chore: solution failure if asv is triggered when no asv chosen (#1661)

Author: tj098895

src/libecalc/process/process_solver/anti_surge/anti_surge_strategy.py

@@ -1,10 +1,12 @@
 from abc import ABC, abstractmethod
 from collections.abc import Sequence
+from dataclasses import dataclass
 from enum import StrEnum
 
 from libecalc.process.fluid_stream.fluid_stream import FluidStream
+from libecalc.process.process_pipeline.process_unit import ProcessUnitId
 from libecalc.process.process_solver.configuration import Configuration, RecirculationConfiguration
-from libecalc.process.process_solver.solver import Solution
+from libecalc.process.process_solver.solver import Solution, SolverFailure
 
 
 class AntiSurgeType(StrEnum):
@@ -41,3 +43,32 @@ def reset(self) -> None:
         from a previous evaluation would corrupt the result (e.g. upstream-choke search).
         """
         ...
+
+
+@dataclass
+class NoAntiSurgeControlFailure(SolverFailure):
+    source_id: ProcessUnitId
+    reason: str = ""
+
+
+class NoAntiSurgeStrategy(AntiSurgeStrategy):
+    """
+    TODO: Should this raise error if attempted to be used, because that would mean that
+    we need Anti-Surge, but we have no way of handling it.
+    """
+
+    def __init__(
+        self,
+        source_id: ProcessUnitId,
+    ):
+        self._source_id = source_id
+
+    def reset(self) -> None: ...
+
+    def apply(self, inlet_stream: FluidStream) -> Solution[Sequence[Configuration[RecirculationConfiguration]]]:
+        return Solution(
+            configuration=[],
+            failure=NoAntiSurgeControlFailure(
+                source_id=self._source_id, reason="No Anti-Surge protection added when apparently needed."
+            ),
+        )