OpenFrontIO/tests/server/GameLifecycle.test.ts

import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";

vi.mock("engine-public/Schemas", async () => {
  const actual = (await vi.importActual("engine-public/Schemas")) as any;
  return {
    ...actual,
    GameStartInfoSchema: {
      safeParse: (data: any) => ({ success: true, data: data }),
    },
    ServerPrestartMessageSchema: {
      safeParse: (data: any) => ({ success: true, data: data }),
    },
  };
});

import { GameType } from "engine/game/Game";
import { GameServer } from "server/GameServer";

describe("GameLifecycle", () => {
  let mockLogger: any;

  beforeEach(() => {
    vi.useFakeTimers();
    mockLogger = {
      child: vi.fn().mockReturnThis(),
      info: vi.fn(),
      warn: vi.fn(),
      error: vi.fn(),
    };
  });

  afterEach(() => {
    vi.restoreAllMocks();
    vi.clearAllTimers();
  });

  it("should not start turn interval if game has ended", async () => {
    const game = new GameServer("test-game", mockLogger, Date.now(), {
      gameType: GameType.Private,
    } as any);

    // Call end() first - this should set _hasEnded
    await game.end();

    // Now call start() - this should be a no-op due to our fix
    game.start();

    // Check if the interval ID is set (it shouldn't be)
    expect((game as any).endTurnIntervalID).toBeUndefined();

    // Check if _hasStarted remained false (or at least no interval was created)
    expect(game.hasStarted()).toBe(false);
  });

  it("should clear turn interval and set _hasEnded on end()", async () => {
    // We need to initialize the game such that start() can succeed
    const game = new GameServer("test-game", mockLogger, Date.now(), {
      gameType: GameType.Private,
      gameMap: "plains",
      gameMapSize: 100,
    } as any);

    // Manually trigger prestart to fulfill some internal checks if necessary
    game.prestart();

    // start() should create the interval
    game.start();
    expect((game as any).endTurnIntervalID).toBeDefined();

    // end() should clear it
    await game.end();
    expect((game as any).endTurnIntervalID).toBeUndefined();
    expect((game as any)._hasEnded).toBe(true);
  });

  it("should be resilient to multiple end() calls", async () => {
    const game = new GameServer("test-game", mockLogger, Date.now(), {
      gameType: GameType.Private,
    } as any);

    await game.end();
    expect((game as any)._hasEnded).toBe(true);

    // Should not throw or crash
    await expect(game.end()).resolves.toBeUndefined();
    expect((game as any)._hasEnded).toBe(true);
  });
});