public void UpdateWithValidDataShouldReturnOk()
{
var controller = new CategoriesController(categories);
var result = controller.Update(1, "new title");
var okResult = result as OkResult;
Assert.IsNotNull(okResult, "Update with valid id should return OK");
}
public void UpdateWithNotExistingCategoryShouldReturnBadRequest()
{
var controller = new CategoriesController(categories);
var result = controller.Update(120, "fail");
var badResult = result as BadRequestErrorMessageResult;
Assert.IsNotNull(badResult, "Update with invalid id should return bad request");
}