public async Task CreateAsync_Should_Throw_Exception_If_List_Does_Not_Exist_Anymore()
{
// Arrange
var createTodoItemModel = Builder <CreateTodoItemModel> .CreateNew().Build();
_todoListRepository.GetAsync(Arg.Any <Expression <Func <TodoList, bool> > >()).ReturnsNull();
// Act
Func <Task> callCreateAsync = async() => await _sut.CreateAsync(createTodoItemModel);
// Assert
callCreateAsync.Should().Throw <NotFoundException>().WithMessage("List does not exist anymore");
await _todoListRepository.Received().GetFirstAsync(Arg.Any <Expression <Func <TodoList, bool> > >());
}
public async Task CreateAsync_Should_Add_New_Entity_To_Database()
{
// Arrange
var createTodoItemModel = Builder <CreateTodoItemModel> .CreateNew().Build();
var todoList = Builder <TodoList> .CreateNew().Build();
var todoItem = Builder <TodoItem> .CreateNew().With(ti => ti.Id = Guid.NewGuid()).Build();
TodoListRepository.GetFirstAsync(Arg.Any <Expression <Func <TodoList, bool> > >()).Returns(todoList);
TodoItemRepository.AddAsync(Arg.Any <TodoItem>()).Returns(todoItem);
// Act
var result = await _sut.CreateAsync(createTodoItemModel);
// Assert
result.Id.Should().Be(todoItem.Id);
await TodoListRepository.Received().GetFirstAsync(Arg.Any <Expression <Func <TodoList, bool> > >());
await TodoItemRepository.Received().AddAsync(Arg.Any <TodoItem>());
}