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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

import inspect

from twisted.python.deprecate import _passedSignature
from twisted.trial.unittest import SynchronousTestCase


class KeywordOnlyTests(SynchronousTestCase):
    """
    Keyword only arguments (PEP 3102).
    """
    def checkPassed(self, func, *args, **kw):
        """
        Test an invocation of L{passed} with the given function, arguments, and
        keyword arguments.

        @param func: A function whose argspec to pass to L{_passed}.
        @type func: A callable.

        @param args: The arguments which could be passed to L{func}.

        @param kw: The keyword arguments which could be passed to L{func}.

        @return: L{_passed}'s return value
        @rtype: L{dict}
        """
        return _passedSignature(inspect.signature(func), args, kw)


    def test_passedKeywordOnly(self):
        """
        Keyword only arguments follow varargs.
        They are specified in PEP 3102.
        """
        def func1(*a, b=True):
            """
            b is a keyword-only argument, with a default value.
            """

        def func2(*a, b=True, c, d, e):
            """
            b, c, d, e  are keyword-only arguments.
            b has a default value.
            """

        self.assertEqual(self.checkPassed(func1, 1, 2, 3),
                         dict(a=(1, 2, 3), b=True))
        self.assertEqual(self.checkPassed(func1, 1, 2, 3, b=False),
                         dict(a=(1, 2, 3), b=False))
        self.assertEqual(self.checkPassed(func2,
                         1, 2, b=False, c=1, d=2, e=3),
                         dict(a=(1, 2), b=False, c=1, d=2, e=3))
        self.assertRaises(TypeError, self.checkPassed,
                          func2, 1, 2, b=False, c=1, d=2)

Filemanager

Name Type Size Permission Actions
__pycache__ Folder 0755
__init__.py File 42 B 0644
_deprecatetests.py.3only File 1.77 KB 0644
deprecatedattributes.py File 571 B 0644
modules_helpers.py File 1.57 KB 0644
pullpipe.py File 1.19 KB 0644
test_appdirs.py File 1.06 KB 0644
test_components.py File 25.37 KB 0644
test_constants.py File 37.22 KB 0644
test_deprecate.py File 38.02 KB 0644
test_dist3.py File 1.81 KB 0644
test_fakepwd.py File 13.78 KB 0644
test_htmlizer.py File 1.24 KB 0644
test_inotify.py File 3.55 KB 0644
test_release.py File 40.08 KB 0644
test_runtime.py File 7.74 KB 0644
test_sendmsg.py File 25.25 KB 0644
test_setup.py File 11.78 KB 0644
test_shellcomp.py File 21.32 KB 0644
test_syslog.py File 4.83 KB 0644
test_systemd.py File 6.25 KB 0644
test_textattributes.py File 712 B 0644
test_tzhelper.py File 3.89 KB 0644
test_url.py File 29.23 KB 0644
test_urlpath.py File 10.09 KB 0644
test_util.py File 35.55 KB 0644
test_versions.py File 5.27 KB 0644
test_zippath.py File 3.39 KB 0644
test_zipstream.py File 11.88 KB 0644