Attempts to make new overrides for testing

src/field/pokemon.ts

@@ -1439,8 +1439,8 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
    */
   public hasPassive(): boolean {
     // returns override if valid for current case
-    if ((Overrides.PASSIVE_ABILITY_OVERRIDE !== Abilities.NONE && this.isPlayer())
-        || (Overrides.OPP_PASSIVE_ABILITY_OVERRIDE !== Abilities.NONE && !this.isPlayer())) {
+    if (((Overrides.PASSIVE_ABILITY_OVERRIDE !== Abilities.NONE || Overrides.HAS_PASSIVE_ABILITY_OVERRIDE) && this.isPlayer())
+        || ((Overrides.OPP_PASSIVE_ABILITY_OVERRIDE !== Abilities.NONE || Overrides.OPP_HAS_PASSIVE_ABILITY_OVERRIDE) && !this.isPlayer())) {
       return true;
     }
 

src/test/abilities/desolate-land.test.ts

@@ -0,0 +1,110 @@
+import { WeatherType } from "#app/enums/weather-type";
+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, it, expect, vi } from "vitest";
+
+describe("Abilities - Desolate Land", () => {
+  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.SPLASH)
+      .hasPassiveAbility(true)
+      .enemySpecies(Species.RALTS)
+      .enemyAbility(Abilities.BALL_FETCH)
+      .enemyMoveset(Moves.SPLASH);
+  });
+
+  /**
+   * This checks that the weather has changed after the Enemy Pokemon with {@linkcode Abilities.DESOLATE_LAND}
+   * is forcefully moved out of the field from moves such as Roar {@linkcode Moves.ROAR}
+   */
+  it("should lift when all pokemon with this ability leave the field", async () => {
+    game.override
+      .battleType("double")
+      .enemyMoveset([ Moves.SPLASH, Moves.ROAR ]);
+    await game.classicMode.startBattle([ Species.MAGCARGO, Species.MAGCARGO, Species.MAGIKARP, Species.MAGIKARP ]);
+
+    expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.HARSH_SUN);
+
+    vi.spyOn(game.scene, "randBattleSeedInt").mockImplementation((range, min: number = 0) => {
+      return min;
+    });
+
+    game.move.select(Moves.SPLASH, 0, 2);
+    game.move.select(Moves.SPLASH, 1, 2);
+
+    await game.forceEnemyMove(Moves.ROAR, 0);
+
+    await game.phaseInterceptor.to("TurnEndPhase");
+
+    expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.HARSH_SUN);
+
+    await game.toNextTurn();
+
+    vi.spyOn(game.scene, "randBattleSeedInt").mockImplementation((range, min: number = 0) => {
+      return min + 1;
+    });
+
+    game.move.select(Moves.SPLASH, 0, 2);
+    game.move.select(Moves.SPLASH, 1, 2);
+
+    await game.forceEnemyMove(Moves.ROAR, 1);
+
+    await game.phaseInterceptor.to("TurnEndPhase");
+
+    expect(game.scene.arena.weather?.weatherType).not.toBe(WeatherType.HARSH_SUN);
+  });
+
+  it("should lift when enemy faints", async () => {
+    game.override
+      .battleType("single")
+      .moveset([ Moves.SHEER_COLD ])
+      .ability(Abilities.NO_GUARD)
+      .startingLevel(100)
+      .enemyLevel(1)
+      .enemyMoveset([ Moves.SPLASH ])
+      .enemySpecies(Species.MAGCARGO)
+      .enemyHasPassiveAbility(true);
+    await game.classicMode.startBattle([ Species.MAGIKARP ]);
+
+    expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.HARSH_SUN);
+
+    game.move.select(Moves.SHEER_COLD);
+
+    await game.phaseInterceptor.to("TurnEndPhase");
+
+    expect(game.scene.arena.weather?.weatherType).not.toBe(WeatherType.HARSH_SUN);
+  });
+
+  it("should lift when enemy is captured", async () => {
+    game.override
+      .battleType("single")
+      .enemyMoveset([ Moves.SPLASH ])
+      .enemySpecies(Species.MAGCARGO)
+      .enemyHasPassiveAbility(true);
+    await game.classicMode.startBattle([ Species.MAGIKARP ]);
+
+    expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.HARSH_SUN);
+
+
+    await game.phaseInterceptor.to("TurnEndPhase");
+
+    expect(game.scene.arena.weather?.weatherType).not.toBe(WeatherType.HARSH_SUN);
+  });
+});

src/test/utils/gameManager.ts

@@ -452,6 +452,25 @@ export default class GameManager {
     });
   }
 
+  doThrowPokeball(ballIndex: number) {
+    this.onNextPrompt("CommandPhase", Mode.COMMAND, () => {
+      (this.scene.ui.getHandler() as CommandUiHandler).setCursor(1);
+      (this.scene.ui.getHandler() as CommandUiHandler).processInput(Button.ACTION);
+    });
+
+    this.doSelectPokeball(ballIndex, "CommandPhase");
+  }
+  // ???
+  doSelectPokeball(slot: number, inPhase = "SwitchPhase") {
+    this.onNextPrompt(inPhase, Mode.PARTY, () => {
+      const partyHandler = this.scene.ui.getHandler() as PartyUiHandler;
+
+      partyHandler.setCursor(slot);
+      partyHandler.processInput(Button.ACTION); // select party slot
+      partyHandler.processInput(Button.ACTION); // send out (or whatever option is at the top)
+    });
+  }
+
   /**
    * Intercepts `TurnStartPhase` and mocks the getSpeedOrder's return value {@linkcode TurnStartPhase.getSpeedOrder}
    * Used to modify the turn order.

src/test/utils/helpers/overridesHelper.ts

@@ -161,6 +161,11 @@ export class OverridesHelper extends GameManagerHelper {
     return this;
   }
 
+  public hasPassiveAbility(hasPassiveAbility: boolean): this {
+    vi.spyOn(Overrides, "HAS_PASSIVE_ABILITY_OVERRIDE", "get").mockReturnValue(hasPassiveAbility);
+    this.log("Player Pokemon PASSIVE ability is active!");
+    return this;
+  }
   /**
    * Override the player (pokemon) {@linkcode Moves | moves}set
    * @param moveset the {@linkcode Moves | moves}set to set
@@ -305,6 +310,12 @@ export class OverridesHelper extends GameManagerHelper {
     return this;
   }
 
+  public enemyHasPassiveAbility(hasPassiveAbility: boolean): this {
+    vi.spyOn(Overrides, "OPP_HAS_PASSIVE_ABILITY_OVERRIDE", "get").mockReturnValue(hasPassiveAbility);
+    this.log("Enemy Pokemon PASSIVE ability is active!");
+    return this;
+  }
+
   /**
    * Override the enemy (pokemon) {@linkcode Moves | moves}set
    * @param moveset the {@linkcode Moves | moves}set to set