# 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()) 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()) 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()) @ut.skipIf(version.hdf5_version_tuple < (1, 14, 0), 'Requires HDF5 1.14 or later') def test_libver_v114(self): """ Test libver bounds set/get for H5F_LIBVER_V114""" plist = h5p.create(h5p.FILE_ACCESS) plist.set_libver_bounds(h5f.LIBVER_V18, h5f.LIBVER_V114) self.assertEqual((h5f.LIBVER_V18, h5f.LIBVER_V114), plist.get_libver_bounds()) @ut.skipIf(version.hdf5_version_tuple < (2, 0, 0), 'Requires HDF5 2.0 or later') def test_libver_v200(self): """ Test libver bounds set/get for H5F_LIBVER_V200""" plist = h5p.create(h5p.FILE_ACCESS) plist.set_libver_bounds(h5f.LIBVER_V18, h5f.LIBVER_V200) self.assertEqual((h5f.LIBVER_V18, h5f.LIBVER_V200), 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()) def test_efile_prefix(self): '''test get/set efile prefix ''' dalist = h5p.create(h5p.DATASET_ACCESS) self.assertEqual(dalist.get_efile_prefix().decode(), '') efile_prefix = "path/to/external/dataset" dalist.set_efile_prefix(efile_prefix.encode('utf-8')) self.assertEqual(dalist.get_efile_prefix().decode(), efile_prefix) efile_prefix = "${ORIGIN}" dalist.set_efile_prefix(efile_prefix.encode('utf-8')) self.assertEqual(dalist.get_efile_prefix().decode(), efile_prefix) def test_virtual_prefix(self): '''test get/set virtual prefix ''' dalist = h5p.create(h5p.DATASET_ACCESS) self.assertEqual(dalist.get_virtual_prefix().decode(), '') virtual_prefix = "path/to/virtual/dataset" dalist.set_virtual_prefix(virtual_prefix.encode('utf-8')) self.assertEqual(dalist.get_virtual_prefix().decode(), virtual_prefix) 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()) 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()) def test_proplaid(): """Test Link Access Property List""" lapl = h5p.create(h5p.LINK_ACCESS) nlinks = 3 lapl.set_nlinks(nlinks) assert lapl.get_nlinks() == nlinks prefix = b"/prefix" lapl.set_elink_prefix(prefix) assert lapl.get_elink_prefix() == prefix flags = h5f.ACC_RDWR & h5f.ACC_SWMR_WRITE lapl.set_elink_acc_flags(flags) assert lapl.get_elink_acc_flags() == flags fapl = h5p.create(h5p.FILE_ACCESS) fapl.set_file_locking(False, False) lapl.set_elink_fapl(fapl) assert lapl.get_elink_fapl().get_file_locking() == (False, False) fapl.close() lapl.close()