Add typing to ``unittest_config`` (#7404)

2 files changed, 18 insertions, 10 deletions

diff --git a/pylint/config/option.py b/pylint/config/option.py
index 5043fe765..1cef7aba2 100644
--- a/pylint/config/option.py
+++ b/pylint/config/option.py
@@ -9,25 +9,33 @@ import optparse  # pylint: disable=deprecated-module
 import pathlib
 import re
 import warnings
+from collections.abc import Sequence
 from re import Pattern
+from typing import Any
 
 from pylint import utils
 
 
 # pylint: disable=unused-argument
-def _csv_validator(_, name, value):
+def _csv_validator(
+    _: Any, name: str, value: str | list[str] | tuple[str]
+) -> Sequence[str]:
     return utils._check_csv(value)
 
 
 # pylint: disable=unused-argument
-def _regexp_validator(_, name, value):
+def _regexp_validator(
+    _: Any, name: str, value: str | re.Pattern[str]
+) -> re.Pattern[str]:
     if hasattr(value, "pattern"):
-        return value
+        return value  # type: ignore[return-value]
     return re.compile(value)
 
 
 # pylint: disable=unused-argument
-def _regexp_csv_validator(_, name, value):
+def _regexp_csv_validator(
+    _: Any, name: str, value: str | list[str]
+) -> list[re.Pattern[str]]:
     return [_regexp_validator(_, name, val) for val in _csv_validator(_, name, value)]
 
 
diff --git a/tests/config/unittest_config.py b/tests/config/unittest_config.py
index a75de41bb..343663602 100644
--- a/tests/config/unittest_config.py
+++ b/tests/config/unittest_config.py
@@ -17,19 +17,19 @@ from pylint.typing import MessageDefinitionTuple
 
 
 def test__regexp_validator_valid() -> None:
-    result = config.option._regexp_validator(None, None, "test_.*")
+    result = config.option._regexp_validator(None, "", "test_.*")
     assert isinstance(result, re.Pattern)
     assert result.pattern == "test_.*"
 
 
 def test__regexp_validator_invalid() -> None:
     with pytest.raises(re.error):
-        config.option._regexp_validator(None, None, "test_)")
+        config.option._regexp_validator(None, "", "test_)")
 
 
 def test__csv_validator_no_spaces() -> None:
     values = ["One", "Two", "Three"]
-    result = config.option._csv_validator(None, None, ",".join(values))
+    result = config.option._csv_validator(None, "", ",".join(values))
     assert isinstance(result, list)
     assert len(result) == 3
     for i, value in enumerate(values):
@@ -38,7 +38,7 @@ def test__csv_validator_no_spaces() -> None:
 
 def test__csv_validator_spaces() -> None:
     values = ["One", "Two", "Three"]
-    result = config.option._csv_validator(None, None, ", ".join(values))
+    result = config.option._csv_validator(None, "", ", ".join(values))
     assert isinstance(result, list)
     assert len(result) == 3
     for i, value in enumerate(values):
@@ -47,7 +47,7 @@ def test__csv_validator_spaces() -> None:
 
 def test__regexp_csv_validator_valid() -> None:
     pattern_strings = ["test_.*", "foo\\.bar", "^baz$"]
-    result = config.option._regexp_csv_validator(None, None, ",".join(pattern_strings))
+    result = config.option._regexp_csv_validator(None, "", ",".join(pattern_strings))
     for i, regex in enumerate(result):
         assert isinstance(regex, re.Pattern)
         assert regex.pattern == pattern_strings[i]
@@ -56,7 +56,7 @@ def test__regexp_csv_validator_valid() -> None:
 def test__regexp_csv_validator_invalid() -> None:
     pattern_strings = ["test_.*", "foo\\.bar", "^baz)$"]
     with pytest.raises(re.error):
-        config.option._regexp_csv_validator(None, None, ",".join(pattern_strings))
+        config.option._regexp_csv_validator(None, "", ",".join(pattern_strings))
 
 
 class TestPyLinterOptionSetters(CheckerTestCase):