add: steamroller test

src/test/moves/steamroller.test.ts

@@ -0,0 +1,58 @@
+import { BattlerIndex } from "#app/battle";
+import { allMoves } from "#app/data/move";
+import { BattlerTagType } from "#app/enums/battler-tag-type";
+import { DamageCalculationResult } 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 Phaser from "phaser";
+import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
+
+describe("Moves - Steamroller", () => {
+  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.STEAMROLLER]).battleType("single").enemyAbility(Abilities.BALL_FETCH);
+  });
+
+  it("should always hit a minimzed target with double damage", async () => {
+    game.override.enemySpecies(Species.DITTO).enemyMoveset(Moves.MINIMIZE);
+    await game.classicMode.startBattle([Species.IRON_BOULDER]);
+
+    const ditto = game.scene.getEnemyPokemon()!;
+    vi.spyOn(ditto, "getAttackDamage");
+    ditto.hp = 5000;
+    const steamroller = allMoves[Moves.STEAMROLLER];
+    vi.spyOn(steamroller, "calculateBattleAccuracy");
+    const ironBoulder = game.scene.getPlayerPokemon()!;
+    vi.spyOn(ironBoulder, "getAccuracyMultiplier");
+    // Turn 1
+    game.move.select(Moves.STEAMROLLER);
+    await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
+    await game.toNextTurn();
+    // Turn 2
+    game.move.select(Moves.STEAMROLLER);
+    await game.toNextTurn();
+
+    const [dmgCalcTurn1, dmgCalcTurn2]: DamageCalculationResult[] = vi
+      .mocked(ditto.getAttackDamage)
+      .mock.results.map((r) => r.value);
+
+    expect(dmgCalcTurn2.damage).toBeGreaterThanOrEqual(dmgCalcTurn1.damage * 2);
+    expect(ditto.getTag(BattlerTagType.MINIMIZED)).toBeDefined();
+    expect(steamroller.calculateBattleAccuracy).toHaveReturnedWith(-1);
+  });
+});