1 files changed, 26 insertions, 0 deletions
diff --git a/gitlint-core/gitlint/tests/test_deprecation.py b/gitlint-core/gitlint/tests/test_deprecation.py
new file mode 100644
index 0000000..bfe5934
--- /dev/null
+++ b/gitlint-core/gitlint/tests/test_deprecation.py
@@ -0,0 +1,26 @@
+from gitlint.config import LintConfig
+from gitlint.deprecation import Deprecation
+from gitlint.rules import IgnoreByTitle
+from gitlint.tests.base import (
+    EXPECTED_REGEX_STYLE_SEARCH_DEPRECATION_WARNING,
+    BaseTestCase,
+)
+
+
+class DeprecationTests(BaseTestCase):
+    def test_get_regex_method(self):
+        config = LintConfig()
+        Deprecation.config = config
+        rule = IgnoreByTitle({"regex": "^Releäse(.*)"})
+
+        # When general.regex-style-search=True, we expect regex.search to be returned and no warning to be logged
+        config.regex_style_search = True
+        regex_method = Deprecation.get_regex_method(rule, rule.options["regex"])
+        self.assertEqual(regex_method, rule.options["regex"].value.search)
+        self.assert_logged([])
+
+        # When general.regex-style-search=False, we expect regex.match to be returned and a warning to be logged
+        config.regex_style_search = False
+        regex_method = Deprecation.get_regex_method(rule, rule.options["regex"])
+        self.assertEqual(regex_method, rule.options["regex"].value.match)
+        self.assert_logged([EXPECTED_REGEX_STYLE_SEARCH_DEPRECATION_WARNING.format("I1", "ignore-by-title")])