def test_on_stream_event_out_does_not_measure_latency_without_state(
self,
monitor: PrometheusMonitor,
metrics: FaustMetrics,
stream: StreamT,
event: EventT,
) -> None:
monitor.on_stream_event_out(TP1, 401, stream, event, state=None)
self.assert_doesnt_have_sample_values(metrics.events_runtime_latency,
"events_runtime_latency_total",
{})
def test_on_stream_event_out(
self,
monitor: PrometheusMonitor,
metrics: FaustMetrics,
stream: StreamT,
event: EventT,
) -> None:
n_events = 25
state = {"time_in": 101.1, "time_out": None, "time_total": None}
metrics.total_active_events.inc(n_events)
monitor.on_stream_event_out(TP1, 401, stream, event, state)
self.assert_has_sample_value(
metrics.total_active_events,
"total_active_events",
{},
n_events - 1,
)