public void Render_Unsorted_List() { var reader = new Mock <IManufacturerReader>(); reader.Setup(x => x.ReadAll()).Returns(new[] { "Toyota", "Ford", "Nissan" }); var page = new Page(reader.Object); page.Page_Load(); Assert.Equal("<h1>Manufacturers</h1><div>Ascending:</div><ul><li>Toyota</li><li>Ford</li><li>Nissan</li></ul>", page.Render()); }