public async Task GetItem_WhenIdNotExist_ReturnsNotFound()
{
var repoStub = new Mock <IRepository>();
repoStub.Setup(repo => repo.Get <ToDoItem>(It.IsAny <int>())).ReturnsAsync(null as ToDoItem);
var controller = new ToDoController(repoStub.Object);
var res = await controller.GetItem(0);
Assert.IsType <NotFoundResult>(res.Result);
}
public async Task GetItem_WithAnId_ReturnsAToDoItem(int id)
{
var repoStub = new Mock <IRepository>();
repoStub.Setup(repo => repo.Get <ToDoItem>(It.IsAny <int>())).ReturnsAsync(GetTestTodos().Find(item => item.Id == id));
var controller = new ToDoController(repoStub.Object);
var res = await controller.GetItem(id);
var item = Assert.IsType <ToDoItem>(res.Value);
Assert.Equal(id, item.Id);
}