/usr/lib/python2.7/dist-packages/tables/tests/test_basics.py is in python-tables 3.2.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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from __future__ import print_function
import os
import sys
import Queue
import shutil
import platform
import tempfile
import warnings
import threading
import subprocess
try:
import multiprocessing as mp
multiprocessing_imported = True
except ImportError:
multiprocessing_imported = False
import numpy
import tables
import tables.flavor
from tables import (
Description, IsDescription, Float64Atom, Col, IntCol, Int16Col, Int32Col,
FloatCol, Float64Col,
ClosedFileError, FileModeError, FlavorError, FlavorWarning,
NaturalNameWarning, ClosedNodeError, NodeError, NoSuchNodeError,
UnImplemented,
)
from tables.flavor import all_flavors, array_of_flavor
from tables.parameters import NODE_CACHE_SLOTS
from tables.description import descr_from_dtype, dtype_from_descr
from tables.tests import common
from tables.tests.common import unittest
from tables.tests.common import PyTablesTestCase as TestCase
class OpenFileFailureTestCase(TestCase):
def setUp(self):
super(OpenFileFailureTestCase, self).setUp()
import tables.file
self.N = len(tables.file._open_files)
self.open_files = tables.file._open_files
def test01_open_file(self):
"""Checking opening of a non existing file."""
h5fname = tempfile.mktemp(".h5")
with self.assertRaises(IOError):
h5file = tables.open_file(h5fname)
h5file.close()
self.assertEqual(self.N, len(self.open_files))
def test02_open_file(self):
"""Checking opening of an existing non HDF5 file."""
# create a dummy file
h5fname = tempfile.mktemp(".h5")
open(h5fname, 'wb').close()
# Try to open the dummy file
try:
with self.assertRaises(tables.HDF5ExtError):
h5file = tables.open_file(h5fname)
h5file.close()
self.assertEqual(self.N, len(self.open_files))
finally:
os.remove(h5fname)
def test03_open_file(self):
"""Checking opening of an existing file with invalid mode."""
# See gh-318
# create a dummy file
h5fname = tempfile.mktemp(".h5")
h5file = tables.open_file(h5fname, "w")
h5file.close()
try:
# Try to open the dummy file
self.assertRaises(ValueError, tables.open_file, h5fname, "ab")
finally:
os.remove(h5fname)
class OpenFileTestCase(common.TempFileMixin, TestCase):
def setUp(self):
super(OpenFileTestCase, self).setUp()
self.populateFile()
def populateFile(self):
root = self.h5file.root
# Create an array
self.h5file.create_array(root, 'array', [1, 2], title="Array example")
self.h5file.create_table(root, 'table', {'var1': IntCol()},
"Table example")
root._v_attrs.testattr = 41
# Create another array object
self.h5file.create_array(root, 'anarray', [1], "Array title")
self.h5file.create_table(root, 'atable', {'var1': IntCol()},
"Table title")
# Create a group object
group = self.h5file.create_group(root, 'agroup', "Group title")
group._v_attrs.testattr = 42
# Create a some objects there
array1 = self.h5file.create_array(group, 'anarray1',
[1, 2, 3, 4, 5, 6, 7],
"Array title 1")
array1.attrs.testattr = 42
self.h5file.create_array(group, 'anarray2', [2], "Array title 2")
self.h5file.create_table(group, 'atable1', {
'var1': IntCol()}, "Table title 1")
ra = numpy.rec.array([(1, 11, 'a')], formats='u1,f4,a1')
self.h5file.create_table(group, 'atable2', ra, "Table title 2")
# Create a lonely group in first level
self.h5file.create_group(root, 'agroup2', "Group title 2")
# Create a new group in the second level
group3 = self.h5file.create_group(group, 'agroup3', "Group title 3")
# Create a new group in the third level
self.h5file.create_group(group3, 'agroup4', "Group title 4")
# Create an array in the root with the same name as one in 'agroup'
self.h5file.create_array(root, 'anarray1', [1, 2],
title="Array example")
def test00_newFile(self):
"""Checking creation of a new file."""
self.h5file.create_array(self.h5file.root, 'array_new', [1, 2],
title="Array example")
# Get the CLASS attribute of the arr object
class_ = self.h5file.root.array.attrs.CLASS
self.assertEqual(class_.capitalize(), "Array")
def test00_newFile_unicode_filename(self):
temp_dir = tempfile.mkdtemp()
try:
h5fname = unicode(os.path.join(temp_dir, 'test.h5'))
with tables.open_file(h5fname, 'w') as h5file:
self.assertTrue(h5file, tables.File)
finally:
shutil.rmtree(temp_dir)
def test00_newFile_numpy_str_filename(self):
temp_dir = tempfile.mkdtemp()
try:
h5fname = numpy.str_(os.path.join(temp_dir, 'test.h5'))
with tables.open_file(h5fname, 'w') as h5file:
self.assertTrue(h5file, tables.File)
finally:
shutil.rmtree(temp_dir)
def test00_newFile_numpy_unicode_filename(self):
temp_dir = tempfile.mkdtemp()
try:
h5fname = numpy.unicode_(os.path.join(temp_dir, 'test.h5'))
with tables.open_file(h5fname, 'w') as h5file:
self.assertTrue(h5file, tables.File)
finally:
shutil.rmtree(temp_dir)
def test01_openFile(self):
"""Checking opening of an existing file."""
# Open the old HDF5 file
self._reopen(node_cache_slots=self.node_cache_slots)
# Get the CLASS attribute of the arr object
title = self.h5file.root.array.get_attr("TITLE")
self.assertEqual(title, "Array example")
def test02_appendFile(self):
"""Checking appending objects to an existing file."""
# Append a new array to the existing file
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
self.h5file.create_array(self.h5file.root, 'array2', [3, 4],
title="Title example 2")
# Open this file in read-only mode
self._reopen(node_cache_slots=self.node_cache_slots)
# Get the CLASS attribute of the arr object
title = self.h5file.root.array2.get_attr("TITLE")
self.assertEqual(title, "Title example 2")
def test02b_appendFile2(self):
"""Checking appending objects to an existing file ("a" version)"""
# Append a new array to the existing file
self._reopen(mode="a", node_cache_slots=self.node_cache_slots)
self.h5file.create_array(self.h5file.root, 'array2', [3, 4],
title="Title example 2")
# Open this file in read-only mode
self._reopen(node_cache_slots=self.node_cache_slots)
# Get the CLASS attribute of the arr object
title = self.h5file.root.array2.get_attr("TITLE")
self.assertEqual(title, "Title example 2")
# Begin to raise errors...
def test03_appendErrorFile(self):
"""Checking appending objects to an existing file in "w" mode."""
# Append a new array to the existing file but in write mode
# so, the existing file should be deleted!
self._reopen(mode="w", node_cache_slots=self.node_cache_slots)
self.h5file.create_array(self.h5file.root, 'array2', [3, 4],
title="Title example 2")
# Open this file in read-only mode
self._reopen(node_cache_slots=self.node_cache_slots)
with self.assertRaises(LookupError):
# Try to get the 'array' object in the old existing file
self.h5file.root.array
def test04a_openErrorFile(self):
"""Checking opening a non-existing file for reading"""
with self.assertRaises(IOError):
tables.open_file("nonexistent.h5", mode="r",
node_cache_slots=self.node_cache_slots)
def test04b_alternateRootFile(self):
"""Checking alternate root access to the object tree."""
# Open the existent HDF5 file
self._reopen(root_uep="/agroup",
node_cache_slots=self.node_cache_slots)
# Get the CLASS attribute of the arr object
if common.verbose:
print("\nFile tree dump:", self.h5file)
title = self.h5file.root.anarray1.get_attr("TITLE")
# Get the node again, as this can trigger errors in some situations
anarray1 = self.h5file.root.anarray1
self.assertTrue(anarray1 is not None)
self.assertEqual(title, "Array title 1")
# This test works well, but HDF5 emits a series of messages that
# may loose the user. It is better to deactivate it.
def notest04c_alternateRootFile(self):
"""Checking non-existent alternate root access to the object tree"""
with self.assertRaises(RuntimeError):
self._reopen(root_uep="/nonexistent",
node_cache_slots=self.node_cache_slots)
def test05a_removeGroupRecursively(self):
"""Checking removing a group recursively."""
# Delete a group with leafs
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
with self.assertRaises(NodeError):
self.h5file.remove_node(self.h5file.root.agroup)
# This should work now
self.h5file.remove_node(self.h5file.root, 'agroup', recursive=1)
# Open this file in read-only mode
self._reopen(node_cache_slots=self.node_cache_slots)
# Try to get the removed object
with self.assertRaises(LookupError):
self.h5file.root.agroup
# Try to get a child of the removed object
with self.assertRaises(LookupError):
self.h5file.get_node("/agroup/agroup3")
def test05b_removeGroupRecursively(self):
"""Checking removing a group recursively and access to it
immediately."""
if common.verbose:
print('\n', '-=' * 30)
print("Running %s.test05b_removeGroupRecursively..." %
self.__class__.__name__)
# Delete a group with leafs
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
with self.assertRaises(NodeError):
self.h5file.remove_node(self.h5file.root, 'agroup')
# This should work now
self.h5file.remove_node(self.h5file.root, 'agroup', recursive=1)
# Try to get the removed object
with self.assertRaises(LookupError):
self.h5file.root.agroup
# Try to get a child of the removed object
with self.assertRaises(LookupError):
self.h5file.get_node("/agroup/agroup3")
def test06_removeNodeWithDel(self):
"""Checking removing a node using ``__delattr__()``"""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
with self.assertRaises(AttributeError):
# This should fail because there is no *Python attribute*
# called ``agroup``.
del self.h5file.root.agroup
def test06a_removeGroup(self):
"""Checking removing a lonely group from an existing file."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
self.h5file.remove_node(self.h5file.root, 'agroup2')
# Open this file in read-only mode
self._reopen(node_cache_slots=self.node_cache_slots)
# Try to get the removed object
with self.assertRaises(LookupError):
self.h5file.root.agroup2
def test06b_removeLeaf(self):
"""Checking removing Leaves from an existing file."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
self.h5file.remove_node(self.h5file.root, 'anarray')
# Open this file in read-only mode
self._reopen(node_cache_slots=self.node_cache_slots)
# Try to get the removed object
with self.assertRaises(LookupError):
self.h5file.root.anarray
def test06c_removeLeaf(self):
"""Checking removing Leaves and access it immediately."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
self.h5file.remove_node(self.h5file.root, 'anarray')
# Try to get the removed object
with self.assertRaises(LookupError):
self.h5file.root.anarray
def test06d_removeLeaf(self):
"""Checking removing a non-existent node"""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# Try to get the removed object
with self.assertRaises(LookupError):
self.h5file.remove_node(self.h5file.root, 'nonexistent')
def test06e_removeTable(self):
"""Checking removing Tables from an existing file."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
self.h5file.remove_node(self.h5file.root, 'atable')
# Open this file in read-only mode
self._reopen(node_cache_slots=self.node_cache_slots)
# Try to get the removed object
with self.assertRaises(LookupError):
self.h5file.root.atable
def test07_renameLeaf(self):
"""Checking renaming a leave and access it after a close/open."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
self.h5file.rename_node(self.h5file.root.anarray, 'anarray2')
# Open this file in read-only mode
self._reopen(node_cache_slots=self.node_cache_slots)
# Ensure that the new name exists
array_ = self.h5file.root.anarray2
self.assertEqual(array_.name, "anarray2")
self.assertEqual(array_._v_pathname, "/anarray2")
self.assertEqual(array_._v_depth, 1)
# Try to get the previous object with the old name
with self.assertRaises(LookupError):
self.h5file.root.anarray
def test07b_renameLeaf(self):
"""Checking renaming Leaves and accesing them immediately."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
self.h5file.rename_node(self.h5file.root.anarray, 'anarray2')
# Ensure that the new name exists
array_ = self.h5file.root.anarray2
self.assertEqual(array_.name, "anarray2")
self.assertEqual(array_._v_pathname, "/anarray2")
self.assertEqual(array_._v_depth, 1)
# Try to get the previous object with the old name
with self.assertRaises(LookupError):
self.h5file.root.anarray
def test07c_renameLeaf(self):
"""Checking renaming Leaves and modify attributes after that."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
self.h5file.rename_node(self.h5file.root.anarray, 'anarray2')
array_ = self.h5file.root.anarray2
array_.attrs.TITLE = "hello"
# Ensure that the new attribute has been written correctly
self.assertEqual(array_.title, "hello")
self.assertEqual(array_.attrs.TITLE, "hello")
def test07d_renameLeaf(self):
"""Checking renaming a Group under a nested group."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
self.h5file.rename_node(self.h5file.root.agroup.anarray2, 'anarray3')
# Ensure that we can access n attributes in the new group
node = self.h5file.root.agroup.anarray3
self.assertEqual(node._v_title, "Array title 2")
def test08_renameToExistingLeaf(self):
"""Checking renaming a node to an existing name."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# Try to get the previous object with the old name
with self.assertRaises(NodeError):
self.h5file.rename_node(self.h5file.root.anarray, 'array')
# Now overwrite the destination node.
anarray = self.h5file.root.anarray
self.h5file.rename_node(anarray, 'array', overwrite=True)
self.assertTrue('/anarray' not in self.h5file)
self.assertTrue(self.h5file.root.array is anarray)
def test08b_renameToNotValidNaturalName(self):
"""Checking renaming a node to a non-valid natural name"""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
with warnings.catch_warnings():
warnings.filterwarnings("error", category=NaturalNameWarning)
# Try to get the previous object with the old name
with self.assertRaises(NaturalNameWarning):
self.h5file.rename_node(self.h5file.root.anarray, 'array 2')
def test09_renameGroup(self):
"""Checking renaming a Group and access it after a close/open."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
self.h5file.rename_node(self.h5file.root.agroup, 'agroup3')
# Open this file in read-only mode
self._reopen(node_cache_slots=self.node_cache_slots)
# Ensure that the new name exists
group = self.h5file.root.agroup3
self.assertEqual(group._v_name, "agroup3")
self.assertEqual(group._v_pathname, "/agroup3")
# The children of this group also must be accessible through the
# new name path
group2 = self.h5file.get_node("/agroup3/agroup3")
self.assertEqual(group2._v_name, "agroup3")
self.assertEqual(group2._v_pathname, "/agroup3/agroup3")
# Try to get the previous object with the old name
with self.assertRaises(LookupError):
self.h5file.root.agroup
# Try to get a child with the old pathname
with self.assertRaises(LookupError):
self.h5file.get_node("/agroup/agroup3")
def test09b_renameGroup(self):
"""Checking renaming a Group and access it immediately."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
self.h5file.rename_node(self.h5file.root.agroup, 'agroup3')
# Ensure that the new name exists
group = self.h5file.root.agroup3
self.assertEqual(group._v_name, "agroup3")
self.assertEqual(group._v_pathname, "/agroup3")
# The children of this group also must be accessible through the
# new name path
group2 = self.h5file.get_node("/agroup3/agroup3")
self.assertEqual(group2._v_name, "agroup3")
self.assertEqual(group2._v_pathname, "/agroup3/agroup3")
# Try to get the previous object with the old name
with self.assertRaises(LookupError):
self.h5file.root.agroup
# Try to get a child with the old pathname
with self.assertRaises(LookupError):
self.h5file.get_node("/agroup/agroup3")
def test09c_renameGroup(self):
"""Checking renaming a Group and modify attributes afterwards."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
self.h5file.rename_node(self.h5file.root.agroup, 'agroup3')
# Ensure that we can modify attributes in the new group
group = self.h5file.root.agroup3
group._v_attrs.TITLE = "Hello"
self.assertEqual(group._v_title, "Hello")
self.assertEqual(group._v_attrs.TITLE, "Hello")
def test09d_renameGroup(self):
"""Checking renaming a Group under a nested group."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
self.h5file.rename_node(self.h5file.root.agroup.agroup3, 'agroup4')
# Ensure that we can access n attributes in the new group
group = self.h5file.root.agroup.agroup4
self.assertEqual(group._v_title, "Group title 3")
def test09e_renameGroup(self):
"""Checking renaming a Group with nested groups in the LRU cache."""
# This checks for ticket #126.
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# Load intermediate groups and keep a nested one alive.
g = self.h5file.root.agroup.agroup3.agroup4
self.assertTrue(g is not None)
self.h5file.rename_node('/', name='agroup', newname='agroup_')
# see ticket #126
self.assertTrue('/agroup_/agroup4' not in self.h5file)
self.assertTrue('/agroup' not in self.h5file)
for newpath in ['/agroup_', '/agroup_/agroup3',
'/agroup_/agroup3/agroup4']:
self.assertTrue(newpath in self.h5file)
self.assertEqual(
newpath, self.h5file.get_node(newpath)._v_pathname)
def test10_moveLeaf(self):
"""Checking moving a leave and access it after a close/open."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
newgroup = self.h5file.create_group("/", "newgroup")
self.h5file.move_node(self.h5file.root.anarray, newgroup, 'anarray2')
# Open this file in read-only mode
self._reopen(node_cache_slots=self.node_cache_slots)
# Ensure that the new name exists
array_ = self.h5file.root.newgroup.anarray2
self.assertEqual(array_.name, "anarray2")
self.assertEqual(array_._v_pathname, "/newgroup/anarray2")
self.assertEqual(array_._v_depth, 2)
# Try to get the previous object with the old name
with self.assertRaises(LookupError):
self.h5file.root.anarray
def test10b_moveLeaf(self):
"""Checking moving a leave and access it without a close/open."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
newgroup = self.h5file.create_group("/", "newgroup")
self.h5file.move_node(self.h5file.root.anarray, newgroup, 'anarray2')
# Ensure that the new name exists
array_ = self.h5file.root.newgroup.anarray2
self.assertEqual(array_.name, "anarray2")
self.assertEqual(array_._v_pathname, "/newgroup/anarray2")
self.assertEqual(array_._v_depth, 2)
# Try to get the previous object with the old name
with self.assertRaises(LookupError):
self.h5file.root.anarray
def test10c_moveLeaf(self):
"""Checking moving Leaves and modify attributes after that."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
newgroup = self.h5file.create_group("/", "newgroup")
self.h5file.move_node(self.h5file.root.anarray, newgroup, 'anarray2')
array_ = self.h5file.root.newgroup.anarray2
array_.attrs.TITLE = "hello"
# Ensure that the new attribute has been written correctly
self.assertEqual(array_.title, "hello")
self.assertEqual(array_.attrs.TITLE, "hello")
def test10d_moveToExistingLeaf(self):
"""Checking moving a leaf to an existing name."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# Try to get the previous object with the old name
with self.assertRaises(NodeError):
self.h5file.move_node(
self.h5file.root.anarray, self.h5file.root, 'array')
def test10_2_moveTable(self):
"""Checking moving a table and access it after a close/open."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
newgroup = self.h5file.create_group("/", "newgroup")
self.h5file.move_node(self.h5file.root.atable, newgroup, 'atable2')
# Open this file in read-only mode
self._reopen(node_cache_slots=self.node_cache_slots)
# Ensure that the new name exists
table_ = self.h5file.root.newgroup.atable2
self.assertEqual(table_.name, "atable2")
self.assertEqual(table_._v_pathname, "/newgroup/atable2")
self.assertEqual(table_._v_depth, 2)
# Try to get the previous object with the old name
with self.assertRaises(LookupError):
self.h5file.root.atable
def test10_2b_moveTable(self):
"""Checking moving a table and access it without a close/open."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
newgroup = self.h5file.create_group("/", "newgroup")
self.h5file.move_node(self.h5file.root.atable, newgroup, 'atable2')
# Ensure that the new name exists
table_ = self.h5file.root.newgroup.atable2
self.assertEqual(table_.name, "atable2")
self.assertEqual(table_._v_pathname, "/newgroup/atable2")
self.assertEqual(table_._v_depth, 2)
# Try to get the previous object with the old name
with self.assertRaises(LookupError):
self.h5file.root.atable
def test10_2b_bis_moveTable(self):
"""Checking moving a table and use cached row without a close/open."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
newgroup = self.h5file.create_group("/", "newgroup")
# Cache the Row attribute prior to the move
row = self.h5file.root.atable.row
self.h5file.move_node(self.h5file.root.atable, newgroup, 'atable2')
# Ensure that the new name exists
table_ = self.h5file.root.newgroup.atable2
self.assertEqual(table_.name, "atable2")
self.assertEqual(table_._v_pathname, "/newgroup/atable2")
self.assertEqual(table_._v_depth, 2)
# Ensure that cache Row attribute has been updated
row = table_.row
self.assertEqual(table_._v_pathname, row.table._v_pathname)
nrows = table_.nrows
# Add a new row just to make sure that this works
row.append()
table_.flush()
self.assertEqual(table_.nrows, nrows + 1)
def test10_2c_moveTable(self):
"""Checking moving tables and modify attributes after that."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
newgroup = self.h5file.create_group("/", "newgroup")
self.h5file.move_node(self.h5file.root.atable, newgroup, 'atable2')
table_ = self.h5file.root.newgroup.atable2
table_.attrs.TITLE = "hello"
# Ensure that the new attribute has been written correctly
self.assertEqual(table_.title, "hello")
self.assertEqual(table_.attrs.TITLE, "hello")
def test10_2d_moveToExistingTable(self):
"""Checking moving a table to an existing name."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# Try to get the previous object with the old name
with self.assertRaises(NodeError):
self.h5file.move_node(self.h5file.root.atable, self.h5file.root,
'table')
def test10_2e_moveToExistingTableOverwrite(self):
"""Checking moving a table to an existing name, overwriting it."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
srcNode = self.h5file.root.atable
self.h5file.move_node(srcNode, self.h5file.root, 'table',
overwrite=True)
dstNode = self.h5file.root.table
self.assertTrue(srcNode is dstNode)
def test11_moveGroup(self):
"""Checking moving a Group and access it after a close/open."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
newgroup = self.h5file.create_group(self.h5file.root, 'newgroup')
self.h5file.move_node(self.h5file.root.agroup, newgroup, 'agroup3')
# Open this file in read-only mode
self._reopen(node_cache_slots=self.node_cache_slots)
# Ensure that the new name exists
group = self.h5file.root.newgroup.agroup3
self.assertEqual(group._v_name, "agroup3")
self.assertEqual(group._v_pathname, "/newgroup/agroup3")
self.assertEqual(group._v_depth, 2)
# The children of this group must also be accessible through the
# new name path
group2 = self.h5file.get_node("/newgroup/agroup3/agroup3")
self.assertEqual(group2._v_name, "agroup3")
self.assertEqual(group2._v_pathname, "/newgroup/agroup3/agroup3")
self.assertEqual(group2._v_depth, 3)
# Try to get the previous object with the old name
with self.assertRaises(LookupError):
self.h5file.root.agroup
# Try to get a child with the old pathname
with self.assertRaises(LookupError):
self.h5file.get_node("/agroup/agroup3")
def test11b_moveGroup(self):
"""Checking moving a Group and access it immediately."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
newgroup = self.h5file.create_group(self.h5file.root, 'newgroup')
self.h5file.move_node(self.h5file.root.agroup, newgroup, 'agroup3')
# Ensure that the new name exists
group = self.h5file.root.newgroup.agroup3
self.assertEqual(group._v_name, "agroup3")
self.assertEqual(group._v_pathname, "/newgroup/agroup3")
self.assertEqual(group._v_depth, 2)
# The children of this group must also be accessible through the
# new name path
group2 = self.h5file.get_node("/newgroup/agroup3/agroup3")
self.assertEqual(group2._v_name, "agroup3")
self.assertEqual(group2._v_pathname, "/newgroup/agroup3/agroup3")
self.assertEqual(group2._v_depth, 3)
# Try to get the previous object with the old name
with self.assertRaises(LookupError):
self.h5file.root.agroup
# Try to get a child with the old pathname
with self.assertRaises(LookupError):
self.h5file.get_node("/agroup/agroup3")
def test11c_moveGroup(self):
"""Checking moving a Group and modify attributes afterwards."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
newgroup = self.h5file.create_group(self.h5file.root, 'newgroup')
self.h5file.move_node(self.h5file.root.agroup, newgroup, 'agroup3')
# Ensure that we can modify attributes in the new group
group = self.h5file.root.newgroup.agroup3
group._v_attrs.TITLE = "Hello"
group._v_attrs.hola = "Hello"
self.assertEqual(group._v_title, "Hello")
self.assertEqual(group._v_attrs.TITLE, "Hello")
self.assertEqual(group._v_attrs.hola, "Hello")
def test11d_moveToExistingGroup(self):
"""Checking moving a group to an existing name."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# Try to get the previous object with the old name
with self.assertRaises(NodeError):
self.h5file.move_node(self.h5file.root.agroup, self.h5file.root,
'agroup2')
def test11e_moveToExistingGroupOverwrite(self):
"""Checking moving a group to an existing name, overwriting it."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# agroup2 -> agroup
srcNode = self.h5file.root.agroup2
self.h5file.move_node(srcNode, self.h5file.root, 'agroup',
overwrite=True)
dstNode = self.h5file.root.agroup
self.assertTrue(srcNode is dstNode)
def test12a_moveNodeOverItself(self):
"""Checking moving a node over itself."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# array -> array
srcNode = self.h5file.root.array
self.h5file.move_node(srcNode, self.h5file.root, 'array')
dstNode = self.h5file.root.array
self.assertTrue(srcNode is dstNode)
def test12b_moveGroupIntoItself(self):
"""Checking moving a group into itself."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
with self.assertRaises(NodeError):
# agroup2 -> agroup2/
self.h5file.move_node(self.h5file.root.agroup2,
self.h5file.root.agroup2)
def test13a_copyLeaf(self):
"""Copying a leaf."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# array => agroup2/
new_node = self.h5file.copy_node(self.h5file.root.array,
self.h5file.root.agroup2)
dstNode = self.h5file.root.agroup2.array
self.assertTrue(new_node is dstNode)
def test13b_copyGroup(self):
"""Copying a group."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# agroup2 => agroup/
new_node = self.h5file.copy_node(self.h5file.root.agroup2,
self.h5file.root.agroup)
dstNode = self.h5file.root.agroup.agroup2
self.assertTrue(new_node is dstNode)
def test13c_copyGroupSelf(self):
"""Copying a group into itself."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# agroup2 => agroup2/
new_node = self.h5file.copy_node(self.h5file.root.agroup2,
self.h5file.root.agroup2)
dstNode = self.h5file.root.agroup2.agroup2
self.assertTrue(new_node is dstNode)
def test13d_copyGroupRecursive(self):
"""Recursively copying a group."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# agroup => agroup2/
new_node = self.h5file.copy_node(
self.h5file.root.agroup, self.h5file.root.agroup2, recursive=True)
dstNode = self.h5file.root.agroup2.agroup
self.assertTrue(new_node is dstNode)
dstChild1 = dstNode.anarray1
self.assertTrue(dstChild1 is not None)
dstChild2 = dstNode.anarray2
self.assertTrue(dstChild2 is not None)
dstChild3 = dstNode.agroup3
self.assertTrue(dstChild3 is not None)
def test13e_copyRootRecursive(self):
"""Recursively copying the root group into the root of another file."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
h5fname2 = tempfile.mktemp(".h5")
h5file2 = tables.open_file(
h5fname2, mode="w", node_cache_slots=self.node_cache_slots)
try:
# h5file.root => h5file2.root
new_node = self.h5file.copy_node(
self.h5file.root, h5file2.root, recursive=True)
dstNode = h5file2.root
self.assertTrue(new_node is dstNode)
self.assertTrue("/agroup" in h5file2)
self.assertTrue("/agroup/anarray1" in h5file2)
self.assertTrue("/agroup/agroup3" in h5file2)
finally:
h5file2.close()
os.remove(h5fname2)
def test13f_copyRootRecursive(self):
"""Recursively copying the root group into a group in another file."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
h5fname2 = tempfile.mktemp(".h5")
h5file2 = tables.open_file(
h5fname2, mode="w", node_cache_slots=self.node_cache_slots)
try:
h5file2.create_group('/', 'agroup2')
# fileh.root => h5file2.root.agroup2
new_node = self.h5file.copy_node(
self.h5file.root, h5file2.root.agroup2, recursive=True)
dstNode = h5file2.root.agroup2
self.assertTrue(new_node is dstNode)
self.assertTrue("/agroup2/agroup" in h5file2)
self.assertTrue("/agroup2/agroup/anarray1" in h5file2)
self.assertTrue("/agroup2/agroup/agroup3" in h5file2)
finally:
h5file2.close()
os.remove(h5fname2)
def test13g_copyRootItself(self):
"""Recursively copying the root group into itself."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
agroup2 = self.h5file.root
self.assertTrue(agroup2 is not None)
# h5file.root => h5file.root
self.assertRaises(IOError, self.h5file.copy_node,
self.h5file.root, self.h5file.root, recursive=True)
def test14a_copyNodeExisting(self):
"""Copying over an existing node."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
with self.assertRaises(NodeError):
# agroup2 => agroup
self.h5file.copy_node(self.h5file.root.agroup2, newname='agroup')
def test14b_copyNodeExistingOverwrite(self):
"""Copying over an existing node, overwriting it."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# agroup2 => agroup
new_node = self.h5file.copy_node(self.h5file.root.agroup2,
newname='agroup', overwrite=True)
dstNode = self.h5file.root.agroup
self.assertTrue(new_node is dstNode)
def test14b2_copyNodeExistingOverwrite(self):
"""Copying over an existing node in other file, overwriting it."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
h5fname2 = tempfile.mktemp(".h5")
h5file2 = tables.open_file(
h5fname2, mode="w", node_cache_slots=self.node_cache_slots)
try:
# file1:/anarray1 => h5fname2:/anarray1
new_node = self.h5file.copy_node(self.h5file.root.agroup.anarray1,
newparent=h5file2.root)
# file1:/ => h5fname2:/
new_node = self.h5file.copy_node(self.h5file.root, h5file2.root,
overwrite=True, recursive=True)
dstNode = h5file2.root
self.assertTrue(new_node is dstNode)
finally:
h5file2.close()
os.remove(h5fname2)
def test14c_copyNodeExistingSelf(self):
"""Copying over self."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
with self.assertRaises(NodeError):
# agroup => agroup
self.h5file.copy_node(self.h5file.root.agroup, newname='agroup')
def test14d_copyNodeExistingOverwriteSelf(self):
"""Copying over self, trying to overwrite."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
with self.assertRaises(NodeError):
# agroup => agroup
self.h5file.copy_node(
self.h5file.root.agroup, newname='agroup', overwrite=True)
def test14e_copyGroupSelfRecursive(self):
"""Recursively copying a group into itself."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
with self.assertRaises(NodeError):
# agroup => agroup/
self.h5file.copy_node(self.h5file.root.agroup,
self.h5file.root.agroup, recursive=True)
def test15a_oneStepMove(self):
"""Moving and renaming a node in a single action."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# anarray1 -> agroup/array
srcNode = self.h5file.root.anarray1
self.h5file.move_node(srcNode, self.h5file.root.agroup, 'array')
dstNode = self.h5file.root.agroup.array
self.assertTrue(srcNode is dstNode)
def test15b_oneStepCopy(self):
"""Copying and renaming a node in a single action."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# anarray1 => agroup/array
new_node = self.h5file.copy_node(
self.h5file.root.anarray1, self.h5file.root.agroup, 'array')
dstNode = self.h5file.root.agroup.array
self.assertTrue(new_node is dstNode)
def test16a_fullCopy(self):
"""Copying full data and user attributes."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# agroup => groupcopy
srcNode = self.h5file.root.agroup
new_node = self.h5file.copy_node(
srcNode, newname='groupcopy', recursive=True)
dstNode = self.h5file.root.groupcopy
self.assertTrue(new_node is dstNode)
self.assertEqual(srcNode._v_attrs.testattr, dstNode._v_attrs.testattr)
self.assertEqual(
srcNode.anarray1.attrs.testattr, dstNode.anarray1.attrs.testattr)
self.assertEqual(srcNode.anarray1.read(), dstNode.anarray1.read())
def test16b_partialCopy(self):
"""Copying partial data and no user attributes."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
# agroup => groupcopy
srcNode = self.h5file.root.agroup
new_node = self.h5file.copy_node(
srcNode, newname='groupcopy',
recursive=True, copyuserattrs=False,
start=0, stop=5, step=2)
dstNode = self.h5file.root.groupcopy
self.assertTrue(new_node is dstNode)
self.assertFalse(hasattr(dstNode._v_attrs, 'testattr'))
self.assertFalse(hasattr(dstNode.anarray1.attrs, 'testattr'))
self.assertEqual(srcNode.anarray1.read()[
0:5:2], dstNode.anarray1.read())
def test16c_fullCopy(self):
"""Copying full data and user attributes (from file to file)."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
h5fname2 = tempfile.mktemp(".h5")
h5file2 = tables.open_file(
h5fname2, mode="w", node_cache_slots=self.node_cache_slots)
try:
# file1:/ => h5fname2:groupcopy
srcNode = self.h5file.root
new_node = self.h5file.copy_node(
srcNode, h5file2.root, newname='groupcopy', recursive=True)
dstNode = h5file2.root.groupcopy
self.assertTrue(new_node is dstNode)
self.assertEqual(srcNode._v_attrs.testattr,
dstNode._v_attrs.testattr)
self.assertEqual(
srcNode.agroup.anarray1.attrs.testattr,
dstNode.agroup.anarray1.attrs.testattr)
self.assertEqual(srcNode.agroup.anarray1.read(),
dstNode.agroup.anarray1.read())
finally:
h5file2.close()
os.remove(h5fname2)
def test17a_CopyChunkshape(self):
"""Copying dataset with a chunkshape."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
srcTable = self.h5file.root.table
newTable = self.h5file.copy_node(
srcTable, newname='tablecopy', chunkshape=11)
self.assertEqual(newTable.chunkshape, (11,))
self.assertNotEqual(srcTable.chunkshape, newTable.chunkshape)
def test17b_CopyChunkshape(self):
"""Copying dataset with a chunkshape with 'keep' value."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
srcTable = self.h5file.root.table
newTable = self.h5file.copy_node(
srcTable, newname='tablecopy', chunkshape='keep')
self.assertEqual(srcTable.chunkshape, newTable.chunkshape)
def test17c_CopyChunkshape(self):
"""Copying dataset with a chunkshape with 'auto' value."""
self._reopen(mode="r+", node_cache_slots=self.node_cache_slots)
srcTable = self.h5file.root.table
newTable = self.h5file.copy_node(
srcTable, newname='tablecopy', chunkshape=11)
newTable2 = self.h5file.copy_node(
newTable, newname='tablecopy2', chunkshape='auto')
self.assertEqual(srcTable.chunkshape, newTable2.chunkshape)
def test18_closedRepr(self):
"""Representing a closed node as a string."""
self._reopen(node_cache_slots=self.node_cache_slots)
for node in [self.h5file.root.agroup, self.h5file.root.anarray]:
node._f_close()
self.assertTrue('closed' in str(node))
self.assertTrue('closed' in repr(node))
def test19_fileno(self):
"""Checking that the 'fileno()' method works."""
# Open the old HDF5 file
self._reopen(mode="r", node_cache_slots=self.node_cache_slots)
# Get the file descriptor for this file
fd = self.h5file.fileno()
if common.verbose:
print("Value of fileno():", fd)
self.assertTrue(fd >= 0)
class NodeCacheOpenFile(OpenFileTestCase):
node_cache_slots = NODE_CACHE_SLOTS
open_kwargs = dict(node_cache_slots=node_cache_slots)
class NoNodeCacheOpenFile(OpenFileTestCase):
node_cache_slots = 0
open_kwargs = dict(node_cache_slots=node_cache_slots)
class DictNodeCacheOpenFile(OpenFileTestCase):
node_cache_slots = -NODE_CACHE_SLOTS
open_kwargs = dict(node_cache_slots=node_cache_slots)
class CheckFileTestCase(common.TempFileMixin, TestCase):
def setUp(self):
super(CheckFileTestCase, self).setUp()
# Create a regular (text) file
self.txtfile = tempfile.mktemp(".h5")
self.fileh = open(self.txtfile, "w")
self.fileh.write("Hello!")
self.fileh.close()
def tearDown(self):
self.fileh.close()
os.remove(self.txtfile)
super(CheckFileTestCase, self).tearDown()
def test00_isHDF5File(self):
"""Checking tables.is_hdf5_file function (TRUE case)"""
# Create a PyTables file (and by so, an HDF5 file)
self.h5file.create_array(self.h5file.root, 'array', [1, 2],
title="Title example")
# For this method to run, it needs a closed file
self.h5file.close()
# When file has an HDF5 format, always returns 1
if common.verbose:
print("\nisHDF5File(%s) ==> %d" % (
self.h5fname, tables.is_hdf5_file(self.h5fname)))
self.assertEqual(tables.is_hdf5_file(self.h5fname), 1)
def test01_isHDF5File(self):
"""Checking tables.is_hdf5_file function (FALSE case)"""
version = tables.is_hdf5_file(self.txtfile)
# When file is not an HDF5 format, always returns 0 or
# negative value
self.assertTrue(version <= 0)
def test01x_isHDF5File_nonexistent(self):
"""Identifying a nonexistent HDF5 file."""
self.assertRaises(IOError, tables.is_hdf5_file, 'nonexistent')
@unittest.skipUnless(hasattr(os, 'getuid') and os.getuid() != 0, "no UID")
def test01x_isHDF5File_unreadable(self):
"""Identifying an unreadable HDF5 file."""
self.h5file.close()
os.chmod(self.h5fname, 0) # no permissions at all
self.assertRaises(IOError, tables.is_hdf5_file, self.h5fname)
def test02_isPyTablesFile(self):
"""Checking is_pytables_file function (TRUE case)"""
# Create a PyTables h5fname
self.h5file.create_array(self.h5file.root, 'array',
[1, 2], title="Title example")
# For this method to run, it needs a closed h5fname
self.h5file.close()
version = tables.is_pytables_file(self.h5fname)
# When h5fname has a PyTables format, always returns "1.0" string or
# greater
if common.verbose:
print()
print("\nPyTables format version number ==> %s" % version)
self.assertTrue(version >= "1.0")
def test03_isPyTablesFile(self):
"""Checking is_pytables_file function (FALSE case)"""
version = tables.is_pytables_file(self.txtfile)
# When file is not a PyTables format, always returns 0 or
# negative value
if common.verbose:
print()
print("\nPyTables format version number ==> %s" % version)
self.assertTrue(version is None)
def test04_openGenericHDF5File(self):
"""Checking opening of a generic HDF5 file."""
# Open an existing generic HDF5 file
h5fname = self._testFilename("ex-noattr.h5")
with tables.open_file(h5fname, mode="r") as h5file:
# Check for some objects inside
# A group
columns = h5file.get_node("/columns", classname="Group")
self.assertEqual(columns._v_name, "columns")
# An Array
array_ = h5file.get_node(columns, "TDC", classname="Array")
self.assertEqual(array_._v_name, "TDC")
# The new LRU code defers the appearance of a warning to this point
# Here comes an Array of H5T_ARRAY type
ui = h5file.get_node(columns, "pressure", classname="Array")
self.assertEqual(ui._v_name, "pressure")
if common.verbose:
print("Array object with type H5T_ARRAY -->", repr(ui))
print("Array contents -->", ui[:])
# A Table
table = h5file.get_node("/detector", "table", classname="Table")
self.assertEqual(table._v_name, "table")
def test04b_UnImplementedOnLoading(self):
"""Checking failure loading resulting in an ``UnImplemented`` node."""
############### Note for developers ###############################
# This test fails if you have the line: #
# ##return ChildClass(self, childname) # uncomment for debugging #
# uncommented in Group.py! #
###################################################################
h5fname = self._testFilename('smpl_unsupptype.h5')
with tables.open_file(h5fname) as h5file:
with self.assertWarns(UserWarning):
node = h5file.get_node('/CompoundChunked')
self.assertTrue(isinstance(node, UnImplemented))
def test04c_UnImplementedScalar(self):
"""Checking opening of HDF5 files containing scalar dataset of
UnImlemented type."""
with tables.open_file(self._testFilename("scalar.h5")) as h5file:
with self.assertWarns(UserWarning):
node = h5file.get_node('/variable length string')
self.assertTrue(isinstance(node, UnImplemented))
def test05_copyUnimplemented(self):
"""Checking that an UnImplemented object cannot be copied."""
# Open an existing generic HDF5 file
h5fname = self._testFilename("smpl_unsupptype.h5")
with tables.open_file(h5fname, mode="r") as h5file:
self.assertWarns(UserWarning, h5file.get_node, '/CompoundChunked')
with warnings.catch_warnings():
warnings.simplefilter("ignore")
ui = h5file.get_node('/CompoundChunked')
self.assertEqual(ui._v_name, 'CompoundChunked')
if common.verbose:
print("UnImplement object -->", repr(ui))
# Check that it cannot be copied to another file:
self.assertWarns(UserWarning, ui.copy, self.h5file.root, "newui")
# The next can be used to check the copy of Array objects with H5T_ARRAY
# in the future
def _test05_copyUnimplemented(self):
"""Checking that an UnImplemented object cannot be copied."""
# Open an existing generic HDF5 file
# We don't need to wrap this in a try clause because
# it has already been tried and the warning will not happen again
h5fname2 = self._testFilename("ex-noattr.h5")
with tables.open_file(h5fname2, mode="r") as h5file2:
# An unsupported object (the deprecated H5T_ARRAY type in
# Array, from pytables 0.8 on)
ui = h5file2.get_node(h5file2.root.columns, "pressure")
self.assertEqual(ui._v_name, "pressure")
if common.verbose:
print("UnImplement object -->", repr(ui))
# Check that it cannot be copied to another file
with warnings.catch_warnings():
# Force the userwarning to issue an error
warnings.filterwarnings("error", category=UserWarning)
with self.assertRaises(UserWarning):
ui.copy(self.h5file.root, "newui")
@unittest.skipIf((os.name == 'nt' and sys.version_info < (3,))
or tables.file._FILE_OPEN_POLICY == 'strict',
'FILE_OPEN_POLICY = "strict"')
class ThreadingTestCase(common.TempFileMixin, TestCase):
def setUp(self):
super(ThreadingTestCase, self).setUp()
self.h5file.create_carray('/', 'test_array', tables.Int64Atom(),
(200, 300))
self.h5file.close()
def test(self):
lock = threading.Lock()
def syncronized_open_file(*args, **kwargs):
with lock:
return tables.open_file(*args, **kwargs)
def syncronized_close_file(self, *args, **kwargs):
with lock:
return self.close(*args, **kwargs)
filename = self.h5fname
def run(filename, q):
try:
f = syncronized_open_file(filename, mode='r')
arr = f.root.test_array[8:12, 18:22]
assert arr.max() == arr.min() == 0
syncronized_close_file(f)
except Exception:
q.put(sys.exc_info())
else:
q.put('OK')
threads = []
q = Queue.Queue()
for i in xrange(10):
t = threading.Thread(target=run, args=(filename, q))
t.start()
threads.append(t)
for i in xrange(10):
self.assertEqual(q.get(), 'OK')
for t in threads:
t.join()
class PythonAttrsTestCase(common.TempFileMixin, TestCase):
"""Test interactions of Python attributes and child nodes."""
def test00_attrOverChild(self):
"""Setting a Python attribute over a child node."""
root = self.h5file.root
# Create ``/test`` and overshadow it with ``root.test``.
child = self.h5file.create_array(root, 'test', [1])
attr = 'foobar'
self.assertWarns(NaturalNameWarning, setattr, root, 'test', attr)
self.assertTrue(root.test is attr)
self.assertTrue(root._f_get_child('test') is child)
# Now bring ``/test`` again to light.
del root.test
self.assertTrue(root.test is child)
# Now there is no *attribute* named ``test``.
self.assertRaises(AttributeError,
delattr, root, 'test')
def test01_childUnderAttr(self):
"""Creating a child node under a Python attribute."""
h5file = self.h5file
root = h5file.root
# Create ``root.test`` and an overshadowed ``/test``.
attr = 'foobar'
root.test = attr
self.assertWarns(NaturalNameWarning,
h5file.create_array, root, 'test', [1])
child = h5file.get_node('/test')
self.assertTrue(root.test is attr)
self.assertTrue(root._f_get_child('test') is child)
# Now bring ``/test`` again to light.
del root.test
self.assertTrue(root.test is child)
# Now there is no *attribute* named ``test``.
self.assertRaises(AttributeError, delattr, root, 'test')
def test02_nodeAttrInLeaf(self):
"""Assigning a ``Node`` value as an attribute to a ``Leaf``."""
h5file = self.h5file
array1 = h5file.create_array('/', 'array1', [1])
array2 = h5file.create_array('/', 'array2', [1])
# This may make the garbage collector work a little.
array1.array2 = array2
array2.array1 = array1
# Check the assignments.
self.assertTrue(array1.array2 is array2)
self.assertTrue(array2.array1 is array1)
self.assertRaises(NoSuchNodeError, # ``/array1`` is not a group
h5file.get_node, '/array1/array2')
self.assertRaises(NoSuchNodeError, # ``/array2`` is not a group
h5file.get_node, '/array2/array3')
def test03_nodeAttrInGroup(self):
"""Assigning a ``Node`` value as an attribute to a ``Group``."""
h5file = self.h5file
root = h5file.root
array = h5file.create_array('/', 'array', [1])
# Assign the array to a pair of attributes,
# one of them overshadowing the original.
root.arrayAlias = array
self.assertWarns(NaturalNameWarning, setattr, root, 'array', array)
# Check the assignments.
self.assertTrue(root.arrayAlias is array)
self.assertTrue(root.array is array)
self.assertRaises(NoSuchNodeError, h5file.get_node, '/arrayAlias')
self.assertTrue(h5file.get_node('/array') is array)
# Remove the attribute overshadowing the child.
del root.array
# Now there is no *attribute* named ``array``.
self.assertRaises(AttributeError, delattr, root, 'array')
class StateTestCase(common.TempFileMixin, TestCase):
"""Test that ``File`` and ``Node`` operations check their state (open or
closed, readable or writable) before proceeding."""
def test00_fileCopyFileClosed(self):
"""Test copying a closed file."""
self.h5file.close()
h5cfname = tempfile.mktemp(suffix='.h5')
try:
self.assertRaises(ClosedFileError,
self.h5file.copy_file, h5cfname)
finally:
if os.path.exists(h5cfname):
os.remove(h5cfname)
def test01_fileCloseClosed(self):
"""Test closing an already closed file."""
self.h5file.close()
try:
self.h5file.close()
except ClosedFileError:
self.fail("could not close an already closed file")
def test02_fileFlushClosed(self):
"""Test flushing a closed file."""
self.h5file.close()
self.assertRaises(ClosedFileError, self.h5file.flush)
def test03_fileFlushRO(self):
"""Flushing a read-only file."""
self._reopen('r')
try:
self.h5file.flush()
except FileModeError:
self.fail("could not flush a read-only file")
def test04_fileCreateNodeClosed(self):
"""Test creating a node in a closed file."""
self.h5file.close()
self.assertRaises(ClosedFileError,
self.h5file.create_group, '/', 'test')
def test05_fileCreateNodeRO(self):
"""Test creating a node in a read-only file."""
self._reopen('r')
self.assertRaises(FileModeError,
self.h5file.create_group, '/', 'test')
def test06_fileRemoveNodeClosed(self):
"""Test removing a node from a closed file."""
self.h5file.create_group('/', 'test')
self.h5file.close()
self.assertRaises(ClosedFileError,
self.h5file.remove_node, '/', 'test')
def test07_fileRemoveNodeRO(self):
"""Test removing a node from a read-only file."""
self.h5file.create_group('/', 'test')
self._reopen('r')
self.assertRaises(FileModeError,
self.h5file.remove_node, '/', 'test')
def test08_fileMoveNodeClosed(self):
"""Test moving a node in a closed file."""
self.h5file.create_group('/', 'test1')
self.h5file.create_group('/', 'test2')
self.h5file.close()
self.assertRaises(ClosedFileError,
self.h5file.move_node, '/test1', '/', 'test2')
def test09_fileMoveNodeRO(self):
"""Test moving a node in a read-only file."""
self.h5file.create_group('/', 'test1')
self.h5file.create_group('/', 'test2')
self._reopen('r')
self.assertRaises(FileModeError,
self.h5file.move_node, '/test1', '/', 'test2')
def test10_fileCopyNodeClosed(self):
"""Test copying a node in a closed file."""
self.h5file.create_group('/', 'test1')
self.h5file.create_group('/', 'test2')
self.h5file.close()
self.assertRaises(ClosedFileError,
self.h5file.copy_node, '/test1', '/', 'test2')
def test11_fileCopyNodeRO(self):
"""Test copying a node in a read-only file."""
self.h5file.create_group('/', 'test1')
self._reopen('r')
self.assertRaises(FileModeError,
self.h5file.copy_node, '/test1', '/', 'test2')
def test13_fileGetNodeClosed(self):
"""Test getting a node from a closed file."""
self.h5file.create_group('/', 'test')
self.h5file.close()
self.assertRaises(ClosedFileError, self.h5file.get_node, '/test')
def test14_fileWalkNodesClosed(self):
"""Test walking a closed file."""
self.h5file.create_group('/', 'test1')
self.h5file.create_group('/', 'test2')
self.h5file.close()
self.assertRaises(ClosedFileError, self.h5file.walk_nodes().next)
def test15_fileAttrClosed(self):
"""Test setting and deleting a node attribute in a closed file."""
self.h5file.create_group('/', 'test')
self.h5file.close()
self.assertRaises(ClosedFileError,
self.h5file.set_node_attr, '/test', 'foo', 'bar')
self.assertRaises(ClosedFileError,
self.h5file.del_node_attr, '/test', 'foo')
def test16_fileAttrRO(self):
"""Test setting and deleting a node attribute in a read-only file."""
self.h5file.create_group('/', 'test')
self.h5file.set_node_attr('/test', 'foo', 'foo')
self._reopen('r')
self.assertRaises(FileModeError,
self.h5file.set_node_attr, '/test', 'foo', 'bar')
self.assertRaises(FileModeError,
self.h5file.del_node_attr, '/test', 'foo')
def test17_fileUndoClosed(self):
"""Test undo operations in a closed file."""
self.h5file.enable_undo()
self.h5file.create_group('/', 'test2')
self.h5file.close()
self.assertRaises(ClosedFileError, self.h5file.is_undo_enabled)
self.assertRaises(ClosedFileError, self.h5file.get_current_mark)
self.assertRaises(ClosedFileError, self.h5file.undo)
self.assertRaises(ClosedFileError, self.h5file.disable_undo)
def test18_fileUndoRO(self):
"""Test undo operations in a read-only file."""
self.h5file.enable_undo()
self.h5file.create_group('/', 'test')
self._reopen('r')
self.assertEqual(self.h5file._undoEnabled, False)
# self.assertRaises(FileModeError, self.h5file.undo)
# self.assertRaises(FileModeError, self.h5file.disable_undo)
def test19a_getNode(self):
"""Test getting a child of a closed node."""
g1 = self.h5file.create_group('/', 'g1')
g2 = self.h5file.create_group('/g1', 'g2')
# Close this *object* so that it should not be used.
g1._f_close()
self.assertRaises(ClosedNodeError, g1._f_get_child, 'g2')
# Getting a node by its closed object is not allowed.
self.assertRaises(ClosedNodeError,
self.h5file.get_node, g1)
# Going through that *node* should reopen it automatically.
try:
g2_ = self.h5file.get_node('/g1/g2')
except ClosedNodeError:
self.fail("closed parent group has not been reopened")
# Already open nodes should be closed now, but not the new ones.
self.assertTrue(g2._v_isopen is False,
"open child of closed group has not been closed")
self.assertTrue(g2_._v_isopen is True,
"open child of closed group has not been closed")
# And existing closed ones should remain closed, but not the new ones.
g1_ = self.h5file.get_node('/g1')
self.assertTrue(g1._v_isopen is False,
"already closed group is not closed anymore")
self.assertTrue(g1_._v_isopen is True,
"newly opened group is still closed")
def test19b_getNode(self):
"""Test getting a node that does not start with a slash ('/')."""
# Create an array in the root
self.h5file.create_array('/', 'array', [1, 2], title="Title example")
# Get the array without specifying a leading slash
self.assertRaises(NameError, self.h5file.get_node, "array")
def test20_removeNode(self):
"""Test removing a closed node."""
# This test is a little redundant once we know that ``File.get_node()``
# will reload a closed node, but anyway...
group = self.h5file.create_group('/', 'group')
array = self.h5file.create_array('/group', 'array', [1])
# The closed *object* can not be used.
group._f_close()
self.assertRaises(ClosedNodeError, group._f_remove)
self.assertRaises(ClosedNodeError, self.h5file.remove_node, group)
# Still, the *node* is reloaded when necessary.
try:
self.h5file.remove_node('/group', recursive=True)
except ClosedNodeError:
self.fail("closed node has not been reloaded")
# Objects of descendent removed nodes
# should have been automatically closed when removed.
self.assertRaises(ClosedNodeError, array._f_remove)
self.assertTrue('/group/array' not in self.h5file) # just in case
self.assertTrue('/group' not in self.h5file) # just in case
def test21_attrsOfNode(self):
"""Test manipulating the attributes of a closed node."""
node = self.h5file.create_group('/', 'test')
nodeAttrs = node._v_attrs
nodeAttrs.test = attr = 'foo'
node._f_close()
self.assertRaises(ClosedNodeError, getattr, node, '_v_attrs')
# The design of ``AttributeSet`` does not yet allow this test.
## self.assertRaises(ClosedNodeError, getattr, nodeAttrs, 'test')
self.assertEqual(self.h5file.get_node_attr('/test', 'test'), attr)
def test21b_attrsOfNode(self):
"""Test manipulating the attributes of a node in a read-only file."""
self.h5file.create_group('/', 'test')
self.h5file.set_node_attr('/test', 'test', 'foo')
self._reopen('r')
self.assertRaises(FileModeError,
self.h5file.set_node_attr, '/test', 'test', 'bar')
def test22_fileClosesNode(self):
"""Test node closing because of file closing."""
node = self.h5file.create_group('/', 'test')
self.h5file.close()
self.assertRaises(ClosedNodeError, getattr, node, '_v_attrs')
def test23_reopenFile(self):
"""Testing reopening a file and closing it several times."""
self.h5file.create_array('/', 'test', [1, 2, 3])
self.h5file.close()
with tables.open_file(self.h5fname, "r") as h5file1:
self.assertEqual(h5file1.open_count, 1)
if tables.file._FILE_OPEN_POLICY == 'strict':
self.assertRaises(ValueError,
tables.open_file, self.h5fname, "r")
else:
with tables.open_file(self.h5fname, "r") as h5file2:
self.assertEqual(h5file1.open_count, 1)
self.assertEqual(h5file2.open_count, 1)
if common.verbose:
print("(h5file1) open_count:", h5file1.open_count)
print("(h5file1) test[1]:", h5file1.root.test[1])
self.assertEqual(h5file1.root.test[1], 2)
h5file1.close()
self.assertEqual(h5file2.open_count, 1)
if common.verbose:
print("(h5file2) open_count:", h5file2.open_count)
print("(h5file2) test[1]:", h5file2.root.test[1])
self.assertEqual(h5file2.root.test[1], 2)
class FlavorTestCase(common.TempFileMixin, TestCase):
"""Test that setting, getting and changing the ``flavor`` attribute of a
leaf works as expected."""
array_data = numpy.arange(10)
scalar_data = numpy.int32(10)
def _reopen(self, mode='r'):
super(FlavorTestCase, self)._reopen(mode)
self.array = self.h5file.get_node('/array')
self.scalar = self.h5file.get_node('/scalar')
return True
def setUp(self):
super(FlavorTestCase, self).setUp()
self.array = self.h5file.create_array('/', 'array', self.array_data)
self.scalar = self.h5file.create_array('/', 'scalar', self.scalar_data)
def test00_invalid(self):
"""Setting an invalid flavor."""
self.assertRaises(FlavorError, setattr, self.array, 'flavor', 'foo')
def test01_readonly(self):
"""Setting a flavor in a read-only file."""
self._reopen(mode='r')
self.assertRaises(FileModeError,
setattr, self.array, 'flavor',
tables.flavor.internal_flavor)
def test02_change(self):
"""Changing the flavor and reading data."""
for flavor in all_flavors:
self.array.flavor = flavor
self.assertEqual(self.array.flavor, flavor)
idata = array_of_flavor(self.array_data, flavor)
odata = self.array[:]
self.assertTrue(common.allequal(odata, idata, flavor))
def test03_store(self):
"""Storing a changed flavor."""
for flavor in all_flavors:
self.array.flavor = flavor
self.assertEqual(self.array.flavor, flavor)
self._reopen(mode='r+')
self.assertEqual(self.array.flavor, flavor)
def test04_missing(self):
"""Reading a dataset of a missing flavor."""
flavor = self.array.flavor # default is internal
self.array._v_attrs.FLAVOR = 'foobar' # breaks flavor
self._reopen(mode='r')
idata = array_of_flavor(self.array_data, flavor)
with self.assertWarns(FlavorWarning):
odata = self.array.read()
self.assertTrue(common.allequal(odata, idata, flavor))
def test05_delete(self):
"""Deleting the flavor of a dataset."""
self.array.flavor = 'python' # non-default
self.assertEqual(self.array.flavor, 'python')
self.assertEqual(self.array.attrs.FLAVOR, 'python')
del self.array.flavor
self.assertEqual(self.array.flavor, tables.flavor.internal_flavor)
self.assertRaises(AttributeError, getattr, self.array.attrs, 'FLAVOR')
def test06_copyDeleted(self):
"""Copying a node with a deleted flavor (see #100)."""
snames = [node._v_name for node in [self.array, self.scalar]]
dnames = ['%s_copy' % name for name in snames]
for name in snames:
node = self.h5file.get_node('/', name)
del node.flavor
# Check the copied flavors right after copying and after reopening.
for fmode in ['r+', 'r']:
self._reopen(fmode)
for sname, dname in zip(snames, dnames):
if fmode == 'r+':
snode = self.h5file.get_node('/', sname)
node = snode.copy('/', dname)
elif fmode == 'r':
node = self.h5file.get_node('/', dname)
self.assertEqual(node.flavor, tables.flavor.internal_flavor,
"flavor of node ``%s`` is not internal: %r"
% (node._v_pathname, node.flavor))
def test07_restrict_flavors(self):
# regression test for gh-163
all_flavors = list(tables.flavor.all_flavors)
alias_map = tables.flavor.alias_map.copy()
converter_map = tables.flavor.converter_map.copy()
identifier_map = tables.flavor.identifier_map.copy()
description_map = tables.flavor.description_map.copy()
try:
tables.flavor.restrict_flavors(keep=[])
self.assertTrue(len(tables.flavor.alias_map) < len(alias_map))
self.assertTrue(len(
tables.flavor.converter_map) < len(converter_map))
finally:
tables.flavor.all_flavors[:] = all_flavors[:]
tables.flavor.alias_map.update(alias_map)
tables.flavor.converter_map.update(converter_map)
tables.flavor.identifier_map.update(identifier_map)
tables.flavor.description_map.update(description_map)
@unittest.skipIf('win' in platform.system().lower(), 'known bug: gh-389')
@unittest.skipIf(sys.getfilesystemencoding() != 'utf-8',
'need utf-8 file-system encoding')
class UnicodeFilename(common.TempFileMixin, TestCase):
unicode_prefix = u'para\u0140lel'
def _getTempFileName(self):
return tempfile.mktemp(prefix=self.unicode_prefix, suffix='.h5')
def setUp(self):
super(UnicodeFilename, self).setUp()
self.test = self.h5file.create_array('/', 'test', [1, 2])
# So as to check the reading
self._reopen()
def test01(self):
"""Checking creating a filename with Unicode chars."""
test = self.h5file.root.test
if common.verbose:
print("Filename:", self.h5fname)
print("Array:", test[:])
print("Should look like:", [1, 2])
self.assertEqual(test[:], [1, 2], "Values does not match.")
def test02(self):
"""Checking tables.is_hdf5_file with a Unicode filename."""
self.h5file.close()
if common.verbose:
print("Filename:", self.h5fname)
print(" tables.is_hdf5_file?:", tables.is_hdf5_file(self.h5fname))
self.assertTrue(tables.is_hdf5_file(self.h5fname))
def test03(self):
"""Checking is_pytables_file with a Unicode filename."""
self.h5file.close()
if common.verbose:
print("Filename:", self.h5fname)
print("is_pytables_file?:", tables.is_pytables_file(self.h5fname))
self.assertNotEqual(tables.is_pytables_file(self.h5fname), False)
@staticmethod
def _store_carray(name, data, group):
atom = tables.Atom.from_dtype(data.dtype)
node = tables.CArray(group, name, shape=data.shape, atom=atom)
node[:] = data
def test_store_and_load_with_non_ascii_attributes(self):
self.h5file.close()
self.h5file = tables.open_file(self.h5fname, "a")
root = self.h5file.root
group = self.h5file.create_group(root, 'face_data')
array_name = u'data at 40\N{DEGREE SIGN}C'
data = numpy.sinh(numpy.linspace(-1.4, 1.4, 500))
with warnings.catch_warnings():
warnings.simplefilter('ignore', NaturalNameWarning)
self._store_carray(array_name, data, group)
group = self.h5file.create_group(root, 'vertex_data')
class FilePropertyTestCase(TestCase):
def setUp(self):
super(FilePropertyTestCase, self).setUp()
self.h5fname = tempfile.mktemp(".h5")
self.h5file = None
def tearDown(self):
if self.h5file:
self.h5file.close()
if os.path.exists(self.h5fname):
os.remove(self.h5fname)
super(FilePropertyTestCase, self).tearDown()
def test_get_filesize(self):
data = numpy.zeros((2000, 2000))
datasize = numpy.prod(data.shape) * data.dtype.itemsize
self.h5file = tables.open_file(self.h5fname, mode="w")
self.h5file.create_array(self.h5file.root, 'array', data)
h5_filesize = self.h5file.get_filesize()
self.h5file.close()
fs_filesize = os.stat(self.h5fname)[6]
self.assertTrue(h5_filesize >= datasize)
self.assertEqual(h5_filesize, fs_filesize)
def test01_null_userblock_size(self):
self.h5file = tables.open_file(self.h5fname, mode="w")
self.h5file.create_array(self.h5file.root, 'array', [1, 2])
self.assertEqual(self.h5file.get_userblock_size(), 0)
def test02_null_userblock_size(self):
self.h5file = tables.open_file(self.h5fname, mode="w")
self.h5file.create_array(self.h5file.root, 'array', [1, 2])
self.h5file.close()
self.h5file = tables.open_file(self.h5fname, mode="r")
self.assertEqual(self.h5file.get_userblock_size(), 0)
def test03_null_userblock_size(self):
USER_BLOCK_SIZE = 0
self.h5file = tables.open_file(
self.h5fname, mode="w", user_block_size=USER_BLOCK_SIZE)
self.h5file.create_array(self.h5file.root, 'array', [1, 2])
self.assertEqual(self.h5file.get_userblock_size(), 0)
def test01_userblock_size(self):
USER_BLOCK_SIZE = 512
self.h5file = tables.open_file(
self.h5fname, mode="w", user_block_size=USER_BLOCK_SIZE)
self.h5file.create_array(self.h5file.root, 'array', [1, 2])
self.assertEqual(self.h5file.get_userblock_size(), USER_BLOCK_SIZE)
def test02_userblock_size(self):
USER_BLOCK_SIZE = 512
self.h5file = tables.open_file(
self.h5fname, mode="w", user_block_size=USER_BLOCK_SIZE)
self.h5file.create_array(self.h5file.root, 'array', [1, 2])
self.h5file.close()
self.h5file = tables.open_file(self.h5fname, mode="r")
self.assertEqual(self.h5file.get_userblock_size(), USER_BLOCK_SIZE)
def test_small_userblock_size(self):
USER_BLOCK_SIZE = 12
self.assertRaises(ValueError, tables.open_file, self.h5fname, mode="w",
user_block_size=USER_BLOCK_SIZE)
def test_invalid_userblock_size(self):
USER_BLOCK_SIZE = 1025
self.assertRaises(ValueError, tables.open_file, self.h5fname, mode="w",
user_block_size=USER_BLOCK_SIZE)
# Test for reading a file that uses Blosc and created on a big-endian platform
@unittest.skipIf(not common.blosc_avail, 'Blosc not available')
class BloscBigEndian(common.TestFileMixin, TestCase):
h5fname = TestCase._testFilename("blosc_bigendian.h5")
def test00_bigendian(self):
"""Checking compatibility with Blosc on big-endian machines."""
# Check that we can read the contents without problems (nor warnings!)
for dset_name in ('i1', 'i2', 'i4', 'i8'):
a = numpy.arange(10, dtype=dset_name)
dset = self.h5file.get_node('/'+dset_name)
self.assertTrue(common.allequal(a, dset[:]),
"Error in big-endian data!")
# Case test for Blosc and subprocesses (via multiprocessing module)
# The worker function for the subprocess (needs to be here because Windows
# has problems pickling nested functions with the multiprocess module :-/)
def _worker(fn, qout=None):
fp = tables.open_file(fn)
if common.verbose:
print("About to load: ", fn)
rows = fp.root.table.where('(f0 < 10)')
if common.verbose:
print("Got the iterator, about to iterate")
next(rows)
if common.verbose:
print("Succeeded in one iteration\n")
fp.close()
if qout is not None:
qout.put("Done")
# From: Yaroslav Halchenko <debian@onerussian.com>
# Subject: Skip the unittest on kFreeBSD and Hurd -- locking seems to
# be N/A
#
# on kfreebsd /dev/shm is N/A
# on Hurd -- inter-process semaphore locking is N/A
@unittest.skipIf(not multiprocessing_imported,
'multiprocessing module not available')
@unittest.skipIf(platform.system().lower() in ('gnu', 'gnu/kfreebsd'),
"multiprocessing module is not supported on Hurd/kFreeBSD")
@unittest.skipIf(not common.blosc_avail, 'Blosc not available')
class BloscSubprocess(TestCase):
def test_multiprocess(self):
# Create a relatively large table with Blosc level 9 (large blocks)
h5fname = tempfile.mktemp(prefix="multiproc-blosc9-", suffix=".h5")
try:
size = int(3e5)
sa = numpy.fromiter(((i, i**2, i//3)
for i in xrange(size)), 'i4,i8,f8')
with tables.open_file(h5fname, 'w') as h5file:
h5file.create_table(
h5file.root, 'table', sa,
filters=tables.Filters(complevel=9, complib="blosc"),
chunkshape=(size // 3,))
if common.verbose:
print("**** Running from main process:")
_worker(h5fname)
if common.verbose:
print("**** Running from subprocess:")
try:
qout = mp.Queue()
except OSError:
print("Permission denied due to /dev/shm settings")
else:
ps = mp.Process(target=_worker, args=(h5fname, qout,))
ps.daemon = True
ps.start()
result = qout.get()
if common.verbose:
print(result)
finally:
os.remove(h5fname)
class HDF5ErrorHandling(TestCase):
def setUp(self):
super(HDF5ErrorHandling, self).setUp()
self._old_policy = tables.HDF5ExtError.DEFAULT_H5_BACKTRACE_POLICY
def tearDown(self):
tables.HDF5ExtError.DEFAULT_H5_BACKTRACE_POLICY = self._old_policy
super(HDF5ErrorHandling, self).tearDown()
def test_silence_messages(self):
code = """
import tables
tables.silence_hdf5_messages(False)
tables.silence_hdf5_messages()
try:
tables.open_file(r'%s')
except tables.HDF5ExtError, e:
pass
"""
filename = tempfile.mktemp(prefix="hdf5-error-handling-", suffix=".py")
try:
with open(filename, 'w') as fp:
fp.write(code % filename)
p = subprocess.Popen([sys.executable, filename],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
(stdout, stderr) = p.communicate()
self.assertFalse("HDF5-DIAG" in stderr.decode('ascii'))
finally:
os.remove(filename)
def test_enable_messages(self):
code = """
import tables
tables.silence_hdf5_messages()
tables.silence_hdf5_messages(False)
try:
tables.open_file(r'%s')
except tables.HDF5ExtError as e:
pass
"""
filename = tempfile.mktemp(prefix="hdf5-error-handling-", suffix=".py")
try:
with open(filename, 'w') as fp:
fp.write(code % filename)
p = subprocess.Popen([sys.executable, filename],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
(stdout, stderr) = p.communicate()
self.assertTrue("HDF5-DIAG" in stderr.decode('ascii'))
finally:
os.remove(filename)
def _raise_exterror(self):
h5fname = tempfile.mktemp(".h5")
open(h5fname, 'wb').close()
try:
h5file = tables.open_file(h5fname)
h5file.close()
finally:
os.remove(h5fname)
def test_h5_backtrace_quiet(self):
tables.HDF5ExtError.DEFAULT_H5_BACKTRACE_POLICY = True
with self.assertRaises(tables.HDF5ExtError) as cm:
self._raise_exterror()
self.assertFalse(cm.exception.h5backtrace is None)
def test_h5_backtrace_verbose(self):
tables.HDF5ExtError.DEFAULT_H5_BACKTRACE_POLICY = "VERBOSE"
with self.assertRaises(tables.HDF5ExtError) as cm:
self._raise_exterror()
self.assertFalse(cm.exception.h5backtrace is None)
msg = str(cm.exception)
self.assertTrue(cm.exception.h5backtrace[-1][-1] in msg)
def test_h5_backtrace_ignore(self):
tables.HDF5ExtError.DEFAULT_H5_BACKTRACE_POLICY = False
with self.assertRaises(tables.HDF5ExtError) as cm:
self._raise_exterror()
self.assertTrue(cm.exception.h5backtrace is None)
class TestDescription(TestCase):
def test_isdescription_inheritance(self):
# Regression test for gh-65
class TestDescParent(IsDescription):
c = Int32Col()
class TestDesc(TestDescParent):
pass
self.assertTrue('c' in TestDesc.columns)
def test_descr_from_dtype(self):
t = numpy.dtype([('col1', 'int16'), ('col2', float)])
descr, byteorder = descr_from_dtype(t)
self.assertTrue('col1' in descr._v_colobjects)
self.assertTrue('col2' in descr._v_colobjects)
self.assertEqual(len(descr._v_colobjects), 2)
self.assertTrue(isinstance(descr._v_colobjects['col1'], Col))
self.assertTrue(isinstance(descr._v_colobjects['col2'], Col))
self.assertEqual(descr._v_colobjects['col1'].dtype, numpy.int16)
self.assertEqual(descr._v_colobjects['col2'].dtype, float)
def test_descr_from_dtype_rich_dtype(self):
header = [(('timestamp', 't'), 'u4'),
(('unit (cluster) id', 'unit'), 'u2')]
t = numpy.dtype(header)
descr, byteorder = descr_from_dtype(t)
self.assertEqual(len(descr._v_names), 2)
self.assertEqual(sorted(descr._v_names), ['t', 'unit'])
def test_descr_from_dtype_comp_01(self):
d1 = numpy.dtype([
('x', 'int16'),
('y', 'int16'),
])
d_comp = numpy.dtype([
('time', 'float64'),
('value', d1)
#('value', (d1, (1,)))
])
descr, byteorder = descr_from_dtype(d_comp)
self.assertTrue(descr._v_is_nested)
self.assertTrue('time' in descr._v_colobjects)
self.assertTrue('value' in descr._v_colobjects)
self.assertEqual(len(descr._v_colobjects), 2)
self.assertTrue(isinstance(descr._v_colobjects['time'], Col))
self.assertTrue(isinstance(descr._v_colobjects['value'],
tables.Description))
self.assertEqual(descr._v_colobjects['time'].dtype, numpy.float64)
def test_descr_from_dtype_comp_02(self):
d1 = numpy.dtype([
('x', 'int16'),
('y', 'int16'),
])
d_comp = numpy.dtype([
('time', 'float64'),
('value', (d1, (1,)))
])
with self.assertWarns(UserWarning):
descr, byteorder = descr_from_dtype(d_comp)
self.assertTrue(descr._v_is_nested)
self.assertTrue('time' in descr._v_colobjects)
self.assertTrue('value' in descr._v_colobjects)
self.assertEqual(len(descr._v_colobjects), 2)
self.assertTrue(isinstance(descr._v_colobjects['time'], Col))
self.assertTrue(isinstance(descr._v_colobjects['value'],
tables.Description))
self.assertEqual(descr._v_colobjects['time'].dtype, numpy.float64)
def test_dtype_from_descr_is_description(self):
# See gh-152
class TestDescParent(IsDescription):
col1 = Int16Col()
col2 = FloatCol()
dtype = numpy.dtype([('col1', 'int16'), ('col2', float)])
t = dtype_from_descr(TestDescParent)
self.assertEqual(t, dtype)
def test_dtype_from_descr_is_description_instance(self):
# See gh-152
class TestDescParent(IsDescription):
col1 = Int16Col()
col2 = FloatCol()
dtype = numpy.dtype([('col1', 'int16'), ('col2', float)])
t = dtype_from_descr(TestDescParent())
self.assertEqual(t, dtype)
def test_dtype_from_descr_description_instance(self):
# See gh-152
class TestDescParent(IsDescription):
col1 = Int16Col()
col2 = FloatCol()
dtype = numpy.dtype([('col1', 'int16'), ('col2', float)])
desctiption = Description(TestDescParent().columns)
t = dtype_from_descr(desctiption)
self.assertEqual(t, dtype)
def test_dtype_from_descr_dict(self):
# See gh-152
dtype = numpy.dtype([('col1', 'int16'), ('col2', float)])
t = dtype_from_descr({'col1': Int16Col(), 'col2': FloatCol()})
self.assertEqual(t, dtype)
def test_dtype_from_descr_invalid_type(self):
# See gh-152
self.assertRaises(ValueError, dtype_from_descr, [])
def test_dtype_from_descr_byteorder(self):
# See gh-152
class TestDescParent(IsDescription):
col1 = Int16Col()
col2 = FloatCol()
t = dtype_from_descr(TestDescParent, byteorder='>')
self.assertEqual(t['col1'].byteorder, '>')
self.assertEqual(t['col2'].byteorder, '>')
def test_str_names(self):
# see gh-42
d = {'name': tables.Int16Col()}
descr = Description(d)
self.assertEqual(sorted(descr._v_names), sorted(d.keys()))
self.assertTrue(isinstance(descr._v_dtype, numpy.dtype))
self.assertTrue(sorted(descr._v_dtype.fields.keys()),
sorted(d.keys()))
@unittest.skipIf(sys.version_info >= (3,), 'requires Python 2')
def test_unicode_names(self):
# see gh-42
# the name used is a valid ASCII identifier passed as unicode
# string
d = {unicode('name'): tables.Int16Col()}
descr = Description(d)
self.assertEqual(sorted(descr._v_names), sorted(d.keys()))
self.assertTrue(isinstance(descr._v_dtype, numpy.dtype))
keys = []
for key in d.keys():
if isinstance(key, unicode):
keys.append(key.encode())
else:
keys.append(key)
self.assertTrue(sorted(descr._v_dtype.fields.keys()), sorted(keys))
class TestAtom(TestCase):
def test_atom_attributes01(self):
shape = (10, 10)
a = Float64Atom(shape=shape)
self.assertEqual(a.dflt, 0.)
self.assertEqual(a.dtype, numpy.dtype((numpy.float64, shape)))
self.assertEqual(a.itemsize, a.dtype.base.itemsize)
self.assertEqual(a.kind, 'float')
self.assertEqual(a.ndim, len(shape))
# self.assertEqual(a.recarrtype, )
self.assertEqual(a.shape, shape)
self.assertEqual(a.size, a.itemsize * numpy.prod(shape))
self.assertEqual(a.type, 'float64')
def test_atom_copy01(self):
shape = (10, 10)
a = Float64Atom(shape=shape)
aa = a.copy()
self.assertEqual(aa.shape, shape)
def test_atom_copy02(self):
dflt = 2.0
a = Float64Atom(dflt=dflt)
aa = a.copy()
self.assertEqual(aa.dflt, dflt)
def test_atom_copy_override(self):
shape = (10, 10)
dflt = 2.0
a = Float64Atom(shape=shape, dflt=dflt)
aa = a.copy(dflt=-dflt)
self.assertEqual(aa.shape, shape)
self.assertNotEqual(aa.dflt, dflt)
self.assertEqual(aa.dflt, -dflt)
class TestCol(TestCase):
def test_col_copy01(self):
shape = (10, 10)
c = Float64Col(shape=shape)
cc = c.copy()
self.assertEqual(cc.shape, shape)
def test_col_copy02(self):
dflt = 2.0
c = Float64Col(dflt=dflt)
cc = c.copy()
self.assertEqual(cc.dflt, dflt)
def test_col_copy_override(self):
shape = (10, 10)
dflt = 2.0
pos = 3
c = Float64Col(shape=shape, dflt=dflt, pos=pos)
cc = c.copy(pos=2)
self.assertEqual(cc.shape, shape)
self.assertEqual(cc.dflt, dflt)
self.assertNotEqual(cc._v_pos, pos)
self.assertEqual(cc._v_pos, 2)
class TestSysattrCompatibility(TestCase):
def test_open_python2(self):
h5fname = self._testFilename("python2.h5")
with tables.open_file(h5fname, "r") as h5file:
self.assertTrue(h5file.isopen)
def test_open_python3(self):
h5fname = self._testFilename("python3.h5")
with tables.open_file(h5fname, "r") as h5file:
self.assertTrue(h5file.isopen)
def suite():
theSuite = unittest.TestSuite()
niter = 1
for i in range(niter):
theSuite.addTest(unittest.makeSuite(OpenFileFailureTestCase))
theSuite.addTest(unittest.makeSuite(NodeCacheOpenFile))
theSuite.addTest(unittest.makeSuite(NoNodeCacheOpenFile))
theSuite.addTest(unittest.makeSuite(DictNodeCacheOpenFile))
theSuite.addTest(unittest.makeSuite(CheckFileTestCase))
theSuite.addTest(unittest.makeSuite(ThreadingTestCase))
theSuite.addTest(unittest.makeSuite(PythonAttrsTestCase))
theSuite.addTest(unittest.makeSuite(StateTestCase))
theSuite.addTest(unittest.makeSuite(FlavorTestCase))
theSuite.addTest(unittest.makeSuite(UnicodeFilename))
theSuite.addTest(unittest.makeSuite(FilePropertyTestCase))
theSuite.addTest(unittest.makeSuite(BloscBigEndian))
theSuite.addTest(unittest.makeSuite(BloscSubprocess))
theSuite.addTest(unittest.makeSuite(HDF5ErrorHandling))
theSuite.addTest(unittest.makeSuite(TestDescription))
theSuite.addTest(unittest.makeSuite(TestAtom))
theSuite.addTest(unittest.makeSuite(TestCol))
theSuite.addTest(unittest.makeSuite(TestSysattrCompatibility))
return theSuite
if __name__ == '__main__':
common.parse_argv(sys.argv)
common.print_versions()
unittest.main(defaultTest='suite')
## Local Variables:
## mode: python
## End:
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