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Add magic coat tests
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@SirzBenjie
SirzBenjie committed Feb 2, 2025
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309 changes: 309 additions & 0 deletions src/test/moves/magic_coat.test.ts
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import { BattlerIndex } from "#app/battle";
import { ArenaTagSide } from "#app/data/arena-tag";
import { allMoves } from "#app/data/move";
import { ArenaTagType } from "#app/enums/arena-tag-type";
import { BattlerTagType } from "#app/enums/battler-tag-type";
import { Stat } from "#app/enums/stat";
import { StatusEffect } from "#app/enums/status-effect";
import { MoveResult } from "#app/field/pokemon";
import { Abilities } from "#enums/abilities";
import { Moves } from "#enums/moves";
import { Species } from "#enums/species";
import GameManager from "#test/utils/gameManager";
import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";

describe("Moves - Magic Coat", () => {
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.override
.ability(Abilities.BALL_FETCH)
.battleType("single")
.disableCrits()
.enemySpecies(Species.MAGIKARP)
.enemyAbility(Abilities.BALL_FETCH)
.enemyMoveset(Moves.MAGIC_COAT);
});

it("should fail if the user goes last in the turn", async () => {
game.override.moveset([ Moves.PROTECT ]);
await game.classicMode.startBattle([ Species.MAGIKARP ]);

game.move.select(Moves.PROTECT);
await game.phaseInterceptor.to("BerryPhase");
expect(game.scene.getEnemyPokemon()!.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
});

it("should fail if called again in the same turn due to moves like instruct", async () => {
game.override.moveset([ Moves.INSTRUCT ]);
await game.classicMode.startBattle([ Species.MAGIKARP ]);

game.move.select(Moves.INSTRUCT);
await game.phaseInterceptor.to("BerryPhase");
expect(game.scene.getEnemyPokemon()!.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
});

it("should not reflect moves used on the next turn", async () => {
game.override.moveset([ Moves.GROWL, Moves.SPLASH ]);
game.override.enemyMoveset([ Moves.MAGIC_COAT, Moves.SPLASH ]);
await game.classicMode.startBattle([ Species.MAGIKARP ]);

// turn 1
game.move.select(Moves.SPLASH);
await game.forceEnemyMove(Moves.MAGIC_COAT);
await game.toNextTurn();

// turn 2
game.move.select(Moves.GROWL);
await game.forceEnemyMove(Moves.SPLASH);
await game.phaseInterceptor.to("BerryPhase");
expect(game.scene.getEnemyPokemon()!.getStatStage(Stat.ATK)).toBe(-1);

Check failure on line 72 in src/test/moves/magic_coat.test.ts

View workflow job for this annotation

GitHub Actions / Run Tests (10) / Shard 10 of 10

src/test/moves/magic_coat.test.ts > Moves - Magic Coat > should not reflect moves used on the next turn 

AssertionError: expected +0 to be -1 // Object.is equality

- Expected
+ Received

- -1
+ 0

 ❯ src/test/moves/magic_coat.test.ts:72:66
});

it("should reflect basic status moves", async () => {
game.override.moveset([ Moves.GROWL ]);
await game.classicMode.startBattle([ Species.MAGIKARP ]);

game.move.select(Moves.GROWL);
await game.phaseInterceptor.to("BerryPhase");
expect(game.scene.getPlayerPokemon()!.getStatStage(Stat.ATK)).toBe(-1);
});

it("should individually bounce back multi-target moves when used by both targets in doubles", async () => {
game.override.battleType("double");
game.override.moveset([ Moves.GROWL, Moves.SPLASH ]);
await game.classicMode.startBattle([ Species.MAGIKARP, Species.MAGIKARP ]);

game.move.select(Moves.GROWL, 0);
game.move.select(Moves.SPLASH, 1);
await game.phaseInterceptor.to("BerryPhase");

const user = game.scene.getPlayerField()[0];
expect(user.getStatStage(Stat.ATK)).toBe(-2);
});

it("should bounce back a spread status move against both pokemon", async () => {
game.override.battleType("double");
game.override.moveset([ Moves.GROWL, Moves.SPLASH ]);
game.override.enemyMoveset([ Moves.SPLASH, Moves.MAGIC_COAT ]);
await game.classicMode.startBattle([ Species.MAGIKARP, Species.MAGIKARP ]);

game.move.select(Moves.GROWL, 0);
game.move.select(Moves.SPLASH, 1);
await game.forceEnemyMove(Moves.SPLASH);
await game.forceEnemyMove(Moves.MAGIC_COAT);

await game.phaseInterceptor.to("BerryPhase");
expect(game.scene.getPlayerField().every(p => p.getStatStage(Stat.ATK) === -1)).toBeTruthy();
});

it("should still bounce back a move that would otherwise fail", async () => {
await game.classicMode.startBattle([ Species.MAGIKARP ]);
game.scene.getEnemyPokemon()?.setStatStage(Stat.ATK, -6);
game.override.moveset([ Moves.GROWL ]);

game.move.select(Moves.GROWL);
await game.phaseInterceptor.to("BerryPhase");

expect(game.scene.getPlayerPokemon()!.getStatStage(Stat.ATK)).toBe(-1);
});

it("should not bounce back a move that was just bounced", async () => {
game.override.battleType("double");
game.override.ability(Abilities.MAGIC_BOUNCE);
game.override.moveset([ Moves.GROWL, Moves.MAGIC_COAT ]);
game.override.enemyMoveset([ Moves.SPLASH, Moves.MAGIC_COAT ]);
await game.classicMode.startBattle([ Species.MAGIKARP, Species.MAGIKARP ]);

game.move.select(Moves.MAGIC_COAT, 0);
game.move.select(Moves.GROWL, 1);
await game.forceEnemyMove(Moves.MAGIC_COAT);
await game.forceEnemyMove(Moves.SPLASH);
await game.phaseInterceptor.to("BerryPhase");

expect(game.scene.getEnemyField()[0].getStatStage(Stat.ATK)).toBe(0);
});

// todo while Mirror Armor is not implemented
it.todo("should receive the stat change after reflecting a move back to a mirror armor user", async () => {
await game.classicMode.startBattle([ Species.MAGIKARP ]);

game.move.select(Moves.GROWL);
await game.phaseInterceptor.to("BerryPhase");

expect(game.scene.getEnemyPokemon()!.getStatStage(Stat.ATK)).toBe(-1);
});

it("should still bounce back a move from a mold breaker user", async () => {
game.override.ability(Abilities.MOLD_BREAKER);
game.override.moveset([ Moves.GROWL ]);
await game.classicMode.startBattle([ Species.MAGIKARP ]);

game.move.select(Moves.GROWL);
await game.phaseInterceptor.to("BerryPhase");

expect(game.scene.getEnemyPokemon()!.getStatStage(Stat.ATK)).toBe(0);
expect(game.scene.getPlayerPokemon()!.getStatStage(Stat.ATK)).toBe(-1);
});

it("should only bounce spikes back once when both targets use magic coat in doubles", async () => {
game.override.battleType("double");
await game.classicMode.startBattle([ Species.MAGIKARP ]);
game.override.moveset([ Moves.SPIKES ]);

game.move.select(Moves.SPIKES);
await game.phaseInterceptor.to("BerryPhase");

expect(game.scene.arena.getTagOnSide(ArenaTagType.SPIKES, ArenaTagSide.PLAYER)!["layers"]).toBe(1);
expect(game.scene.arena.getTagOnSide(ArenaTagType.SPIKES, ArenaTagSide.ENEMY)).toBeUndefined();
});

it("should not bounce back curse", async() => {
game.override.starterSpecies(Species.GASTLY);
await game.classicMode.startBattle([ Species.GASTLY ]);
game.override.moveset([ Moves.CURSE ]);

game.move.select(Moves.CURSE);
await game.phaseInterceptor.to("BerryPhase");

expect(game.scene.getEnemyPokemon()!.getTag(BattlerTagType.CURSED)).toBeDefined();
});

// TODO: encore is failing if the last move was virtual.
it.todo("should not cause the bounced move to count for encore", async () => {
game.override.moveset([ Moves.GROWL, Moves.ENCORE ]);
game.override.enemyMoveset([ Moves.MAGIC_COAT, Moves.TACKLE ]);
game.override.enemyAbility(Abilities.MAGIC_BOUNCE);

await game.classicMode.startBattle([ Species.MAGIKARP ]);
const enemyPokemon = game.scene.getEnemyPokemon()!;

// turn 1
game.move.select(Moves.GROWL);
await game.forceEnemyMove(Moves.MAGIC_COAT);
await game.toNextTurn();

// turn 2
game.move.select(Moves.ENCORE);
await game.forceEnemyMove(Moves.TACKLE);
await game.setTurnOrder([ BattlerIndex.PLAYER, BattlerIndex.ENEMY ]);
await game.phaseInterceptor.to("BerryPhase");
expect(enemyPokemon.getTag(BattlerTagType.ENCORE)!["moveId"]).toBe(Moves.TACKLE);
expect(enemyPokemon.getLastXMoves()[0].move).toBe(Moves.TACKLE);
});

// TODO: stomping tantrum should consider moves that were bounced.
it.todo("should cause stomping tantrum to double in power when the last move was bounced", async () => {
game.override.battleType("single");
await game.classicMode.startBattle([ Species.MAGIKARP ]);
game.override.moveset([ Moves.STOMPING_TANTRUM, Moves.CHARM ]);

const stomping_tantrum = allMoves[Moves.STOMPING_TANTRUM];
vi.spyOn(stomping_tantrum, "calculateBattlePower");

game.move.select(Moves.CHARM);
await game.toNextTurn();

game.move.select(Moves.STOMPING_TANTRUM);
await game.phaseInterceptor.to("BerryPhase");
expect(stomping_tantrum.calculateBattlePower).toHaveReturnedWith(150);
});

// TODO: stomping tantrum should consider moves that were bounced.
it.todo("should properly cause the enemy's stomping tantrum to be doubled in power after bouncing and failing", async () => {
game.override.enemyMoveset([ Moves.STOMPING_TANTRUM, Moves.SPLASH, Moves.CHARM ]);
await game.classicMode.startBattle([ Species.BULBASAUR ]);

const stomping_tantrum = allMoves[Moves.STOMPING_TANTRUM];
const enemy = game.scene.getEnemyPokemon()!;
vi.spyOn(stomping_tantrum, "calculateBattlePower");

game.move.select(Moves.SPORE);
await game.forceEnemyMove(Moves.CHARM);
await game.phaseInterceptor.to("TurnEndPhase");
expect(enemy.getLastXMoves(1)[0].result).toBe("success");

await game.phaseInterceptor.to("BerryPhase");
expect(stomping_tantrum.calculateBattlePower).toHaveReturnedWith(75);

await game.toNextTurn();
game.move.select(Moves.GROWL);
await game.phaseInterceptor.to("BerryPhase");
expect(stomping_tantrum.calculateBattlePower).toHaveReturnedWith(75);
});

it("should respect immunities when bouncing a move", async () => {
vi.spyOn(allMoves[Moves.THUNDER_WAVE], "accuracy", "get").mockReturnValue(100);
game.override.moveset([ Moves.THUNDER_WAVE, Moves.GROWL ]);
game.override.ability(Abilities.SOUNDPROOF);
await game.classicMode.startBattle([ Species.PHANPY ]);

// Turn 1 - thunder wave immunity test
game.move.select(Moves.THUNDER_WAVE);
await game.phaseInterceptor.to("BerryPhase");
expect(game.scene.getPlayerPokemon()!.status).toBeUndefined();

// Turn 2 - soundproof immunity test
game.move.select(Moves.GROWL);
await game.phaseInterceptor.to("BerryPhase");
expect(game.scene.getPlayerPokemon()!.getStatStage(Stat.ATK)).toBe(0);
});

it("should bounce back a move before the accuracy check", async () => {
game.override.moveset([ Moves.SPORE ]);
await game.classicMode.startBattle([ Species.MAGIKARP ]);

const attacker = game.scene.getPlayerPokemon()!;

vi.spyOn(attacker, "getAccuracyMultiplier").mockReturnValue(0.0);
game.move.select(Moves.SPORE);
await game.phaseInterceptor.to("BerryPhase");
expect(game.scene.getPlayerPokemon()!.status?.effect).toBe(StatusEffect.SLEEP);
});

it("should take the accuracy of the magic bounce user into account", async () => {
game.override.moveset([ Moves.SPORE ]);
await game.classicMode.startBattle([ Species.MAGIKARP ]);
const opponent = game.scene.getEnemyPokemon()!;

vi.spyOn(opponent, "getAccuracyMultiplier").mockReturnValue(0);
game.move.select(Moves.SPORE);
await game.phaseInterceptor.to("BerryPhase");
expect(game.scene.getPlayerPokemon()!.status).toBeUndefined();
});

it("should follow speed order, respecting trick room, when reflecting field effect moves", async () => {
game.override.battleType("double");
game.override.moveset([ Moves.STICKY_WEB, Moves.SPLASH, Moves.TRICK_ROOM ]);

await game.classicMode.startBattle([ Species.MAGIKARP, Species.MAGIKARP ]);
const [ enemy_1, enemy_2 ] = game.scene.getEnemyField();
enemy_1.setStat(Stat.SPD, enemy_2.getStat(Stat.SPD) + 1);

// turn 1
game.move.select(Moves.STICKY_WEB, 0);
game.move.select(Moves.TRICK_ROOM, 1);
await game.phaseInterceptor.to("TurnEndPhase");

expect(game.scene.arena.getTagOnSide(ArenaTagType.STICKY_WEB, ArenaTagSide.PLAYER)?.getSourcePokemon()?.getBattlerIndex()).toBe(BattlerIndex.ENEMY);
game.scene.arena.removeTagOnSide(ArenaTagType.STICKY_WEB, ArenaTagSide.PLAYER, true);

// turn 2
game.move.select(Moves.STICKY_WEB, 0);
game.move.select(Moves.TRICK_ROOM, 1);
await game.phaseInterceptor.to("BerryPhase");
expect(game.scene.arena.getTagOnSide(ArenaTagType.STICKY_WEB, ArenaTagSide.PLAYER)?.getSourcePokemon()?.getBattlerIndex()).toBe(BattlerIndex.ENEMY_2);

Check failure on line 307 in src/test/moves/magic_coat.test.ts

View workflow job for this annotation

GitHub Actions / Run Tests (10) / Shard 10 of 10

src/test/moves/magic_coat.test.ts > Moves - Magic Coat > should follow speed order, respecting trick room, when reflecting field effect moves 

AssertionError: expected 2 to be 3 // Object.is equality

- Expected
+ Received

- 3
+ 2

 ❯ src/test/moves/magic_coat.test.ts:307:128
});
});

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