Post Load Test Actions

Question

My intention is to copy some SQL data from a testing tier (which at points is overwritten so I lose some useful application-specific load test data) and save it in the same server as the loadtest results. The copy methodology works fine, as intended.

My issue is with the Load Test Plug-in and how it can be used. I've currently made a plug-in which uses the LoadTestFinished event to take the LoadTestRunId and write that to my destination tables along with some other data which I wish to store. The problem is I'm using a custom assembly which only exists on my machine so only my agent has visibility to it so when it comes to the other agents using the plug-in class they fall over hard and the test aborts. From the title 'LoadTestFinished' event I had assumed this event fires when the load test has completed. However checking this link:

http://msdn.microsoft.com/en-us/library/microsoft.visualstudio.testtools.loadtesting.loadtest.loadtestfinished

It actually reads as if it will fire when the test finishes on each agent which is really no good at all for me as the agents will naturally finish at different times to one another. Also I only wish the code to run once, not once per agent.

My goal is simple - how can I have an event fire some code after the whole load test has finished, ideally getting the load test run id, start time and end time from the load test which has just ran?

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Nick Sandel (Software Tester) New to C# since November 2011

Answer 1

Hi Nick,

I am trying to involve someone familiar with this topic to further look at this issue. There might be some time delay. Appreciate your patience.

Best Regards,

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Jack Zhai [MSFT]
MSDN Community Support | Feedback to us

Answer 2

Hi Nick,

I apologize for this late response. I just got this reply from one of our engineers.

Eight events are associated with a load test that can be handled in the load test plug-in to run custom code with the load test. The following is a list of the events that provide access to different periods of the load test run:

LoadTestStarting

LoadTestFinished

LoadTestWarmupComplete

TestStarting

TestFinished

ThresholdExceeded

Heartbeat

LoadTestAborted

You can use  the  "Setup and Cleanup Scripts" dialog box to specify script to run after  tests are run.

http://msdn.microsoft.com/query/dev10.query?appId=Dev10IDEF1&l=EN-US&k=k(VS.TEST.RUNCONFIG.EDITOR)&rd=true

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Chris Cooper MSFT

Answer 3

Hi Chris,

Thanks for the response.

From trying a few things I still haven't found a way to achieve what I'm after. What I require is a script to run once (and only once) after the whole load test runs. I tried the cleanup script but unfortunately that was run once per test agent as the load test plug-in gets run. In the LoadTestFinished event I was able to extract the agent name but I can't guarantee which agent will be last to finish running the test so I can't use that as a marker to fire my code.

Any ideas on how I can automatically trigger some code/batch file to run after the whole load test has completed?

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Nick Sandel (Software Tester) New to C# since November 2011

Answer 4

Hi Nick,

Let me see what I can find out about this...

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Chris Cooper MSFT

Answer 5

Unfortunately the Load Test API does not provide this functionality out of the box. Please see the following sample if that helps you resolve the problem. Email Reporter: VSTS 2008 Load Test Plug-in
http://archive.msdn.microsoft.com/erep

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Trevor Hancock (Microsoft)
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