public async Task ProducerCanPublishEvents(EventHubsTransportType transportType)
{
await using (EventHubScope scope = await EventHubScope.CreateAsync(1))
{
var connectionString = EventHubsTestEnvironment.Instance.BuildConnectionStringForEventHub(scope.EventHubName);
var options = new IdempotentProducerOptions {
EnableIdempotentPartitions = true, ConnectionOptions = new EventHubConnectionOptions {
TransportType = transportType
}
};
await using var producer = new IdempotentProducer(connectionString, options);
var cancellationSource = new CancellationTokenSource();
cancellationSource.CancelAfter(EventHubsTestEnvironment.Instance.TestExecutionTimeLimit);
var partition = (await producer.GetPartitionIdsAsync(cancellationSource.Token)).First();
var sendOptions = new SendEventOptions {
PartitionId = partition
};
Assert.That(async() => await producer.SendAsync(EventGenerator.CreateEvents(2), sendOptions, cancellationSource.Token), Throws.Nothing, "The first publishing operation was not successful.");
Assert.That(async() => await producer.SendAsync(EventGenerator.CreateEvents(2), sendOptions, cancellationSource.Token), Throws.Nothing, "The second publishing operation was not successful.");
}
}
public async Task ProducerInitializesPropertiesWhenPublishing()
{
await using (EventHubScope scope = await EventHubScope.CreateAsync(1))
{
var connectionString = EventHubsTestEnvironment.Instance.BuildConnectionStringForEventHub(scope.EventHubName);
var options = new IdempotentProducerOptions {
EnableIdempotentPartitions = true
};
await using var producer = new IdempotentProducer(connectionString, options);
var cancellationSource = new CancellationTokenSource();
cancellationSource.CancelAfter(EventHubsTestEnvironment.Instance.TestExecutionTimeLimit);
var partition = (await producer.GetPartitionIdsAsync(cancellationSource.Token)).First();
var sendOptions = new SendEventOptions {
PartitionId = partition
};
var events = EventGenerator.CreateEvents(10).ToArray();
await producer.SendAsync(events, sendOptions, cancellationSource.Token);
var partitionProperties = await producer.GetPartitionPublishingPropertiesAsync(partition);
Assert.That(partitionProperties, Is.Not.Null, "The properties should have been created.");
Assert.That(partitionProperties.IsIdempotentPublishingEnabled, Is.True, "Idempotent publishing should be enabled.");
Assert.That(partitionProperties.ProducerGroupId.HasValue, Is.True, "The producer group identifier should have a value.");
Assert.That(partitionProperties.OwnerLevel.HasValue, Is.True, "The owner level should have a value.");
Assert.That(partitionProperties.LastPublishedSequenceNumber.HasValue, Is.True, "The last published sequence number should have a value.");
}
}
public async Task ProducerCanInitializeWithPartialPartitionOptions()
{
await using (EventHubScope scope = await EventHubScope.CreateAsync(2))
{
var connectionString = EventHubsTestEnvironment.Instance.BuildConnectionStringForEventHub(scope.EventHubName);
var options = new IdempotentProducerOptions {
EnableIdempotentPartitions = true
};
var cancellationSource = new CancellationTokenSource();
cancellationSource.CancelAfter(EventHubsTestEnvironment.Instance.TestExecutionTimeLimit);
var partition = default(string);
var partitionProperties = default(PartitionPublishingProperties);
// Create a producer for a small scope that will Send some events and read the properties.
await using (var initialProducer = new IdempotentProducer(connectionString, options))
{
partition = (await initialProducer.GetPartitionIdsAsync(cancellationSource.Token)).Last();
await initialProducer.SendAsync(EventGenerator.CreateEvents(10), new SendEventOptions { PartitionId = partition }, cancellationSource.Token);
partitionProperties = await initialProducer.GetPartitionPublishingPropertiesAsync(partition);
}
// Create a new producer using the previously read properties to set options for the partition.
options.PartitionOptions.Add(partition, new PartitionPublishingOptions
{
ProducerGroupId = partitionProperties.ProducerGroupId,
OwnerLevel = partitionProperties.OwnerLevel
});
Assert.That(options.PartitionOptions[partition].StartingSequenceNumber.HasValue, Is.False, "The partition options should not specifiy a starting sequence number.");
await using var producer = new IdempotentProducer(connectionString, options);
// Verify that the properties were fully initialized when using partial options.
partitionProperties = await producer.GetPartitionPublishingPropertiesAsync(partition);
Assert.That(partitionProperties, Is.Not.Null, "The properties should have been created.");
Assert.That(partitionProperties.IsIdempotentPublishingEnabled, Is.True, "Idempotent publishing should be enabled.");
Assert.That(partitionProperties.ProducerGroupId.HasValue, Is.True, "The producer group identifier should have a value.");
Assert.That(partitionProperties.OwnerLevel.HasValue, Is.True, "The owner level should have a value.");
Assert.That(partitionProperties.LastPublishedSequenceNumber.HasValue, Is.True, "The last published sequence number should have a value.");
// Ensure that the state supports publishing.
Assert.That(async() => await producer.SendAsync(EventGenerator.CreateEvents(10), new SendEventOptions {
PartitionId = partition
}, cancellationSource.Token), Throws.Nothing);
}
}
public async Task ProducerCanOptIntoIdempotentPublishing()
{
await using (EventHubScope scope = await EventHubScope.CreateAsync(1))
{
var connectionString = EventHubsTestEnvironment.Instance.BuildConnectionStringForEventHub(scope.EventHubName);
var options = new IdempotentProducerOptions {
EnableIdempotentPartitions = true
};
var cancellationSource = new CancellationTokenSource();
cancellationSource.CancelAfter(EventHubsTestEnvironment.Instance.TestExecutionTimeLimit);
await using var producer = new IdempotentProducer(connectionString, options);
Assert.That(async() => await producer.GetPartitionIdsAsync(cancellationSource.Token), Throws.Nothing);
}
}
public async Task ProducerIsRejectedWithPartitionOptionsForInvalidState()
{
await using (EventHubScope scope = await EventHubScope.CreateAsync(2))
{
var connectionString = EventHubsTestEnvironment.Instance.BuildConnectionStringForEventHub(scope.EventHubName);
var options = new IdempotentProducerOptions {
EnableIdempotentPartitions = true
};
var cancellationSource = new CancellationTokenSource();
cancellationSource.CancelAfter(EventHubsTestEnvironment.Instance.TestExecutionTimeLimit);
var partition = default(string);
var partitionProperties = default(PartitionPublishingProperties);
// Create a producer for a small scope that will Send some events and read the properties.
await using (var initialProducer = new IdempotentProducer(connectionString, options))
{
partition = (await initialProducer.GetPartitionIdsAsync(cancellationSource.Token)).Last();
await initialProducer.SendAsync(EventGenerator.CreateEvents(10), new SendEventOptions { PartitionId = partition }, cancellationSource.Token);
partitionProperties = await initialProducer.GetPartitionPublishingPropertiesAsync(partition);
}
// Create a new producer using the previously read properties to set options for the partition.
options.PartitionOptions.Add(partition, new PartitionPublishingOptions
{
ProducerGroupId = partitionProperties.ProducerGroupId,
OwnerLevel = partitionProperties.OwnerLevel,
StartingSequenceNumber = (partitionProperties.LastPublishedSequenceNumber - 5)
});
await using var producer = new IdempotentProducer(connectionString, options);
Assert.That(async() => await producer.SendAsync(EventGenerator.CreateEvents(10), new SendEventOptions {
PartitionId = partition
}, cancellationSource.Token),
Throws.InstanceOf <EventHubsException>().And.Property("Reason").EqualTo(EventHubsException.FailureReason.InvalidClientState));
}
}
public async Task ProducerUpdatesPropertiesAfterPublishingBatches()
{
await using (EventHubScope scope = await EventHubScope.CreateAsync(1))
{
var connectionString = EventHubsTestEnvironment.Instance.BuildConnectionStringForEventHub(scope.EventHubName);
var options = new IdempotentProducerOptions {
EnableIdempotentPartitions = true
};
await using var producer = new IdempotentProducer(connectionString, options);
var cancellationSource = new CancellationTokenSource();
cancellationSource.CancelAfter(EventHubsTestEnvironment.Instance.TestExecutionTimeLimit);
var partition = (await producer.GetPartitionIdsAsync(cancellationSource.Token)).First();
var initialPartitionProperties = await producer.GetPartitionPublishingPropertiesAsync(partition);
var batchOptions = new CreateBatchOptions {
PartitionId = partition
};
using var batch = await producer.CreateBatchAsync(batchOptions, cancellationSource.Token);
batch.TryAdd(EventGenerator.CreateEvents(1).First());
batch.TryAdd(EventGenerator.CreateEvents(1).First());
batch.TryAdd(EventGenerator.CreateEvents(1).First());
await producer.SendAsync(batch, cancellationSource.Token);
var updatedPartitionProperties = await producer.GetPartitionPublishingPropertiesAsync(partition);
Assert.That(updatedPartitionProperties.IsIdempotentPublishingEnabled, Is.True, "Idempotent publishing should be enabled.");
Assert.That(updatedPartitionProperties.ProducerGroupId, Is.EqualTo(initialPartitionProperties.ProducerGroupId), "The producer group identifier should not have changed.");
Assert.That(updatedPartitionProperties.OwnerLevel, Is.EqualTo(initialPartitionProperties.OwnerLevel), "The owner level should not have changed.");
Assert.That(updatedPartitionProperties.LastPublishedSequenceNumber, Is.GreaterThan(initialPartitionProperties.LastPublishedSequenceNumber), "The last published sequence number should have increased.");
}
}