public async Task Send_with_envelopes_sets_partition_key_correctly()
{
// Arrange
var eventHubClient = EventHubClient.CreateFromConnectionString(_connectionString);
var eventSender = new EventMessageSender(eventHubClient);
var serializer = new EventDataSerializer();
var sut = new EventHubMessageBus(eventSender);
string partitionKey = Guid.NewGuid().ToString();
var envelopes = new Fixture()
.Build <PartitionedMessage>()
.With(message => message.PartitionKey, partitionKey)
.CreateMany()
.Select(message => new Envelope(message))
.ToList();
IEnumerable <PartitionReceiver> receivers = await GetReceivers(eventHubClient, _consumerGroupName);
// Act
await sut.Send(envelopes, CancellationToken.None);
// Assert
IEnumerable <EventData> received = await ReceiveAll(receivers);
await eventHubClient.CloseAsync();
IEnumerable <string> partitionKeys =
from eventData in received
select eventData.SystemProperties.PartitionKey;
partitionKeys.Should().OnlyContain(x => x == partitionKey);
}
public async Task Send_sends_message_correctly()
{
var eventHubClient = EventHubClient.CreateFromConnectionString(_connectionString);
var eventSender = new EventMessageSender(eventHubClient);
var serializer = new EventDataSerializer();
var sut = new EventHubMessageBus(eventSender);
var envelope = new Envelope(
messageId: Guid.NewGuid(),
message: new Fixture().Create <Message>(),
operationId: $"{Guid.NewGuid()}",
correlationId: Guid.NewGuid(),
contributor: $"{Guid.NewGuid()}");
IEnumerable <PartitionReceiver> receivers = await GetReceivers(eventHubClient, _consumerGroupName);
await sut.Send(envelope, CancellationToken.None);
IEnumerable <EventData> received = await ReceiveAll(receivers);
await eventHubClient.CloseAsync();
received.Should().HaveCount(1);
Envelope actual = serializer.Deserialize(received.Single());
actual.Should().BeEquivalentTo(envelope);
}
public EventHubMessageBus(
EventMessageSender eventSender,
EventDataSerializer serializer)
{
if (serializer == null)
{
throw new ArgumentNullException(nameof(serializer));
}
_eventSender = eventSender ?? throw new ArgumentNullException(nameof(eventSender));
}
public async Task Send_sets_partition_key_correctly()
{
var eventHubClient = EventHubClient.CreateFromConnectionString(_connectionString);
var eventSender = new EventMessageSender(eventHubClient);
var sut = new EventHubMessageBus(eventSender);
PartitionedMessage message = new Fixture().Create <PartitionedMessage>();
IEnumerable <PartitionReceiver> receivers = await GetReceivers(eventHubClient, _consumerGroupName);
await sut.Send(new Envelope(message), CancellationToken.None);
IEnumerable <EventData> received = await ReceiveAll(receivers);
await eventHubClient.CloseAsync();
EventData eventData = received.Single();
eventData.SystemProperties.PartitionKey.Should().Be(message.PartitionKey);
}
public async Task Send_with_envelopes_sends_partitioned_messages_correctly()
{
// Arrange
var eventHubClient = EventHubClient.CreateFromConnectionString(_connectionString);
var eventSender = new EventMessageSender(eventHubClient);
var serializer = new EventDataSerializer();
var sut = new EventHubMessageBus(eventSender);
string partitionKey = Guid.NewGuid().ToString();
var envelopes = new Fixture()
.Build <PartitionedMessage>()
.With(message => message.PartitionKey, partitionKey)
.CreateMany()
.Select(message => new Envelope(
messageId: Guid.NewGuid(),
message,
operationId: $"{Guid.NewGuid()}",
correlationId: Guid.NewGuid(),
contributor: $"{Guid.NewGuid()}"))
.ToList();
IEnumerable <PartitionReceiver> receivers = await GetReceivers(eventHubClient, _consumerGroupName);
// Act
await sut.Send(envelopes, CancellationToken.None);
// Assert
IEnumerable <EventData> received = await ReceiveAll(receivers);
await eventHubClient.CloseAsync();
IEnumerable <Envelope> actual = from eventData in received
select serializer.Deserialize(eventData);
actual.Should().BeEquivalentTo(
envelopes,
opts =>
opts.WithStrictOrdering()
.RespectingRuntimeTypes());
}
/// <summary>
/// Initializes a new instance of the <see cref="EventHubMessageBus"/> class.
/// </summary>
/// <param name="eventSender">An <see cref="EventMessageSender"/>.</param>
public EventHubMessageBus(EventMessageSender eventSender)
{
_eventSender = eventSender ?? throw new ArgumentNullException(nameof(eventSender));
}