1 files changed, 34 insertions, 0 deletions
diff --git a/tests/unittest_config.py b/tests/unittest_config.py
index 9be02fc4c..9979aa41b 100644
--- a/tests/unittest_config.py
+++ b/tests/unittest_config.py
@@ -16,10 +16,14 @@
 
 import re
 import sre_constants
+from typing import Dict, Tuple, Type
 
 import pytest
 
 from pylint import config
+from pylint.checkers import BaseChecker
+from pylint.testutils import CheckerTestCase, set_config
+from pylint.utils.utils import get_global_option
 
 RE_PATTERN_TYPE = getattr(re, "Pattern", getattr(re, "_pattern_type", None))
 
@@ -65,3 +69,33 @@ def test__regexp_csv_validator_invalid() -> None:
     pattern_strings = ["test_.*", "foo\\.bar", "^baz)$"]
     with pytest.raises(sre_constants.error):
         config.option._regexp_csv_validator(None, None, ",".join(pattern_strings))
+
+
+class TestPyLinterOptionSetters(CheckerTestCase):
+    """Class to check the set_config decorator and get_global_option util
+    for options declared in PyLinter."""
+
+    class Checker(BaseChecker):
+        name = "checker"
+        msgs: Dict[str, Tuple[str, ...]] = {}
+        options = (("An option", {"An option": "dict"}),)
+
+    CHECKER_CLASS: Type = Checker
+
+    @set_config(ignore_paths=".*/tests/.*,.*\\ignore\\.*")
+    def test_ignore_paths_with_value(self) -> None:
+        """Test ignore-paths option with value"""
+        options = get_global_option(self.checker, "ignore-paths")
+
+        assert any(i.match("dir/tests/file.py") for i in options)
+        assert any(i.match("dir\\tests\\file.py") for i in options)
+        assert any(i.match("dir/ignore/file.py") for i in options)
+        assert any(i.match("dir\\ignore\\file.py") for i in options)
+
+    def test_ignore_paths_with_no_value(self) -> None:
+        """Test ignore-paths option with no value.
+        Compare against actual list to see if validator works."""
+        options = get_global_option(self.checker, "ignore-paths")
+
+        # pylint: disable-next=use-implicit-booleaness-not-comparison
+        assert options == []