adding unit tests

src/test/abilities/speed_boost.test.ts

@@ -0,0 +1,103 @@
+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 } from "vitest";
+
+describe("Abilities - Speed Boost", () => {
+  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
+      .battleType("single")
+      .enemySpecies(Species.DRAGAPULT)
+      .ability(Abilities.SPEED_BOOST)
+      .enemyMoveset(Moves.SPLASH)
+      .moveset([ Moves.SPLASH, Moves.U_TURN ]);
+  });
+
+  it("should increase speed by 1 stage at end of turn",
+    async () => {
+      await game.classicMode.startBattle();
+
+      const playerPokemon = game.scene.getPlayerPokemon()!;
+      game.move.select(Moves.SPLASH);
+      await game.toNextTurn();
+
+      expect(playerPokemon.getStatStage(Stat.SPD)).toBe(1);
+    });
+
+  it("should not trigger this turn if pokemon was switched into combat via attack, but the turn after",
+    async () => {
+      await game.classicMode.startBattle([
+        Species.SHUCKLE,
+        Species.NINJASK
+      ]);
+
+      game.move.select(Moves.U_TURN);
+      game.doSelectPartyPokemon(1);
+      await game.toNextTurn();
+      const playerPokemon = game.scene.getPlayerPokemon()!;
+      expect(playerPokemon.getStatStage(Stat.SPD)).toBe(0);
+
+      game.move.select(Moves.SPLASH);
+      await game.toNextTurn();
+      expect(playerPokemon.getStatStage(Stat.SPD)).toBe(1);
+    });
+
+  it("checking back to back swtiches",
+    async () => {
+      await game.classicMode.startBattle([
+        Species.SHUCKLE,
+        Species.NINJASK
+      ]);
+
+      game.move.select(Moves.U_TURN);
+      game.doSelectPartyPokemon(1);
+      await game.toNextTurn();
+      let playerPokemon = game.scene.getPlayerPokemon()!;
+      expect(playerPokemon.getStatStage(Stat.SPD)).toBe(0);
+
+      game.move.select(Moves.U_TURN);
+      game.doSelectPartyPokemon(1);
+      await game.toNextTurn();
+      playerPokemon = game.scene.getPlayerPokemon()!;
+      expect(playerPokemon.getStatStage(Stat.SPD)).toBe(0);
+
+      game.move.select(Moves.SPLASH);
+      await game.toNextTurn();
+      expect(playerPokemon.getStatStage(Stat.SPD)).toBe(1);
+    });
+
+  it("should not trigger this turn if pokemon was switched into combat via normal switch, but the turn after",
+    async () => {
+      await game.classicMode.startBattle([
+        Species.SHUCKLE,
+        Species.NINJASK
+      ]);
+
+      game.doSwitchPokemon(1);
+      await game.toNextTurn();
+      const playerPokemon = game.scene.getPlayerPokemon()!;
+      expect(playerPokemon.getStatStage(Stat.SPD)).toBe(0);
+
+      game.move.select(Moves.SPLASH);
+      await game.toNextTurn();
+      expect(playerPokemon.getStatStage(Stat.SPD)).toBe(1);
+    });
+});