5
我有一個方法在WebApi控制器,我想寫單元測試。這是我的控制器方法的樣子:單元測試文件上傳與Moq .net核心
Controller.cs
public async Task<FileUploadDto> UploadGoalDocument(Guid id)
{
var file = this.Request?.Form?.Files.FirstOrDefault();
FileUploadDto result = null;
if (file == null)
{
return this.CreateResponse(result);
}
//logic to store file in db
return this.CreateResponse(new FileUploadDto() { Id = document.Id, Name = document.Name, Uri = document.Uri});
}
我怎麼能嘲笑的單元測試請求對象?我試過以下,但碰到了IFormFileCollection的問題。以下行引發錯誤:未找到
system.argumentexception接口
cc.Setup(x => x.HttpContext.Request.Form.Files).Returns(col.Object);
ControllerTest.cs
public async Task Upload_document_should_upload_document_and_return_dto()
{
var fileDto = new FileUploadDto { Id = Guid.NewGuid(), Name = "dummy.txt" };
var fileMock = new Mock<IFormFile>();
//Setup mock file using a memory stream
using (var ms = new MemoryStream())
{
using (var writer = new StreamWriter("dummy.txt"))
{
writer.WriteLine("Hello World from a Fake File");
writer.Flush();
ms.Position = 0;
fileMock.Setup(m => m.OpenReadStream()).Returns(ms);
var file = fileMock.Object;
this.goalService.Setup(m => m.UploadDocument(Guid.NewGuid(), file, ""))
.ReturnsAsync(new Services.DTO.FileUploadDto { Id = fileDto.Id, Name = fileDto.Name });
var cc = new Mock<ControllerContext>();
var col = new Mock<IFormFileCollection>();
col.Setup(x=> x.GetFile("dummy.txt")).Returns(file);
cc.Setup(x => x.HttpContext.Request.Form.Files).Returns(col.Object);
this.controller.ControllerContext = cc.Object;
var result = await this.controller.UploadGoalDocument(Guid.NewGuid());
//Asserts removed for simplicity
}
}
}
詳細堆棧跟蹤:
System.RuntimeTypeHandle.VerifyInterfaceIsImplemented(RuntimeTypeHandle handle, RuntimeTypeHandle interfaceHandle)
at System.RuntimeType.GetInterfaceMap(Type ifaceType)
at Moq.Extensions.IsGetObjectDataVirtual(Type typeToMock)
at Moq.Extensions.IsSerializableMockable(Type typeToMock)
at Moq.SerializableTypesValueProvider.ProvideDefault(MethodInfo member)
at Moq.Mock.GetInitialValue(IDefaultValueProvider valueProvider, Stack`1 mockedTypesStack, PropertyInfo property)
at Moq.Mock.SetupAllProperties(Mock mock, Stack`1 mockedTypesStack)
at Moq.Mock.<>c__DisplayClass72_0.<SetupAllProperties>b__0()
at Moq.PexProtector.Invoke(Action action)
at Moq.Mock.SetupAllProperties(Mock mock)
at Moq.QueryableMockExtensions.FluentMock[T,TResult](Mock`1 mock, Expression`1 setup)
at lambda_method(Closure)
at Moq.Mock.GetInterceptor(Expression fluentExpression, Mock mock)
at Moq.Mock.<>c__DisplayClass66_0`2.<SetupGet>b__0()
at Moq.PexProtector.Invoke[T](Func`1 function)
at Moq.Mock.SetupGet[T,TProperty](Mock`1 mock, Expression`1 expression, Condition condition)
at Moq.Mock.<>c__DisplayClass65_0`2.<Setup>b__0()
at Moq.PexProtector.Invoke[T](Func`1 function)
at Moq.Mock.Setup[T,TResult](Mock`1 mock, Expression`1 expression, Condition condition)
at Moq.Mock`1.Setup[TResult](Expression`1 expression)
我認爲我沒有正確地構建測試,但敏銳的眼光可以指向正確的方向。
'遇到了與IFormFileCollection問題。 「什麼問題?澄清 – Nkosi
@Nkosi查看我的更新瞭解更多詳情。我希望我能更好地解釋它。 – user869375
不應該你moq出HttpContext,請求,形式和文件,並設置它們,所以moqHttpContext.Returns(moqRequest.Object)moqRequest.Returns(moqForms.Object)和moqForms.Returns(moq.Files)? –