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✅ Berith fused bottom gains status on enemy action

CategoryAbility
StatusPassing
Testtests/test_abilities_complex.py::TestBerithFusedBottomProjects::test_berith_fused_bottom_gains_status_on_enemy_action

Murmur (top) fused with Berith (bottom). Enemy resolves an

Preconditions​

  • Lane 0: P1's fused demon — Murmur (#002) top, Berith (#070) bottom, READIED

  • Lane 1: P2's Duban (#001) — enemy source of action

  • No status effects

Action​

  • Fire ABILITY_USED event with source=Duban, side=PLAYER_2
from engine.events import GameEvent, EventType, fire_event
        from engine.status_effects import get_stat_modifier

        fused = make_fused_demon("002", "070", lane=0, owner=Side.PLAYER_1)
        duban = make_demon("001", lane=1, owner=Side.PLAYER_2)

        state, placed = _make_state_with_demons(fused, duban)
        fused_p, duban_p = placed

        event = GameEvent(
            event_type=EventType.ABILITY_USED,
            source=duban_p,
            target=None,
            value=0,
            side=Side.PLAYER_2,
            lane=1,
        )
        result = fire_event(state, event)

        fused_after = next(d for d in result.demons if d.instance_id == fused_p.instance_id)
        pwr_mod = get_stat_modifier(result, fused_after, "pwr")
        ap_mod = get_stat_modifier(result, fused_after, "ap_cost")

Expected Postconditions​

  • Fused demon has +1 PWR status

  • Fused demon has -1 AP Cost status

  • Fused demon.abilities_used_this_turn["0"] == 1

Assertions​

assert pwr_mod == 1, (
            f"Fused demon with Berith bottom must have +1 PWR status from enemy "
            f"action. Got {pwr_mod}."
        )
        assert ap_mod == -1, (
            f"Fused demon with Berith bottom must have -1 AP Cost status. Got {ap_mod}."
        )
        assert fused_after.abilities_used_this_turn.get("0", 0) == 1, (
            "Fused demon's Berith counter must advance to 1."
        )