public EventMessageProcessorFactory(
EventDataSerializer serializer,
IMessageHandler messageHandler,
IMessageProcessingExceptionHandler <EventData> exceptionHandler,
CancellationToken cancellationToken)
{
if (serializer == null)
{
throw new ArgumentNullException(nameof(serializer));
}
if (messageHandler == null)
{
throw new ArgumentNullException(nameof(messageHandler));
}
if (exceptionHandler == null)
{
throw new ArgumentNullException(nameof(exceptionHandler));
}
_serializer = serializer;
_messageHandler = messageHandler;
_exceptionHandler = exceptionHandler;
_cancellationToken = cancellationToken;
}
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 EventProcessor(
EventMessageProcessor processor,
IEventProcessingExceptionHandler exceptionHandler,
CancellationToken cancellationToken)
{
_serializer = new EventDataSerializer();
_processor = processor;
_exceptionHandler = exceptionHandler;
_cancellationToken = cancellationToken;
}
internal EventMessageProcessor(
EventDataSerializer serializer,
IMessageHandler messageHandler,
IMessageProcessingExceptionHandler <EventData> exceptionHandler,
CancellationToken cancellationToken)
{
_serializer = serializer;
_messageHandler = messageHandler;
_exceptionHandler = exceptionHandler;
_cancellationToken = cancellationToken;
}
public EventHubMessageBus(
EventMessageSender eventSender,
EventDataSerializer serializer)
{
if (serializer == null)
{
throw new ArgumentNullException(nameof(serializer));
}
_eventSender = eventSender ?? throw new ArgumentNullException(nameof(eventSender));
}
public void TestInitialize()
{
if (eventHubClient == null)
{
Assert.Inconclusive(ConnectionParametersRequired);
}
fixture = new Fixture().Customize(new AutoMoqCustomization());
fixture.Inject(eventHubClient);
serializer = new EventDataSerializer();
sut = new EventHubMessageBus(eventHubClient, serializer);
}
public void Serialize_sets_MessageId_property_correctly(EventDataSerializer sut, Message message)
{
var envelope = new Envelope(message);
EventData eventData = sut.Serialize(envelope);
string propertyName = nameof(Envelope.MessageId);
eventData.Properties.Keys.Should().Contain(propertyName);
object actual = eventData.Properties[propertyName];
actual.Should().Be(envelope.MessageId);
}
public void Deserialize_creates_new_MessageId_if_property_not_set(
EventDataSerializer sut, Message message)
{
var envelope = new Envelope(message);
EventData eventData = sut.Serialize(envelope);
eventData.Properties.Remove("MessageId");
Envelope actual = sut.Deserialize(eventData);
actual.MessageId.Should().NotBeEmpty();
sut.Deserialize(eventData).MessageId.Should().NotBe(actual.MessageId);
}
public void Serialize_serializes_message_correctly(Message message, JsonMessageSerializer serializer)
{
var sut = new EventDataSerializer(serializer);
var envelope = new Envelope(message);
EventData eventData = sut.Serialize(envelope);
ArraySegment <byte> body = eventData.Body;
string value = Encoding.UTF8.GetString(body.Array, body.Offset, body.Count);
object actual = serializer.Deserialize(value);
actual.Should().BeOfType <Message>();
actual.Should().BeEquivalentTo(message);
}
public void Deserialize_not_fails_even_if_Contributor_property_not_set(
EventDataSerializer sut, Message message)
{
var envelope = new Envelope(message);
EventData eventData = sut.Serialize(envelope);
eventData.Properties.Remove("Contributor");
Envelope actual = null;
Action action = () => actual = sut.Deserialize(eventData);
action.Should().NotThrow();
actual.Should().BeEquivalentTo(envelope, opts => opts.RespectingRuntimeTypes());
}
public void Deserialize_deserializes_envelope_correctly(
EventDataSerializer sut,
Guid messageId,
Message message,
string operationId,
Guid correlationId,
string contributor)
{
var envelope = new Envelope(messageId, message, operationId, correlationId, contributor);
EventData eventData = sut.Serialize(envelope);
Envelope actual = sut.Deserialize(eventData);
actual.Should().BeEquivalentTo(envelope, opts => opts.RespectingRuntimeTypes());
}
public void Serialize_sets_Contributor_property_correctly(
EventDataSerializer sut, Guid messageId, Message message, string contributor)
{
var envelope = new Envelope(
messageId: Guid.NewGuid(),
message,
contributor: contributor);
EventData eventData = sut.Serialize(envelope);
string propertyName = nameof(Envelope.Contributor);
eventData.Properties.Keys.Should().Contain(propertyName);
object actual = eventData.Properties[propertyName];
actual.Should().BeOfType <string>().Which.Should().Be(contributor);
}
public void Serialize_sets_CorrelationId_property_correctly(
EventDataSerializer sut, Guid messageId, Message message, Guid correlationId)
{
var envelope = new Envelope(
messageId: Guid.NewGuid(),
message,
correlationId: correlationId);
EventData eventData = sut.Serialize(envelope);
string propertyName = nameof(Envelope.CorrelationId);
eventData.Properties.Keys.Should().Contain(propertyName);
object actual = eventData.Properties[propertyName];
actual.Should().Be(correlationId);
}
public EventHubMessageBus(
EventHubClient eventHubClient,
EventDataSerializer serializer)
{
if (serializer == null)
{
throw new ArgumentNullException(nameof(serializer));
}
if (eventHubClient == null)
{
throw new ArgumentNullException(nameof(eventHubClient));
}
_eventHubClient = eventHubClient;
_serializer = serializer;
}
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());
}
public EventHubMessageBus(
EventHubClient eventHubClient,
EventDataSerializer serializer)
: this(new EventMessageSender(eventHubClient), serializer)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="EventMessageSender"/> class.
/// </summary>
/// <param name="eventHubClient">An <see cref="EventHubClient"/>.</param>
public EventMessageSender(EventHubClient eventHubClient)
{
_serializer = new EventDataSerializer();
_eventHubClient = eventHubClient ?? throw new ArgumentNullException(nameof(eventHubClient));
}
public void TestInitialize()
{
fixture = new Fixture().Customize(new AutoMoqCustomization());
messageSerializer = new JsonMessageSerializer();
sut = new EventDataSerializer(messageSerializer);
}