feat: hashable JSONPath filters

Author: jg-rp

jsonpath/selectors.py

@@ -576,7 +576,7 @@ def __eq__(self, __value: object) -> bool:
         )
 
     def __hash__(self) -> int:
-        return hash((self.expression, self.token))
+        return hash((str(self.expression), self.token))
 
     def resolve(  # noqa: PLR0912
         self, matches: Iterable[JSONPathMatch]

tests/test_ietf.py

@@ -383,3 +383,9 @@ async def coro() -> List[object]:
         return await path.findall_async(case.data)
 
     assert asyncio.run(coro()) == case.want
+
+
+@pytest.mark.parametrize("case", TEST_CASES, ids=operator.attrgetter("description"))
+def test_hash_path(env: JSONPathEnvironment, case: Case) -> None:
+    """Test that paths are hashable."""
+    hash(env.compile(case.path))