public void When_DSLWithTwoTransformsAndSingleParameterUsed_Expect_SingleValidTransformPipelineBuilt()
{
// Build a string with some of the DSL in order to test
string simpleTransformationPipeline = "CPUMAX->" + RemoveBaseNoiseActor.TRANSFORM_NAME +
":" + RemoveSpikeActor.TRANSFORM_NAME + "{ " + RemoveSpikeActor.SPIKE_WINDOW_LENGTH + " = 3}";
// Create the container for all the actors
var sys = ActorSystem.Create("vmstats-lang-tests" /*, config*/);
// Create some transform actors so that we can test the DSL
//var actor1 = sys.ActorOf(Props.Create(() => new RemoveBaseNoiseActor()), "Transforms-" + RemoveBaseNoiseActor.TRANSFORM_NAME);
//var actor2 = sys.ActorOf(Props.Create(() => new RemoveSpikeActor()), "Transforms-" + RemoveSpikeActor.TRANSFORM_NAME);
// Pick one of the defined above pipelines to use in the test
string cmd = simpleTransformationPipeline;
// Create a collection to hold all of the transform_pipelines found by the listener when we
// decode the DSL.
Queue <Messages.BuildTransformSeries> result = new Queue <Messages.BuildTransformSeries>();
// translate the DSL in the test text and execute the tranform pipeline it represents
var tp = new TransformationLanguage(sys.Log);
tp.DecodeAndExecute(cmd, result);
// Generate the expected results
var expectedResult = generateTestData_When_DSLWithTwoTransformsAndSingleParameterUsed_Expect_SingleValidTransformPipelineBuilt();
// Check expected results match real results
Assert.AreNotEqual(expectedResult.Peek().GroupID, result.Peek().GroupID,
"GroupID, Results and Expected values are equal.\nExpected values = {0}\nActual result values = {1}. ",
new object[] { JsonConvert.SerializeObject(expectedResult.Peek().GroupID),
JsonConvert.SerializeObject(result.Peek().GroupID) });
Assert.AreEqual(expectedResult.Peek().MetricName, result.Peek().MetricName,
"MetricName, Results and Expected values are different.\nExpected values = {0}\nActual result values = {1}. ",
new object[] { JsonConvert.SerializeObject(expectedResult), JsonConvert.SerializeObject(result) });
var e = JsonConvert.SerializeObject(expectedResult.Peek().Transforms);
var a = JsonConvert.SerializeObject(result.Peek().Transforms);
Assert.AreEqual(e, a,
"Transforms, Results and Expected values are different.\nExpected values = {0}\nActual result values = {1}. ",
new object[] { e, a }
);
}
public void When_DSLIsInvlaid_Expect_Exception()
{
// Build a string containing errors in the DSL
string errorTransformationPipeline = "CPUMAX && ^^ -> RBN : 'JON' {param-1=value$4}";
// Pick one of the defined above pipelines to use in the test
string cmd = errorTransformationPipeline;
// Create the container for all the actors
var sys = ActorSystem.Create("vmstats-lang-tests" /*, config*/);
// Create a collection to hold all of the transform_pipelines found by the listener when we
// decode the DSL.
Queue <Messages.BuildTransformSeries> result = new Queue <Messages.BuildTransformSeries>();
// translate the DSL in the test text and execute the tranform pipeline it represents
var tp = new TransformationLanguage(sys.Log);
VmstatsLangException ex = Assert.Throws <VmstatsLangException>(delegate { tp.DecodeAndExecute(cmd, result); },
"Unexpected exceptiion thrown.");
}
public ActionResult <CreatedAtRouteResult> Post([FromBody] Messages.ProcessCommand request)
{
var jsonRequest = JsonConvert.SerializeObject(request);
_log.LogDebug($"Received request Post. Request is: {jsonRequest}");
try
{
// Validate the dsl
Queue <Messages.BuildTransformSeries> q = new Queue <Messages.BuildTransformSeries>();
TransformationLanguage tl = new TransformationLanguage(startup._log);
tl.DecodeAndExecute(request.Dsl, q);
// Start the processing of the pipeline by telling the MetricAccumulatorDispatcherActor to route the request
var actor = startup.vmstatsActorSystem.ActorSelection("/user/" + MetricAccumulatorDispatcherActor.ACTOR_NAME);
actor.Tell(new Messages.StartProcessingTransformPipeline(request, q));
startup.vmstatsActorSystem.Log.Debug("Starting the processing of the transforms specified in the dsl");
Console.WriteLine("Starting the processing of the transforms specified in the dsl");
}
catch (VmstatsLangException e)
{
startup.vmstatsActorSystem.Log.Error($"Error processing DSL in request. Message is: {e.Message}");
var errorMsg = $"Error processing DSL in request. Message: {e.Message}";
_log.LogError(errorMsg);
Console.WriteLine(errorMsg);
return(BadRequest(errorMsg));
} catch (Exception e)
{
startup.vmstatsActorSystem.Log.Error($"Error processing DSL in request. Message is: {e.Message}");
var errorMsg = $"Error processing DSL in request. Message: {e.Message}";
_log.LogError(errorMsg);
Console.WriteLine(errorMsg);
return(BadRequest(errorMsg));
}
return(Ok());
}
