public void ShouldListAllPets()
{
//AAA
//1. Arrange
//ApplicationDbContext database = null; (Controller does not use / depend on database)
mockPetRepo = new Mock <IPetRepo>();
List <Pet> mockPets = CreateMockPetData();
mockPetRepo.Setup(m => m.ListAllPets()).Returns(mockPets);
int expectedNumberOfPetsInList = 4;
PetController petController = new PetController(mockPetRepo.Object);//database);
//2. Action
ViewResult result = petController.ListAllPets() as ViewResult; //I know that the resulting datatype is a viewresult (casting)
List <Pet> resultModel = result.Model as List <Pet>;
int actualNumberOfPetsInList = resultModel.Count;
//3. Assert (comparing: Expecting v Actual)
Assert.Equal(expectedNumberOfPetsInList, actualNumberOfPetsInList);
}
