as the topic says I don't know how to return a mocked object as null in my MVC Testing project. I'm new on making unit tests.
I have an action:
[HttpPost]
public ActionResult Edit(ClubToAddVM clubToAddVm, HttpPostedFileBase imageFile)
{
if (ModelState.IsValid)
{
if (imageFile!=null)
{
clubToAddVm.ImageMimeType = imageFile.ContentType;
clubToAddVm.ImageData = new byte[imageFile.ContentLength];
imageFile.InputStream.Read(clubToAddVm.ImageData, 0, imageFile.ContentLength);
}
}
...
}
And I want in my test to pass the imageFile object as a null. Unfortunately I can't create instance of HttpPostedFileBase abstract class and I wanna try with something like this:
var mockImageFile = new Mock<HttpPostedFileBase>();
But then I don't know how to make it as null, because mockImageFile.Object is readonly. Any ideas?
You don't have to create an instance if you want to make it null, just do:
HttpPostedFileBase imageFile = null;
That it is an abstract class does indeed mean that you cannot create an instance of it, but it is perfectly fine to declare a variable of that type and set it to null.
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