edr-platform/apps/edr-freight-api/src/modules/contracts/contract-onetime-paid-gate.spec.ts

import { ContractsRepository } from './contracts.repository';

/**
 * A ONE_TIME contract stops blocking a duplicate request only once its booking
 * is PAID. The existing duplicate-guard spec stubs the repository out, so the
 * candidate SQL itself is unchecked there — this pins the predicate.
 */
describe('findDuplicateCandidates ONE_TIME paid gate', () => {
  const candidateSql = (): string => {
    const conditions: string[] = [];
    const qb = {
      leftJoinAndSelect: () => qb,
      where: () => qb,
      andWhere: (condition: string) => {
        if (typeof condition === 'string') conditions.push(condition);
        return qb;
      },
      getMany: async () => [],
    };

    const repository = new ContractsRepository(
      { createQueryBuilder: () => qb } as never,
      {} as never,
    );

    void repository.findDuplicateCandidates('company-1', 'svc-1');
    return conditions.join(' AND ');
  };

  it('spends the contract on payment, not on the booking row existing', () => {
    const sql = candidateSql();

    expect(sql).toContain("contract.contract_kind <> 'ONE_TIME'");
    // The gate: an unpaid booking must NOT free the lane.
    expect(sql).toContain("b.payment_status = 'PAID'");
    expect(sql).toContain('b.deleted_at IS NULL');
  });
});