1 files changed, 45 insertions, 0 deletions
diff --git a/pylint/testutils/_run.py b/pylint/testutils/_run.py
new file mode 100644
index 000000000..0ad68868f
--- /dev/null
+++ b/pylint/testutils/_run.py
@@ -0,0 +1,45 @@
+# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
+# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt
+
+"""Classes and functions used to mimic normal pylint runs.
+
+This module is considered private and can change at any time.
+"""
+
+from __future__ import annotations
+
+from collections.abc import Sequence
+from typing import Any
+
+from pylint.lint import Run as LintRun
+from pylint.lint.run import UNUSED_PARAM_SENTINEL
+from pylint.reporters.base_reporter import BaseReporter
+from pylint.testutils.lint_module_test import PYLINTRC
+
+
+def _add_rcfile_default_pylintrc(args: list[str]) -> list[str]:
+    """Add a default pylintrc with the rcfile option in a list of pylint args."""
+    if not any("--rcfile" in arg for arg in args):
+        args.insert(0, f"--rcfile={PYLINTRC}")
+    return args
+
+
+class _Run(LintRun):
+
+    """Like Run, but we're using an explicitly set empty pylintrc.
+
+    We don't want to use the project's pylintrc during tests, because
+    it means that a change in our config could break tests.
+    But we want to see if the changes to the default break tests.
+    """
+
+    def __init__(
+        self,
+        args: Sequence[str],
+        reporter: BaseReporter | None = None,
+        exit: bool = True,  # pylint: disable=redefined-builtin
+        do_exit: Any = UNUSED_PARAM_SENTINEL,
+    ) -> None:
+        args = _add_rcfile_default_pylintrc(list(args))
+        super().__init__(args, reporter, exit, do_exit)