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import unittest
from petsc4py import PETSc
from sys import getrefcount
import numpy as np
# --------------------------------------------------------------------
class TestOptions(unittest.TestCase):
PREFIX = 'myopts-'
OPTLIST = [
('bool', True),
('int', -7),
('real', 5),
('scalar', 3),
('string', 'petsc4py'),
]
def _putopts(self, opts=None, OPTLIST=None):
if opts is None:
opts = self.opts
if OPTLIST is None:
OPTLIST = self.OPTLIST
for k, v in OPTLIST:
opts[k] = v
def _delopts(self, opts=None, OPTLIST=None):
if opts is None:
opts = self.opts
if OPTLIST is None:
OPTLIST = self.OPTLIST
for k, _ in OPTLIST:
del opts[k]
def setUp(self):
self.opts = PETSc.Options(self.PREFIX)
def tearDown(self):
self.opts = None
PETSc.garbage_cleanup()
def testHasOpts(self):
self._putopts()
for k, _ in self.OPTLIST:
self.assertTrue(self.opts.hasName(k))
self.assertTrue(k in self.opts)
missing = k + '-missing'
self.assertFalse(self.opts.hasName(missing))
self.assertFalse(missing in self.opts)
self._delopts()
def testGetOpts(self):
self._putopts()
for k, v in self.OPTLIST:
getopt = getattr(self.opts, 'get' + k.title())
self.assertEqual(getopt(k), v)
self._delopts()
def testGetAll(self):
self._putopts()
allopts = self.opts.getAll()
self.assertTrue(isinstance(allopts, dict))
optlist = [(k, str(v).lower()) for (k, v) in self.OPTLIST]
for k, v in allopts.items():
self.assertTrue((k, v) in optlist)
self._delopts()
def testGetAllQuoted(self):
dct = {
'o0': '"0 1 2"',
'o1': '"a b c"',
'o2': '"x y z"',
}
for k in dct:
self.opts[k] = dct[k]
allopts = self.opts.getAll()
for k in dct:
self.assertEqual(allopts[k], dct[k][1:-1])
del self.opts[k]
def testType(self):
types = [
(bool, bool, self.opts.getBool, self.opts.getBoolArray),
(int, PETSc.IntType, self.opts.getInt, self.opts.getIntArray),
(float, PETSc.RealType, self.opts.getReal, self.opts.getRealArray),
]
if PETSc.ScalarType is PETSc.ComplexType:
types.append(
(
complex,
PETSc.ScalarType,
self.opts.getScalar,
self.opts.getScalarArray,
)
)
else:
types.append(
(
float,
PETSc.ScalarType,
self.opts.getScalar,
self.opts.getScalarArray,
)
)
toval = (lambda x: x, lambda x: np.array(x).tolist(), lambda x: np.array(x))
sv = 1
av = (1, 0, 1)
defv = 0
defarrayv = (0, 0, 1, 0)
for pyt, pat, pget, pgetarray in types:
for tov in toval:
self.opts.setValue('sv', tov(sv))
self.opts.setValue('av', tov(av))
v = pget('sv')
self.assertTrue(isinstance(v, pyt))
self.assertEqual(v, pyt(sv))
v = pget('sv', defv)
self.assertTrue(isinstance(v, pyt))
self.assertEqual(v, pyt(sv))
v = pget('missing', defv)
self.assertTrue(isinstance(v, pyt))
self.assertEqual(v, pyt(defv))
if pgetarray is not None:
arrayv = pgetarray('av')
self.assertEqual(arrayv.dtype, pat)
self.assertEqual(len(arrayv), len(av))
for v1, v2 in zip(arrayv, av):
self.assertTrue(isinstance(v1.item(), pyt))
self.assertEqual(v1.item(), pyt(v2))
arrayv = pgetarray('av', defarrayv)
self.assertEqual(arrayv.dtype, pat)
self.assertEqual(len(arrayv), len(av))
for v1, v2 in zip(arrayv, av):
self.assertTrue(isinstance(v1.item(), pyt))
self.assertEqual(v1.item(), pyt(v2))
arrayv = pgetarray('missing', defarrayv)
self.assertEqual(arrayv.dtype, pat)
self.assertEqual(len(arrayv), len(defarrayv))
for v1, v2 in zip(arrayv, defarrayv):
self.assertTrue(isinstance(v1.item(), pyt))
self.assertEqual(v1.item(), pyt(v2))
self.opts.delValue('sv')
self.opts.delValue('av')
def testMonitor(self):
optlist = []
mon = lambda n, v: optlist.append((n, v))
self.opts.setMonitor(mon)
self.assertEqual(getrefcount(mon) - 1, 2)
self._putopts()
target = [(self.PREFIX + k, str(v).lower()) for k, v in self.OPTLIST]
self.assertEqual(optlist, target)
self.opts.cancelMonitor()
self.assertEqual(getrefcount(mon) - 1, 1)
self._delopts()
# --------------------------------------------------------------------
del TestOptions.testMonitor # XXX
if __name__ == '__main__':
unittest.main()
|
