def test_sharedarray():
sa = SharedArray(shape=(10), dtype='int32')
np_a = sa.to_numpy()
np_a[:] = np.arange(10)
sa2 = SharedArray(**sa.to_dict())
np_a2 = sa.to_numpy()
assert np_a is not np_a2
assert np.all(np_a == np_a2)
def test_sharedarray_multiprocess():
sa = SharedArray(shape=(10), dtype='int32')
np_a = sa.to_numpy()
np_a[:] = np.arange(10)
# Start remote process, read data from shared array, then return to host
# process.
proc = mp.Process()
sa_mod = proc._import('pyacq.core.sharedarray')
sa2 = sa_mod.SharedArray(**sa.to_dict())
np_a2 = sa2.to_numpy(_returnType='value')
proc.close()
assert np.all(np_a == np_a2)
