Add tests

src/test/internals.test.ts

@@ -0,0 +1,43 @@
+import { afterEach, beforeAll, beforeEach, describe, expect, it } from "vitest";
+import Phaser from "phaser";
+import GameManager from "#app/test/utils/gameManager";
+import { Species } from "#app/enums/species.js";
+import { Abilities } from "#app/enums/abilities.js";
+
+describe("Internals", () => {
+  let phaserGame: Phaser.Game;
+  let game: GameManager;
+
+  beforeAll(() => {
+    phaserGame = new Phaser.Game({
+      type: Phaser.HEADLESS,
+    });
+  });
+
+  afterEach(() => {
+    game.phaseInterceptor.restoreOg();
+  });
+
+  beforeEach(() => {
+    game = new GameManager(phaserGame);
+  });
+
+  it("PokemonSpeciesForm - .getAbilityCount() and .getAbility()", async () => {
+    await game.runToSummon([Species.EEVEE]);
+    const eevee = game.scene.getPlayerPokemon();
+
+    expect(eevee.getSpeciesForm().getAbilityCount()).toBe(3);
+
+    expect(eevee.getSpeciesForm().getAbility(0)).toBe(Abilities.RUN_AWAY);
+    expect(eevee.getSpeciesForm().getAbility(1)).toBe(Abilities.ADAPTABILITY);
+    expect(eevee.getSpeciesForm().getAbility(2)).toBe(Abilities.ANTICIPATION);
+  });
+
+  it("Pokemon.abilityIndex definition", async () => {
+    await game.runToSummon([Species.EEVEE]);
+    const eevee = game.scene.getPlayerPokemon();
+
+    const abilityIndexInRange = ([0, 1, 2].includes(eevee.abilityIndex));
+    expect(abilityIndexInRange).toBe(true);
+  });
+});