Remove set_config_directly (#6123)

ChangeLog

@@ -40,6 +40,8 @@ Release date: TBA
 
 * Fix bug where specifically enabling just ``await-outside-async`` was not possible.
 
+* The ``set_config_directly`` decorator has been removed.
+
 * Added new message called ``duplicate-value`` which identifies duplicate values inside sets.
 
   Closes #5880

doc/whatsnew/2.14.rst

@@ -48,6 +48,8 @@ Other Changes
 
 * The concept of checker priority has been removed.
 
+* The ``set_config_directly`` decorator has been removed.
+
 * Fix false negative for ``no-member`` when attempting to assign an instance
   attribute to itself without any prior assignment.
 

pylint/testutils/decorator.py

@@ -4,7 +4,6 @@
 
 import functools
 import optparse  # pylint: disable=deprecated-module
-import warnings
 
 from pylint.lint import PyLinter
 from pylint.testutils.checker_test_case import CheckerTestCase
@@ -52,38 +51,3 @@ def _forward(self, *args, **test_function_kwargs):
         return _forward
 
     return _wrapper
-
-
-def set_config_directly(**kwargs):
-    """Decorator for setting config values on a checker without validation.
-
-    Some options should be declared in two different checkers. This is
-    impossible without duplicating the option key. For example:
-    "no-docstring-rgx" in DocstringParameterChecker & DocStringChecker
-    This decorator allows to directly set such options.
-
-    Passing the args and kwargs back to the test function itself
-    allows this decorator to be used on parametrized test cases.
-    """
-    # pylint: disable=fixme
-    # TODO: Remove this function in 2.14
-    warnings.warn(
-        "The set_config_directly decorator will be removed in 2.14. To decorate "
-        "unittests you can use set_config. If this causes a duplicate KeyError "
-        "you can consider writing the tests using the functional test framework.",
-        DeprecationWarning,
-    )
-
-    def _wrapper(fun):
-        @functools.wraps(fun)
-        def _forward(self, *args, **test_function_kwargs):
-            for key, value in kwargs.items():
-                setattr(self.checker.config, key, value)
-            if isinstance(self, CheckerTestCase):
-                # reopen checker in case, it may be interested in configuration change
-                self.checker.open()
-            fun(self, *args, **test_function_kwargs)
-
-        return _forward
-
-    return _wrapper