Ausgabe der neuen DB Einträge

venv/lib/python3.9/site-packages/twisted/python/test/_deprecatetests.py.3only

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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)