public void CowRead_ExceptionThrown_BadRequest()
{
var storage = A.Fake <IStorage>();
var controller = new CowController(storage);
A.CallTo(() => storage.Read(A <string> .Ignored)).Throws <ArgumentException>();
var result = controller.CowRead(A.Dummy <string>()).Result;
Assert.IsType <BadRequestResult>(result);
}
public void CowRead_ValidEarTag_OkResult()
{
// We mock the storage because it is an external dependency
// When unit testing it is very important to mock out external dependencies (Dependencies that are dependency injected).
// If we dont do it, it is an integration test and not a unit test.
var storage = A.Fake <IStorage>();
// In this case we test the CowRead method so we dont need to mock it.
var sut = new CowController(storage);
// Here we call the method getting the result for assertion.
var result = sut.CowRead(A.Dummy <string>()).Result;
// We test the returned type is correct here, because we are testing an API controller returning http200.
Assert.IsType <OkObjectResult>(result);
}