[英]How to Verify assert throw exception for the return list function C#
如何使用 Assert(或其他 Test 類)來驗證是否已拋出異常?
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;
}
單元測試在這個單元測試中試圖捕獲空引用異常
[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);
}
但是在執行此操作時收到此錯誤消息需要建議
Assert.Throws() 失敗
預期:typeof(System.Exception)
實際:(沒有拋出異常)
使用ThrowsAsync
而不是Throws
:
var ex = await Assert.ThrowsAsync<Exception>(async () => await agencyConfigurations.HHABranchAggregatorDetails(1, 1, 3052));
我假設因為您在名為“ HHABranchAggregatorDetails
”的目標方法中捕獲了異常,所以 Assert API 不會注意到它。 我想你要么不抓住它要么重新扔掉它。
但當然它在生產代碼中更好地捕捉它^^
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