public async Task sets_context_bag()
{
var bag = new ContextBag();
var context = new Moq.Mock <IIncomingPhysicalMessageContext>();
var next = new Moq.Mock <Func <Task> >();
context.Setup(x => x.MessageId).Returns("1");
context.Setup(x => x.Message).Returns(new IncomingMessage("1", new Dictionary <string, string>(), new byte[] { }));
context.Setup(x => x.Extensions).Returns(bag);
next.Setup(x => x()).Throws(new Exception("test"));
Assert.ThrowsAsync <Exception>(() => _rejector.Invoke(context.Object, next.Object));
next.Verify(x => x(), Moq.Times.Once);
int retries;
Assert.True(bag.TryGet <int>(Defaults.Retries, out retries));
Assert.AreEqual(0, retries);
next.Setup(x => x()).Returns(Task.CompletedTask);
await _rejector.Invoke(context.Object, next.Object);
next.Verify(x => x(), Moq.Times.Exactly(2));
Assert.True(bag.TryGet <int>(Defaults.Retries, out retries));
Assert.AreEqual(1, retries);
}
public void ShouldShallowCloneContextBag()
{
var context = new ContextBag();
context.Set("someKey", "someValue");
var testee = new SubscribeContext(new RootContext(null, null, null), typeof(object), context);
testee.Extensions.Set("someKey", "updatedValue");
testee.Extensions.Set("anotherKey", "anotherValue");
string value;
string anotherValue;
context.TryGet("someKey", out value);
Assert.AreEqual("someValue", value);
Assert.IsFalse(context.TryGet("anotherKey", out anotherValue));
string updatedValue;
string anotherValue2;
testee.Extensions.TryGet("someKey", out updatedValue);
testee.Extensions.TryGet("anotherKey", out anotherValue2);
Assert.AreEqual("updatedValue", updatedValue);
Assert.AreEqual("anotherValue", anotherValue2);
}
public Task max_retries_no_response_needed()
{
var bag = new ContextBag();
var context = new Moq.Mock <IIncomingPhysicalMessageContext>();
var next = new Moq.Mock <Func <Task> >();
var errorFunc = new Moq.Mock <Func <Exception, String, Error> >();
errorFunc.Setup(x => x(Moq.It.IsAny <Exception>(), Moq.It.IsAny <string>())).Returns(new Moq.Mock <Error>().Object).Verifiable();
context.Setup(x => x.Builder.Build <Func <Exception, String, Error> >()).Returns(errorFunc.Object);
context.Setup(x => x.MessageId).Returns("2");
context.Setup(x => x.Message).Returns(new IncomingMessage("2", new Dictionary <string, string>()
{
[Headers.MessageIntent] = MessageIntentEnum.Send.ToString(),
[Defaults.RequestResponse] = "0"
}, new byte[] { }));
context.Setup(x => x.Extensions).Returns(bag);
next.Setup(x => x()).Throws(new Exception("test"));
Assert.ThrowsAsync <Exception>(() => _rejector.Invoke(context.Object, next.Object));
Assert.ThrowsAsync <Exception>(() => _rejector.Invoke(context.Object, next.Object));
Assert.ThrowsAsync <Exception>(() => _rejector.Invoke(context.Object, next.Object));
int retries;
Assert.True(bag.TryGet <int>(Defaults.Retries, out retries));
Assert.AreEqual(2, retries);
next.Verify(x => x(), Moq.Times.Exactly(3));
errorFunc.Verify(x => x(Moq.It.IsAny <Exception>(), Moq.It.IsAny <string>()), Moq.Times.Never);
return(Task.CompletedTask);
}
public Task persistence_uow_bag_stored_on_fail()
{
var bag = new ContextBag();
bag.Set("test", "test");
var context = new Moq.Mock <IIncomingLogicalMessageContext>();
var next = new Moq.Mock <Func <Task> >();
var builder = new Moq.Mock <IBuilder>();
var uow = new Moq.Mock <IApplicationUnitOfWork>();
builder.Setup(x => x.BuildAll <IApplicationUnitOfWork>()).Returns(new IApplicationUnitOfWork[] { uow.Object });
context.Setup(x => x.MessageId).Returns("1");
context.Setup(x => x.Message).Returns(new LogicalMessage(new NServiceBus.Unicast.Messages.MessageMetadata(typeof(object)), new object()));
context.Setup(x => x.Extensions).Returns(bag);
context.Setup(x => x.Builder).Returns(builder.Object);
context.Setup(x => x.Headers).Returns(new Dictionary <string, string>());
context.Setup(x => x.MessageHeaders)
.Returns(new Dictionary <string, string> {
[Headers.MessageIntent] = MessageIntentEnum.Send.ToString()
});
uow.Setup(x => x.End(null)).Throws(new Exception("test"));
uow.Setup(x => x.Bag).Returns(bag);
Assert.ThrowsAsync <Exception>(() => _uow.Invoke(context.Object, next.Object));
Dictionary <Type, ContextBag> holder;
Assert.True(bag.TryGet("contextbags.1", out holder));
next.Verify(x => x(), Moq.Times.Once);
return(Task.CompletedTask);
}
static int GetConcurrency(ContextBag context)
{
if (!context.TryGet("NServiceBus.Persistence.Sql.Concurrency", out int concurrency))
{
throw new Exception("Cannot save saga because optimistic concurrency version is missing in the context.");
}
return(concurrency);
}
string ApplyDistributorLogic(ContextBag context)
{
IncomingMessage incomingMessage;
return(distributorAddress != null && context.TryGet(out incomingMessage) && incomingMessage.Headers.ContainsKey(LegacyDistributorHeaders.WorkerSessionId)
? distributorAddress
: sharedQueue);
}
static void SetEntry(ContextBag context, Guid sagaId, Entry value)
{
if (context.TryGet(ContextKey, out Dictionary <Guid, Entry> entries) == false)
{
entries = new Dictionary <Guid, Entry>();
context.Set(ContextKey, entries);
}
entries[sagaId] = value;
}
public void ShouldShallowCloneContextBag()
{
var context = new ContextBag();
context.Set("someKey", "someValue");
var testee = new SubscribeContext(new FakeRootContext(), new Type[0], context);
testee.Extensions.Set("someKey", "updatedValue");
testee.Extensions.Set("anotherKey", "anotherValue");
context.TryGet("someKey", out string value);
Assert.AreEqual("someValue", value);
Assert.IsFalse(context.TryGet("anotherKey", out string _));
testee.Extensions.TryGet("someKey", out string updatedValue);
testee.Extensions.TryGet("anotherKey", out string anotherValue2);
Assert.AreEqual("updatedValue", updatedValue);
Assert.AreEqual("anotherValue", anotherValue2);
}
/// <summary>
/// Tries to retrieve an instance of <typeparamref name="T" /> from a <see cref="ContextBag" />.
/// </summary>
public static bool TryGetDeliveryConstraint <T>(this ContextBag context, out T constraint) where T : DeliveryConstraint
{
Guard.AgainstNull(nameof(context), context);
if (context.TryGet(out List <DeliveryConstraint> constraints))
{
return(constraints.TryGet(out constraint));
}
constraint = null;
return(false);
}
string ApplyDistributorLogic(ContextBag context)
{
IncomingMessage incomingMessage;
if (distributorAddress != null && context.TryGet(out incomingMessage) && incomingMessage.Headers.ContainsKey(LegacyDistributorHeaders.WorkerSessionId))
{
return(distributorAddress);
}
return(configuredReturnAddress);
}
/// <summary>
/// Retrieves an IAsyncDocumentSession from the ContextBag. If a sessionFunction exists, that will be used
/// to create the session. Otherwise, retrieve the session directly from the bag.
/// </summary>
internal static IAsyncDocumentSession GetAsyncSession(this ContextBag contextBag)
{
Func <IAsyncDocumentSession> sessionFunction;
contextBag.TryGet(out sessionFunction);
if (sessionFunction != null)
{
return(sessionFunction());
}
IAsyncDocumentSession session;
if (contextBag.TryGet(out session))
{
return(session);
}
throw new Exception("IAsyncDocumentSession could not be retrieved for the incoming message pipeline.");
}
IAsyncDocumentSession GetSession(ContextBag context)
{
IncomingMessage message;
if (context.TryGet(out message))
{
return(sessionCreator.OpenSession(message.Headers));
}
return(documentStore.OpenAsyncSession());
}
internal static IDocumentSession GetSession(this ContextBag contextBag)
{
IDocumentSession session;
if (contextBag.TryGet(out session))
{
return(session);
}
throw new Exception("IDocumentSession could not be retrieved for the incoming message pipeline.");
}
/// <summary>
/// Removes a <see cref="DeliveryConstraint" /> to a <see cref="ContextBag" />.
/// </summary>
public static void RemoveDeliveryConstaint(this ContextBag context, DeliveryConstraint constraint)
{
List <DeliveryConstraint> constraints;
if (!context.TryGet(out constraints))
{
return;
}
constraints.Remove(constraint);
}
/// <summary>
/// Removes a <see cref="DeliveryConstraint" /> to a <see cref="ContextBag" />.
/// </summary>
public static List <DeliveryConstraint> GetDeliveryConstraints(this ContextBag context)
{
List <DeliveryConstraint> constraints;
if (context.TryGet(out constraints))
{
return(constraints);
}
return(new List <DeliveryConstraint>());
}
/// <summary>
/// Tries to retrieves an instance of <typeparamref name="T" /> from a <see cref="ContextBag" />.
/// </summary>
public static bool TryGetDeliveryConstraint <T>(this ContextBag context, out T constraint) where T : DeliveryConstraint
{
List <DeliveryConstraint> constraints;
if (context.TryGet(out constraints))
{
return(constraints.TryGet(out constraint));
}
constraint = null;
return(false);
}
/// <summary>
/// Removes a <see cref="DeliveryConstraint" /> from a <see cref="ContextBag" />.
/// </summary>
public static List <DeliveryConstraint> GetDeliveryConstraints(this ContextBag context)
{
Guard.AgainstNull(nameof(context), context);
if (context.TryGet(out List <DeliveryConstraint> constraints))
{
return(constraints);
}
return(new List <DeliveryConstraint>());
}
/// <summary>
/// Removes a <see cref="DeliveryConstraint" /> from a <see cref="ContextBag" />.
/// </summary>
public static void RemoveDeliveryConstraint(this ContextBag context, DeliveryConstraint constraint)
{
Guard.AgainstNull(nameof(constraint), constraint);
Guard.AgainstNull(nameof(context), context);
if (!context.TryGet(out List <DeliveryConstraint> constraints))
{
return;
}
constraints.Remove(constraint);
}
/// <summary>
/// Tries to remove an instance of <typeparamref name="T" /> from a <see cref="ContextBag" />.
/// </summary>
public static bool TryRemoveDeliveryConstraint <T>(this ContextBag context, out T constraint) where T : DeliveryConstraint
{
Guard.AgainstNull(nameof(context), context);
if (context.TryGet(out List <DeliveryConstraint> constraints))
{
var result = constraints.TryGet(out constraint);
if (result)
{
constraints.Remove(constraint);
}
return(result);
}
constraint = null;
return(false);
}
/// <summary>
/// Adds a <see cref="DeliveryConstraint" /> to a <see cref="ContextBag" />.
/// </summary>
public static void AddDeliveryConstraint(this ContextBag context, DeliveryConstraint constraint)
{
List <DeliveryConstraint> constraints;
if (!context.TryGet(out constraints))
{
constraints = new List <DeliveryConstraint>();
context.Set(constraints);
}
if (constraints.Any(c => c.GetType() == constraint.GetType()))
{
throw new InvalidOperationException("Constraint of type " + constraint.GetType().FullName + " already exists");
}
constraints.Add(constraint);
}
public Task Dispatch(TransportOperations outgoingMessages, ContextBag context)
{
foreach (UnicastTransportOperation transportOperation in outgoingMessages.UnicastTransportOperations)
{
string basePath = BaseDirectoryBuilder.BuildBasePath(transportOperation.Destination);
string nativeMessageId = Guid.NewGuid().ToString();
string bodyPath = Path.Combine(basePath, ".bodies", nativeMessageId) + ".xml";
var dir = Path.GetDirectoryName(bodyPath);
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
File.WriteAllBytes(bodyPath, transportOperation.Message.Body);
List <string> messageContents = new List <string>
{
bodyPath,
HeaderSerializer.Serialize(transportOperation.Message.Headers)
};
DirectoryBasedTransaction transaction;
string messagePath = Path.Combine(basePath, nativeMessageId) + ".txt";
if (transportOperation.RequiredDispatchConsistency != DispatchConsistency.Isolated &&
context.TryGet(out transaction))
{
transaction.Enlist(messagePath, messageContents);
}
else
{
string tempFile = Path.GetTempFileName();
//write to temp file first so an atomic move can be done
//this avoids the file being locked when the receiver tries to process it
File.WriteAllLines(tempFile, messageContents);
File.Move(tempFile, messagePath);
}
}
return(TaskEx.CompletedTask);
}
public Task Dispatch(TransportOperations outgoingMessages, ContextBag context)
{
foreach (UnicastTransportOperation transportOperation in outgoingMessages.UnicastTransportOperations)
{
string basePath = BaseDirectoryBuilder.BuildBasePath(transportOperation.Destination);
string nativeMessageId = Guid.NewGuid().ToString();
string bodyPath = Path.Combine(basePath, ".bodies", nativeMessageId) + ".xml";
var dir = Path.GetDirectoryName(bodyPath);
if (!Directory.Exists(dir))
Directory.CreateDirectory(dir);
File.WriteAllBytes(bodyPath, transportOperation.Message.Body);
List<string> messageContents = new List<string>
{
bodyPath,
HeaderSerializer.Serialize(transportOperation.Message.Headers)
};
DirectoryBasedTransaction transaction;
string messagePath = Path.Combine(basePath, nativeMessageId) + ".txt";
if (transportOperation.RequiredDispatchConsistency != DispatchConsistency.Isolated &&
context.TryGet(out transaction))
{
transaction.Enlist(messagePath, messageContents);
}
else
{
string tempFile = Path.GetTempFileName();
//write to temp file first so we can do a atomic move
//this avoids the file being locked when the receiver tries to process it
File.WriteAllLines(tempFile, messageContents);
File.Move(tempFile, messagePath);
}
}
return TaskEx.CompletedTask;
}
public async Task Complete(IContainSagaData sagaData, SynchronizedStorageSession session, ContextBag context)
{
var documentSession = session.RavenSession();
documentSession.Delete(sagaData);
string uniqueDocumentId;
RavenJToken uniqueDocumentIdMetadata;
var metadata = await documentSession.Advanced.GetMetadataForAsync(sagaData).ConfigureAwait(false);
if (metadata.TryGetValue(UniqueDocIdKey, out uniqueDocumentIdMetadata))
{
uniqueDocumentId = uniqueDocumentIdMetadata.Value <string>();
}
else
{
context.TryGet(UniqueDocIdKey, out uniqueDocumentId);
}
if (string.IsNullOrEmpty(uniqueDocumentId))
{
var uniqueDoc = await documentSession.Query <SagaUniqueIdentity>()
.SingleOrDefaultAsync(d => d.SagaId == sagaData.Id)
.ConfigureAwait(false);
if (uniqueDoc != null)
{
documentSession.Delete(uniqueDoc);
}
}
else
{
documentSession.Advanced.Defer(new DeleteCommandData
{
Key = uniqueDocumentId
});
}
}