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from petsc4py import PETSc
import unittest
import random
# --------------------------------------------------------------------
class BaseTestIS:
TYPE = None
def tearDown(self):
self.iset = None
PETSc.garbage_cleanup()
def testGetType(self):
istype = self.iset.getType()
self.assertEqual(istype, self.TYPE)
def testGetSize(self):
lsize = self.iset.getLocalSize()
gsize = self.iset.getSize()
self.assertTrue(lsize <= gsize)
def testDuplicate(self):
iset = self.iset.duplicate()
self.assertTrue(self.iset.equal(iset))
del iset
def testCopy(self):
iset = self.iset.copy()
self.assertTrue(self.iset.equal(iset))
del iset
def testEqual(self):
self.assertTrue(self.iset.equal(self.iset))
iset = self.iset.duplicate()
self.assertTrue(self.iset.equal(iset))
del iset
def testSort(self):
self.iset.sort()
self.assertTrue(self.iset.isSorted())
def testDifference(self):
iset = self.iset.difference(self.iset)
self.assertEqual(iset.getLocalSize(), 0)
del iset
def testComplement(self):
self.iset.sort()
nmin = self.iset.getIndices().min()
nmax = self.iset.getIndices().max()
iset = self.iset.complement(nmin, nmax + 1)
iset.complement(nmin, nmax + 1)
del iset
def testSum(self):
if self.iset.getComm().getSize() > 1:
return
self.iset.sort()
iset = self.iset.duplicate()
iset.sum(self.iset)
self.assertTrue(self.iset.equal(iset))
del iset
def testExpand(self):
iset = self.iset.expand(self.iset)
if self.iset.type == iset.type:
self.assertTrue(self.iset.equal(iset))
del iset
def testRenumber(self):
(n1, is1) = self.iset.renumber()
(n2, is2) = self.iset.renumber(self.iset)
del is1
del is2
def testProperties(self):
proplist = [
'sizes',
'size',
'local_size',
'indices',
'permutation',
'identity',
'sorted',
]
for prop in proplist:
self.assertTrue(hasattr(self.iset, prop))
def testArray(self):
import numpy
refs = self.iset.getRefCount()
arr1 = numpy.asarray(self.iset)
self.assertEqual(self.iset.getRefCount(), refs + 1)
arr2 = self.iset.array
self.assertEqual(self.iset.getRefCount(), refs + 2)
self.assertTrue((arr1 == arr2).all())
del arr2
self.assertEqual(self.iset.getRefCount(), refs + 1)
del arr1
self.assertEqual(self.iset.getRefCount(), refs)
# --------------------------------------------------------------------
class TestISGeneral(BaseTestIS, unittest.TestCase):
TYPE = PETSc.IS.Type.GENERAL
def setUp(self):
self.idx = list(range(10))
random.shuffle(self.idx)
self.iset = PETSc.IS().createGeneral(self.idx)
def testGetIndices(self):
idx = self.iset.getIndices()
self.assertEqual(self.idx, list(idx))
class TestISStride(BaseTestIS, unittest.TestCase):
TYPE = PETSc.IS.Type.STRIDE
def setUp(self):
self.info = (10, 7, 3)
size, start, step = self.info
self.iset = PETSc.IS().createStride(size, start, step)
def testGetIndices(self):
size, start, step = self.info
indices = [start + i * step for i in range(size)]
self.assertEqual(list(self.iset.getIndices()), indices)
def testToGeneral(self):
self.iset.toGeneral()
self.assertEqual(self.iset.getType(), PETSc.IS.Type.GENERAL)
class TestISBlock(BaseTestIS, unittest.TestCase):
TYPE = PETSc.IS.Type.BLOCK
def setUp(self):
self.bsize = 3
self.index = list(range(0, 10, 2))
random.shuffle(self.index)
self.iset = PETSc.IS().createBlock(self.bsize, self.index)
self.assertEqual(self.iset.getType(), PETSc.IS.Type.BLOCK)
def testGetSize(self):
lsize = self.iset.getLocalSize()
self.assertEqual(lsize / self.bsize, len(self.index))
def testGetBlockSize(self):
bs = self.iset.getBlockSize()
self.assertEqual(bs, self.bsize)
def testGetBlockIndices(self):
index = list(self.iset.getBlockIndices())
self.assertEqual(index, self.index)
def testGetIndices(self):
bs = self.bsize
idx = []
for i in self.iset.getBlockIndices():
for j in range(bs):
idx.append(i * bs + j)
index = list(self.iset.getIndices())
self.assertEqual(index, idx)
# --------------------------------------------------------------------
if __name__ == '__main__':
unittest.main()
|
