public void Grades_Controller_Test_On_Delete_Confirmed_With_Existent_Id()
{
//Arrange
Guid id = new Guid("f616cc8c-2223-4145-b7d0-232a1f6f0795");
int value = 10;
DateTime date = DateTime.Now;
Grade expectedGrades = new Grade(value, date);
expectedGrades.Id = id;
var repo = Substitute.For <IRepository>();
var sut = new GradesController(repo);
repo.GetById <Grade>(id).Returns(expectedGrades);
//Act
var actual = sut.DeleteConfirmed(id).Result;
//Assert
Assert.IsInstanceOfType(actual, typeof(RedirectToActionResult));
}
public void Delete_Confirmed_NoId()
{
ViewResult result = (ViewResult)controller.DeleteConfirmed(null);
Assert.AreEqual("Error", result.ViewName);
}