diff --git a/tests/rust-python-harness/strategies/unit_tests/rust_runner.py b/tests/rust-python-harness/strategies/unit_tests/rust_runner.py
new file mode 100644
index 00000000000..6b855adbc4b
--- /dev/null
+++ b/tests/rust-python-harness/strategies/unit_tests/rust_runner.py
@@ -0,0 +1,13 @@
+from __future__ import annotations
+
+import re
+from pathlib import Path
+
+_RUST_TEST_PATTERN = re.compile(
+    r"#\[(?:test|tokio::test)\][^\n]*\n(?:[^\n]*\n)*?\s*(?:async\s+)?fn\s+(\w+)\s*\("
+)
+
+
+def enumerate_rust_tests(repo_root: Path, relative_path: str) -> frozenset[str]:
+    source = (repo_root / relative_path).read_text(encoding="utf-8")
+    return frozenset(match.group(1) for match in _RUST_TEST_PATTERN.finditer(source))