werewolves/werewolves-proto/src/game_test/aura/scapegoat.rs

// Copyright (C) 2025 Emilis Bliūdžius
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

#[allow(unused)]
use pretty_assertions::{assert_eq, assert_ne, assert_str_eq};

use crate::{
    aura::{Aura, AuraTitle},
    game::{Game, GameSettings, SetupRole},
    game_test::{
        ActionPromptTitleExt, ActionResultExt, GameExt, SettingsExt, gen_players, init_log,
    },
    message::night::{ActionPrompt, ActionPromptTitle},
    player::RoleChange,
    role::{Alignment, Killer, Role, RoleTitle},
};

#[test]
fn redeemable_scapegoat() {
    init_log();
    let players = gen_players(1..21);
    let mut player_ids = players.iter().map(|p| p.player_id);
    let seer = player_ids.next().unwrap();
    let wolf = player_ids.next().unwrap();
    let scapegoat = player_ids.next().unwrap();
    let mut settings = GameSettings::empty();
    settings.add_and_assign(SetupRole::Werewolf, wolf);
    settings.add_and_assign(SetupRole::Seer, seer);
    let mut scapegoat_slot = settings.add_and_assign(SetupRole::Villager, scapegoat);
    scapegoat_slot.auras.push(AuraTitle::RedeemableScapegoat);
    settings.update_slot(scapegoat_slot);

    settings.fill_remaining_slots_with_villagers(players.len());
    let mut game = Game::new(&players, settings).unwrap();
    game.r#continue().r#continue();
    assert_eq!(game.next().title(), ActionPromptTitle::WolvesIntro);
    game.r#continue().sleep();

    game.next().title().seer();
    game.mark(game.character_by_player_id(scapegoat).character_id());
    assert!(game.r#continue().seer().wolves());
    game.r#continue().sleep();

    game.next_expect_day();

    assert_eq!(
        game.character_by_player_id(scapegoat).auras(),
        &[Aura::RedeemableScapegoat]
    );

    game.mark_for_execution(game.character_by_player_id(seer).character_id());
    game.execute().title().wolf_pack_kill();
    game.mark(game.living_villager_excl(scapegoat).character_id());
    game.r#continue().sleep();

    game.next_expect_day();
    game.execute().title().wolf_pack_kill();
    game.mark(game.living_villager_excl(scapegoat).character_id());
    game.r#continue().sleep();

    assert_eq!(
        game.next(),
        ActionPrompt::RoleChange {
            character_id: game.character_by_player_id(scapegoat).identity(),
            new_role: RoleTitle::Seer
        }
    );
    game.r#continue().r#continue();

    game.next().title().seer();
    game.mark(game.character_by_player_id(wolf).character_id());
    assert!(game.r#continue().seer().wolves());
    game.r#continue().sleep();

    game.next_expect_day();

    let scapegoat = game.character_by_player_id(scapegoat);
    assert_eq!(
        scapegoat.role_changes(),
        &[RoleChange {
            role: Role::Villager,
            new_role: RoleTitle::Seer,
            changed_on_night: 2,
        }]
    );
    assert_eq!(scapegoat.auras(), &[Aura::Scapegoat]);
    assert_eq!(scapegoat.role(), &Role::Seer);
}

#[test]
fn inevitable_scapegoat_targeting_black_knight() {
    init_log();
    let players = gen_players(1..21);
    let mut player_ids = players.iter().map(|p| p.player_id);
    let seer = player_ids.next().unwrap();
    let wolf = player_ids.next().unwrap();
    let black_knight = player_ids.next().unwrap();
    let mut settings = GameSettings::empty();
    settings.add_and_assign(SetupRole::Werewolf, wolf);

    settings.add_and_assign(SetupRole::BlackKnight, black_knight);
    let mut seer_slot = settings.add_and_assign(SetupRole::Seer, seer);
    seer_slot.auras.push(AuraTitle::InevitableScapegoat);
    settings.update_slot(seer_slot);

    settings.fill_remaining_slots_with_villagers(players.len());
    let mut game = Game::new(&players, settings).unwrap();
    game.r#continue().r#continue();
    assert_eq!(game.next().title(), ActionPromptTitle::WolvesIntro);
    game.r#continue().sleep();

    assert_eq!(
        game.character_by_player_id(seer).auras(),
        &[Aura::InevitableScapegoat]
    );

    game.next().title().seer();
    game.mark(game.character_by_player_id(black_knight).character_id());
    assert!(game.r#continue().seer().wolves());
    game.r#continue().sleep();

    game.next_expect_day();

    assert_eq!(
        game.character_by_player_id(black_knight).auras(),
        &[Aura::Scapegoat]
    );

    assert_eq!(game.character_by_player_id(seer).auras(), &[]);

    game.execute().title().wolf_pack_kill();
    let next_target = game.village().characters().into_iter().last().unwrap();
    game.mark(
        game.living_villager_excl(next_target.player_id())
            .character_id(),
    );
    game.r#continue().sleep();

    game.next().title().seer();
    game.mark(next_target.character_id());
    assert!(game.r#continue().seer().village());
    game.r#continue().sleep();
    game.next_expect_day();

    assert_eq!(game.character_by_player_id(seer).auras(), &[]);
    assert_eq!(
        game.character_by_player_id(next_target.player_id()).auras(),
        &[]
    );
}

#[test]
fn vindictive_scapegoat() {
    init_log();
    let players = gen_players(1..21);
    let mut player_ids = players.iter().map(|p| p.player_id);
    let scapegoat = player_ids.next().unwrap();
    let wolf = player_ids.next().unwrap();
    let mut settings = GameSettings::empty();
    settings.add_and_assign(SetupRole::Werewolf, wolf);
    let mut scapegoat_slot = settings.add_and_assign(SetupRole::Villager, scapegoat);
    scapegoat_slot.auras.push(AuraTitle::VindictiveScapegoat);
    settings.update_slot(scapegoat_slot);

    settings.fill_remaining_slots_with_villagers(players.len());
    let mut game = Game::new(&players, settings).unwrap();
    game.r#continue().r#continue();
    assert_eq!(game.next().title(), ActionPromptTitle::WolvesIntro);
    game.r#continue().sleep();

    game.next_expect_day();
    game.mark_for_execution(game.character_by_player_id(scapegoat).character_id());
    game.execute().title().wolf_pack_kill();
    game.mark_villager();
    game.r#continue().sleep();

    game.next_expect_day();

    assert_eq!(game.character_by_player_id(scapegoat).auras(), &[]);
    assert!(
        game.village()
            .characters()
            .into_iter()
            .filter(|c| c.alive() && c.is_village())
            .any(|c| c.auras() == [Aura::Scapegoat])
    );
}

#[test]
fn spiteful_scapegoat_chosen_by_adjudicator() {
    init_log();
    let players = gen_players(1..21);
    let mut player_ids = players.iter().map(|p| p.player_id);
    let seer = player_ids.next().unwrap();
    let wolf = player_ids.next().unwrap();
    let adjudicator = player_ids.next().unwrap();
    let mut settings = GameSettings::empty();
    settings.add_and_assign(SetupRole::Werewolf, wolf);

    settings.add_and_assign(SetupRole::Adjudicator, adjudicator);
    let mut seer_slot = settings.add_and_assign(SetupRole::Seer, seer);
    seer_slot.auras.push(AuraTitle::SpitefulScapegoat);
    settings.update_slot(seer_slot);

    settings.fill_remaining_slots_with_villagers(players.len());
    let mut game = Game::new(&players, settings).unwrap();
    game.r#continue().r#continue();
    assert_eq!(game.next().title(), ActionPromptTitle::WolvesIntro);
    game.r#continue().sleep();

    assert_eq!(
        game.character_by_player_id(seer).auras(),
        &[Aura::SpitefulScapegoat]
    );

    game.next().title().seer();
    game.mark(game.character_by_player_id(adjudicator).character_id());
    assert_eq!(game.r#continue().seer(), Alignment::Village);
    game.r#continue().sleep();

    game.next().title().adjudicator();
    game.mark(game.character_by_player_id(seer).character_id());
    assert_eq!(game.r#continue().adjudicator(), Killer::NotKiller);
    game.r#continue().sleep();

    game.next_expect_day();

    assert_eq!(game.character_by_player_id(seer).auras(), &[]);

    assert_eq!(
        game.character_by_player_id(adjudicator).auras(),
        &[Aura::Scapegoat]
    );

    game.execute().title().wolf_pack_kill();
    game.mark_villager();
    game.r#continue().sleep();

    game.next().title().seer();
    game.mark(game.character_by_player_id(adjudicator).character_id());
    assert_eq!(game.r#continue().seer(), Alignment::Wolves);
    game.r#continue().sleep();

    game.next().title().adjudicator();
    game.mark(game.character_by_player_id(seer).character_id());
    assert_eq!(game.r#continue().adjudicator(), Killer::NotKiller);
    game.r#continue().sleep();

    game.next_expect_day();
}

#[test]
fn inevitable_scapegoat_chosen_by_adjudicator() {
    init_log();
    let players = gen_players(1..21);
    let mut player_ids = players.iter().map(|p| p.player_id);
    let seer = player_ids.next().unwrap();
    let wolf = player_ids.next().unwrap();
    let adjudicator = player_ids.next().unwrap();
    let mut settings = GameSettings::empty();
    settings.add_and_assign(SetupRole::Werewolf, wolf);

    settings.add_and_assign(SetupRole::Adjudicator, adjudicator);
    let mut seer_slot = settings.add_and_assign(SetupRole::Seer, seer);
    seer_slot.auras.push(AuraTitle::InevitableScapegoat);
    settings.update_slot(seer_slot);

    settings.fill_remaining_slots_with_villagers(players.len());
    let mut game = Game::new(&players, settings).unwrap();
    game.r#continue().r#continue();
    assert_eq!(game.next().title(), ActionPromptTitle::WolvesIntro);
    game.r#continue().sleep();

    assert_eq!(
        game.character_by_player_id(seer).auras(),
        &[Aura::InevitableScapegoat]
    );

    game.next().title().seer();
    game.mark(game.character_by_player_id(adjudicator).character_id());
    assert_eq!(game.r#continue().seer(), Alignment::Wolves);
    game.r#continue().sleep();

    game.next().title().adjudicator();
    game.mark(game.character_by_player_id(seer).character_id());
    assert_eq!(game.r#continue().adjudicator(), Killer::NotKiller);
    game.r#continue().sleep();

    game.next_expect_day();

    assert_eq!(game.character_by_player_id(seer).auras(), &[]);

    assert_eq!(
        game.character_by_player_id(adjudicator).auras(),
        &[Aura::Scapegoat]
    );

    game.execute().title().wolf_pack_kill();
    game.mark_villager();
    game.r#continue().sleep();

    game.next().title().seer();
    game.mark(game.character_by_player_id(adjudicator).character_id());
    assert_eq!(game.r#continue().seer(), Alignment::Wolves);
    game.r#continue().sleep();

    game.next().title().adjudicator();
    game.mark(game.character_by_player_id(seer).character_id());
    assert_eq!(game.r#continue().adjudicator(), Killer::NotKiller);
    game.r#continue().sleep();

    game.next_expect_day();
}