protected override async Task Given()
{
await StreamsClient.AppendToStreamAsync(Stream, StreamState.NoStream, Events);
await Client.CreateAsync(Stream, Group,
new PersistentSubscriptionSettings(startFrom : StreamPosition.Start), TestCredentials.Root);
_subscription = await Client.SubscribeAsync(Stream, Group,
async (subscription, e, r, ct) => {
if (r > 4)
{
_retryCountSource.TrySetResult(r.Value);
await subscription.Ack(e.Event.EventId);
}
else
{
await subscription.Nack(PersistentSubscriptionNakEventAction.Retry,
"Not yet tried enough times", e);
}
}, autoAck : false, subscriptionDropped : (subscription, reason, ex) => {
if (reason != SubscriptionDroppedReason.Disposed)
{
_retryCountSource.TrySetException(ex !);
}
}, userCredentials : TestCredentials.TestUser1);
}
protected override async Task Given()
{
foreach (var e in _events)
{
await StreamsClient.AppendToStreamAsync(Stream, StreamState.Any, new[] { e });
}
await Client.CreateAsync(Stream, Group,
new PersistentSubscriptionSettings(startFrom : StreamPosition.Start, resolveLinkTos : true),
TestCredentials.Root);
_subscription = await Client.SubscribeAsync(Stream, Group,
(subscription, e, retryCount, ct) => {
subscription.Ack(e);
if (Interlocked.Increment(ref _eventReceivedCount) == _events.Length)
{
_eventsReceived.TrySetResult(true);
}
return(Task.CompletedTask);
}, (s, r, e) => {
if (e != null)
{
_eventsReceived.TrySetException(e);
}
},
autoAck : false,
bufferSize : BufferCount,
userCredentials : TestCredentials.Root);
}
public async Task <PersistentSubscription> SubscribeAsync(string streamName, string groupName,
Func <PersistentSubscription, ResolvedEvent, int?, CancellationToken, Task> eventAppeared,
Action <PersistentSubscription, SubscriptionDroppedReason, Exception?>?subscriptionDropped = null,
UserCredentials?userCredentials = null, int bufferSize = 10, bool autoAck = true,
CancellationToken cancellationToken = default)
{
if (streamName == null)
{
throw new ArgumentNullException(nameof(streamName));
}
if (groupName == null)
{
throw new ArgumentNullException(nameof(groupName));
}
if (eventAppeared == null)
{
throw new ArgumentNullException(nameof(eventAppeared));
}
if (streamName == string.Empty)
{
throw new ArgumentException($"{nameof(streamName)} may not be empty.", nameof(streamName));
}
if (groupName == string.Empty)
{
throw new ArgumentException($"{nameof(groupName)} may not be empty.", nameof(groupName));
}
if (bufferSize <= 0)
{
throw new ArgumentOutOfRangeException(nameof(bufferSize));
}
var operationOptions = Settings.OperationOptions.Clone();
operationOptions.TimeoutAfter = new TimeSpan?();
var call = new PersistentSubscriptions.PersistentSubscriptions.PersistentSubscriptionsClient(
await SelectCallInvoker(cancellationToken).ConfigureAwait(false)).Read(EventStoreCallOptions.Create(
Settings, operationOptions, userCredentials, cancellationToken));
return(await PersistentSubscription.Confirm(call, new ReadReq.Types.Options {
BufferSize = bufferSize,
GroupName = groupName,
StreamIdentifier = streamName,
UuidOption = new ReadReq.Types.Options.Types.UUIDOption {
Structured = new Empty()
}
}, autoAck, eventAppeared, subscriptionDropped ?? delegate { }, cancellationToken).ConfigureAwait(false));
}
protected override async Task When()
{
_subscription = await Client.SubscribeAsync(Stream, Group,
(subscription, e, r, ct) => {
_firstEventSource.TrySetResult(e);
return(Task.CompletedTask);
}, (subscription, reason, ex) => {
if (reason != SubscriptionDroppedReason.Disposed)
{
_firstEventSource.TrySetException(ex !);
}
}, TestCredentials.TestUser1);
}
public Task <PersistentSubscription> SubscribeAsync(string streamName, string groupName,
Func <PersistentSubscription, ResolvedEvent, int?, CancellationToken, Task> eventAppeared,
Action <PersistentSubscription, SubscriptionDroppedReason, Exception?>?subscriptionDropped = null,
UserCredentials?userCredentials = null, int bufferSize = 10, bool autoAck = true,
CancellationToken cancellationToken = default)
{
if (streamName == null)
{
throw new ArgumentNullException(nameof(streamName));
}
if (groupName == null)
{
throw new ArgumentNullException(nameof(groupName));
}
if (eventAppeared == null)
{
throw new ArgumentNullException(nameof(eventAppeared));
}
if (streamName == string.Empty)
{
throw new ArgumentException($"{nameof(streamName)} may not be empty.", nameof(streamName));
}
if (groupName == string.Empty)
{
throw new ArgumentException($"{nameof(groupName)} may not be empty.", nameof(groupName));
}
if (bufferSize <= 0)
{
throw new ArgumentOutOfRangeException(nameof(bufferSize));
}
var call = _client.Read(RequestMetadata.Create(userCredentials ?? Settings.DefaultCredentials), cancellationToken: cancellationToken);
return(PersistentSubscription.Confirm(call, new ReadReq.Types.Options {
BufferSize = bufferSize,
GroupName = groupName,
StreamName = streamName,
UuidOption = new ReadReq.Types.Options.Types.UUIDOption {
Structured = new Empty()
}
}, autoAck, eventAppeared,
subscriptionDropped ?? delegate { }, cancellationToken));
}
protected override async Task Given()
{
await Client.CreateAsync(Stream, Group,
new PersistentSubscriptionSettings(startFrom : new StreamPosition(2)), TestCredentials.Root);
_subscription = await Client.SubscribeAsync(Stream, Group,
(subscription, e, r, ct) => {
_firstEventSource.TrySetResult(e);
return(Task.CompletedTask);
}, (subscription, reason, ex) => {
if (reason != SubscriptionDroppedReason.Disposed)
{
_firstEventSource.TrySetException(ex !);
}
}, TestCredentials.TestUser1);
}
protected override async Task Given()
{
await Client.CreateAsync(Stream, Group,
new PersistentSubscriptionSettings(startFrom : StreamPosition.End, resolveLinkTos : true),
TestCredentials.Root);
_subscription = await Client.SubscribeAsync(Stream, Group,
async (subscription, e, retryCount, ct) => {
await subscription.Ack(e);
if (Interlocked.Increment(ref _eventReceivedCount) == _events.Length)
{
_eventsReceived.TrySetResult(true);
}
}, (s, r, e) => {
if (e != null)
{
_eventsReceived.TrySetException(e);
}
}, autoAck : false,
bufferSize : BufferCount,
userCredentials : TestCredentials.Root);
}