add retaliate test as draft

src/data/move.ts

@@ -7564,10 +7564,13 @@ export function initMoves() {
       .attr(CopyTypeAttr),
     new AttackMove(Moves.RETALIATE, Type.NORMAL, MoveCategory.PHYSICAL, 70, 100, 5, -1, 0, 5)
       .attr(MovePowerMultiplierAttr, (user, target, move) => (
-        user.scene.currentBattle.turn - user.scene.currentBattle.playerFaintsHistory.at(-1).turn === 1 &&
+        user.scene.currentBattle.playerFaintsHistory.at(-1) !== undefined &&
-        user instanceof PlayerPokemon ||
+        user.scene.currentBattle.turn - user.scene.currentBattle.playerFaintsHistory.at(-1)!.turn === 1 &&
-        user.scene.currentBattle.turn - user.scene.currentBattle.enemyFaintsHistory.at(-1).turn === 1 &&
+        user.isPlayer() ||
-        user instanceof EnemyPokemon) ? 2 : 1),
+        user.scene.currentBattle.enemyFaintsHistory.at(-1) !== undefined &&
+        user.scene.currentBattle.turn - user.scene.currentBattle.enemyFaintsHistory.at(-1)!.turn === 1 &&
+        !user.isPlayer()
+      ) ? 2 : 1),
     new AttackMove(Moves.FINAL_GAMBIT, Type.FIGHTING, MoveCategory.SPECIAL, -1, 100, 5, -1, 0, 5)
       .attr(UserHpDamageAttr)
       .attr(SacrificialAttrOnHit),

src/test/moves/retaliate.test.ts

@@ -0,0 +1,62 @@
+import { afterEach, beforeAll, beforeEach, describe, expect, it } from "vitest";
+import Phaser from "phaser";
+import GameManager from "#app/test/utils/gameManager";
+import { Species } from "#enums/species";
+import { Moves } from "#enums/moves";
+import { getMovePosition } from "#app/test/utils/gameManagerUtils";
+import { allMoves } from "#app/data/move.js";
+
+describe("Moves - Retaliate", () => {
+  let phaserGame: Phaser.Game;
+  let game: GameManager;
+
+  const retaliate = allMoves[Moves.RETALIATE];
+
+  beforeAll(() => {
+    phaserGame = new Phaser.Game({
+      type: Phaser.HEADLESS,
+    });
+  });
+
+  afterEach(() => {
+    game.phaseInterceptor.restoreOg();
+  });
+
+  beforeEach(() => {
+    game = new GameManager(phaserGame);
+    game.override.battleType("single");
+    game.override.enemySpecies(Species.SNORLAX);
+    game.override.enemyMoveset([Moves.RETALIATE, Moves.RETALIATE, Moves.RETALIATE, Moves.RETALIATE]);
+    game.override.enemyLevel(100);
+
+    game.override.moveset([Moves.RETALIATE, Moves.SPLASH]);
+    game.override.startingHeldItems([{name: "WIDE_LENS", count: 3}]);
+    game.override.startingLevel(70);
+    game.override.disableCrits();
+  });
+
+  it("increases power if ally died previous turn", async () => {
+    await game.startBattle([Species.ABRA, Species.COBALION]);
+    game.doAttack(getMovePosition(game.scene, 0, Moves.SPLASH));
+    game.doSelectPartyPokemon(1);
+
+    await game.toNextTurn();
+    game.doAttack(getMovePosition(game.scene, 0, Moves.RETALIATE));
+    //await game.phaseInterceptor.to(DamagePhase);
+    console.log("ALLO1");
+    let snorlax = game.scene.getEnemyPokemon()!;
+    let cobalion = game.scene.getPlayerPokemon()!;
+    expect(cobalion.name).equals("Cobalion");
+    expect(retaliate.calculateBattlePower(cobalion, snorlax)).equals(140);
+    expect(retaliate.calculateBattlePower(snorlax, cobalion)).equals(70);
+    console.log(game.scene.getEnemyPokemon()!.hp);
+    console.log(game.scene.getPlayerPokemon()!.hp);
+    //await game.toNextTurn();
+    console.log("ALLO2");
+    game.doAttack(getMovePosition(game.scene, 0, Moves.RETALIATE));
+    snorlax = game.scene.getEnemyPokemon()!;
+    cobalion = game.scene.getPlayerPokemon()!;
+    expect(retaliate.calculateBattlePower(cobalion, snorlax)).equals(70);
+    expect(retaliate.calculateBattlePower(snorlax, cobalion)).equals(70);
+  });
+});