Load test REST APIs using gatling
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Gatling can be used to load test REST APIs by writing Scala simulation scripts. The scripts define test scenarios by chaining together the steps of invoking APIs concurrently. Feeders can inject runtime values. Tests are run by executing the Scala scripts from sbt or triggered from Jenkins. Gatling generates test reports in the target directory with results like response times and errors.
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- 2. Gatling Simulation Scripts written in Scala Gatling runtime interprets Scala scripts and runs the tests Virtual Users invoking series of APIs concurrently Define test scenarios Feeders to inject runtime values for tests Record & Replay
- 3. First, a bit of Scala
- 4. • Immutability • vals rule • no one messes with my data • Functions • def a function • parameters, yes with default • return more than one, really ? • no side effects • function composition • functions as first class citizens • Object Oriented Scala • Classes, Objects, Traits • Collections • No more looping • How to do => What to do Lets see in Action - ScalaREPL
- 5. Now , get back to Load Testing REST APIs using Gatling
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- 9. gatling.io