/// <summary>
/// Gets the next item that would be returned from the queue.
/// </summary>
private static void Peek()
{
HttpQueueClient <Item> qc = new HttpQueueClient <Item>(_serviceUri, c_ListenerName);
var item = qc.PeekItemAsync().GetAwaiter().GetResult();
if (QueueItem <Item> .Default == item)
{
Console.WriteLine("No items to retrieve.");
}
else
{
Console.WriteLine($"{item.ToString()}");
}
}
public async Task Component_Test()
{
Item i1 = CreateRandomInstance();
Item i2 = CreateRandomInstance();
Item i3 = CreateRandomInstance();
HttpQueueClient <Item> qc = new HttpQueueClient <Item>(new Uri(serviceUri), c_ListenerName);
Assert.IsNotNull(qc);
long allBase = await qc.CountAsync(QueueType.AllQueues).ConfigureAwait(false);
long leaseBase = await qc.CountAsync(QueueType.LeaseQueue).ConfigureAwait(false);
long expiredBase = await qc.CountAsync(QueueType.ExpiredQueue).ConfigureAwait(false);
long itemsBase = await qc.CountAsync(QueueType.ItemQueue).ConfigureAwait(false);
// Add an single item to the queue and validate the count has changed.
await qc.EnqueueAsync(new[] { i1 }, QueueType.FirstQueue, TimeSpan.FromSeconds(30), TimeSpan.FromMinutes(5), CancellationToken.None).ConfigureAwait(false);
long count = await qc.CountAsync(QueueType.AllQueues).ConfigureAwait(false);
Assert.AreEqual(1 + allBase, count);
count = await qc.CountAsync(QueueType.ItemQueue).ConfigureAwait(false);
Assert.AreEqual(1 + itemsBase, count);
// Add a batch of items to the queue and validate the count has changed.
await qc.EnqueueAsync(new[] { i1, i2, i3 }, QueueType.FirstQueue, TimeSpan.FromSeconds(30), TimeSpan.FromMinutes(5), CancellationToken.None).ConfigureAwait(false);
count = await qc.CountAsync(QueueType.AllQueues, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(4 + allBase, count);
count = await qc.CountAsync(QueueType.ItemQueue, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(4 + itemsBase, count);
// Enqueue a single item to the second queue and check the counts.
await qc.EnqueueAsync(new[] { i1 }, 1, TimeSpan.FromSeconds(30), TimeSpan.FromMinutes(5), CancellationToken.None).ConfigureAwait(false);
count = await qc.CountAsync(QueueType.AllQueues).ConfigureAwait(false);
Assert.AreEqual(5 + allBase, count);
count = await qc.CountAsync(QueueType.ItemQueue, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(5 + itemsBase, count);
// Dequeue a single item from the first queue and check the counts.
IEnumerable <QueueItem <Item> > items = await qc.DequeueAsync(1, QueueType.FirstQueue, QueueType.LastQueue, CancellationToken.None).ConfigureAwait(false);
count = await qc.CountAsync(QueueType.AllQueues, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(4 + allBase, count);
count = await qc.CountAsync(QueueType.LeaseQueue, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(1 + leaseBase, count);
count = await qc.CountAsync(QueueType.ItemQueue, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(5 + itemsBase, count);
// Peek the next item.
QueueItem <Item> item = await qc.PeekItemAsync(QueueType.FirstQueue, QueueType.LastQueue, CancellationToken.None).ConfigureAwait(false);
Assert.IsNotNull(item);
Console.WriteLine(item.ToString());
// Get a list of the items.
items = await qc.GetItemsAsync(0, 1000, 0).ConfigureAwait(false);
foreach (var qi in items)
{
Console.WriteLine(qi.Item.Name);
}
// Wait for the lease to expire and check the counts.
Thread.Sleep(TimeSpan.FromSeconds(125));
count = await qc.CountAsync(QueueType.AllQueues, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(4 + allBase, count);
count = await qc.CountAsync(QueueType.LeaseQueue, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(0 + leaseBase, count);
count = await qc.CountAsync(QueueType.ItemQueue, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(5 + itemsBase, count);
// Dequeue again, release the lease and check the counts.
items = await qc.DequeueAsync(1, QueueType.FirstQueue, QueueType.LastQueue, CancellationToken.None).ConfigureAwait(false);
await ReleaseLeasesAsync(qc, items);
count = await qc.CountAsync(QueueType.AllQueues, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(4 + allBase, count);
count = await qc.CountAsync(QueueType.LeaseQueue, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(0 + leaseBase, count);
count = await qc.CountAsync(QueueType.ItemQueue, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(4 + itemsBase, count);
// Dequeue two, release the lease and check the counts.
items = await qc.DequeueAsync(2, QueueType.FirstQueue, QueueType.LastQueue, CancellationToken.None).ConfigureAwait(false);
await ReleaseLeasesAsync(qc, items);
count = await qc.CountAsync(QueueType.AllQueues, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(2 + allBase, count);
count = await qc.CountAsync(QueueType.LeaseQueue, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(0 + leaseBase, count);
count = await qc.CountAsync(QueueType.ItemQueue, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(2 + itemsBase, count);
// Dequeue two, release the lease and check the counts.
items = await qc.DequeueAsync(2, QueueType.FirstQueue, QueueType.LastQueue, CancellationToken.None).ConfigureAwait(false);
await ReleaseLeasesAsync(qc, items);
count = await qc.CountAsync(QueueType.AllQueues, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(0 + allBase, count);
count = await qc.CountAsync(QueueType.LeaseQueue, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(0 + leaseBase, count);
count = await qc.CountAsync(QueueType.ItemQueue, CancellationToken.None).ConfigureAwait(false);
Assert.AreEqual(0 + itemsBase, count);
}
