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✅ Chiron fusion blocks local range

CategoryAbility
StatusPassing
Testtests/test_abilities_passive.py::test_chiron_fusion_blocks_local_range

Chiron cannot fuse with a Range: Local demon.

Preconditions​

  • Lane 0: P1's Chiron (#046) — READIED (Range: Distant)

  • Lane 0: P1's Duban (#001) — READIED (Range: Local)

Action​

  • Call can_fuse(state, chiron, duban)
from engine.fusion import can_fuse

    state = make_game_state()
    chiron = make_demon("046", lane=0, owner=Side.PLAYER_1)
    duban = make_demon("001", lane=0, owner=Side.PLAYER_1)
    state = place_demon(state, chiron)
    state = place_demon(state, duban)

    chiron_on_field = next(d for d in state.demons if d.unit_id == "046")
    duban_on_field = next(d for d in state.demons if d.unit_id == "001")

    ok, reason = can_fuse(state, chiron_on_field, duban_on_field)

Expected Postconditions​

  • Returns (False, ) — fusion blocked (Distant range required)

Assertions​

assert ok is False, (
        f"Expected Chiron+Duban fusion to be blocked (Local range), got ok=True"
    )
    assert "Distant" in reason, (
        f"Expected reason to mention 'Distant', got: {reason}"
    )