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Use SerializableLock in hdf5 test #662

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Merged
mrocklin merged 1 commit into from
Nov 14, 2016
Merged

Use SerializableLock in hdf5 test #662

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5 changes: 3 additions & 2 deletions distributed/protocol/tests/test_h5py.py
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Original file line number Diff line number Diff line change
Expand Up @@ -67,15 +67,16 @@ def test_raise_error_on_serialize_write_permissions():

@gen_cluster(client=True)
def test_h5py_serialize(c, s, a, b):
from dask.utils import SerializableLock
lock = SerializableLock('hdf5')
with tmpfile() as fn:
with h5py.File(fn, mode='a') as f:
x = f.create_dataset('/group/x', shape=(4,), dtype='i4',
chunks=(2,))
x[:] = [1, 2, 3, 4]
f.flush()
with h5py.File(fn, mode='r') as f:
dset = f['/group/x']
x = da.from_array(dset, chunks=dset.chunks)
x = da.from_array(dset, chunks=dset.chunks, lock=lock)
y = c.compute(x)
y = yield y._result()
assert (y[:] == dset[:]).all()