Tests for special characters of regex nonsupported

tests/unit/templating/test_templating_util.py

@@ -1,23 +1,60 @@
+import pytest
+
 from openapi_core.templating.util import search
 
 
 class TestSearch:
     def test_endswith(self):
-        path_patter = "/{test}/test"
+        path_pattern = "/{test}/test"
         full_url_pattern = "/test1/test/test2/test"
 
-        result = search(path_patter, full_url_pattern)
+        result = search(path_pattern, full_url_pattern)
 
         assert result.named == {
             "test": "test2",
         }
 
     def test_exact(self):
-        path_patter = "/{test}/test"
+        path_pattern = "/{test}/test"
         full_url_pattern = "/test/test"
 
-        result = search(path_patter, full_url_pattern)
+        result = search(path_pattern, full_url_pattern)
 
         assert result.named == {
             "test": "test",
         }
+
+    @pytest.mark.parametrize(
+        "path_pattern,expected",
+        [
+            ("/{test_id}/test", {"test_id": "test"}),
+            ("/{test.id}/test", {"test.id": "test"}),
+        ],
+    )
+    def test_chars_valid(self, path_pattern, expected):
+        full_url_pattern = "/test/test"
+
+        result = search(path_pattern, full_url_pattern)
+
+        assert result.named == expected
+
+    @pytest.mark.xfail(
+        reason=(
+            "Special characters of regex not supported. "
+            "See https://github.com/python-openapi/openapi-core/issues/672"
+        ),
+        strict=True,
+    )
+    @pytest.mark.parametrize(
+        "path_pattern,expected",
+        [
+            ("/{test~id}/test", {"test~id": "test"}),
+            ("/{test-id}/test", {"test-id": "test"}),
+        ],
+    )
+    def test_special_chars_valid(self, path_pattern, expected):
+        full_url_pattern = "/test/test"
+
+        result = search(path_pattern, full_url_pattern)
+
+        assert result.named == expected