[Test] Add tests for Freeze-Dry (#3990)

src/test/moves/freeze_dry.test.ts

@@ -0,0 +1,107 @@
+import { BattlerIndex } from "#app/battle";
+import { Abilities } from "#app/enums/abilities";
+import { Moves } from "#app/enums/moves";
+import { Species } from "#app/enums/species";
+import GameManager from "#test/utils/gameManager";
+import { SPLASH_ONLY } from "#test/utils/testUtils";
+import Phaser from "phaser";
+import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
+
+describe("Moves - Freeze-Dry", () => {
+  let phaserGame: Phaser.Game;
+  let game: GameManager;
+  const TIMEOUT = 20 * 1000;
+
+  beforeAll(() => {
+    phaserGame = new Phaser.Game({
+      type: Phaser.HEADLESS,
+    });
+  });
+
+  afterEach(() => {
+    game.phaseInterceptor.restoreOg();
+  });
+
+  beforeEach(() => {
+    game = new GameManager(phaserGame);
+    game.override
+      .battleType("single")
+      .enemySpecies(Species.MAGIKARP)
+      .enemyAbility(Abilities.BALL_FETCH)
+      .enemyMoveset(SPLASH_ONLY)
+      .starterSpecies(Species.FEEBAS)
+      .ability(Abilities.BALL_FETCH)
+      .moveset([Moves.FREEZE_DRY]);
+  });
+
+  it("should deal 2x damage to pure water types", async () => {
+    await game.classicMode.startBattle();
+
+    const enemy = game.scene.getEnemyPokemon()!;
+    vi.spyOn(enemy, "getMoveEffectiveness");
+
+    game.move.select(Moves.FREEZE_DRY);
+    await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
+    await game.phaseInterceptor.to("MoveEffectPhase");
+
+    expect(enemy.getMoveEffectiveness).toHaveReturnedWith(2);
+  }, TIMEOUT);
+
+  it("should deal 4x damage to water/flying types", async () => {
+    game.override.enemySpecies(Species.WINGULL);
+    await game.classicMode.startBattle();
+
+    const enemy = game.scene.getEnemyPokemon()!;
+    vi.spyOn(enemy, "getMoveEffectiveness");
+
+    game.move.select(Moves.FREEZE_DRY);
+    await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
+    await game.phaseInterceptor.to("MoveEffectPhase");
+
+    expect(enemy.getMoveEffectiveness).toHaveReturnedWith(4);
+  }, TIMEOUT);
+
+  it("should deal 1x damage to water/fire types", async () => {
+    game.override.enemySpecies(Species.VOLCANION);
+    await game.classicMode.startBattle();
+
+    const enemy = game.scene.getEnemyPokemon()!;
+    vi.spyOn(enemy, "getMoveEffectiveness");
+
+    game.move.select(Moves.FREEZE_DRY);
+    await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
+    await game.phaseInterceptor.to("MoveEffectPhase");
+
+    expect(enemy.getMoveEffectiveness).toHaveReturnedWith(1);
+  }, TIMEOUT);
+
+  // enable if this is ever fixed (lol)
+  it.todo("should deal 2x damage to water types under Normalize", async () => {
+    game.override.ability(Abilities.NORMALIZE);
+    await game.classicMode.startBattle();
+
+    const enemy = game.scene.getEnemyPokemon()!;
+    vi.spyOn(enemy, "getMoveEffectiveness");
+
+    game.move.select(Moves.FREEZE_DRY);
+    await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
+    await game.phaseInterceptor.to("MoveEffectPhase");
+
+    expect(enemy.getMoveEffectiveness).toHaveReturnedWith(2);
+  }, TIMEOUT);
+
+  // enable once Electrify is implemented (and the interaction is fixed, as above)
+  it.todo("should deal 2x damage to water types under Electrify", async () => {
+    game.override.enemyMoveset(Array(4).fill(Moves.ELECTRIFY));
+    await game.classicMode.startBattle();
+
+    const enemy = game.scene.getEnemyPokemon()!;
+    vi.spyOn(enemy, "getMoveEffectiveness");
+
+    game.move.select(Moves.FREEZE_DRY);
+    await game.setTurnOrder([BattlerIndex.ENEMY, BattlerIndex.PLAYER]);
+    await game.phaseInterceptor.to("BerryPhase");
+
+    expect(enemy.getMoveEffectiveness).toHaveReturnedWith(2);
+  }, TIMEOUT);
+});