Added Gatling performance testing

webgoat-container/src/test/scala/Simulation.scala

@@ -0,0 +1,27 @@
+import io.gatling.core.Predef._
+import io.gatling.http.Predef._
+import org.apache.commons.lang3.RandomStringUtils
+
+import scala.concurrent.duration._
+
+class BasicSimulation extends Simulation {
+
+  val httpConf = http
+    .baseURL("http://localhost:8080/WebGoat/") // Here is the root for all relative URLs
+    .userAgentHeader("Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:16.0) Gecko/20100101 Firefox/16.0")
+
+  val scn = scenario("Register and automatic login").
+    exec(session =>
+      session.setAll(("username", RandomStringUtils.randomAlphabetic(10)))
+    )
+    .exec(
+      http("Test")
+        .post("register.mvc")
+        .formParam("username", "${username}")
+        .formParam("password", "${username}")
+        .formParam("matchingPassword", "${username}")
+        .formParam("agree", "agree")
+    )
+
+  setUp(scn.inject(atOnceUsers(100)).protocols(httpConf))
+}