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✅ Conformity replace trigger swaps target with conformity familiar

CategoryAbility
StatusPassing
Testtests/test_abilities_familiars.py::test_conformity_replace_trigger_swaps_target_with_conformity_familiar

Conformity A resolves an action targeting a demon. That demon

Preconditions​

  • Lane 0: P1's Conformity A (117_1) — 12 HP, 0 damage, READIED.

  • Lane 0: P2's Duban (001) — 6 HP, 0 damage, READIED.

  • P1's familiar_deck = ["117_2"] (Conformity B available).

Action​

  • Fire ABILITY_USED event with source=Conformity A, target=Duban.

  • The Conformity replace trigger fires.

from engine.events import fire_event

    state = make_game_state()
    state.players[Side.PLAYER_1].familiar_deck = ["117_2"]
    state.players[Side.PLAYER_2].familiar_deck = []

    conformity = make_familiar_demon("117_1", lane=0, owner=Side.PLAYER_1)
    state = place_demon(state, conformity)
    conformity = state.demons[-1]

    duban = make_demon("001", lane=0, owner=Side.PLAYER_2)
    state = place_demon(state, duban)
    duban = state.demons[-1]

    # Fire ABILITY_USED event as if Conformity A used an action targeting Duban
    event = GameEvent(
        event_type=EventType.ABILITY_USED,
        source=conformity,
        target=duban,
        value=0,
        side=Side.PLAYER_1,
        lane=0,
    )
    new_state = fire_event(state, event)

    # Duban should be replaced
    duban_on_field = [d for d in new_state.demons if d.unit_id == "001"]

Expected Postconditions​

  • Duban is removed from field.

  • Duban's unit_id ("001") is added to P2's graveyard

  • (since Duban is not a familiar).

  • A new Conformity B demon appears in Lane 0 owned by P1.

  • P1's familiar_deck no longer contains "117_2".

Assertions​

assert len(duban_on_field) == 0, "Duban should be removed from field after Conformity replace."

    # A Conformity familiar should now be in lane 0 owned by P1
    conformity_b_on_field = [
        d for d in new_state.demons
        if d.unit_id == "117_2" and d.owner == Side.PLAYER_1
    ]
    assert len(conformity_b_on_field) == 1, (
        f"Conformity B should be placed in Lane 0 after replacing Duban. "
        f"Demons on field: {[(d.unit_id, d.owner, d.lane) for d in new_state.demons]}"
    )
    assert conformity_b_on_field[0].lane == 0, "Replacement Conformity should be in lane 0."

    # Familiar_deck should no longer have "117_2"
    assert "117_2" not in new_state.players[Side.PLAYER_1].familiar_deck, (
        "117_2 should have been removed from familiar_deck after placement."
    )

    # Duban should be in P2's graveyard (it was a non-familiar unit)
    assert "001" in new_state.players[Side.PLAYER_2].graveyard, (
        "Duban (001) should be in P2's graveyard after being replaced."
    )