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# This file is part of h5py, a Python interface to the HDF5 library.
#
# http://www.h5py.org
#
# Copyright 2008-2013 Andrew Collette and contributors
#
# License: Standard 3-clause BSD; see "license.txt" for full license terms
# and contributor agreement.
import unittest as ut
from h5py import h5p, h5f, version
from .common import TestCase
class TestLibver(TestCase):
"""
Feature: Setting/getting lib ver bounds
"""
def test_libver(self):
""" Test libver bounds set/get """
plist = h5p.create(h5p.FILE_ACCESS)
plist.set_libver_bounds(h5f.LIBVER_EARLIEST, h5f.LIBVER_LATEST)
self.assertEqual((h5f.LIBVER_EARLIEST, h5f.LIBVER_LATEST),
plist.get_libver_bounds())
@ut.skipIf(version.hdf5_version_tuple < (1, 10, 2),
'Requires HDF5 1.10.2 or later')
def test_libver_v18(self):
""" Test libver bounds set/get for H5F_LIBVER_V18"""
plist = h5p.create(h5p.FILE_ACCESS)
plist.set_libver_bounds(h5f.LIBVER_EARLIEST, h5f.LIBVER_V18)
self.assertEqual((h5f.LIBVER_EARLIEST, h5f.LIBVER_V18),
plist.get_libver_bounds())
@ut.skipIf(version.hdf5_version_tuple < (1, 10, 2),
'Requires HDF5 1.10.2 or later')
def test_libver_v110(self):
""" Test libver bounds set/get for H5F_LIBVER_V110"""
plist = h5p.create(h5p.FILE_ACCESS)
plist.set_libver_bounds(h5f.LIBVER_V18, h5f.LIBVER_V110)
self.assertEqual((h5f.LIBVER_V18, h5f.LIBVER_V110),
plist.get_libver_bounds())
@ut.skipIf(version.hdf5_version_tuple < (1, 11, 4),
'Requires HDF5 1.11.4 or later')
def test_libver_v112(self):
""" Test libver bounds set/get for H5F_LIBVER_V112"""
plist = h5p.create(h5p.FILE_ACCESS)
plist.set_libver_bounds(h5f.LIBVER_V18, h5f.LIBVER_V112)
self.assertEqual((h5f.LIBVER_V18, h5f.LIBVER_V112),
plist.get_libver_bounds())
class TestDA(TestCase):
'''
Feature: setting/getting chunk cache size on a dataset access property list
'''
def test_chunk_cache(self):
'''test get/set chunk cache '''
dalist = h5p.create(h5p.DATASET_ACCESS)
nslots = 10000 # 40kb hash table
nbytes = 1000000 # 1MB cache size
w0 = .5 # even blend of eviction strategy
dalist.set_chunk_cache(nslots, nbytes, w0)
self.assertEqual((nslots, nbytes, w0),
dalist.get_chunk_cache())
class TestFA(TestCase):
'''
Feature: setting/getting mdc config on a file access property list
'''
def test_mdc_config(self):
'''test get/set mdc config '''
falist = h5p.create(h5p.FILE_ACCESS)
config = falist.get_mdc_config()
falist.set_mdc_config(config)
def test_set_alignment(self):
'''test get/set chunk cache '''
falist = h5p.create(h5p.FILE_ACCESS)
threshold = 10 * 1024 # threshold of 10kiB
alignment = 1024 * 1024 # threshold of 1kiB
falist.set_alignment(threshold, alignment)
self.assertEqual((threshold, alignment),
falist.get_alignment())
@ut.skipUnless(
version.hdf5_version_tuple >= (1, 12, 1) or
(version.hdf5_version_tuple[:2] == (1, 10) and version.hdf5_version_tuple[2] >= 7),
'Requires HDF5 1.12.1 or later or 1.10.x >= 1.10.7')
def test_set_file_locking(self):
'''test get/set file locking'''
falist = h5p.create(h5p.FILE_ACCESS)
use_file_locking = False
ignore_when_disabled = False
falist.set_file_locking(use_file_locking, ignore_when_disabled)
self.assertEqual((use_file_locking, ignore_when_disabled),
falist.get_file_locking())
class TestPL(TestCase):
def test_obj_track_times(self):
"""
tests if the object track times set/get
"""
# test for groups
gcid = h5p.create(h5p.GROUP_CREATE)
gcid.set_obj_track_times(False)
self.assertEqual(False, gcid.get_obj_track_times())
gcid.set_obj_track_times(True)
self.assertEqual(True, gcid.get_obj_track_times())
# test for datasets
dcid = h5p.create(h5p.DATASET_CREATE)
dcid.set_obj_track_times(False)
self.assertEqual(False, dcid.get_obj_track_times())
dcid.set_obj_track_times(True)
self.assertEqual(True, dcid.get_obj_track_times())
# test for generic objects
ocid = h5p.create(h5p.OBJECT_CREATE)
ocid.set_obj_track_times(False)
self.assertEqual(False, ocid.get_obj_track_times())
ocid.set_obj_track_times(True)
self.assertEqual(True, ocid.get_obj_track_times())
def test_link_creation_tracking(self):
"""
tests the link creation order set/get
"""
gcid = h5p.create(h5p.GROUP_CREATE)
gcid.set_link_creation_order(0)
self.assertEqual(0, gcid.get_link_creation_order())
flags = h5p.CRT_ORDER_TRACKED | h5p.CRT_ORDER_INDEXED
gcid.set_link_creation_order(flags)
self.assertEqual(flags, gcid.get_link_creation_order())
# test for file creation
fcpl = h5p.create(h5p.FILE_CREATE)
fcpl.set_link_creation_order(flags)
self.assertEqual(flags, fcpl.get_link_creation_order())
def test_attr_phase_change(self):
"""
test the attribute phase change
"""
cid = h5p.create(h5p.OBJECT_CREATE)
# test default value
ret = cid.get_attr_phase_change()
self.assertEqual((8,6), ret)
# max_compact must < 65536 (64kb)
with self.assertRaises(ValueError):
cid.set_attr_phase_change(65536, 6)
# Using dense attributes storage to avoid 64kb size limitation
# for a single attribute in compact attribute storage.
cid.set_attr_phase_change(0, 0)
self.assertEqual((0,0), cid.get_attr_phase_change())
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