import { PrismaService } from './prisma.service';

describe('PrismaService', () => {
  it('keeps the operation log delegate configurable for transaction client proxies', async () => {
    const prisma = new PrismaService();

    expect(Object.getOwnPropertyDescriptor(prisma, 'operationLog')).toEqual(
      expect.objectContaining({ configurable: true }),
    );
    expect(prisma.getPoolState()).toEqual({ max: 32, total: 0, idle: 0, waiting: 0 });

    await prisma.$disconnect();
  });

  it('reserves a bounded database pool for the isolated Gateway callback process', async () => {
    const previousRole = process.env.CMPP_PROCESS_ROLE;
    const previousMax = process.env.API_CALLBACK_DB_POOL_MAX;
    process.env.CMPP_PROCESS_ROLE = 'callback';
    process.env.API_CALLBACK_DB_POOL_MAX = '12';
    try {
      const prisma = new PrismaService();
      expect(prisma.getPoolState()).toEqual({ max: 12, total: 0, idle: 0, waiting: 0 });
      await prisma.$disconnect();
    } finally {
      if (previousRole === undefined) delete process.env.CMPP_PROCESS_ROLE;
      else process.env.CMPP_PROCESS_ROLE = previousRole;
      if (previousMax === undefined) delete process.env.API_CALLBACK_DB_POOL_MAX;
      else process.env.API_CALLBACK_DB_POOL_MAX = previousMax;
    }
  });
});