Gatling.io - load testing made easy!

Continuous web performance testing made easy with gatling.
#t3cs15

Transcript

1. Gatling
   STRESS  TOOL
    
   Automatic load testing made easy!
   

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2. Daniel Lienert
   Softwarearchitekt / ScrumMaster
   @ punkt.de
   Twitter: @dlienert
   Web: daniel.lienert.cc
   

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3. An extra 500 millisecods in search page
   generation time dropped traffic by 20%.
   Every 100 millisecods of latency
   costs 1% in sales.
   

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4. Teststack
   Unit Tests
   class  ProcessorTest  extends  UnitTestCase  {  
    
    /**  @test  */  
    public  func0on  process()  {  
      ...  
    }  }  
   Functional
   Tests
   class  ProcessorTest  extends  Func  
    /**  @test  */  
    public  func0on  process()  {  
      ...  
    }  }  
   Acceptance
   Tests
   Feature:  
      In  order  to  sell  products  
      as  a  store  employee  
      I  want  to  use  the  sales  app  
    
   ....  
   Performance
   Tests jMeter??
   

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5. jMeter
   

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6. •  Written in Scala
   •  NonBlocking IO / Asynchronous
   –  Less Resourcen / better performance then jMeter
   •  Testcases written in Scala DSL
   gatling.io
    
   Gatling
   

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7. Teststack
   Unit Tests
   class  ProcessorTest  extends  UnitTestCase  {  
    
    /**  @test  */  
    public  func0on  process()  {  
      ...  
    }  }  
   Functional
   Tests
   class  ProcessorTest  extends  Func  
    /**  @test  */  
    public  func0on  process()  {  
      ...  
    }  }  
   Acceptance
   Tests
   Feature:  
      In  order  to  sell  products  
      as  a  store  employee  
      I  want  to  use  the  sales  app  
    
   ....  
   Performance
   Tests
   class  PerformanceTest  extends  Simulaval  scnHome  =  scenario("Show  the  homepage“)  
              .exec(hKp("Homepage").get("/index.php"))  
   

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8. Show me
   CODE!
   

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16. Injection Profiles
    Injection Profiles
    –  nothingFor
    –  atOnceUsers
    –  rampUsers
    –  constantUsersPerSec
    –  rampUsersPerSec
    –  splitUsers
    –  heavisideUsers
    

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17. Loops
    Loop Types
    –  forever
    –  repeat
    –  during
    –  asLongAs
    –  foreach
    

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18. Feeder
    Feeder Types
    – csv, tsv, ssv
    – jsonFile, jsonUrl
    – jdbcFeeder
    – redisFeeder
    Feeder Strategies
    – queue
    – random
    – circular
    

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19. Assertions
    Scopes
    –  global
    –  forAll
    –  details
    Conditions
    –  lessThan
    –  greaterThan
    –  between
    –  is
    –  in
    Statistics
    –  responseTime
    –  allRequests
    –  failedRequests
    –  successfulRequests
    –  requestsPerSec
    

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20. Checks
    Header & Request
    –  status
    –  currentLocation
    –  header
    –  headerRegex
    –  responseTimeInMillis
    –  latencyInMillis
    Body
    –  bodyString
    –  bodyBytes
    –  substring
    –  regex
    –  xpath
    –  jsonPath, jsonpJsonPath
    –  css
    

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21. Application Control
    Body Manipulation
    –  body
    –  bodyPart
    –  formParam
    –  multivaluedFormParam
    –  formParamsMap
    –  formUpload
    

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22. ... or record ...
    

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23. Launch
    

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24. Launch
    bin/gatling.sh \!
    -df Data/ \!
    -sf Tests/Performance/Simulations/ \!
    -rf Tests/Performance/Reports/ \!
    -s typo3Project.performanceTest!
    

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25. ---- Show the homepage ---------------------------------------------------------!
    [##########################################################################]100%!
    waiting: 0 / active: 0 / done:1!
    ---- Requests ------------------------------------------------------------------!
    > Global (OK=1 KO=0 )!
    > Homepage (OK=1 KO=0 )!
    ================================================================================!
    !
    Simulation finished!
    Parsing log file(s)...!
    Parsing log file(s) done!
    Generating reports...!
    !
    ================================================================================!
    ---- Global Information --------------------------------------------------------!
    > request count 1 (OK=1 KO=0 )!
    > min response time 462 (OK=462 KO=- )!
    > max response time 462 (OK=462 KO=- )!
    > mean response time 462 (OK=462 KO=- )!
    > std deviation 0 (OK=0 KO=- )!
    > response time 50th percentile 462 (OK=462 KO=- )!
    > response time 75th percentile 462 (OK=462 KO=- )!
    > mean requests/sec 1.821 (OK=1.821 KO=- )!
    ---- Response Time Distribution ------------------------------------------------!
    > t < 800 ms 1 (100%)!
    > 800 ms < t < 1200 ms 0 ( 0%)!
    > t > 1200 ms 0 ( 0%)!
    > failed 0 ( 0%)!
    ================================================================================!
    

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26. Executive Summary
    

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27. Testrunner
    •  Maven
    •  SBT (Scala Build Tool)
    TYPO3  Flow  Command  
     
    Test Folders
    Flow Gatling Command
    Jenkins
    Statistics Report
    

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29. QUESTIONS  ?  
    Feedback:  @dlienert  
    

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30. Resources
    •  gatling.io
    •  dashing.io
    •  jenkins-ci.org
    

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