pokerogue/test/battle/inverse_battle.test.ts
Sirz Benjie 408b66f913
[Misc][Refactor][GitHub] Ditch eslint for biome, and add a formatter (#5495)
Co-authored-by: NightKev <34855794+DayKev@users.noreply.github.com>
2025-03-09 14:13:25 -07:00

256 lines
9.1 KiB
TypeScript

import { BattlerIndex } from "#app/battle";
import { PokemonType } from "#enums/pokemon-type";
import { Abilities } from "#enums/abilities";
import { ArenaTagType } from "#enums/arena-tag-type";
import { Challenges } from "#enums/challenges";
import { Moves } from "#enums/moves";
import { Species } from "#enums/species";
import { StatusEffect } from "#enums/status-effect";
import GameManager from "#test/testUtils/gameManager";
import Phaser from "phaser";
import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
describe("Inverse Battle", () => {
let phaserGame: Phaser.Game;
let game: GameManager;
beforeAll(() => {
phaserGame = new Phaser.Game({
type: Phaser.HEADLESS,
});
});
afterEach(() => {
game.phaseInterceptor.restoreOg();
});
beforeEach(() => {
game = new GameManager(phaserGame);
game.challengeMode.addChallenge(Challenges.INVERSE_BATTLE, 1, 1);
game.override
.battleType("single")
.starterSpecies(Species.FEEBAS)
.ability(Abilities.BALL_FETCH)
.enemySpecies(Species.MAGIKARP)
.enemyAbility(Abilities.BALL_FETCH)
.enemyMoveset(Moves.SPLASH);
});
it("Immune types are 2x effective - Thunderbolt against Ground Type", async () => {
game.override.moveset([Moves.THUNDERBOLT]).enemySpecies(Species.SANDSHREW);
await game.challengeMode.startBattle();
const enemy = game.scene.getEnemyPokemon()!;
vi.spyOn(enemy, "getMoveEffectiveness");
game.move.select(Moves.THUNDERBOLT);
await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
await game.phaseInterceptor.to("MoveEffectPhase");
expect(enemy.getMoveEffectiveness).toHaveLastReturnedWith(2);
});
it("2x effective types are 0.5x effective - Thunderbolt against Flying Type", async () => {
game.override.moveset([Moves.THUNDERBOLT]).enemySpecies(Species.PIDGEY);
await game.challengeMode.startBattle();
const enemy = game.scene.getEnemyPokemon()!;
vi.spyOn(enemy, "getMoveEffectiveness");
game.move.select(Moves.THUNDERBOLT);
await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
await game.phaseInterceptor.to("MoveEffectPhase");
expect(enemy.getMoveEffectiveness).toHaveLastReturnedWith(0.5);
});
it("0.5x effective types are 2x effective - Thunderbolt against Electric Type", async () => {
game.override.moveset([Moves.THUNDERBOLT]).enemySpecies(Species.CHIKORITA);
await game.challengeMode.startBattle();
const enemy = game.scene.getEnemyPokemon()!;
vi.spyOn(enemy, "getMoveEffectiveness");
game.move.select(Moves.THUNDERBOLT);
await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
await game.phaseInterceptor.to("MoveEffectPhase");
expect(enemy.getMoveEffectiveness).toHaveLastReturnedWith(2);
});
it("Stealth Rock follows the inverse matchups - Stealth Rock against Charizard deals 1/32 of max HP", async () => {
game.scene.arena.addTag(ArenaTagType.STEALTH_ROCK, 1, Moves.STEALTH_ROCK, 0);
game.override.enemySpecies(Species.CHARIZARD).enemyLevel(100);
await game.challengeMode.startBattle();
const charizard = game.scene.getEnemyPokemon()!;
const maxHp = charizard.getMaxHp();
const damage_prediction = Math.max(Math.round(charizard.getMaxHp() / 32), 1);
console.log("Damage calcuation before round: " + charizard.getMaxHp() / 32);
const currentHp = charizard.hp;
const expectedHP = maxHp - damage_prediction;
console.log(
"Charizard's max HP: " + maxHp,
"Damage: " + damage_prediction,
"Current HP: " + currentHp,
"Expected HP: " + expectedHP,
);
expect(currentHp).toBeGreaterThan((maxHp * 31) / 32 - 1);
});
it("Freeze Dry is 2x effective against Water Type like other Ice type Move - Freeze Dry against Squirtle", async () => {
game.override.moveset([Moves.FREEZE_DRY]).enemySpecies(Species.SQUIRTLE);
await game.challengeMode.startBattle();
const enemy = game.scene.getEnemyPokemon()!;
vi.spyOn(enemy, "getMoveEffectiveness");
game.move.select(Moves.FREEZE_DRY);
await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
await game.phaseInterceptor.to("MoveEffectPhase");
expect(enemy.getMoveEffectiveness).toHaveLastReturnedWith(2);
});
it("Water Absorb should heal against water moves - Water Absorb against Water gun", async () => {
game.override.moveset([Moves.WATER_GUN]).enemyAbility(Abilities.WATER_ABSORB);
await game.challengeMode.startBattle();
const enemy = game.scene.getEnemyPokemon()!;
enemy.hp = enemy.getMaxHp() - 1;
game.move.select(Moves.WATER_GUN);
await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
await game.phaseInterceptor.to("MoveEndPhase");
expect(enemy.hp).toBe(enemy.getMaxHp());
});
it("Fire type does not get burned - Will-O-Wisp against Charmander", async () => {
game.override.moveset([Moves.WILL_O_WISP]).enemySpecies(Species.CHARMANDER);
await game.challengeMode.startBattle();
const enemy = game.scene.getEnemyPokemon()!;
game.move.select(Moves.WILL_O_WISP);
await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
await game.move.forceHit();
await game.phaseInterceptor.to("MoveEndPhase");
expect(enemy.status?.effect).not.toBe(StatusEffect.BURN);
});
it("Electric type does not get paralyzed - Nuzzle against Pikachu", async () => {
game.override.moveset([Moves.NUZZLE]).enemySpecies(Species.PIKACHU).enemyLevel(50);
await game.challengeMode.startBattle();
const enemy = game.scene.getEnemyPokemon()!;
game.move.select(Moves.NUZZLE);
await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
await game.phaseInterceptor.to("MoveEndPhase");
expect(enemy.status?.effect).not.toBe(StatusEffect.PARALYSIS);
});
it("Ground type is not immune to Thunder Wave - Thunder Wave against Sandshrew", async () => {
game.override.moveset([Moves.THUNDER_WAVE]).enemySpecies(Species.SANDSHREW);
await game.challengeMode.startBattle();
const enemy = game.scene.getEnemyPokemon()!;
game.move.select(Moves.THUNDER_WAVE);
await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
await game.move.forceHit();
await game.phaseInterceptor.to("MoveEndPhase");
expect(enemy.status?.effect).toBe(StatusEffect.PARALYSIS);
});
it("Anticipation should trigger on 2x effective moves - Anticipation against Thunderbolt", async () => {
game.override.moveset([Moves.THUNDERBOLT]).enemySpecies(Species.SANDSHREW).enemyAbility(Abilities.ANTICIPATION);
await game.challengeMode.startBattle();
expect(game.scene.getEnemyPokemon()?.summonData.abilitiesApplied[0]).toBe(Abilities.ANTICIPATION);
});
it("Conversion 2 should change the type to the resistive type - Conversion 2 against Dragonite", async () => {
game.override
.moveset([Moves.CONVERSION_2])
.enemyMoveset([Moves.DRAGON_CLAW, Moves.DRAGON_CLAW, Moves.DRAGON_CLAW, Moves.DRAGON_CLAW]);
await game.challengeMode.startBattle();
const player = game.scene.getPlayerPokemon()!;
game.move.select(Moves.CONVERSION_2);
await game.setTurnOrder([BattlerIndex.ENEMY, BattlerIndex.PLAYER]);
await game.phaseInterceptor.to("TurnEndPhase");
expect(player.getTypes()[0]).toBe(PokemonType.DRAGON);
});
it("Flying Press should be 0.25x effective against Grass + Dark Type - Flying Press against Meowscarada", async () => {
game.override.moveset([Moves.FLYING_PRESS]).enemySpecies(Species.MEOWSCARADA);
await game.challengeMode.startBattle();
const enemy = game.scene.getEnemyPokemon()!;
vi.spyOn(enemy, "getMoveEffectiveness");
game.move.select(Moves.FLYING_PRESS);
await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
await game.phaseInterceptor.to("MoveEffectPhase");
expect(enemy.getMoveEffectiveness).toHaveLastReturnedWith(0.25);
});
it("Scrappy ability has no effect - Tackle against Ghost Type still 2x effective with Scrappy", async () => {
game.override.moveset([Moves.TACKLE]).ability(Abilities.SCRAPPY).enemySpecies(Species.GASTLY);
await game.challengeMode.startBattle();
const enemy = game.scene.getEnemyPokemon()!;
vi.spyOn(enemy, "getMoveEffectiveness");
game.move.select(Moves.TACKLE);
await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
await game.phaseInterceptor.to("MoveEffectPhase");
expect(enemy.getMoveEffectiveness).toHaveLastReturnedWith(2);
});
it("FORESIGHT has no effect - Tackle against Ghost Type still 2x effective with Foresight", async () => {
game.override.moveset([Moves.FORESIGHT, Moves.TACKLE]).enemySpecies(Species.GASTLY);
await game.challengeMode.startBattle();
const enemy = game.scene.getEnemyPokemon()!;
vi.spyOn(enemy, "getMoveEffectiveness");
game.move.select(Moves.FORESIGHT);
await game.setTurnOrder([BattlerIndex.ENEMY, BattlerIndex.PLAYER]);
await game.phaseInterceptor.to("TurnEndPhase");
game.move.select(Moves.TACKLE);
await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
await game.phaseInterceptor.to("MoveEffectPhase");
expect(enemy.getMoveEffectiveness).toHaveLastReturnedWith(2);
});
});