package tech.powerjob.remote.benchmark;
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import static io.gatling.javaapi.core.CoreDsl.*;
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import static io.gatling.javaapi.http.HttpDsl.*;
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import io.gatling.javaapi.core.*;
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import io.gatling.javaapi.http.*;
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/**
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* 以 HTTP 为入口压测
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*
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* @author tjq
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* @since 2023/1/8
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*/
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public class HttpSimulation extends Simulation {
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String baseUrl = String.format("http://%s:8080", Constant.SERVER_HOST);
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HttpProtocolBuilder httpProtocol = http // 4
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.baseUrl(baseUrl) // 5
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.acceptHeader("application/json") // 6
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.doNotTrackHeader("1")
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.acceptLanguageHeader("en-US,en;q=0.5")
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.acceptEncodingHeader("gzip, deflate")
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.userAgentHeader("Mozilla/5.0 (Windows NT 5.1; rv:31.0) Gecko/20100101 Firefox/31.0");
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ScenarioBuilder warmup = scenario("WarmupSimulation")
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.exec(http("PowerJob-Warmup-HTTP")
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.get("/pressure/ask?protocol=HTTP&debug=false&responseSize=1024"))
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.exec(http("PowerJob-Warmup-AKKA")
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.get("/pressure/ask?protocol=AKKA&debug=false&responseSize=1024"))
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;
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ScenarioBuilder httpAsk = scenario("HttpSimulation") // 7
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.exec(http("PowerJob-Remote-Http") // 请求名称,用于压测报表展示
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.get("/pressure/ask?protocol=HTTP&debug=false&responseSize=1024")) // 9
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;
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ScenarioBuilder akkaAsk = scenario("AkkaSimulation") // 7
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.exec(http("PowerJob-Remote-AKKA") // 请求名称,用于压测报表展示
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.get("/pressure/ask?protocol=AKKA&debug=false&responseSize=1024")) // 9
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;
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/*
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atOnceUsers(10) 一次模拟的用户数量(10)
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nothingFor(4 seconds) 在指定的时间段(4 seconds)内什么都不干
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constantUsersPerSec(10) during(20 seconds) 以固定的速度模拟用户,指定每秒模拟的用户数(10),指定模拟测试时间长度(20 seconds)
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rampUsersPerSec(10) to (20) during(20 seconds) 在指定的时间(20 seconds)内,使每秒模拟的用户从数量1(10)逐渐增加到数量2(20),速度匀速
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heavisideUsers(100) over(10 seconds) 在指定的时间(10 seconds)内使用类似单位阶跃函数的方法逐渐增加模拟并发的用户,直到总数达到指定的数量(100).简单说就是每秒并发用户数递增
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*/
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{
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setUp( // 11
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warmup.injectOpen(constantUsersPerSec(50).during(10))
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.andThen(
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httpAsk.injectOpen(incrementUsersPerSec(100).times(10).eachLevelLasting(10))
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)
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.andThen(
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akkaAsk.injectOpen(incrementUsersPerSec(100).times(10).eachLevelLasting(10))
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)
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).protocols(httpProtocol); // 13
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}
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}
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