bool(success <= errexc <= lasterr))
self.assertTrue(bool(errexc >= ierr))
self.assertTrue(bool(errexc >= success))
self.assertTrue(bool(lasterr >= ierr))
self.assertTrue(bool(lasterr >= errexc))
if errexc == success:
self.assertFalse(errexc)
else:
self.assertTrue(errexc)
self.assertTrue(bool(errexc > success))
self.assertTrue(bool(success < errexc))
exc = MPI.Exception(MPI.SUCCESS-1)
self.assertEqual(exc, MPI.ERR_UNKNOWN)
exc = MPI.Exception(MPI.ERR_LASTCODE+1)
self.assertEqual(exc, MPI.ERR_LASTCODE+1)
@unittest.skipMPI('openmpi(<1.10.0)')
def testAddErrorClass(self):
try:
errclass = MPI.Add_error_class()
except NotImplementedError:
self.skipTest('mpi-add_error_class')
self.assertGreaterEqual(errclass, MPI.ERR_LASTCODE)
try:
MPI.Remove_error_class(errclass)
except NotImplementedError:
pass
@unittest.skipMPI('openmpi(<1.10.0)')
def testAddErrorCode(self):
try:
errcode = MPI.Add_error_code(MPI.ERR_OTHER)
except NotImplementedError:
self.skipTest('mpi-add_error_code')
try:
MPI.Remove_error_code(errcode)
except NotImplementedError:
pass
@unittest.skipMPI('openmpi(<1.10.0)')
def testAddErrorClassCodeString(self):
LASTUSED = MPI.COMM_WORLD.Get_attr(MPI.LASTUSEDCODE)
try:
errclass = MPI.Add_error_class()
except NotImplementedError:
self.skipTest('mpi-add_error_class')
lastused = MPI.COMM_WORLD.Get_attr(MPI.LASTUSEDCODE)
self.assertEqual(errclass, lastused)
errstr = MPI.Get_error_string(errclass)
self.assertEqual(errstr, "")
MPI.Add_error_string(errclass, "error class")
self.assertEqual(MPI.Get_error_string(errclass), "error class")
errcode1 = MPI.Add_error_code(errclass)
errstr = MPI.Get_error_string(errcode1)
self.assertEqual(errstr, "")
MPI.Add_error_string(errcode1, "error code 1")
self.assertEqual(MPI.Get_error_class(errcode1), errclass)
self.assertEqual(MPI.Get_error_string(errcode1), "error code 1")
errcode2 = MPI.Add_error_code(errclass)
errstr = MPI.Get_error_string(errcode2)
self.assertEqual(errstr, "")
MPI.Add_error_string(errcode2, "error code 2")
self.assertEqual(MPI.Get_error_class(errcode2), errclass)
self.assertEqual(MPI.Get_error_string(errcode2), "error code 2")
#
with self.catchNotImplementedError(4, 1):
with self.assertRaises(MPI.Exception):
MPI.Remove_error_class(errclass)
with self.assertRaises(MPI.Exception):
MPI.Remove_error_code(errcode2)
MPI.Remove_error_string(errcode2)
self.assertEqual(MPI.Get_error_string(errcode2), "")
MPI.Remove_error_code(errcode2)
with self.assertRaises(MPI.Exception):
MPI.Remove_error_code(errcode2)
#
with self.assertRaises(MPI.Exception):
MPI.Remove_error_class(errclass)
with self.assertRaises(MPI.Exception):
MPI.Remove_error_code(errcode1)
MPI.Remove_error_string(errcode1)
self.assertEqual(MPI.Get_error_string(errcode1), "")
MPI.Remove_error_code(errcode1)
with self.assertRaises(MPI.Exception):
MPI.Remove_error_code(errcode1)
#
with self.assertRaises(MPI.Exception):
MPI.Remove_error_class(errclass)
MPI.Remove_error_string(errclass)
self.assertEqual(MPI.Get_error_string(errclass), "")
MPI.Remove_error_class(errclass)
with self.assertRaises(MPI.Exception):
MPI.Remove_error_class(errclass)
#
try:
MPI.Remove_error_class(0)
self.fail("expected Exception")
except (MPI.Exception, NotImplementedError):
pass
try:
MPI.Remove_error_code(0)
self.fail("expected Exception")
except (MPI.Exception, NotImplementedError):
pass
try:
MPI.Remove_error_string(0)
self.fail("expected Exception")
except (MPI.Exception, NotImplementedError):
pass
if __name__ == '__main__':
unittest.main()
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