public async Task FlushPendingEvents_sends_all_pending_events_correctly()
{
// Arrange
var messageBus = new MessageLogger();
var sut = new AzureEventPublisher(s_eventTable, s_serializer, messageBus);
var fixture = new Fixture();
var user = new FakeUser(Guid.NewGuid(), fixture.Create <string>());
user.ChangeUsername(fixture.Create <string>());
string operationId = fixture.Create <string>();
var correlationId = Guid.NewGuid();
string contributor = fixture.Create <string>();
var envelopes = new List <Envelope <IDomainEvent> >(
from domainEvent in user.FlushPendingEvents()
let messageId = Guid.NewGuid()
select new Envelope <IDomainEvent>(messageId, domainEvent, operationId, correlationId, contributor));
var batch = new TableBatchOperation();
foreach (Envelope <IDomainEvent> envelope in envelopes)
{
batch.Insert(PendingEvent.Create(typeof(FakeUser), envelope, s_serializer));
}
await s_eventTable.ExecuteBatchAsync(batch);
// Act
await sut.FlushPendingEvents <FakeUser>(user.Id);
// Assert
messageBus.Log.ShouldAllBeEquivalentTo(envelopes);
}
public void TestInitialize()
{
if (s_storageEmulatorConnected == false)
{
Assert.Inconclusive("Could not connect to Azure Storage Emulator. See the output for details. Refer to the following URL for more information: http://go.microsoft.com/fwlink/?LinkId=392237");
}
fixture = new Fixture().Customize(new AutoMoqCustomization());
fixture.Inject(s_eventTable);
serializer = new JsonMessageSerializer();
messageBus = Mock.Of <IMessageBus>();
sut = new AzureEventPublisher(s_eventTable, serializer, messageBus);
}
public async Task FlushPendingEvents_absorbs_exception_caused_by_that_some_pending_event_already_deleted_since_loaded()
{
// Arrange
var messageBus = new CompletableMessageBus();
var sut = new AzureEventPublisher(s_eventTable, s_serializer, messageBus);
var fixture = new Fixture();
var user = new FakeUser(Guid.NewGuid(), fixture.Create <string>());
user.ChangeUsername(fixture.Create <string>());
var pendingEvents = new List <PendingEvent>(
from message in user.FlushPendingEvents()
let messageId = Guid.NewGuid()
let envelope = new Envelope <IDomainEvent>(messageId, message)
select PendingEvent.Create(typeof(FakeUser), envelope, s_serializer));
var batch = new TableBatchOperation();
foreach (PendingEvent pendingEvent in pendingEvents)
{
batch.Insert(pendingEvent);
}
await s_eventTable.ExecuteBatchAsync(batch);
// Act
Func <Task> action = async() =>
{
Task flushTask = sut.FlushPendingEvents <FakeUser>(user.Id, CancellationToken.None);
await s_eventTable.ExecuteAsync(TableOperation.Delete(pendingEvents.OrderBy(e => e.GetHashCode()).First()));
messageBus.Complete();
await flushTask;
};
// Assert
action.ShouldNotThrow();
string filter = PendingEvent.GetFilter(typeof(FakeUser), user.Id);
var query = new TableQuery {
FilterString = filter
};
TableQuerySegment actual = await s_eventTable.ExecuteQuerySegmentedAsync(query, default);
actual.Should().BeEmpty();
}
public async Task FlushPendingEvents_does_not_delete_pending_events_if_fails_to_send()
{
// Arrange
var exception = new InvalidOperationException();
IMessageBus messageBus = Mock.Of <IMessageBus>(
x =>
x.Send(It.IsAny <IEnumerable <Envelope> >(), default) == Task.FromException(exception));
var sut = new AzureEventPublisher(s_eventTable, s_serializer, messageBus);
var fixture = new Fixture();
var user = new FakeUser(Guid.NewGuid(), fixture.Create <string>());
user.ChangeUsername(fixture.Create <string>());
string operationId = fixture.Create <string>();
var correlationId = Guid.NewGuid();
string contributor = fixture.Create <string>();
var pendingEvents = new List <PendingEvent>(
from message in user.FlushPendingEvents()
let messageId = Guid.NewGuid()
let envelope = new Envelope <IDomainEvent>(messageId, message, operationId, correlationId, contributor)
select PendingEvent.Create(typeof(FakeUser), envelope, s_serializer));
var batch = new TableBatchOperation();
foreach (PendingEvent pendingEvent in pendingEvents)
{
batch.Insert(pendingEvent);
}
await s_eventTable.ExecuteBatchAsync(batch);
// Act
Func <Task> action = () => sut.FlushPendingEvents <FakeUser>(user.Id);
// Assert
action.ShouldThrow <InvalidOperationException>();
string filter = PendingEvent.GetFilter(typeof(FakeUser), user.Id);
var query = new TableQuery <PendingEvent> {
FilterString = filter
};
TableQuerySegment <PendingEvent> actual = await s_eventTable.ExecuteQuerySegmentedAsync(query, default);
actual.ShouldAllBeEquivalentTo(pendingEvents);
}
public async Task FlushAllPendingEvents_sends_all_pending_events()
{
// Arrange
await s_eventTable.DeleteIfExistsAsync();
await s_eventTable.CreateAsync();
var messageBus = new MessageLogger();
var sut = new AzureEventPublisher(s_eventTable, s_serializer, messageBus);
var expected = new List <Envelope <IDomainEvent> >();
var fixture = new Fixture();
var userIds = fixture.CreateMany <Guid>().ToList();
foreach (Guid userId in userIds)
{
var user = new FakeUser(userId, fixture.Create <string>());
user.ChangeUsername(fixture.Create <string>());
string operationId = fixture.Create <string>();
var correlationId = Guid.NewGuid();
string contributor = fixture.Create <string>();
var envelopes = new List <Envelope <IDomainEvent> >(
from message in user.FlushPendingEvents()
let messageId = Guid.NewGuid()
select new Envelope <IDomainEvent>(messageId, message, operationId, correlationId, contributor));
expected.AddRange(envelopes);
var batch = new TableBatchOperation();
foreach (Envelope <IDomainEvent> envelope in envelopes)
{
batch.Insert(PendingEvent.Create(typeof(FakeUser), envelope, s_serializer));
}
await s_eventTable.ExecuteBatchAsync(batch);
}
// Act
await sut.FlushAllPendingEvents(CancellationToken.None);
// Assert
messageBus.Log.ShouldAllBeEquivalentTo(expected);
}
public void FlushPendingEvents_does_not_invoke_Send_if_pending_event_not_found()
{
// Arrange
IMessageBus messageBus = Mock.Of <IMessageBus>();
var sut = new AzureEventPublisher(s_eventTable, s_serializer, messageBus);
// Act
Func <Task> action = () => sut.FlushPendingEvents <FakeUser>(Guid.NewGuid());
// Assert
action.ShouldNotThrow();
Mock.Get(messageBus).Verify(
x =>
x.Send(
It.IsAny <IEnumerable <Envelope> >(),
It.IsAny <CancellationToken>()),
Times.Never());
}
public async Task FlushPendingEvents_deletes_all_pending_events()
{
// Arrange
var sut = new AzureEventPublisher(s_eventTable, s_serializer, Mock.Of <IMessageBus>());
var fixture = new Fixture();
var user = new FakeUser(Guid.NewGuid(), fixture.Create <string>());
user.ChangeUsername(fixture.Create <string>());
var envelopes = new List <Envelope <IDomainEvent> >(
from domainEvent in user.FlushPendingEvents()
let messageId = Guid.NewGuid()
select new Envelope <IDomainEvent>(messageId, domainEvent));
var batch = new TableBatchOperation();
foreach (Envelope <IDomainEvent> envelope in envelopes)
{
batch.Insert(PendingEvent.Create(typeof(FakeUser), envelope, s_serializer));
}
await s_eventTable.ExecuteBatchAsync(batch);
// Act
await sut.FlushPendingEvents <FakeUser>(user.Id);
// Assert
string filter = PendingEvent.GetFilter(typeof(FakeUser), user.Id);
var query = new TableQuery {
FilterString = filter
};
TableQuerySegment actual = await s_eventTable.ExecuteQuerySegmentedAsync(query, default);
actual.Results.Should().BeEmpty();
}
