Multi-Lens integration tests

src/test/items/multi_lens.test.ts

@@ -0,0 +1,98 @@
+import { BattlerIndex } from "#app/battle";
+import { Stat } from "#enums/stat";
+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("Items - Multi Lens", () => {
+  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.TACKLE, Moves.TRAILBLAZE, Moves.TACHYON_CUTTER ])
+      .ability(Abilities.BALL_FETCH)
+      .startingHeldItems([{ name: "MULTI_LENS" }])
+      .battleType("single")
+      .disableCrits()
+      .enemySpecies(Species.SNORLAX)
+      .enemyAbility(Abilities.BALL_FETCH)
+      .enemyMoveset(Moves.SPLASH)
+      .startingLevel(100)
+      .enemyLevel(100);
+  });
+
+  it.each([
+    { stackCount: 1, firstHitDamage: 0.75 },
+    { stackCount: 2, firstHitDamage: 0.50 }
+  ])("$stackCount count: should deal {$firstHitDamage}x damage on the first hit, then hit $stackCount times for 0.25x",
+    async ({ stackCount, firstHitDamage }) => {
+      game.override.startingHeldItems([{ name: "MULTI_LENS", count: stackCount }]);
+
+      await game.classicMode.startBattle([ Species.MAGIKARP ]);
+
+      const enemyPokemon = game.scene.getEnemyPokemon()!;
+      const spy = vi.spyOn(enemyPokemon, "getAttackDamage");
+      vi.spyOn(enemyPokemon, "getBaseDamage").mockReturnValue(100);
+
+      game.move.select(Moves.TACKLE);
+      await game.setTurnOrder([ BattlerIndex.PLAYER, BattlerIndex.ENEMY ]);
+
+      await game.phaseInterceptor.to("MoveEndPhase");
+      const damageResults = spy.mock.results.map(result => result.value?.damage);
+
+      expect(damageResults).toHaveLength(1 + stackCount);
+      expect(damageResults[0]).toBe(firstHitDamage * 100);
+      damageResults.slice(1).forEach(dmg => expect(dmg).toBe(25));
+    });
+
+  it("should stack additively with Parental Bond", async () => {
+    game.override.ability(Abilities.PARENTAL_BOND);
+
+    await game.classicMode.startBattle([ Species.MAGIKARP ]);
+
+    const playerPokemon = game.scene.getPlayerPokemon()!;
+
+    game.move.select(Moves.TACKLE);
+    await game.setTurnOrder([ BattlerIndex.PLAYER, BattlerIndex.ENEMY ]);
+
+    await game.phaseInterceptor.to("MoveEndPhase");
+    expect(playerPokemon.turnData.hitCount).toBe(3);
+  });
+
+  it("should apply secondary effects on each hit", async () => {
+    await game.classicMode.startBattle([ Species.MAGIKARP ]);
+
+    const playerPokemon = game.scene.getPlayerPokemon()!;
+
+    game.move.select(Moves.TRAILBLAZE);
+
+    await game.phaseInterceptor.to("BerryPhase", false);
+    expect(playerPokemon.getStatStage(Stat.SPD)).toBe(2);
+  });
+
+  it("should not enhance multi-hit moves", async () => {
+    await game.classicMode.startBattle([ Species.MAGIKARP ]);
+
+    const playerPokemon = game.scene.getPlayerPokemon()!;
+
+    game.move.select(Moves.TACHYON_CUTTER);
+
+    await game.phaseInterceptor.to("BerryPhase", false);
+    expect(playerPokemon.turnData.hitCount).toBe(2);
+  });
+});

src/test/moves/dragon_rage.test.ts

@@ -2,7 +2,6 @@ import { Stat } from "#enums/stat";
 import { Type } from "#enums/type";
 import { Species } from "#app/enums/species";
 import { EnemyPokemon, PlayerPokemon } from "#app/field/pokemon";
-import { modifierTypes } from "#app/modifier/modifier-type";
 import { TurnEndPhase } from "#app/phases/turn-end-phase";
 import { Abilities } from "#enums/abilities";
 import { BattlerTagType } from "#enums/battler-tag-type";
@@ -114,14 +113,4 @@ describe("Moves - Dragon Rage", () => {
 
     expect(enemyPokemon.getInverseHp()).toBe(dragonRageDamage);
   });
-
-  it("ignores multi hit", async () => {
-    game.override.disableCrits();
-    game.scene.addModifier(modifierTypes.MULTI_LENS().newModifier(partyPokemon), false);
-
-    game.move.select(Moves.DRAGON_RAGE);
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    expect(enemyPokemon.getInverseHp()).toBe(dragonRageDamage);
-  });
 });