TypeError: Attempted to wrap getRepository which is already wrapped

TypeError: Attempted to wrap getRepository which is already wrapped

我需要用 sinon 多次包装一个方法,以便能够 return 基于参数的不同对象。我该怎么做?

我要测试的控制器看起来像这样:

const servicePackagesOfferingRepository = Salesforce.getRepository(ServicePackageOffering);
const servicePackageOffering = await servicePackagesOfferingRepository.findOneById(model.servicePackageOfferingId);

const serviceCallRepository = Salesforce.getRepository(ServiceCall);
serviceCall = await serviceCallRepository.save(serviceCall);

单元测试是这样的:

const servicePackagesOfferingRepository = new Repository(ServicePackageOffering);
const servicePackagesOfferingRepositoryMock = sandbox.mock(servicePackagesOfferingRepository);

servicePackagesOfferingRepositoryMock
.expects('findOneById')
.withArgs(inputModel.servicePackageOfferingId)
.resolves({});

sandbox
.mock(Salesforce)
.expects('getRepository')
.withArgs(ServicePackageOffering)
.returns(servicePackagesOfferingRepository);

const serviceCallRepository = new Repository(ServiceCall);
const serviceCallRepositoryMock = sandbox.mock(serviceCallRepository);

serviceCallRepositoryMock
.expects('save')
.once();

sandbox
.mock(Salesforce)
.expects('getRepository')
.withExactArgs(ServiceCall)
.returns(serviceCallRepository);

但是我得到这个错误:

TypeError: Attempted to wrap getRepository which is already wrapped

找到方法:

const SalesforceMock = sandbox.mock(Salesforce);
SalesforceMock.expects('getRepository')
    .twice()
    .onFirstCall()
    .returns(serviceCallRepository)
    .onSecondCall()
    .returns(clientRepository);