[Unit Test] add tailwind unit tests (#2436)

* add tailwind unit tests

* add addtl test

src/test/moves/tailwind.test.ts

@@ -0,0 +1,108 @@
+import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
+import Phaser from "phaser";
+import GameManager from "#app/test/utils/gameManager";
+import * as overrides from "#app/overrides";
+import { Species } from "#enums/species";
+import {
+  TurnEndPhase,
+} from "#app/phases";
+import { Moves } from "#enums/moves";
+import { getMovePosition } from "#app/test/utils/gameManagerUtils";
+import { Stat } from "#app/data/pokemon-stat.js";
+import { ArenaTagType } from "#app/enums/arena-tag-type.js";
+import { ArenaTagSide } from "#app/data/arena-tag.js";
+
+describe("Abilities - Wind Rider", () => {
+  let phaserGame: Phaser.Game;
+  let game: GameManager;
+
+  beforeAll(() => {
+    phaserGame = new Phaser.Game({
+      type: Phaser.HEADLESS,
+    });
+  });
+
+  afterEach(() => {
+    game.phaseInterceptor.restoreOg();
+  });
+
+  beforeEach(() => {
+    game = new GameManager(phaserGame);
+    vi.spyOn(overrides, "DOUBLE_BATTLE_OVERRIDE", "get").mockReturnValue(true);
+    vi.spyOn(overrides, "MOVESET_OVERRIDE", "get").mockReturnValue([Moves.TAILWIND, Moves.SPLASH, Moves.PETAL_BLIZZARD, Moves.SANDSTORM]);
+    vi.spyOn(overrides, "OPP_MOVESET_OVERRIDE", "get").mockReturnValue([Moves.SPLASH, Moves.SPLASH, Moves.SPLASH, Moves.SPLASH]);
+  });
+
+  it("doubles the Speed stat of the Pokemons on its side", async () => {
+    await game.startBattle([Species.MAGIKARP, Species.MEOWTH]);
+    const magikarp = game.scene.getPlayerField()[0];
+    const meowth = game.scene.getPlayerField()[1];
+
+    const magikarpSpd = magikarp.getStat(Stat.SPD);
+    const meowthSpd = meowth.getStat(Stat.SPD);
+
+    expect(magikarp.getBattleStat(Stat.SPD)).equal(magikarpSpd);
+    expect(meowth.getBattleStat(Stat.SPD)).equal(meowthSpd);
+
+    game.doAttack(getMovePosition(game.scene, 0, Moves.TAILWIND));
+    game.doAttack(getMovePosition(game.scene, 1, Moves.SPLASH));
+
+    await game.phaseInterceptor.to(TurnEndPhase);
+
+    expect(magikarp.getBattleStat(Stat.SPD)).toBe(magikarpSpd * 2);
+    expect(meowth.getBattleStat(Stat.SPD)).toBe(meowthSpd * 2);
+    expect(game.scene.arena.getTagOnSide(ArenaTagType.TAILWIND, ArenaTagSide.PLAYER)).toBeDefined();
+  });
+
+  it("lasts for 4 turns", async () => {
+    vi.spyOn(overrides, "DOUBLE_BATTLE_OVERRIDE", "get").mockReturnValue(false);
+    vi.spyOn(overrides, "SINGLE_BATTLE_OVERRIDE", "get").mockReturnValue(true);
+
+    await game.startBattle([Species.MAGIKARP]);
+
+    game.doAttack(getMovePosition(game.scene, 0, Moves.TAILWIND));
+    await game.toNextTurn();
+    expect(game.scene.arena.getTagOnSide(ArenaTagType.TAILWIND, ArenaTagSide.PLAYER)).toBeDefined();
+
+    game.doAttack(getMovePosition(game.scene, 0, Moves.SPLASH));
+    await game.toNextTurn();
+    expect(game.scene.arena.getTagOnSide(ArenaTagType.TAILWIND, ArenaTagSide.PLAYER)).toBeDefined();
+
+    game.doAttack(getMovePosition(game.scene, 0, Moves.SPLASH));
+    await game.toNextTurn();
+    expect(game.scene.arena.getTagOnSide(ArenaTagType.TAILWIND, ArenaTagSide.PLAYER)).toBeDefined();
+
+    game.doAttack(getMovePosition(game.scene, 0, Moves.SPLASH));
+    await game.toNextTurn();
+
+    expect(game.scene.arena.getTagOnSide(ArenaTagType.TAILWIND, ArenaTagSide.PLAYER)).toBeUndefined();
+  });
+
+  it("does not affect the opposing side", async () => {
+    vi.spyOn(overrides, "DOUBLE_BATTLE_OVERRIDE", "get").mockReturnValue(false);
+    vi.spyOn(overrides, "SINGLE_BATTLE_OVERRIDE", "get").mockReturnValue(true);
+
+    await game.startBattle([Species.MAGIKARP]);
+
+    const ally = game.scene.getPlayerPokemon();
+    const enemy = game.scene.getEnemyPokemon();
+
+    const allySpd = ally.getStat(Stat.SPD);
+    const enemySpd = enemy.getStat(Stat.SPD);
+
+
+    expect(ally.getBattleStat(Stat.SPD)).equal(allySpd);
+    expect(enemy.getBattleStat(Stat.SPD)).equal(enemySpd);
+    expect(game.scene.arena.getTagOnSide(ArenaTagType.TAILWIND, ArenaTagSide.PLAYER)).toBeUndefined();
+    expect(game.scene.arena.getTagOnSide(ArenaTagType.TAILWIND, ArenaTagSide.ENEMY)).toBeUndefined();
+
+    game.doAttack(getMovePosition(game.scene, 0, Moves.TAILWIND));
+
+    await game.phaseInterceptor.to(TurnEndPhase);
+
+    expect(ally.getBattleStat(Stat.SPD)).toBe(allySpd * 2);
+    expect(enemy.getBattleStat(Stat.SPD)).equal(enemySpd);
+    expect(game.scene.arena.getTagOnSide(ArenaTagType.TAILWIND, ArenaTagSide.PLAYER)).toBeDefined();
+    expect(game.scene.arena.getTagOnSide(ArenaTagType.TAILWIND, ArenaTagSide.ENEMY)).toBeUndefined();
+  });
+});