first commit

tests/unit/test_state_machine_outcomes.py

@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from sync_state_machine.engine import StateMachineConfig, StateMachineRuntime
+
+
+CFG_PATH = Path(__file__).resolve().parents[2] / "sync_state_machine" / "config" / "node_state_machine.yaml"
+
+
+def test_all_event_outcomes_are_dispatchable() -> None:
+    cfg = StateMachineConfig.load(CFG_PATH)
+    runtime = StateMachineRuntime(cfg)
+
+    covered_events: set[str] = set()
+
+    for event_id, transition in cfg.transitions.items():
+        if not transition.outcomes:
+            continue
+
+        for idx, outcome in enumerate(transition.outcomes):
+            if outcome.to is None:
+                continue
+
+            src = next((s for s in transition.from_states if s != "*"), "*")
+            decision = runtime.dispatch(current_state=src, event_id=event_id, context=dict(outcome.when))
+            assert decision is not None, f"{event_id}[{idx}] did not dispatch"
+            assert decision.to_state == outcome.to, f"{event_id}[{idx}] target mismatch"
+            assert decision.outcome_index == idx, f"{event_id}[{idx}] wrong branch matched"
+            covered_events.add(event_id)
+
+    assert covered_events == set(cfg.transitions.keys())