public void DeleteItem_WhenSimilar_IfOneDeleted_ThenAnotherRemains()
{
using var cosmosDirectAccess = Fixture.GetDirectAccessToCosmosContainer();
var itemsBeforeDeletion = AddAndRetrieveItems(new List <TestItem> {
new TestItem {
Name = "Paloma", Family = "Farah"
},
new TestItem {
Name = "Andressa", Family = "Rabah"
},
}, cosmosDirectAccess);
// Löscht das erste Element:
TestItem item1 = itemsBeforeDeletion.First();
Fixture.Service.DeleteItemAsync(item1.PartitionKeyValue, item1.Id).Wait();
var itemsAfterDeletion =
cosmosDirectAccess.CollectResultsFromQuery(source => source.Select(item => item));
Assert.DoesNotContain(itemsAfterDeletion,
remainingItem => item1.Equals(remainingItem));
Assert.Equal(itemsBeforeDeletion.Count() - 1, itemsAfterDeletion.Count());
// Löscht das zweite Element:
TestItem item2 = itemsBeforeDeletion.Last();
Fixture.Service.DeleteItemAsync(item2.PartitionKeyValue, item2.Id).Wait();
itemsAfterDeletion =
cosmosDirectAccess.CollectResultsFromQuery(source => source.Select(item => item));
Assert.DoesNotContain(itemsAfterDeletion,
remainingItem => item2.Equals(remainingItem));
Assert.Equal(itemsBeforeDeletion.Count() - 2, itemsAfterDeletion.Count());
}
/// <summary>
/// Fügt dem Container neue Elemente hinzu.
/// </summary>
/// <param name="items">Die hinzuzufügenden Elemente.</param>
public IEnumerable <TestItem> AddToContainer(IList <TestItem> items)
{
var tasks = new List <Task <ItemResponse <TestItem> > >(capacity: maxNumTasks);
var addedItems = new List <TestItem>(capacity: items.Count);
var randomizer = new Random();
for (int idx = 0; idx < items.Count; ++idx)
{
TestItem item = items[idx];
item.Id = randomizer.Next().ToString("X8");
var asyncCreateTask = Container.CreateItemAsync(item, new PartitionKey(item.PartitionKeyValue));
tasks.Add(asyncCreateTask);
if (tasks.Count == maxNumTasks || idx + 1 == items.Count)
{
Task.WaitAll(tasks.ToArray());
addedItems.AddRange(from task in tasks select task.Result.Resource);
tasks.Clear();
}
}
return(addedItems);
}
