418 lines
14 KiB
TypeScript
418 lines
14 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import {
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addEffect,
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addEntityEffect,
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addItemEffect,
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onEntityEffectUpkeep,
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onEntityPostureDamage,
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onPlayerItemEffectUpkeep,
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onItemPlay,
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onItemDiscard,
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getAliveEnemies,
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getCombatEntity,
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} from '@/samples/slay-the-spire-like/system/combat/effects';
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import type { CombatEntity, CombatState, EffectTable, PlayerEntity, EnemyEntity } from '@/samples/slay-the-spire-like/system/combat/types';
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import type { EffectData } from '@/samples/slay-the-spire-like/system/types';
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function createEffect(id: string, lifecycle: EffectData['lifecycle']): EffectData {
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return { id, name: id, description: '', lifecycle };
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}
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function createCombatEntity(hp = 10, maxHp = 10): CombatEntity {
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return {
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effects: {},
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hp,
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maxHp,
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isAlive: hp > 0,
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};
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}
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function createPlayerEntity(hp = 30, maxHp = 30): PlayerEntity {
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return {
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...createCombatEntity(hp, maxHp),
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energy: 3,
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maxEnergy: 3,
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deck: { cards: {}, regions: { drawPile: { id: 'drawPile', axes: [], childIds: [], partMap: {} }, hand: { id: 'hand', axes: [], childIds: [], partMap: {} }, discardPile: { id: 'discardPile', axes: [], childIds: [], partMap: {} }, exhaustPile: { id: 'exhaustPile', axes: [], childIds: [], partMap: {} } } },
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itemEffects: {},
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};
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}
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function createEnemyEntity(id: string, hp = 10, maxHp = 10): EnemyEntity {
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return {
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...createCombatEntity(hp, maxHp),
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id,
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enemy: { id, name: id, description: '' },
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intents: {},
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currentIntentId: '',
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};
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}
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function createCombatState(playerHp = 30, enemies: EnemyEntity[] = []): CombatState {
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return {
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player: createPlayerEntity(playerHp),
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enemies,
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inventory: { width: 6, height: 4, items: new Map(), occupiedCells: new Set() },
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phase: 'playerTurn',
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turnNumber: 1,
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result: null,
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loot: [],
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};
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}
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describe('combat/effects', () => {
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describe('addEffect', () => {
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it('should add a new effect to an empty table', () => {
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const table: EffectTable = {};
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const effect = createEffect('strength', 'temporary');
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addEffect(table, effect, 3);
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expect(table['strength']).toBeDefined();
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expect(table['strength'].data).toBe(effect);
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expect(table['strength'].stacks).toBe(3);
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});
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it('should stack with existing effect of same id', () => {
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const table: EffectTable = {};
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const effect = createEffect('strength', 'lingering');
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addEffect(table, effect, 2);
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addEffect(table, effect, 3);
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expect(table['strength'].stacks).toBe(5);
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});
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it('should remove effect when stacks reach 0', () => {
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const table: EffectTable = {};
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const effect = createEffect('strength', 'temporary');
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addEffect(table, effect, 3);
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addEffect(table, effect, -3);
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expect(table['strength']).toBeUndefined();
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});
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it('should not add effect when stacks is 0', () => {
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const table: EffectTable = {};
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const effect = createEffect('strength', 'temporary');
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addEffect(table, effect, 0);
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expect(table['strength']).toBeUndefined();
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});
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it('should handle negative stacks', () => {
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const table: EffectTable = {};
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const effect = createEffect('weak', 'temporary');
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addEffect(table, effect, -2);
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expect(table['weak'].stacks).toBe(-2);
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});
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});
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describe('addEntityEffect', () => {
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it('should add effect to entity.effects', () => {
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const entity = createCombatEntity();
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const effect = createEffect('vulnerable', 'lingering');
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addEntityEffect(entity, effect, 2);
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expect(entity.effects['vulnerable'].stacks).toBe(2);
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});
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});
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describe('addItemEffect', () => {
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it('should add effect to player.itemEffects[itemKey]', () => {
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const player = createPlayerEntity();
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const effect = createEffect('adjacent-buff', 'itemTemporary');
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addItemEffect(player, 'sword-1', effect, 3);
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expect(player.itemEffects['sword-1']['adjacent-buff'].stacks).toBe(3);
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});
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it('should initialize itemEffects entry if not present', () => {
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const player = createPlayerEntity();
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const effect = createEffect('adjacent-buff', 'itemTemporary');
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addItemEffect(player, 'new-item', effect, 1);
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expect(player.itemEffects['new-item']).toBeDefined();
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});
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it('should stack with existing item effect', () => {
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const player = createPlayerEntity();
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const effect = createEffect('adjacent-buff', 'itemTemporary');
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addItemEffect(player, 'sword-1', effect, 2);
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addItemEffect(player, 'sword-1', effect, 3);
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expect(player.itemEffects['sword-1']['adjacent-buff'].stacks).toBe(5);
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});
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});
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describe('onEntityEffectUpkeep', () => {
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it('should remove temporary effects', () => {
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const entity = createCombatEntity();
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const tempEffect = createEffect('temp-shield', 'temporary');
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addEntityEffect(entity, tempEffect, 5);
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onEntityEffectUpkeep(entity);
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expect(entity.effects['temp-shield']).toBeUndefined();
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});
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it('should decrement lingering effects by 1', () => {
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const entity = createCombatEntity();
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const lingeringEffect = createEffect('poison', 'lingering');
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addEntityEffect(entity, lingeringEffect, 3);
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onEntityEffectUpkeep(entity);
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expect(entity.effects['poison'].stacks).toBe(2);
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});
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it('should remove lingering effects when stacks reach 0', () => {
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const entity = createCombatEntity();
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const lingeringEffect = createEffect('poison', 'lingering');
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addEntityEffect(entity, lingeringEffect, 1);
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onEntityEffectUpkeep(entity);
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expect(entity.effects['poison']).toBeUndefined();
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});
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it('should not affect permanent effects', () => {
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const entity = createCombatEntity();
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const permEffect = createEffect('max-hp-up', 'permanent');
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addEntityEffect(entity, permEffect, 5);
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onEntityEffectUpkeep(entity);
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expect(entity.effects['max-hp-up'].stacks).toBe(5);
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});
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it('should not affect instant effects', () => {
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const entity = createCombatEntity();
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const instantEffect = createEffect('instant-damage', 'instant');
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addEntityEffect(entity, instantEffect, 10);
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onEntityEffectUpkeep(entity);
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expect(entity.effects['instant-damage'].stacks).toBe(10);
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});
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it('should increment lingering effects with negative stacks', () => {
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const entity = createCombatEntity();
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const lingeringEffect = createEffect('regen', 'lingering');
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addEntityEffect(entity, lingeringEffect, -3);
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onEntityEffectUpkeep(entity);
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expect(entity.effects['regen'].stacks).toBe(-2);
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});
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});
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describe('onEntityPostureDamage', () => {
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it('should reduce posture effects by damage amount', () => {
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const entity = createCombatEntity();
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const postureEffect = createEffect('block', 'posture');
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addEntityEffect(entity, postureEffect, 10);
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onEntityPostureDamage(entity, 4);
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expect(entity.effects['block'].stacks).toBe(6);
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});
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it('should not reduce posture effects below 0', () => {
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const entity = createCombatEntity();
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const postureEffect = createEffect('block', 'posture');
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addEntityEffect(entity, postureEffect, 3);
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onEntityPostureDamage(entity, 10);
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expect(entity.effects['block']).toBeUndefined();
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});
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it('should not affect non-posture effects', () => {
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const entity = createCombatEntity();
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const postureEffect = createEffect('block', 'posture');
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const permEffect = createEffect('strength', 'permanent');
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addEntityEffect(entity, postureEffect, 5);
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addEntityEffect(entity, permEffect, 3);
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onEntityPostureDamage(entity, 2);
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expect(entity.effects['block'].stacks).toBe(3);
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expect(entity.effects['strength'].stacks).toBe(3);
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});
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it('should handle zero damage', () => {
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const entity = createCombatEntity();
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const postureEffect = createEffect('block', 'posture');
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addEntityEffect(entity, postureEffect, 5);
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onEntityPostureDamage(entity, 0);
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expect(entity.effects['block'].stacks).toBe(5);
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});
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});
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describe('onPlayerItemEffectUpkeep', () => {
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it('should remove itemTemporary effects', () => {
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const player = createPlayerEntity();
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const effect = createEffect('adjacent-buff', 'itemTemporary');
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addItemEffect(player, 'sword-1', effect, 5);
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onPlayerItemEffectUpkeep(player);
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expect(player.itemEffects['sword-1']['adjacent-buff']).toBeUndefined();
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});
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it('should not affect itemPermanent effects', () => {
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const player = createPlayerEntity();
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const effect = createEffect('adjacent-buff', 'itemPermanent');
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addItemEffect(player, 'sword-1', effect, 5);
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onPlayerItemEffectUpkeep(player);
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expect(player.itemEffects['sword-1']['adjacent-buff'].stacks).toBe(5);
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});
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it('should not affect itemUntilPlay effects', () => {
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const player = createPlayerEntity();
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const effect = createEffect('charged', 'itemUntilPlay');
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addItemEffect(player, 'sword-1', effect, 3);
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onPlayerItemEffectUpkeep(player);
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expect(player.itemEffects['sword-1']['charged'].stacks).toBe(3);
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});
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});
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describe('onItemPlay', () => {
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it('should remove itemUntilPlay effects', () => {
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const player = createPlayerEntity();
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const effect = createEffect('charged', 'itemUntilPlay');
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addItemEffect(player, 'sword-1', effect, 3);
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onItemPlay(player, 'sword-1');
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expect(player.itemEffects['sword-1']['charged']).toBeUndefined();
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});
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it('should not affect other lifecycle effects', () => {
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const player = createPlayerEntity();
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const permEffect = createEffect('passive', 'itemPermanent');
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const playEffect = createEffect('charged', 'itemUntilPlay');
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addItemEffect(player, 'sword-1', permEffect, 5);
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addItemEffect(player, 'sword-1', playEffect, 3);
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onItemPlay(player, 'sword-1');
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expect(player.itemEffects['sword-1']['passive'].stacks).toBe(5);
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expect(player.itemEffects['sword-1']['charged']).toBeUndefined();
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});
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it('should do nothing for item with no effects', () => {
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const player = createPlayerEntity();
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expect(() => onItemPlay(player, 'nonexistent')).not.toThrow();
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});
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});
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describe('onItemDiscard', () => {
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it('should remove itemUntilDiscard effects', () => {
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const player = createPlayerEntity();
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const effect = createEffect('discard-buff', 'itemUntilDiscard');
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addItemEffect(player, 'sword-1', effect, 3);
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onItemDiscard(player, 'sword-1');
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expect(player.itemEffects['sword-1']['discard-buff']).toBeUndefined();
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});
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it('should not affect other lifecycle effects', () => {
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const player = createPlayerEntity();
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const permEffect = createEffect('passive', 'itemPermanent');
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const discardEffect = createEffect('discard-buff', 'itemUntilDiscard');
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addItemEffect(player, 'sword-1', permEffect, 5);
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addItemEffect(player, 'sword-1', discardEffect, 3);
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onItemDiscard(player, 'sword-1');
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expect(player.itemEffects['sword-1']['passive'].stacks).toBe(5);
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expect(player.itemEffects['sword-1']['discard-buff']).toBeUndefined();
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});
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it('should do nothing for item with no effects', () => {
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const player = createPlayerEntity();
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expect(() => onItemDiscard(player, 'nonexistent')).not.toThrow();
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});
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});
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describe('getAliveEnemies', () => {
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it('should yield only alive enemies', () => {
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const state = createCombatState(30, [
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createEnemyEntity('slime-1', 10, 10),
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createEnemyEntity('slime-2', 0, 10),
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createEnemyEntity('slime-3', 5, 10),
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]);
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const alive = [...getAliveEnemies(state)];
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expect(alive.length).toBe(2);
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expect(alive[0].id).toBe('slime-1');
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expect(alive[1].id).toBe('slime-3');
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});
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it('should return empty for no enemies', () => {
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const state = createCombatState(30, []);
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const alive = [...getAliveEnemies(state)];
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expect(alive.length).toBe(0);
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});
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it('should return empty when all enemies are dead', () => {
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const state = createCombatState(30, [
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createEnemyEntity('slime-1', 0, 10),
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createEnemyEntity('slime-2', 0, 10),
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]);
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const alive = [...getAliveEnemies(state)];
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expect(alive.length).toBe(0);
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});
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});
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describe('getCombatEntity', () => {
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it('should return player for "player" key', () => {
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const state = createCombatState(30);
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const entity = getCombatEntity(state, 'player');
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expect(entity).toBe(state.player);
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});
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it('should return enemy by id', () => {
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const enemy = createEnemyEntity('boss-1', 50, 50);
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const state = createCombatState(30, [enemy]);
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const entity = getCombatEntity(state, 'boss-1');
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expect(entity).toBe(enemy);
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});
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it('should return undefined for non-existent enemy', () => {
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const state = createCombatState(30, [createEnemyEntity('slime-1')]);
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const entity = getCombatEntity(state, 'nonexistent');
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expect(entity).toBeUndefined();
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});
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});
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});
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