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utilities_test.py
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##
# Copyright 2012-2025 Ghent University
#
# This file is part of EasyBuild,
# originally created by the HPC team of Ghent University (http://ugent.be/hpc/en),
# with support of Ghent University (http://ugent.be/hpc),
# the Flemish Supercomputer Centre (VSC) (https://www.vscentrum.be),
# Flemish Research Foundation (FWO) (http://www.fwo.be/en)
# and the Department of Economy, Science and Innovation (EWI) (http://www.ewi-vlaanderen.be/en).
#
# https://github.com/easybuilders/easybuild
#
# EasyBuild is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation v2.
#
# EasyBuild is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with EasyBuild. If not, see <http://www.gnu.org/licenses/>.
##
"""
Unit tests for utilities.py
@author: Jens Timmerman (Ghent University)
@author: Kenneth Hoste (Ghent University)
@author: Alexander Grund (TU Dresden)
"""
import os
import random
import sys
import tempfile
from datetime import datetime
from unittest import TextTestRunner
import easybuild.tools.utilities as tu
from test.framework.utilities import EnhancedTestCase, TestLoaderFiltered
from easybuild.tools import LooseVersion
from easybuild.tools.build_log import EasyBuildError
class UtilitiesTest(EnhancedTestCase):
"""Class for utilities testcases """
def setUp(self):
""" setup """
super(UtilitiesTest, self).setUp()
self.test_tmp_logdir = tempfile.mkdtemp()
os.environ['EASYBUILD_TMP_LOGDIR'] = self.test_tmp_logdir
def test_time2str(self):
"""Test time2str function."""
start = datetime(2019, 7, 30, 5, 14, 23)
test_cases = [
(start, "0 secs"),
(datetime(2019, 7, 30, 5, 14, 37), "14 secs"),
(datetime(2019, 7, 30, 5, 15, 22), "59 secs"),
(datetime(2019, 7, 30, 5, 15, 23), "1 min 0 secs"),
(datetime(2019, 7, 30, 5, 16, 22), "1 min 59 secs"),
(datetime(2019, 7, 30, 5, 16, 24), "2 mins 1 sec"),
(datetime(2019, 7, 30, 5, 37, 26), "23 mins 3 secs"),
(datetime(2019, 7, 30, 6, 14, 22), "59 mins 59 secs"),
(datetime(2019, 7, 30, 6, 14, 23), "1 hour 0 mins 0 secs"),
(datetime(2019, 7, 30, 6, 49, 14), "1 hour 34 mins 51 secs"),
(datetime(2019, 7, 30, 7, 14, 23), "2 hours 0 mins 0 secs"),
(datetime(2019, 7, 30, 8, 35, 59), "3 hours 21 mins 36 secs"),
(datetime(2019, 7, 30, 16, 29, 24), "11 hours 15 mins 1 sec"),
(datetime(2019, 7, 31, 5, 14, 22), "23 hours 59 mins 59 secs"),
(datetime(2019, 7, 31, 5, 14, 23), "24 hours 0 mins 0 secs"),
(datetime(2019, 7, 31, 5, 15, 24), "24 hours 1 min 1 sec"),
(datetime(2019, 8, 5, 20, 39, 44), "159 hours 25 mins 21 secs"),
]
for end, expected in test_cases:
self.assertEqual(tu.time2str(end - start), expected)
error_pattern = "Incorrect value type provided to time2str, should be datetime.timedelta: <.* 'int'>"
self.assertErrorRegex(EasyBuildError, error_pattern, tu.time2str, 123)
def test_natural_keys(self):
"""Test the natural_keys function"""
sorted_items = [
'ACoolSw-1.0',
'ACoolSw-2.1',
'ACoolSw-11.0',
'ACoolSw-23.0',
'ACoolSw-30.0',
'ACoolSw-30.1',
'BigNumber-1234567890',
'BigNumber-1234567891',
'NoNumbers',
'VeryLastEntry-10'
]
shuffled_items = sorted_items[:]
random.shuffle(shuffled_items)
shuffled_items.sort(key=tu.natural_keys)
self.assertEqual(shuffled_items, sorted_items)
def test_LooseVersion(self):
"""Test ordering of LooseVersion instances"""
# Simply check for the 6 comparison operators
self.assertEqual(LooseVersion('8.02'), LooseVersion('8.02'))
self.assertGreater(LooseVersion('2.02'), LooseVersion('2.01'))
self.assertGreaterEqual(LooseVersion('2.02'), LooseVersion('2.01'))
self.assertNotEqual(LooseVersion('2.02'), LooseVersion('2.01'))
self.assertLess(LooseVersion('1.02'), LooseVersion('2.01'))
self.assertLessEqual(LooseVersion('1.02'), LooseVersion('2.01'))
# Same as above but either side is a string
self.assertEqual('8.02', LooseVersion('8.02'))
self.assertEqual(LooseVersion('8.02'), '8.02')
self.assertGreater('2.02', LooseVersion('2.01'))
self.assertGreater(LooseVersion('2.02'), '2.01')
self.assertGreaterEqual('2.02', LooseVersion('2.01'))
self.assertGreaterEqual(LooseVersion('2.02'), '2.01')
self.assertNotEqual('2.02', LooseVersion('2.01'))
self.assertNotEqual(LooseVersion('2.02'), '2.01')
self.assertLess('1.02', LooseVersion('2.01'))
self.assertLess(LooseVersion('1.02'), '2.01')
self.assertLessEqual('1.02', LooseVersion('2.01'))
self.assertLessEqual(LooseVersion('1.02'), '2.01')
# Negation of all ops, i.e. verify each op can return False
self.assertFalse(LooseVersion('2.02') != '2.02')
self.assertFalse(LooseVersion('2.02') <= '2.01')
self.assertFalse(LooseVersion('2.02') < '2.01')
self.assertFalse(LooseVersion('2.02') < '2.02')
self.assertFalse(LooseVersion('2.02') == '2.03')
self.assertFalse(LooseVersion('2.02') >= '2.03')
self.assertFalse(LooseVersion('2.02') > '2.03')
self.assertFalse(LooseVersion('2.02') > '2.02')
# Some comparisons we might do: Full version on left hand side, shorter on right
self.assertGreater(LooseVersion('2.1.5'), LooseVersion('2.1'))
self.assertGreater(LooseVersion('2.1.3'), LooseVersion('2'))
self.assertGreaterEqual(LooseVersion('2.1.0'), LooseVersion('2.1'))
self.assertLess(LooseVersion('2.1.5'), LooseVersion('2.2'))
self.assertLess(LooseVersion('2.1.3'), LooseVersion('3'))
self.assertLessEqual(LooseVersion('2.1.0'), LooseVersion('2.2'))
# Missing components are either empty strings or zeroes
self.assertEqual(LooseVersion('1.0'), LooseVersion('1'))
self.assertEqual(LooseVersion('1'), LooseVersion('1.0'))
self.assertEqual(LooseVersion('1.0'), LooseVersion('1.'))
self.assertGreater(LooseVersion('2.1.a'), LooseVersion('2.1'))
self.assertGreater(LooseVersion('2.a'), LooseVersion('2'))
# checking prereleases
version_4beta = LooseVersion('4.0.0-beta')
self.assertGreater(version_4beta, LooseVersion('4.0.0'))
self.assertTrue(version_4beta.is_prerelease('4.0.0', ['-beta']))
self.assertTrue(version_4beta.is_prerelease(LooseVersion('4.0.0'), ['-beta']))
self.assertFalse(version_4beta.is_prerelease('4.0.0', ['rc']))
self.assertFalse(version_4beta.is_prerelease('4.0.0', ['rc, -beta']))
# The following test is based on the Python distutils tests
# licensed under the Python Software Foundation License Version 2
versions = (('1.5.1', '1.5.2b2', -1),
('161', '3.10a', 1),
('8.02', '8.02', 0),
('3.4j', '1996.07.12', -1),
('3.2.pl0', '3.1.1.6', 1),
('2g6', '11g', -1),
('0.960923', '2.2beta29', -1),
('1.13++', '5.5.kw', -1),
('a.12.b.c', 'a.b.3', -1),
('1.0', '1', 0),
('1.a', '1', 1),
)
for v1, v2, wanted in versions:
res = LooseVersion(v1)._cmp(LooseVersion(v2))
self.assertEqual(res, wanted,
'cmp(%s, %s) should be %s, got %s' %
(v1, v2, wanted, res))
# Test the inverse
res = LooseVersion(v2)._cmp(LooseVersion(v1))
self.assertEqual(res, -wanted,
'cmp(%s, %s) should be %s, got %s' %
(v2, v1, -wanted, res))
# vstring is the unparsed version
self.assertEqual(LooseVersion(v1).vstring, v1)
# Default/None LooseVersion cannot be compared
none_version = LooseVersion(None)
self.assertErrorRegex(TypeError, '', lambda c: none_version == LooseVersion('1'))
self.assertErrorRegex(TypeError, '', lambda c: none_version < LooseVersion(''))
self.assertErrorRegex(TypeError, '', lambda c: none_version < LooseVersion('0'))
self.assertErrorRegex(TypeError, '', lambda c: none_version > LooseVersion(''))
self.assertErrorRegex(TypeError, '', lambda c: none_version > LooseVersion('0'))
self.assertErrorRegex(TypeError, '', lambda c: none_version == '1')
self.assertErrorRegex(TypeError, '', lambda c: none_version != '1')
self.assertErrorRegex(TypeError, '', lambda c: none_version < '1')
self.assertErrorRegex(TypeError, '', lambda c: none_version > '1')
# You can check for None .version or .vstring
self.assertIsNone(none_version.version)
self.assertIsNone(none_version.vstring)
# version is the parsed version
self.assertEqual(LooseVersion('2.5').version, [2, 5])
self.assertEqual(LooseVersion('2.a.5').version, [2, 'a', 5])
self.assertEqual(LooseVersion('2.a').version, [2, 'a'])
self.assertEqual(LooseVersion('2.a5').version, [2, 'a', 5])
def test_unique_ordered_extend(self):
"""Test unique_ordered_list_append method"""
base = ["potato", "tomato", "orange"]
base_orig = base.copy()
reference = ["potato", "tomato", "orange", "apple"]
self.assertEqual(tu.unique_ordered_extend(base, ["apple"]), reference)
self.assertEqual(tu.unique_ordered_extend(base, ["apple", "apple"]), reference)
self.assertNotEqual(tu.unique_ordered_extend(base, ["apple"]), sorted(reference))
# original list should not be modified
self.assertEqual(base, base_orig)
error_pattern = "given affix list is a string"
self.assertErrorRegex(EasyBuildError, error_pattern, tu.unique_ordered_extend, base, "apple")
error_pattern = "given affix list is not iterable"
self.assertErrorRegex(EasyBuildError, error_pattern, tu.unique_ordered_extend, base, 0)
base = "potato"
error_pattern = "given base cannot be extended"
self.assertErrorRegex(EasyBuildError, error_pattern, tu.unique_ordered_extend, base, reference)
def suite():
""" return all the tests in this file """
return TestLoaderFiltered().loadTestsFromTestCase(UtilitiesTest, sys.argv[1:])
if __name__ == '__main__':
res = TextTestRunner(verbosity=1).run(suite())
sys.exit(len(res.failures))