[planner] early exit if rotation doesn't match

masque/test/test_pather_primitive_offers.py

@@ -422,6 +422,53 @@ def test_pather_selects_lowest_cost_offer() -> None:
     assert numpy.allclose(p.ports['A'].offset, (-7, 0))
 
 
+def test_solver_rejects_rotation_impossible_candidates_before_parameter_solving() -> None:
+    invalid_parameters: list[float] = []
+
+    class RotationOfferTool(PlanningOnlyTool):
+        def primitive_offers(
+                self,
+                kind: Literal['straight', 'bend', 's', 'u'],
+                *,
+                in_ptype: str | None = None,
+                out_ptype: str | None = None,
+                **kwargs: Any,
+                ) -> tuple[PrimitiveOffer, ...]:
+            _ = kwargs
+            if kind != 'straight':
+                return ()
+
+            def invalid_endpoint(length: float) -> Port:
+                invalid_parameters.append(length)
+                return Port((length, 0), rotation=0, ptype=out_ptype or in_ptype)
+
+            def valid_endpoint(length: float) -> Port:
+                return Port((length, 0), rotation=pi, ptype=out_ptype or in_ptype)
+
+            return (
+                StraightOffer(
+                    in_ptype=in_ptype,
+                    out_ptype=out_ptype,
+                    endpoint_planner=invalid_endpoint,
+                    commit_planner=lambda length: {'kind': 'invalid', 'length': length},
+                    ),
+                StraightOffer(
+                    in_ptype=in_ptype,
+                    out_ptype=out_ptype,
+                    endpoint_planner=valid_endpoint,
+                    commit_planner=lambda length: {'kind': 'valid', 'length': length},
+                    ),
+                )
+
+    p = Pather(Library(), tools=RotationOfferTool(), auto_render=False)
+    p.ports['A'] = Port((0, 0), rotation=0, ptype='wire')
+
+    p.straight('A', 7)
+
+    assert p._paths['A'][0].data == {'kind': 'valid', 'length': 7}
+    assert invalid_parameters == [0.0, 0.0]
+
+
 def test_pather_commits_only_selected_offer() -> None:
     committed: list[str] = []