Fix HTTP requests not timing out

Author: emyller

flagsmith/flagsmith.py

@@ -49,7 +49,7 @@ def __init__(
         api_url: typing.Optional[str] = None,
         realtime_api_url: typing.Optional[str] = None,
         custom_headers: typing.Optional[typing.Dict[str, typing.Any]] = None,
-        request_timeout_seconds: typing.Optional[int] = None,
+        request_timeout_seconds: typing.Optional[int] = 10,
         enable_local_evaluation: bool = False,
         environment_refresh_interval_seconds: typing.Union[int, float] = 60,
         retries: typing.Optional[Retry] = None,

tests/test_flagsmith.py

@@ -278,6 +278,36 @@ def test_non_200_response_raises_flagsmith_api_error(flagsmith: Flagsmith) -> No
     # expected exception raised
 
 
+@pytest.mark.parametrize('settings, expected_timeout', [
+    ({'request_timeout_seconds': 5}, 5),  # Arbitrary timeout
+    ({'request_timeout_seconds': None}, None),  # No timeout is forced
+    ({}, 10),  # Default timeout
+])
+def test_request_times_out_according_to_setting(
+    mocker: MockerFixture,
+    api_key: str,
+    settings: dict,
+    expected_timeout: int | None,
+):
+    # Given
+    session = mocker.patch("flagsmith.flagsmith.requests.Session").return_value
+    flagsmith = Flagsmith(
+        environment_key=api_key,
+        enable_local_evaluation=False,
+        **settings,
+    )
+
+    # When
+    flagsmith.get_environment_flags()
+
+    # Then
+    session.get.assert_called_once_with(
+        'https://edge.api.flagsmith.com/api/v1/flags/',
+        json=None,
+        timeout=expected_timeout,
+    )
+
+
 @responses.activate()
 def test_default_flag_is_used_when_no_environment_flags_returned(api_key: str) -> None:
     # Given