public void Get_Categories_Should_Return_AllCategories()
{
var context = new TestCategoryContext();
context.Categories.Add(new Category { CategoryId = 1, Category_Name ="Demo1"});
context.Categories.Add(new Category { CategoryId = 2, Category_Name = "Demo2" });
context.Categories.Add(new Category { CategoryId = 3, Category_Name = "Demo3" });
var controller = new CategoriesController(context);
var result = controller.GetCategories() as TestCategoryDBset;
Assert.IsNotNull(result);
Assert.AreEqual(3, result.Local.Count);
}
