v0.15.9

src/engine/tests.rs

@@ -306,12 +306,15 @@ mod tests {
     }
 
     #[test]
-    fn flow_change_gate_ignores_first_observation_and_detects_later_change() {
+    fn flow_change_gate_latches_until_action_ack_or_input_reset() {
         let mut state = crate::models::FlowRuntimeNodeState::default();
-        assert!(!flow_change_gate_update(&mut state, json!("off")));
-        assert!(!flow_change_gate_update(&mut state, json!("off")));
-        assert!(flow_change_gate_update(&mut state, json!("on")));
-        assert!(!flow_change_gate_update(&mut state, json!("on")));
+        assert_eq!(flow_change_gate_update(&mut state, json!(false), false), (false, false));
+        assert_eq!(flow_change_gate_update(&mut state, json!(true), true), (true, true));
+        assert_eq!(flow_change_gate_update(&mut state, json!(true), true), (false, true));
+        state.pending = false;
+        assert_eq!(flow_change_gate_update(&mut state, json!(true), true), (false, false));
+        state.pending = true;
+        assert_eq!(flow_change_gate_update(&mut state, json!(false), false), (true, false));
     }
 
     #[test]
@@ -337,30 +340,27 @@ mod tests {
     }
 
     #[test]
-    fn flow_rolling_statistics_compute_mean_median_and_prune_window() {
+    fn flow_rolling_statistics_require_a_full_window_and_prune_samples() {
         let mut state = crate::models::FlowRuntimeNodeState::default();
         let start = Utc.with_ymd_and_hms(2026, 9, 2, 12, 0, 0).unwrap();
-        assert_eq!(
-            flow_rolling_stat_update(&mut state, 10.0, 60, "mean", start),
-            Some(10.0)
-        );
+        assert_eq!(flow_rolling_stat_update(&mut state, 10.0, 60, "mean", start), None);
         assert_eq!(
             flow_rolling_stat_update(
                 &mut state,
                 20.0,
                 60,
                 "mean",
-                start + chrono::Duration::seconds(10)
+                start + chrono::Duration::seconds(30)
             ),
-            Some(15.0)
+            None
         );
         assert_eq!(
             flow_rolling_stat_update(
                 &mut state,
                 30.0,
                 60,
-                "median",
-                start + chrono::Duration::seconds(20)
+                "mean",
+                start + chrono::Duration::seconds(60)
             ),
             Some(20.0)
         );
@@ -370,21 +370,11 @@ mod tests {
                 40.0,
                 60,
                 "median",
-                start + chrono::Duration::seconds(30)
+                start + chrono::Duration::seconds(90)
             ),
-            Some(25.0)
+            Some(30.0)
         );
-        assert_eq!(
-            flow_rolling_stat_update(
-                &mut state,
-                100.0,
-                60,
-                "mean",
-                start + chrono::Duration::seconds(100)
-            ),
-            Some(100.0)
-        );
-        assert_eq!(state.samples.len(), 1);
+        assert_eq!(state.samples.len(), 3);
     }
 
     #[test]