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[3.12] gh-89392: Use unittest test runner for doctests in test_getopt (GH-108916) by miss-islington · Pull Request #108919 · python/cpython · GitHub

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[3.12] gh-89392: Use unittest test runner for doctests in test_getopt (GH-108916) #108919

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Yhg1s merged 1 commit into from
Sep 8, 2023
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[3.12] gh-89392: Use unittest test runner for doctests in test_getopt (GH-108916) #108919

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71 changes: 36 additions & 35 deletions Lib/test/test_getopt.py
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
# test_getopt.py
# David Goodger <dgoodger@bigfoot.com> 2000-08-19

from test.support import verbose, run_doctest
from test.support.os_helper import EnvironmentVarGuard
import doctest
import unittest

import getopt
Expand Down Expand Up @@ -134,48 +134,49 @@ def test_gnu_getopt(self):
self.assertEqual(opts, [('-a', '')])
self.assertEqual(args, ['arg1', '-b', '1', '--alpha', '--beta=2'])

def test_libref_examples(self):
s = """
Examples from the Library Reference: Doc/lib/libgetopt.tex
def test_issue4629(self):
longopts, shortopts = getopt.getopt(['--help='], '', ['help='])
self.assertEqual(longopts, [('--help', '')])
longopts, shortopts = getopt.getopt(['--help=x'], '', ['help='])
self.assertEqual(longopts, [('--help', 'x')])
self.assertRaises(getopt.GetoptError, getopt.getopt, ['--help='], '', ['help'])

An example using only Unix style options:
def test_libref_examples():
"""
Examples from the Library Reference: Doc/lib/libgetopt.tex

An example using only Unix style options:

>>> import getopt
>>> args = '-a -b -cfoo -d bar a1 a2'.split()
>>> args
['-a', '-b', '-cfoo', '-d', 'bar', 'a1', 'a2']
>>> optlist, args = getopt.getopt(args, 'abc:d:')
>>> optlist
[('-a', ''), ('-b', ''), ('-c', 'foo'), ('-d', 'bar')]
>>> args
['a1', 'a2']

Using long option names is equally easy:
>>> import getopt
>>> args = '-a -b -cfoo -d bar a1 a2'.split()
>>> args
['-a', '-b', '-cfoo', '-d', 'bar', 'a1', 'a2']
>>> optlist, args = getopt.getopt(args, 'abc:d:')
>>> optlist
[('-a', ''), ('-b', ''), ('-c', 'foo'), ('-d', 'bar')]
>>> args
['a1', 'a2']

Using long option names is equally easy:

>>> s = '--condition=foo --testing --output-file abc.def -x a1 a2'
>>> args = s.split()
>>> args
['--condition=foo', '--testing', '--output-file', 'abc.def', '-x', 'a1', 'a2']
>>> optlist, args = getopt.getopt(args, 'x', [
... 'condition=', 'output-file=', 'testing'])
>>> optlist
[('--condition', 'foo'), ('--testing', ''), ('--output-file', 'abc.def'), ('-x', '')]
>>> args
['a1', 'a2']
"""

import types
m = types.ModuleType("libreftest", s)
run_doctest(m, verbose)
>>> s = '--condition=foo --testing --output-file abc.def -x a1 a2'
>>> args = s.split()
>>> args
['--condition=foo', '--testing', '--output-file', 'abc.def', '-x', 'a1', 'a2']
>>> optlist, args = getopt.getopt(args, 'x', [
... 'condition=', 'output-file=', 'testing'])
>>> optlist
[('--condition', 'foo'), ('--testing', ''), ('--output-file', 'abc.def'), ('-x', '')]
>>> args
['a1', 'a2']
"""

def load_tests(loader, tests, pattern):
tests.addTest(doctest.DocTestSuite())
return tests

def test_issue4629(self):
longopts, shortopts = getopt.getopt(['--help='], '', ['help='])
self.assertEqual(longopts, [('--help', '')])
longopts, shortopts = getopt.getopt(['--help=x'], '', ['help='])
self.assertEqual(longopts, [('--help', 'x')])
self.assertRaises(getopt.GetoptError, getopt.getopt, ['--help='], '', ['help'])

if __name__ == "__main__":
unittest.main()
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