public void Test_PubSubMessenger_MessageFiltering()
{
// Arrange
var messenger = new PubSubMessenger(new PubSubJsonAuthConfig()
{
JsonAuthFile = _fixture.CredentialPath,
ProjectId = _fixture.ProjectId
});
var manager = messenger.EntityManager as PubSubManager;
// Act
// Create the filter topic for testing.
manager.CreateTopicDefaults(_fixture.MessageFilterTopic, null, "defaultsub").GetAwaiter().GetResult();
manager.CreateSubscription(_fixture.MessageFilterTopic, "filteredsub", "attributes:pickme").GetAwaiter().GetResult();
// Send two messages, one that wont be picked up by the filter subscription and the other that
// will. The result is two messages to the defaultsub, one to filteredsub
messenger.Send(_fixture.MessageFilterTopic, "test").GetAwaiter().GetResult();
messenger.Send(_fixture.MessageFilterTopic, "testfilter", new KeyValuePair <string, object>[]
{
new KeyValuePair <string, object>("pickme", "please")
}).GetAwaiter().GetResult();
// Receive from both subscriptions.
var nonFilteredMessages = messenger.ReceiveBatch <string>("defaultsub", 100).GetAwaiter().GetResult();
var filteredMessages = messenger.ReceiveBatch <string>("filteredsub", 100).GetAwaiter().GetResult();
var filteredMessage = messenger.ReceiveOne <string>("filteredsub").GetAwaiter().GetResult();
// Assert
nonFilteredMessages.Count().Should().Be(2);
filteredMessages.Count().Should().Be(1);
filteredMessage.Should().NotBe(null);
filteredMessage.Should().Be("testfilter");
}
public void Test_PubSubMessenger_StreamMessages()
{
// Arrange
var pubsub = new PubSubMessenger(new PubSubJsonAuthConfig()
{
JsonAuthFile = _fixture.CredentialPath,
ProjectId = _fixture.ProjectId,
ReceiverConfig = new ReceiverConfig
{
EntityName = _fixture.StreamTopicName,
CreateEntityIfNotExists = true
},
Sender = new SenderConfig
{
EntityName = _fixture.StreamTopicName,
CreateEntityIfNotExists = true
}
});
var lorem = Lorem.GetSentences(10);
var waitTimer = new Stopwatch();
var messagesProcessed = 0;
var processedAfterCancelCount = 0;
// Act
pubsub.Send(lorem).GetAwaiter().GetResult();
pubsub.Receive <string>((m) =>
{
pubsub.Complete(m).GetAwaiter().GetResult();
messagesProcessed++;
processedAfterCancelCount++;
}, (e) =>
{
});
waitTimer.Start();
do
{
Task.Delay(500).GetAwaiter().GetResult();
} while (waitTimer.Elapsed.TotalSeconds < 5);
pubsub.CancelReceive <string>();
Task.Delay(500).GetAwaiter().GetResult();
waitTimer.Reset();
waitTimer.Start();
processedAfterCancelCount = 0; // verify no more messages were processed after cancellation.
do
{
Task.Delay(500).GetAwaiter().GetResult();
} while (waitTimer.Elapsed.TotalSeconds < 5);
// Assert
messagesProcessed.Should().BeGreaterOrEqualTo(1);
processedAfterCancelCount.Should().Be(0);
}
