public void GetNextSortOrder_ShouldReturnOne_WhenThereAreNoTodoItems()
{
// Given: A database without any todo items
TodoItemRepository todoItemRepository = new TodoItemRepository(this.DbContext);
// When: We call GetNextSortOrder
int nextSortOrder = todoItemRepository.GetNextSortOrder();
// Then: The sortorder should be one
Assert.Equal(1, nextSortOrder);
}
public async Task GetNextSortOrder_ShouldReturnMaximumSortOrderPlusOne_WhenThereAreExistingTodoItems()
{
// Given: A database with multiple todo items
TodoItemRepository todoItemRepository = new TodoItemRepository(this.DbContext);
todoItemRepository.Add(new TodoItem()
{
ApplicationUser = this.CurrentUser, SortOrder = 1
});
todoItemRepository.Add(new TodoItem()
{
ApplicationUser = this.CurrentUser, SortOrder = 2
});
await todoItemRepository.SaveChangesAsync();
// When: We call GetNextSortOrder
int nextSortOrder = todoItemRepository.GetNextSortOrder();
// Then: The sortorder should be three
Assert.Equal(3, nextSortOrder);
}