chjo

backend/tests/test_planning_dispatch_milp.py

@@ -1031,6 +1031,69 @@ class PlanningDispatchMilpTests(unittest.TestCase):
 class NegativeSellPvChargeTests(unittest.TestCase):
     """BA81: při sell<0 a velké FVE A má jít výkon do baterie, ne do curtailment."""
 
+    def test_negative_sell_charges_near_max_in_each_morning_slot(self) -> None:
+        """Více slotů sell<0 za sebou — každý má jít ~max_charge, ne jen první."""
+        base = datetime(2026, 5, 24, 6, 0, tzinfo=timezone.utc)
+        slots: list[PlanningSlot] = []
+        for i in range(6):
+            slots.append(
+                PlanningSlot(
+                    interval_start=base + timedelta(minutes=15 * i),
+                    buy_price=3.088,
+                    sell_price=-0.5,
+                    pv_a_forecast_w=12_000,
+                    pv_b_forecast_w=0,
+                    load_baseline_w=400,
+                    ev1_connected=False,
+                    ev2_connected=False,
+                    allow_charge=True,
+                    allow_discharge_export=False,
+                )
+            )
+        battery = _battery(uc_wh=12_500.0, terminal_soc_value_factor=0.2)
+        battery.max_charge_power_w = 6_250
+        battery.max_discharge_power_w = 6_250
+        hp = SimpleNamespace(
+            rated_heating_power_w=0,
+            tuv_min_temp_c=45.0,
+            tuv_target_temp_c=55.0,
+        )
+        grid = SimpleNamespace(
+            max_import_power_w=17_000,
+            max_export_power_w=16_000,
+            block_export_on_negative_sell=False,
+        )
+        vehicles = [
+            SimpleNamespace(
+                max_charge_power_w=0,
+                battery_capacity_kwh=1.0,
+                default_target_soc_pct=80.0,
+            ),
+            SimpleNamespace(
+                max_charge_power_w=0,
+                battery_capacity_kwh=1.0,
+                default_target_soc_pct=80.0,
+            ),
+        ]
+        soc0 = 0.30 * battery.usable_capacity_wh
+        results, _ms, _ = solve_dispatch(
+            slots,
+            battery,
+            hp,
+            grid,
+            [None, None],
+            vehicles,
+            soc0,
+            50.0,
+            operating_mode="AUTO",
+        )
+        high_power = [r.battery_setpoint_w for r in results if r.battery_setpoint_w > 5_500]
+        self.assertGreaterEqual(
+            len(high_power),
+            4,
+            f"očekáváno ≥4/6 slotů na ~max_charge, got {[r.battery_setpoint_w for r in results]}",
+        )
+
     def test_negative_sell_prefers_full_pv_charge_over_curtail(self) -> None:
         slots = [
             PlanningSlot(