public async Task UpdatesItemAfterAddingIt()
{
// add an item
var repository = GetRepository();
var initialTitle = Guid.NewGuid().ToString();
var item = new ToDoItemBuilder().Title(initialTitle).Build();
repository.Add(item);
_dbContext.SaveChanges();
// detach the item so we get a different instance
_dbContext.Entry(item).State = EntityState.Detached;
// fetch the item and update its title
var newItem = await repository.FirstOrDefaultAsync(ToDoItemSpecs.ByTitle(initialTitle));
Assert.NotNull(newItem);
Assert.NotSame(item, newItem);
var newTitle = Guid.NewGuid().ToString();
newItem.Title = newTitle;
// Update the item
repository.Update(newItem);
var updatedItem = await repository.FirstOrDefaultAsync(ToDoItemSpecs.ByTitle(initialTitle));
Assert.NotNull(updatedItem);
Assert.NotEqual(item.Title, updatedItem.Title);
Assert.Equal(newItem.Id, updatedItem.Id);
}
public void DeletesItemAfterAddingIt()
{
// add an item
var repository = GetRepository();
var initialTitle = Guid.NewGuid().ToString();
var item = new ToDoItemBuilder().Title(initialTitle).Build();
repository.Add(item);
// delete the item
repository.Delete(item);
// verify it's no longer there
Assert.DoesNotContain(repository.List(ToDoItemSpecs.ByTitle(initialTitle)),
i => i.Title == initialTitle);
}