问题描述
如何使用 Assert(或其他 Test 类)来验证是否已抛出异常?
public async Task<IEnumerable<HHABranchAggregatorConfigurationDto>> HHABranchAggregatorDetails(int HHA,int UserId,int HHA_Branch_ID)
{
IEnumerable<HHABranchAggregatorConfigurationDto> hhabranchAggregatorsettingslists = new List<HHABranchAggregatorConfigurationDto>();
try
{
var EVVvendorMasterList = await _UAEVVvendorMasterRepository._HHA_Schedule_GetUAEVVvendorMaster(HHA,UserId,"EvvvendorMasterID,vendorName,isPrimary");
}
catch (Exception e)
{
_logger.LogError(e.Message);
}
return hhabranchAggregatorsettingslists;
}
单元测试在这个单元测试中试图捕获空引用异常
[Fact]
public async Task Agency_Configuration_Should_Throw_Exception()
{
//Arrange
_UAEVVvendorMasterRepositoryMock.Setup(x => x._HHA_Schedule_GetUAEVVvendorMaster(It.IsAny<int>(),It.IsAny<int>(),It.IsAny<string>())).Throws<NullReferenceException>();
//Act
var hhabranchAggregatorsactuallist = await agencyConfigurations.HHABranchAggregatorDetails(1,1,3052);
//Assert
var ex = Assert.Throws<Exception>(() => hhabranchAggregatorsactuallist);
}
但是在执行此操作时收到此错误消息需要建议
Assert.Throws() 失败
预期:typeof(System.Exception)
实际:(没有抛出异常)
解决方法
使用 ThrowsAsync
而不是 Throws
:
var ex = await Assert.ThrowsAsync<Exception>(async () => await agencyConfigurations.HHABranchAggregatorDetails(1,1,3052));
,
我假设因为您在名为“HHABranchAggregatorDetails
”的目标方法中捕获了异常,所以 Assert API 不会注意到它。我猜你要么不接住,要么重新扔掉它。
但当然它在生产代码中更好地捕捉它^^