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from mpi4py import MPI
import mpiunittest as unittest
import sys
try:
import pickle as pyPickle
except ImportError:
pyPickle = None
try:
import dill
except ImportError:
dill = None
try:
import marshal
except ImportError:
marshal = None
try:
import json
except ImportError:
json = None
try:
import yaml
yaml.dump(None)
except ImportError:
yaml = None
OBJS = [
None,
True,
False,
7,
1<<32,
3.14,
1+2j,
'qwerty',
(0, 1, 2),
[0, 1, 2],
{'a':0, 'b':1},
]
def tobytes(s):
return memoryview(s).tobytes()
class TestPickle(unittest.TestCase):
def setUp(self):
self.pickle = MPI.pickle
def tearDown(self):
self.pickle.__init__()
def do_pickle(self, obj, pickle):
comm = MPI.COMM_SELF
o = comm.sendrecv(obj, 0, 0, None, 0, 0)
self.assertEqual(obj, o)
s = pickle.dumps(obj)
o = pickle.loads(s)
self.assertEqual(obj, o)
def testDefault(self):
pickle = self.pickle
protocols = [0, 1, 2, 3, 4]
if sys.version_info[:2] >= (3, 8):
protocols.append(5)
protocols.append(-1)
protocols.append(None)
for proto in protocols:
pickle.__init__(protocol=proto)
for obj in OBJS:
self.do_pickle(obj, pickle)
self.do_pickle(OBJS, pickle)
def testPyPickle(self):
pickle = self.pickle
dumps = pyPickle.dumps
loads = pyPickle.loads
protocols = [0, 1, 2, 3, 4]
if sys.version_info[:2] >= (3, 8):
protocols.append(5)
protocols.append(-1)
protocols.append(None)
for proto in protocols:
pickle.__init__(dumps, loads, proto)
for obj in OBJS:
self.do_pickle(obj, pickle)
self.do_pickle(OBJS, pickle)
@unittest.skipIf(dill is None, 'dill')
def testDill(self):
pickle = self.pickle
dumps = dill.dumps
loads = dill.loads
protocols = list(range(dill.HIGHEST_PROTOCOL+1))
protocols.append(-1)
protocols.append(None)
for proto in protocols:
pickle.__init__(dumps, loads, proto)
for obj in OBJS:
self.do_pickle(obj, pickle)
self.do_pickle(OBJS, pickle)
@unittest.skipIf(marshal is None, 'marshal')
def testMarshal(self):
pickle = self.pickle
dumps = marshal.dumps
loads = marshal.loads
protocols = [0, 1, 2, 3, 4]
protocols.append(None)
for protocol in protocols:
pickle.__init__(dumps, loads, protocol)
for obj in OBJS:
self.do_pickle(obj, pickle)
self.do_pickle(OBJS, pickle)
@unittest.skipIf(json is None, 'json')
def testJson(self):
pickle = self.pickle
dumps = lambda o: json.dumps(o).encode()
loads = lambda s: json.loads(tobytes(s).decode())
pickle.__init__(dumps, loads)
OBJS2 = [
o for o in OBJS
if not isinstance(o, (float, complex, tuple))
]
for obj in OBJS2:
self.do_pickle(obj, pickle)
self.do_pickle(OBJS2, pickle)
@unittest.skipIf(yaml is None, 'yaml')
def testYAML(self):
pickle = self.pickle
dumps = lambda o: yaml.dump(o).encode()
loads = lambda s: yaml.load(tobytes(s).decode(), Loader=yaml.Loader)
pickle.__init__(dumps, loads)
OBJS2 = [
o for o in OBJS
if not isinstance(o, (complex, tuple))
]
for obj in OBJS2:
self.do_pickle(obj, pickle)
self.do_pickle(OBJS2, pickle)
if __name__ == '__main__':
unittest.main()
|
