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from mpi4py import MPI
import mpiunittest as unittest
class BaseTestGroup(object):
def testProperties(self):
group = self.GROUP
self.assertEqual(group.Get_size(), group.size)
self.assertEqual(group.Get_rank(), group.rank)
def testCompare(self):
results = (MPI.IDENT, MPI.SIMILAR, MPI.UNEQUAL)
group = MPI.COMM_WORLD.Get_group()
gcmp = MPI.Group.Compare(self.GROUP, group)
group.Free()
self.assertTrue(gcmp in results)
gcmp = MPI.Group.Compare(self.GROUP, self.GROUP)
self.assertEqual(gcmp, MPI.IDENT)
def testUnion(self):
group = MPI.Group.Union(MPI.GROUP_EMPTY, self.GROUP)
self.assertEqual(MPI.Group.Compare(group, self.GROUP), MPI.IDENT)
group.Free()
group = MPI.Group.Union(self.GROUP, MPI.GROUP_EMPTY)
self.assertEqual(MPI.Group.Compare(group, self.GROUP), MPI.IDENT)
group.Free()
group = MPI.Group.Union(self.GROUP, self.GROUP)
self.assertEqual(MPI.Group.Compare(group, self.GROUP), MPI.IDENT)
group.Free()
def testDifference(self):
group = MPI.Group.Difference(MPI.GROUP_EMPTY, self.GROUP)
self.assertEqual(MPI.Group.Compare(group, MPI.GROUP_EMPTY), MPI.IDENT)
group.Free()
group = MPI.Group.Difference(self.GROUP, MPI.GROUP_EMPTY)
self.assertEqual(MPI.Group.Compare(group, self.GROUP), MPI.IDENT)
group.Free()
group = MPI.Group.Difference(self.GROUP, self.GROUP)
self.assertEqual(MPI.Group.Compare(group, MPI.GROUP_EMPTY), MPI.IDENT)
group.Free()
def testIntersect(self):
group = MPI.Group.Intersect(MPI.GROUP_EMPTY, self.GROUP)
self.assertEqual(MPI.Group.Compare(group, MPI.GROUP_EMPTY), MPI.IDENT)
group.Free()
group = MPI.Group.Intersect(self.GROUP, MPI.GROUP_EMPTY)
self.assertEqual(MPI.Group.Compare(group, MPI.GROUP_EMPTY), MPI.IDENT)
group.Free()
group = MPI.Group.Intersect(self.GROUP, self.GROUP)
self.assertEqual(MPI.Group.Compare(group, self.GROUP), MPI.IDENT)
group.Free()
def testIncl(self):
group = self.GROUP.Incl([])
self.assertEqual(MPI.Group.Compare(group, MPI.GROUP_EMPTY), MPI.IDENT)
group.Free()
def testExcl(self):
group = self.GROUP.Excl([])
self.assertEqual(MPI.Group.Compare(group, self.GROUP), MPI.IDENT)
group.Free()
def testRangeIncl(self):
if self.GROUP == MPI.GROUP_EMPTY: return
group = self.GROUP.Range_incl([])
self.assertEqual(MPI.Group.Compare(group, MPI.GROUP_EMPTY), MPI.IDENT)
group.Free()
ranges = [ (0, self.GROUP.Get_size()-1, 1), ]
group = self.GROUP.Range_incl(ranges)
self.assertEqual(MPI.Group.Compare(group, self.GROUP), MPI.IDENT)
group.Free()
def testRangeExcl(self):
if self.GROUP == MPI.GROUP_EMPTY: return
group = self.GROUP.Range_excl([])
self.assertEqual(MPI.Group.Compare(group, self.GROUP), MPI.IDENT)
group.Free()
ranges = [ (0, self.GROUP.Get_size()-1, 1), ]
group = self.GROUP.Range_excl(ranges)
self.assertEqual(MPI.Group.Compare(group, MPI.GROUP_EMPTY), MPI.IDENT)
group.Free()
def testTranslRanks(self):
group1 = self.GROUP
group2 = self.GROUP
ranks1 = list(range(group1.Get_size())) * 3
ranks2 = MPI.Group.Translate_ranks(group1, ranks1)
ranks2 = MPI.Group.Translate_ranks(group1, ranks1, group2)
self.assertEqual(list(ranks1), list(ranks2))
def testTranslRanksProcNull(self):
if self.GROUP == MPI.GROUP_EMPTY: return
group1 = self.GROUP
group2 = self.GROUP
ranks1 = [MPI.PROC_NULL] * 10
ranks2 = MPI.Group.Translate_ranks(group1, ranks1, group2)
self.assertEqual(list(ranks1), list(ranks2))
def testTranslRanksGroupEmpty(self):
if self.GROUP == MPI.GROUP_EMPTY: return
group1 = self.GROUP
group2 = MPI.GROUP_EMPTY
ranks1 = list(range(group1.Get_size())) * 2
ranks2 = MPI.Group.Translate_ranks(group1, ranks1, group2)
for rank in ranks2:
self.assertEqual(rank, MPI.UNDEFINED)
class TestGroupNull(unittest.TestCase):
def testContructor(self):
group = MPI.Group()
self.assertFalse(group is MPI.GROUP_NULL)
self.assertEqual(group, MPI.GROUP_NULL)
def testNull(self):
GROUP_NULL = MPI.GROUP_NULL
group_null = MPI.Group()
self.assertFalse(GROUP_NULL)
self.assertFalse(group_null)
self.assertEqual(group_null, GROUP_NULL)
class TestGroupEmpty(BaseTestGroup, unittest.TestCase):
def setUp(self):
self.GROUP = MPI.GROUP_EMPTY
def testEmpty(self):
self.assertTrue(self.GROUP)
def testSize(self):
size = self.GROUP.Get_size()
self.assertEqual(size, 0)
def testRank(self):
rank = self.GROUP.Get_rank()
self.assertEqual(rank, MPI.UNDEFINED)
class TestGroupSelf(BaseTestGroup, unittest.TestCase):
def setUp(self):
self.GROUP = MPI.COMM_SELF.Get_group()
def tearDown(self):
self.GROUP.Free()
def testSize(self):
size = self.GROUP.Get_size()
self.assertEqual(size, 1)
def testRank(self):
rank = self.GROUP.Get_rank()
self.assertEqual(rank, 0)
class TestGroupWorld(BaseTestGroup, unittest.TestCase):
def setUp(self):
self.GROUP = MPI.COMM_WORLD.Get_group()
def tearDown(self):
self.GROUP.Free()
def testSize(self):
size = self.GROUP.Get_size()
self.assertTrue(size >= 1)
def testRank(self):
size = self.GROUP.Get_size()
rank = self.GROUP.Get_rank()
self.assertTrue(rank >= 0 and rank < size)
_name, _version = MPI.get_vendor()
if _name == 'MPICH1':
del BaseTestGroup.testTranslRanksProcNull
TestGroupEmpty.testTranslRanks = lambda self: None
if _name == 'LAM/MPI':
del BaseTestGroup.testTranslRanksProcNull
if __name__ == '__main__':
unittest.main()
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