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"""
Tests of regrtest.py.
"""
import argparse
import faulthandler
import getopt
import os.path
import unittest
from test import regrtest, support
class ParseArgsTestCase(unittest.TestCase):
"""Test regrtest's argument parsing."""
def checkError(self, args, msg):
with support.captured_stderr() as err, self.assertRaises(SystemExit):
regrtest._parse_args(args)
self.assertIn(msg, err.getvalue())
def test_help(self):
for opt in '-h', '--help':
with self.subTest(opt=opt):
with support.captured_stdout() as out, \
self.assertRaises(SystemExit):
regrtest._parse_args([opt])
self.assertIn('Run Python regression tests.', out.getvalue())
@unittest.skipUnless(hasattr(faulthandler, 'dump_traceback_later'),
"faulthandler.dump_traceback_later() required")
def test_timeout(self):
ns = regrtest._parse_args(['--timeout', '4.2'])
self.assertEqual(ns.timeout, 4.2)
self.checkError(['--timeout'], 'expected one argument')
self.checkError(['--timeout', 'foo'], 'invalid float value')
def test_wait(self):
ns = regrtest._parse_args(['--wait'])
self.assertTrue(ns.wait)
def test_slaveargs(self):
ns = regrtest._parse_args(['--slaveargs', '[[], {}]'])
self.assertEqual(ns.slaveargs, '[[], {}]')
self.checkError(['--slaveargs'], 'expected one argument')
def test_start(self):
for opt in '-S', '--start':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt, 'foo'])
self.assertEqual(ns.start, 'foo')
self.checkError([opt], 'expected one argument')
def test_verbose(self):
ns = regrtest._parse_args(['-v'])
self.assertEqual(ns.verbose, 1)
ns = regrtest._parse_args(['-vvv'])
self.assertEqual(ns.verbose, 3)
ns = regrtest._parse_args(['--verbose'])
self.assertEqual(ns.verbose, 1)
ns = regrtest._parse_args(['--verbose'] * 3)
self.assertEqual(ns.verbose, 3)
ns = regrtest._parse_args([])
self.assertEqual(ns.verbose, 0)
def test_verbose2(self):
for opt in '-w', '--verbose2':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt])
self.assertTrue(ns.verbose2)
def test_verbose3(self):
for opt in '-W', '--verbose3':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt])
self.assertTrue(ns.verbose3)
def test_quiet(self):
for opt in '-q', '--quiet':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt])
self.assertTrue(ns.quiet)
self.assertEqual(ns.verbose, 0)
def test_slow(self):
for opt in '-o', '--slow':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt])
self.assertTrue(ns.print_slow)
def test_header(self):
ns = regrtest._parse_args(['--header'])
self.assertTrue(ns.header)
def test_randomize(self):
for opt in '-r', '--randomize':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt])
self.assertTrue(ns.randomize)
def test_randseed(self):
ns = regrtest._parse_args(['--randseed', '12345'])
self.assertEqual(ns.random_seed, 12345)
self.assertTrue(ns.randomize)
self.checkError(['--randseed'], 'expected one argument')
self.checkError(['--randseed', 'foo'], 'invalid int value')
def test_fromfile(self):
for opt in '-f', '--fromfile':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt, 'foo'])
self.assertEqual(ns.fromfile, 'foo')
self.checkError([opt], 'expected one argument')
self.checkError([opt, 'foo', '-s'], "don't go together")
def test_exclude(self):
for opt in '-x', '--exclude':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt])
self.assertTrue(ns.exclude)
def test_single(self):
for opt in '-s', '--single':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt])
self.assertTrue(ns.single)
self.checkError([opt, '-f', 'foo'], "don't go together")
def test_match(self):
for opt in '-m', '--match':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt, 'pattern'])
self.assertEqual(ns.match_tests, 'pattern')
self.checkError([opt], 'expected one argument')
def test_failfast(self):
for opt in '-G', '--failfast':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt, '-v'])
self.assertTrue(ns.failfast)
ns = regrtest._parse_args([opt, '-W'])
self.assertTrue(ns.failfast)
self.checkError([opt], '-G/--failfast needs either -v or -W')
def test_use(self):
for opt in '-u', '--use':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt, 'gui,network'])
self.assertEqual(ns.use_resources, ['gui', 'network'])
ns = regrtest._parse_args([opt, 'gui,none,network'])
self.assertEqual(ns.use_resources, ['network'])
expected = list(regrtest.RESOURCE_NAMES)
expected.remove('gui')
ns = regrtest._parse_args([opt, 'all,-gui'])
self.assertEqual(ns.use_resources, expected)
self.checkError([opt], 'expected one argument')
self.checkError([opt, 'foo'], 'invalid resource')
def test_memlimit(self):
for opt in '-M', '--memlimit':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt, '4G'])
self.assertEqual(ns.memlimit, '4G')
self.checkError([opt], 'expected one argument')
def test_testdir(self):
ns = regrtest._parse_args(['--testdir', 'foo'])
self.assertEqual(ns.testdir, os.path.join(support.SAVEDCWD, 'foo'))
self.checkError(['--testdir'], 'expected one argument')
def test_runleaks(self):
for opt in '-L', '--runleaks':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt])
self.assertTrue(ns.runleaks)
def test_huntrleaks(self):
for opt in '-R', '--huntrleaks':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt, ':'])
self.assertEqual(ns.huntrleaks, (5, 4, 'reflog.txt'))
ns = regrtest._parse_args([opt, '6:'])
self.assertEqual(ns.huntrleaks, (6, 4, 'reflog.txt'))
ns = regrtest._parse_args([opt, ':3'])
self.assertEqual(ns.huntrleaks, (5, 3, 'reflog.txt'))
ns = regrtest._parse_args([opt, '6:3:leaks.log'])
self.assertEqual(ns.huntrleaks, (6, 3, 'leaks.log'))
self.checkError([opt], 'expected one argument')
self.checkError([opt, '6'],
'needs 2 or 3 colon-separated arguments')
self.checkError([opt, 'foo:'], 'invalid huntrleaks value')
self.checkError([opt, '6:foo'], 'invalid huntrleaks value')
def test_multiprocess(self):
for opt in '-j', '--multiprocess':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt, '2'])
self.assertEqual(ns.use_mp, 2)
self.checkError([opt], 'expected one argument')
self.checkError([opt, 'foo'], 'invalid int value')
self.checkError([opt, '2', '-T'], "don't go together")
self.checkError([opt, '2', '-l'], "don't go together")
self.checkError([opt, '2', '-M', '4G'], "don't go together")
self.checkError([opt, '0', '-T'], "don't go together")
self.checkError([opt, '0', '-l'], "don't go together")
self.checkError([opt, '0', '-M', '4G'], "don't go together")
def test_coverage(self):
for opt in '-T', '--coverage':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt])
self.assertTrue(ns.trace)
def test_coverdir(self):
for opt in '-D', '--coverdir':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt, 'foo'])
self.assertEqual(ns.coverdir,
os.path.join(support.SAVEDCWD, 'foo'))
self.checkError([opt], 'expected one argument')
def test_nocoverdir(self):
for opt in '-N', '--nocoverdir':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt])
self.assertIsNone(ns.coverdir)
def test_threshold(self):
for opt in '-t', '--threshold':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt, '1000'])
self.assertEqual(ns.threshold, 1000)
self.checkError([opt], 'expected one argument')
self.checkError([opt, 'foo'], 'invalid int value')
def test_nowindows(self):
for opt in '-n', '--nowindows':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt])
self.assertTrue(ns.nowindows)
def test_forever(self):
for opt in '-F', '--forever':
with self.subTest(opt=opt):
ns = regrtest._parse_args([opt])
self.assertTrue(ns.forever)
def test_unrecognized_argument(self):
self.checkError(['--xxx'], 'usage:')
def test_long_option__partial(self):
ns = regrtest._parse_args(['--qui'])
self.assertTrue(ns.quiet)
self.assertEqual(ns.verbose, 0)
def test_two_options(self):
ns = regrtest._parse_args(['--quiet', '--exclude'])
self.assertTrue(ns.quiet)
self.assertEqual(ns.verbose, 0)
self.assertTrue(ns.exclude)
def test_option_with_empty_string_value(self):
ns = regrtest._parse_args(['--start', ''])
self.assertEqual(ns.start, '')
def test_arg(self):
ns = regrtest._parse_args(['foo'])
self.assertEqual(ns.args, ['foo'])
def test_option_and_arg(self):
ns = regrtest._parse_args(['--quiet', 'foo'])
self.assertTrue(ns.quiet)
self.assertEqual(ns.verbose, 0)
self.assertEqual(ns.args, ['foo'])
def test_arg_option_arg(self):
ns = regrtest._parse_args(['test_unaryop', '-v', 'test_binop'])
self.assertEqual(ns.verbose, 1)
self.assertEqual(ns.args, ['test_unaryop', 'test_binop'])
def test_unknown_option(self):
self.checkError(['--unknown-option'],
'unrecognized arguments: --unknown-option')
if __name__ == '__main__':
unittest.main()
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