Add test for scale shot

src/test/moves/scale_shot.test.ts

@@ -0,0 +1,74 @@
+import { DamagePhase } from "#app/phases/damage-phase";
+import { MoveEffectPhase } from "#app/phases/move-effect-phase";
+import { MoveEndPhase } from "#app/phases/move-end-phase";
+import { TurnEndPhase } from "#app/phases/turn-end-phase";
+import { Abilities } from "#enums/abilities";
+import { Moves } from "#enums/moves";
+import { Species } from "#enums/species";
+import { Stat } from "#enums/stat";
+import GameManager from "#test/utils/gameManager";
+import Phaser from "phaser";
+import { afterEach, beforeAll, beforeEach, describe, it, expect } from "vitest";
+
+describe("Moves - Scale Shot", () => {
+  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
+      .moveset([Moves.SCALE_SHOT])
+      .battleType("single")
+      .disableCrits()
+      .starterSpecies(Species.MINCCINO)
+      .ability(Abilities.NO_GUARD)
+      .passiveAbility(Abilities.SKILL_LINK)
+      .enemyAbility(Abilities.SHEER_FORCE)
+      .enemyPassiveAbility(Abilities.STALL)
+      .enemyMoveset(Moves.SKILL_SWAP)
+      .enemyLevel(5);
+  });
+
+  it("applies stat changes after last hit", async () => {
+    await game.classicMode.startBattle([Species.FORRETRESS]);
+    const minccino = game.scene.getPlayerPokemon()!;
+    game.move.select(Moves.SCALE_SHOT);
+    await game.phaseInterceptor.to(MoveEffectPhase);
+    await game.phaseInterceptor.to(DamagePhase);
+    await game.phaseInterceptor.to(MoveEffectPhase);
+    expect (minccino?.getStatStage(Stat.DEF)).toBe(0);
+    expect (minccino?.getStatStage(Stat.SPD)).toBe(0);
+    await game.phaseInterceptor.to(MoveEndPhase);
+    expect (minccino.getStatStage(Stat.DEF)).toBe(-1);
+    expect (minccino.getStatStage(Stat.SPD)).toBe(1);
+  });
+
+  it("unaffected by sheer force", async () => {
+    await game.classicMode.startBattle([Species.WOBBUFFET]);
+    const minccino = game.scene.getPlayerPokemon()!;
+    const wobbuffet = game.scene.getEnemyPokemon()!;
+    wobbuffet.setStat(Stat.HP, 100, true);
+    wobbuffet.hp = 100;
+    game.move.select(Moves.SCALE_SHOT);
+    await game.phaseInterceptor.to(TurnEndPhase);
+    const hpafter1 = wobbuffet.hp;
+    //effect not nullified by sheer force
+    expect (minccino.getStatStage(Stat.DEF)).toBe(-1);
+    expect (minccino.getStatStage(Stat.SPD)).toBe(1);
+    game.move.select(Moves.SCALE_SHOT);
+    await game.phaseInterceptor.to(MoveEndPhase);
+    const hpafter2 = wobbuffet.hp;
+    //check damage not boosted- make damage before sheer force a little lower than theoretical boosted sheer force damage
+    expect (100 - hpafter1).toBe(hpafter1 - hpafter2);
+  });
+});