Reject leading or trailing whitespace in operation names

Co-authored-by: Shri Sukhani <shrisukhani@users.noreply.github.com>

Author: cursoragent

hyperbrowser/client/polling.py

@@ -31,6 +31,10 @@ def _validate_operation_name(operation_name: str) -> None:
         raise HyperbrowserError("operation_name must be a string")
     if not operation_name.strip():
         raise HyperbrowserError("operation_name must not be empty")
+    if operation_name != operation_name.strip():
+        raise HyperbrowserError(
+            "operation_name must not contain leading or trailing whitespace"
+        )
     if any(
         ord(character) < 32 or ord(character) == 127 for character in operation_name
     ):

tests/test_polling.py

@@ -659,6 +659,17 @@ def test_polling_helpers_validate_retry_and_interval_configuration():
             retry_delay_seconds=0,
         )
 
+    with pytest.raises(
+        HyperbrowserError,
+        match="operation_name must not contain leading or trailing whitespace",
+    ):
+        retry_operation(
+            operation_name=" invalid-retry ",
+            operation=lambda: "ok",
+            max_attempts=1,
+            retry_delay_seconds=0,
+        )
+
     with pytest.raises(HyperbrowserError, match="operation_name must be a string"):
         retry_operation(
             operation_name=123,  # type: ignore[arg-type]
@@ -814,6 +825,17 @@ async def validate_async_operation_name() -> None:
                 poll_interval_seconds=0.1,
                 max_wait_seconds=1.0,
             )
+        with pytest.raises(
+            HyperbrowserError,
+            match="operation_name must not contain leading or trailing whitespace",
+        ):
+            await poll_until_terminal_status_async(
+                operation_name=" invalid-async ",
+                get_status=lambda: asyncio.sleep(0, result="completed"),
+                is_terminal_status=lambda value: value == "completed",
+                poll_interval_seconds=0.1,
+                max_wait_seconds=1.0,
+            )
         with pytest.raises(
             HyperbrowserError,
             match="operation_name must not contain control characters",