Enables user to select between different execution profiles from the same Gatling Simulation class file

GatlingMultiConfigSimulation

val httpProtocol = http.baseURL("http://localhost:8000")
 
case class TestSetup(repeat: Int, users: InjectionStep, label: String) // <-- config holder
 
val sequentialUserTest = TestSetup(repeat = 100, atOnce(1 user), "sequential 1 user")
val oneUserPer4sTest = TestSetup(repeat = 2, constantRate(0.25 userPerSec).during(5 minutes), "1 usr/4s, 2 req / user")
val threeCentIn5Mins = TestSetup(repeat = 5, ramp(300).over(5 minute), "300 usr w/ 5 req in 5 mins")
 
val testSetUp = sequentialUserTest // <-- config selection (could be also done at runtime)
 
val scn = scenario(s"""<something> ${testSetUp.label}""")
    .repeat(testSetUp.repeat) {
      exec(http("<something ...>")
        .get( """/index.html""")
        ...
        )
}
setUp(scn.inject(testSetUp.users)).protocols(httpProtocol)