public void Removing_set_while_dispatches_are_pending_drops_dispatches()
{
// Arrange
var ev = new DispatcherEvent(
new XDoc("msg"),
new XUri("channel:///foo/bar"),
new XUri("http://foobar.com/some/page"));
var setUpdated = false;
_dispatcher.CombinedSetUpdated += delegate {
setUpdated = true;
};
var recipientUri = new XUri("http://recipient");
var fail = true;
var success = false;
var attempts = 0;
MockPlug.Register(recipientUri, (plug, verb, uri, request, response) => {
attempts++;
if(fail) {
response.Return(DreamMessage.BadRequest("bad"));
} else {
response.Return(DreamMessage.Ok());
success = true;
}
});
var dispatchQueue = new MockPubSubDispatchQueue(_dequeueHandler);
var queueResolved = false;
_queueRepositoryMock.Setup(x => x[It.Is<PubSubSubscriptionSet>(y => y.Location == "abc")])
.Callback(() => queueResolved = true)
.Returns(dispatchQueue)
.Verifiable();
_dispatcher.RegisterSet(
"abc",
new XDoc("subscription-set")
.Attr("max-failure-duration", 100)
.Elem("uri.owner", "http:///owner1")
.Start("subscription")
.Attr("id", "1")
.Elem("channel", "channel:///foo/bar")
.Start("recipient").Elem("uri", recipientUri).End()
.End(),
"def"
);
// combinedset updates happen asynchronously, so give'em a chance
Assert.IsTrue(Wait.For(() => setUpdated, 10.Seconds()), "combined set didn't update in time");
// Act
_dispatcher.Dispatch(ev);
Assert.IsTrue(Wait.For(() => attempts > 0, 10.Seconds()), "never attempted to dispatch event");
_dispatcher.RemoveSet("abc");
// we observe the removal of the subscription by seeing the combined set updated
Assert.IsTrue(Wait.For(() => setUpdated, 10.Seconds()), "subscription wasn't removed in tim");
fail = false;
// Assert
Assert.IsFalse(Wait.For(() => success, 2.Seconds()), "dispatch made it through after all");
}
public void Dispatch_failure_for_expiring_set_will_continue_to_retry()
{
// Arrange
var ev = new DispatcherEvent(
new XDoc("msg"),
new XUri("channel:///foo/bar"),
new XUri("http://foobar.com/some/page"));
var setUpdated = false;
_dispatcher.CombinedSetUpdated += delegate {
setUpdated = true;
};
var recipientUri = new XUri("http://recipient");
var failures = 5;
var requestCount = 0;
var done = false;
MockPlug.Register(recipientUri, (plug, verb, uri, request, response) => {
requestCount++;
if(requestCount > failures) {
response.Return(DreamMessage.Ok());
done = true;
} else {
response.Return(DreamMessage.BadRequest("bad"));
}
});
var dispatchQueue = new MockPubSubDispatchQueue(_dequeueHandler);
var queueResolved = false;
_queueRepositoryMock.Setup(x => x[It.Is<PubSubSubscriptionSet>(y => y.Location == "abc")])
.Callback(() => queueResolved = true)
.Returns(dispatchQueue)
.Verifiable();
_dispatcher.RegisterSet(
"abc",
new XDoc("subscription-set")
.Attr("max-failure-duration", 100)
.Elem("uri.owner", "http:///owner1")
.Start("subscription")
.Attr("id", "1")
.Elem("channel", "channel:///foo/bar")
.Start("recipient").Elem("uri", recipientUri).End()
.End(),
"def"
);
// combinedset updates happen asynchronously, so give'em a chance
Assert.IsTrue(Wait.For(() => setUpdated, 10.Seconds()), "combined set didn't update in time");
// Act
_dispatcher.Dispatch(ev);
// Assert
// dispatch happens asynchronously so we need to wait until our mock repository was accessed
Assert.IsTrue(
Wait.For(() => queueResolved, 10.Seconds()),
"mock repository was not accessed in time"
);
_queueRepositoryMock.VerifyAll();
Assert.IsTrue(Wait.For(() => done, 10.Seconds()), "dispatch didn't complete");
Assert.AreEqual(failures + 1, requestCount, "wrong number of requests");
Assert.AreEqual(failures, dispatchQueue.FailureCount, "wrong number of failure responses reported to dispatchqueue");
}
public void Dispatch_for_expiring_set_happens_only_once_for_an_event()
{
// Arrange
var doc = new XDoc("msg").Elem("foo", StringUtil.CreateAlphaNumericKey(10));
var ev = new DispatcherEvent(
doc,
new XUri("channel:///foo/bar"),
new XUri("http://foobar.com/some/page"));
var setUpdated = false;
_dispatcher.CombinedSetUpdated += delegate {
setUpdated = true;
};
var recipientUri = new XUri("http://recipient");
XDoc dispatched = null;
var dispatchCount = 0;
MockPlug.Register(recipientUri, (plug, verb, uri, request, response) => {
dispatchCount++;
dispatched = request.ToDocument();
response.Return(DreamMessage.Ok());
});
var dispatchQueue = new MockPubSubDispatchQueue(_dequeueHandler);
var queueResolved = false;
_queueRepositoryMock.Setup(x => x[It.Is<PubSubSubscriptionSet>(y => y.Location == "abc")])
.Callback(() => queueResolved = true)
.Returns(dispatchQueue)
.Verifiable();
_dispatcher.RegisterSet(
"abc",
new XDoc("subscription-set")
.Attr("max-failure-duration", 100)
.Elem("uri.owner", "http:///owner1")
.Start("subscription")
.Attr("id", "1")
.Elem("channel", "channel:///foo/bar")
.Start("recipient").Elem("uri", recipientUri).End()
.End(),
"def"
);
// combinedset updates happen asynchronously, so give'em a chance
Assert.IsTrue(Wait.For(() => setUpdated, 10.Seconds()), "combined set didn't update in time");
// Act
_dispatcher.Dispatch(ev);
// Assert
// dispatch happens asynchronously so we need to wait until our mock repository was accessed
Assert.IsTrue(
Wait.For(() => dispatched != null, 10.Seconds()),
"dispatch didn't happen"
);
Assert.IsFalse(
Wait.For(() => dispatchCount > 1, 2.Seconds()),
"more than one dispatch happened"
);
_queueRepositoryMock.VerifyAll();
Assert.AreEqual(doc.ToCompactString(), dispatched.ToCompactString());
}
public void Dispatch_failures_lasting_longer_than_set_MaxFailureDuration_will_drop_subscription_and_events()
{
// Arrange
var ev = new DispatcherEvent(
new XDoc("msg"),
new XUri("channel:///foo/bar"),
new XUri("http://foobar.com/some/page"));
var setUpdated = false;
_dispatcher.CombinedSetUpdated += delegate {
setUpdated = true;
};
var recipientUri = new XUri("http://recipient");
MockPlug.Register(recipientUri, (plug, verb, uri, request, response) => response.Return(DreamMessage.BadRequest("bad")));
var dispatchQueue = new MockPubSubDispatchQueue(_dequeueHandler) {
FailureWindow = 10.Seconds()
};
var queueResolved = false;
_queueRepositoryMock.Setup(x => x[It.Is<PubSubSubscriptionSet>(y => y.Location == "abc")])
.Callback(() => queueResolved = true)
.Returns(dispatchQueue)
.Verifiable();
_dispatcher.RegisterSet(
"abc",
new XDoc("subscription-set")
.Attr("max-failure-duration", 1)
.Elem("uri.owner", "http:///owner1")
.Start("subscription")
.Attr("id", "1")
.Elem("channel", "channel:///foo/bar")
.Start("recipient").Elem("uri", recipientUri).End()
.End(),
"def"
);
// combinedset updates happen asynchronously, so give'em a chance
Assert.IsTrue(Wait.For(() => setUpdated, 10.Seconds()), "combined set didn't update in time");
// Act
_dispatcher.Dispatch(ev);
setUpdated = false;
// Assert
// we observe the removal of the subscription by seeing the combined set updated
Assert.IsTrue(Wait.For(() => setUpdated, 10.Seconds()), "subscription wasn't removed in tim");
_queueRepositoryMock.VerifyAll();
foreach(var set in _dispatcher.GetAllSubscriptionSets()) {
Assert.AreNotEqual("abc", set.Location, "found set in list of subscriptions after it should have been dropped");
}
}
