我正在使用Rhino Mocks,并创建了一个Mock存储库。
var salesForcePolicies = MockRepository.GenerateMock<IRepository<SalesForcePolicy>>();
我有一个私有方法可以policy
从存储库中返回一个项目。
private SalesForcePolicy GetSalesForcePolicyByClientId(decimal clientId)
{
var policy = salesForcePolicies.FindByExp(x => x.IdNumber == clientId).FirstOrDefault();
if (policy == null) throw new AccountUpdaterException("Policy Not Found in Sales Force Lookup Table.");
return policy;
}
我正在尝试让存储库在private
方法中调用查询时返回具有一个属性集的新对象。我不想破坏封装并将其设置为public virtual
。
当我写这篇文章时,编译器正在尖叫...
var clientId = decimal.Parse("123456");
salesForcePolicies.Stub(x => x.FindByExp(y => y.IdNumber == clientId)).Return(new SalesForcePolicy { PolicyNumber = "123456" });
如何查询该模拟存储库以在查询新对象时返回它?
Error: The best overloaded method match for 'Rhino.Mocks.Interfaces.IMethodOptions<System.Linq.IQueryable<Data.Models.Ussi.SalesForcePolicy>>.Return(System.Linq.IQueryable<Data.Models.Ussi.SalesForcePolicy>)' has some invalid arguments.
技巧是传递null
表达式参数,然后使用.IgnoreArguments()
。对于返回,请创建new List<T>()
和.AsQueryable()
。
[TestMethod]
public void Can_Mock_Sales_Force_Repo()
{
// arrange
var salesForcePolicyRepo = MockRepository.GenerateMock<IRepository<SalesForcePolicy>>();
// act
var clientId = decimal.Parse("123456");
var salesForcePolicy = new SalesForcePolicy { PolicyNumber = "123456" };
IEnumerable<SalesForcePolicy> salesForcePolicies = new List<SalesForcePolicy> { salesForcePolicy };
salesForcePolicyRepo.Stub(x => x.FindByExp(null)).IgnoreArguments().Return(salesForcePolicies.AsQueryable());
var policy = salesForcePolicyRepo.FindByExp(x => x.IdNumber == clientId).FirstOrDefault();
// assert
Assert.IsTrue(policy == salesForcePolicy);
}
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