public async Task UpdateAsync_Should_Update_Existing_Entity_From_DatabaseAsync()
{
//Arrange
var updateTodoListModel = Builder <UpdateTodoListModel> .CreateNew().Build();
var todoListId = Guid.NewGuid();
var todoList = Builder <TodoList> .CreateNew()
.With(tl => tl.CreatedBy = new Guid().ToString())
.With(tl => tl.Id = todoListId)
.Build();
TodoListRepository.GetFirstAsync(Arg.Any <Expression <Func <TodoList, bool> > >()).Returns(todoList);
TodoListRepository.UpdateAsync(Arg.Any <TodoList>()).Returns(todoList);
//Act
var result = await _sut.UpdateAsync(todoListId, updateTodoListModel);
//Assert
result.Id.Should().Be(todoListId);
await TodoListRepository.Received().GetFirstAsync(Arg.Any <Expression <Func <TodoList, bool> > >());
ClaimService.Received().GetUserId();
await TodoListRepository.Received().UpdateAsync(Arg.Any <TodoList>());
}
