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Tutorials > Gatling Performance Test > Setting up Gatling

Setting up Gatling

Gatling is a load testing tool used to test the performance of web applications. The following steps describe how to set up Gatling and create a simple test scenario:

  • Install Gatling: Gatling can be installed as a standalone package or as a plugin for an existing build tool such as Maven or Gradle. To install Gatling, follow the instructions on the Gatling website (https://gatling.io/docs/current/installation/).

  • Create a Gatling project: Gatling provides a tool to create a new project from the command line. Run the following command to create a new Gatling project:

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gatling.sh -nr
  • Write the test scenario: Gatling test scenarios are written in Scala. To create a simple test scenario, you can use the following code as a starting point:
kotlin
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import io.gatling.core.Predef._
import io.gatling.http.Predef._
import scala.concurrent.duration._

class SimpleTest extends Simulation {
  val httpConf = http.baseUrl("http://example.com")

  val scn = scenario("Simple Test Scenario")
    .exec(http("request_1").get("/"))

  setUp(
    scn.inject(atOnceUsers(1))
  ).protocols(httpConf)
}
  • Run the test: To run the test, you can use the following command:
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gatling.sh -s SimpleTest

This will execute the test scenario and generate a report with the results. The report will show you details on response time, number of requests per second, and other performance metrics.

Note: The above code and steps are just a starting point for a simple Gatling test scenario. You can customize the scenario and add additional features to meet your specific testing needs.



Next: Writing test scenarios with Gatlings simulation and scenario builders

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