var Component=(()=>{var h=Object.create;var t=Object.defineProperty;var p=Object.getOwnPropertyDescriptor;var y=Object.getOwnPropertyNames;var m=Object.getPrototypeOf,A=Object.prototype.hasOwnProperty;var u=(l,n)=>()=>(n||l((n={exports:{}}).exports,n),n.exports),D=(l,n)=>{for(var a in n)t(l,a,{get:n[a],enumerable:!0})},i=(l,n,a,s)=>{if(n&&typeof n=="object"||typeof n=="function")for(let r of y(n))!A.call(l,r)&&r!==a&&t(l,r,{get:()=>n[r],enumerable:!(s=p(n,r))||s.enumerable});return l};var g=(l,n,a)=>(a=l!=null?h(m(l)):{},i(n||!l||!l.__esModule?t(a,"default",{value:l,enumerable:!0}):a,l)),B=l=>i(t({},"__esModule",{value:!0}),l);var c=u((v,o)=>{o.exports=_jsx_runtime});var b={};D(b,{default:()=>f,frontmatter:()=>F});var e=g(c()),F={title:"Comprehensive Guide to Performance API Testing with K6",description:"Explore K6 examples, configuration, reporting, and Docker integration for real-world test automation frameworks.",cardImage:"/card-images/performance_api_testing_with_k6.png",date:"2024-04-05",tags:["#K6","#API","#API-Testing","#Automation","#JavaScript","#Docker","#CI/CD","#Performance-Testing"],read:"8 min read",imageUrl:"/thumbnails/posts/performance_api_testing_with_k6.png"};function d(l){let n=Object.assign({h2:"h2",a:"a",p:"p",strong:"strong",figure:"figure",figcaption:"figcaption",pre:"pre",code:"code",span:"span",ul:"ul",li:"li"},l.components);return(0,e.jsxs)(e.Fragment,{children:[(0,e.jsx)("img",{className:"rounded-lg",src:"/card-images/performance_api_testing_with_k6.png",alt:"Performance Testing Demystified: Tips, Tools, and Best Practices"}),` `,(0,e.jsx)(n.h2,{children:(0,e.jsxs)("div",{className:"linkHover",id:"intro",children:[(0,e.jsx)(n.a,{href:"#intro",children:"Intro"}),(0,e.jsxs)("svg",{xmlns:"http://www.w3.org/2000/svg",width:"16",height:"16",fill:"currentColor",className:"bi bi-link-45deg",viewBox:"0 0 16 16",children:[" ",(0,e.jsx)("path",{d:"M4.715 6.542 3.343 7.914a3 3 0 1 0 4.243 4.243l1.828-1.829A3 3 0 0 0 8.586 5.5L8 6.086a1.002 1.002 0 0 0-.154.199 2 2 0 0 1 .861 3.337L6.88 11.45a2 2 0 1 1-2.83-2.83l.793-.792a4.018 4.018 0 0 1-.128-1.287z"})," ",(0,e.jsx)("path",{d:"M6.586 4.672A3 3 0 0 0 7.414 9.5l.775-.776a2 2 0 0 1-.896-3.346L9.12 3.55a2 2 0 1 1 2.83 2.83l-.793.792c.112.42.155.855.128 1.287l1.372-1.372a3 3 0 1 0-4.243-4.243L6.586 4.672z"})]})]})}),` `,(0,e.jsxs)(n.p,{children:["Performance testing is an essential aspect of ensuring the reliability and scalability of web applications, especially those with API endpoints. ",(0,e.jsx)(n.strong,{children:(0,e.jsx)("a",{href:"https://k6.io/",target:"_blank",children:"K6"})})," is a powerful open-source load testing tool that allows you to simulate thousands of concurrent users and analyze the performance of your APIs under various load conditions. Built for the cloud-native era, it is a modern, developer-friendly tool that lets you write test scripts in JavaScript and execute them using the command-line interface (CLI) or as part of your continuous integration pipeline. With K6, you can easily identify performance bottlenecks and optimize your applications, thanks to its detailed metrics and visualizations. In this article, we'll explore how to perform performance API testing using K6, with examples that you can integrate into real-world test automation frameworks."]}),` `,(0,e.jsx)(n.h2,{children:(0,e.jsxs)("div",{className:"linkHover",id:"purpose-of-performance-api-testing",children:[(0,e.jsx)(n.a,{href:"#purpose-of-performance-api-testing",children:"Purpose of Performance API Testing"}),(0,e.jsxs)("svg",{xmlns:"http://www.w3.org/2000/svg",width:"16",height:"16",fill:"currentColor",className:"bi bi-link-45deg",viewBox:"0 0 16 16",children:[" ",(0,e.jsx)("path",{d:"M4.715 6.542 3.343 7.914a3 3 0 1 0 4.243 4.243l1.828-1.829A3 3 0 0 0 8.586 5.5L8 6.086a1.002 1.002 0 0 0-.154.199 2 2 0 0 1 .861 3.337L6.88 11.45a2 2 0 1 1-2.83-2.83l.793-.792a4.018 4.018 0 0 1-.128-1.287z"})," ",(0,e.jsx)("path",{d:"M6.586 4.672A3 3 0 0 0 7.414 9.5l.775-.776a2 2 0 0 1-.896-3.346L9.12 3.55a2 2 0 1 1 2.83 2.83l-.793.792c.112.42.155.855.128 1.287l1.372-1.372a3 3 0 1 0-4.243-4.243L6.586 4.672z"})]})]})}),` `,(0,e.jsx)(n.p,{children:"Performance API testing involves assessing the responsiveness, reliability, and scalability of API endpoints under different load conditions. By simulating realistic user behavior and load patterns, you can identify performance issues such as slow response times, high error rates, and resource exhaustion. Performance API testing helps you ensure that your APIs can handle the expected workload and deliver a satisfactory user experience."}),` `,(0,e.jsx)(n.h2,{children:(0,e.jsxs)("div",{className:"linkHover",id:"getting-started-with-k6",children:[(0,e.jsx)(n.a,{href:"#getting-started-with-k6",children:"Getting Started with K6"}),(0,e.jsxs)("svg",{xmlns:"http://www.w3.org/2000/svg",width:"16",height:"16",fill:"currentColor",className:"bi bi-link-45deg",viewBox:"0 0 16 16",children:[" ",(0,e.jsx)("path",{d:"M4.715 6.542 3.343 7.914a3 3 0 1 0 4.243 4.243l1.828-1.829A3 3 0 0 0 8.586 5.5L8 6.086a1.002 1.002 0 0 0-.154.199 2 2 0 0 1 .861 3.337L6.88 11.45a2 2 0 1 1-2.83-2.83l.793-.792a4.018 4.018 0 0 1-.128-1.287z"})," ",(0,e.jsx)("path",{d:"M6.586 4.672A3 3 0 0 0 7.414 9.5l.775-.776a2 2 0 0 1-.896-3.346L9.12 3.55a2 2 0 1 1 2.83 2.83l-.793.792c.112.42.155.855.128 1.287l1.372-1.372a3 3 0 1 0-4.243-4.243L6.586 4.672z"})]})]})}),` `,(0,e.jsxs)(n.p,{children:["Before we dive into performance API testing with K6, let's first set up our environment and install K6. You can follow the instructions from the ",(0,e.jsx)(n.strong,{children:(0,e.jsx)("a",{href:"https://grafana.com/docs/k6/latest/get-started/installation/",target:"_blank",children:"official website"})}),". Once installed, you can verify the installation by running the command below:"]}),` `,(0,e.jsxs)(n.figure,{"data-rehype-pretty-code-figure":"",children:[(0,e.jsx)(n.figcaption,{"data-rehype-pretty-code-title":"","data-language":"bash","data-theme":"github-dark-dimmed",raw:`k6 version `,children:"bash"}),(0,e.jsx)(n.pre,{style:{backgroundColor:"#22272e",color:"#adbac7"},tabIndex:"0","data-language":"bash","data-theme":"github-dark-dimmed",children:(0,e.jsx)(n.code,{"data-language":"bash","data-theme":"github-dark-dimmed",style:{display:"grid"},children:(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#F69D50"},children:"k6"}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:" version"})]})})})]}),` `,(0,e.jsxs)(n.p,{children:["Now that we have K6 installed, let's create a simple test script to perform a basic API request. We'll use the ",(0,e.jsx)(n.code,{children:"http.get()"})," function to send a GET request to a sample API endpoint and print the response to the console."]}),` `,(0,e.jsxs)(n.figure,{"data-rehype-pretty-code-figure":"",children:[(0,e.jsx)(n.figcaption,{"data-rehype-pretty-code-title":"","data-language":"javascript","data-theme":"github-dark-dimmed",raw:`import http from "k6/http"; export default function () { const response = http.get("https://httpbin.org/get"); console.log(\`Response status: \${response.status}\`); } `,children:"test.js"}),(0,e.jsx)(n.pre,{style:{backgroundColor:"#22272e",color:"#adbac7"},tabIndex:"0","data-language":"javascript","data-theme":"github-dark-dimmed",children:(0,e.jsxs)(n.code,{"data-line-numbers":"","data-language":"javascript","data-theme":"github-dark-dimmed",style:{display:"grid"},"data-line-numbers-max-digits":"1",children:[(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#F47067"},children:"import"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:" http "}),(0,e.jsx)(n.span,{style:{color:"#F47067"},children:"from"}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:' "k6/http"'}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:";"})]}),` `,(0,e.jsx)(n.span,{"data-line":"",children:" "}),` `,(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#F47067"},children:"export"}),(0,e.jsx)(n.span,{style:{color:"#F47067"},children:" default"}),(0,e.jsx)(n.span,{style:{color:"#F47067"},children:" function"}),(0,e.jsx)(n.span,{style:{color:"#F69D50"},children:" () "}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"{"})]}),` `,(0,e.jsxs)(n.span,{"data-line":"","data-highlighted-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#F47067"},children:" const"}),(0,e.jsx)(n.span,{style:{color:"#6CB6FF"},children:" response"}),(0,e.jsx)(n.span,{style:{color:"#F47067"},children:" ="}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:" http."}),(0,e.jsx)(n.span,{style:{color:"#DCBDFB"},children:"get"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"("}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:'"https://httpbin.org/get"'}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:");"})]}),` `,(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:" console."}),(0,e.jsx)(n.span,{style:{color:"#DCBDFB"},children:"log"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"("}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:"`Response status: ${"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"response"}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:"."}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"status"}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:"}`"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:");"})]}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"}"})})]})})]}),` `,(0,e.jsxs)(n.p,{children:["You can save this script in a file with a ",(0,e.jsx)(n.code,{children:".js"})," extension, such as ",(0,e.jsx)(n.code,{children:"test.js"}),", and execute it using the K6 CLI:"]}),` `,(0,e.jsxs)(n.figure,{"data-rehype-pretty-code-figure":"",children:[(0,e.jsx)(n.figcaption,{"data-rehype-pretty-code-title":"","data-language":"bash","data-theme":"github-dark-dimmed",raw:`k6 run test.js `,children:"bash"}),(0,e.jsx)(n.pre,{style:{backgroundColor:"#22272e",color:"#adbac7"},tabIndex:"0","data-language":"bash","data-theme":"github-dark-dimmed",children:(0,e.jsx)(n.code,{"data-language":"bash","data-theme":"github-dark-dimmed",style:{display:"grid"},children:(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#F69D50"},children:"k6"}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:" run"}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:" test.js"})]})})})]}),` `,(0,e.jsx)(n.p,{children:"The output should look something like this:"}),` `,(0,e.jsxs)(n.figure,{"data-rehype-pretty-code-figure":"",children:[(0,e.jsx)(n.figcaption,{"data-rehype-pretty-code-title":"","data-language":"text","data-theme":"github-dark-dimmed",raw:` /\\ |\u203E\u203E| /\u203E\u203E/ /\u203E\u203E/ /\\ / \\ | |/ / / / / \\/ \\ | ( / \u203E\u203E\\ / \\ | |\\ \\ | (\u203E) | / __________ \\ |__| \\__\\ \\_____/ .io execution: local script: test.js output: - scenarios: (100.00%) 1 scenario, 1 max VUs, 10m30s max duration (incl. graceful stop): * default: 1 iterations for each of 1 VUs (maxDuration: 10m0s, gracefulStop: 30s) INFO[0000] Response status: 200 source=console data_received..................: 6.0 kB 11 kB/s data_sent......................: 615 B 1.1 kB/s http_req_blocked...............: avg=363ms min=363ms med=363ms max=363ms p(90)=363ms p(95)=363ms http_req_connecting............: avg=102.07ms min=102.07ms med=102.07ms max=102.07ms p(90)=102.07ms p(95)=102.07ms http_req_duration..............: avg=175.25ms min=175.25ms med=175.25ms max=175.25ms p(90)=175.25ms p(95)=175.25ms { expected_response:true }...: avg=175.25ms min=175.25ms med=175.25ms max=175.25ms p(90)=175.25ms p(95)=175.25ms http_req_failed................: 0.00% \u2713 0 \u2717 1 http_req_receiving.............: avg=133\xB5s min=133\xB5s med=133\xB5s max=133\xB5s p(90)=133\xB5s p(95)=133\xB5s http_req_sending...............: avg=1.29ms min=1.29ms med=1.29ms max=1.29ms p(90)=1.29ms p(95)=1.29ms http_req_tls_handshaking.......: avg=219.35ms min=219.35ms med=219.35ms max=219.35ms p(90)=219.35ms p(95)=219.35ms http_req_waiting...............: avg=173.82ms min=173.82ms med=173.82ms max=173.82ms p(90)=173.82ms p(95)=173.82ms http_reqs......................: 1 1.855914/s iteration_duration.............: avg=538.25ms min=538.25ms med=538.25ms max=538.25ms p(90)=538.25ms p(95)=538.25ms iterations.....................: 1 1.855914/s running (00m00.5s), 0/1 VUs, 1 complete and 0 interrupted iterations default \u2713 [======================================] 1 VUs 00m00.5s/10m0s 1/1 iters, 1 per VU `,children:"output"}),(0,e.jsx)(n.pre,{style:{backgroundColor:"#22272e",color:"#adbac7"},tabIndex:"0","data-language":"text","data-theme":"github-dark-dimmed",children:(0,e.jsxs)(n.code,{"data-language":"text","data-theme":"github-dark-dimmed",style:{display:"grid"},children:[(0,e.jsx)(n.span,{"data-line":"",children:" "}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" /\\ |\u203E\u203E| /\u203E\u203E/ /\u203E\u203E/"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" /\\ / \\ | |/ / / /"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" / \\/ \\ | ( / \u203E\u203E\\"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" / \\ | |\\ \\ | (\u203E) |"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" / __________ \\ |__| \\__\\ \\_____/ .io"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:" "}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" execution: local"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" script: test.js"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" output: -"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:" "}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" scenarios: (100.00%) 1 scenario, 1 max VUs, 10m30s max duration (incl. graceful stop):"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" * default: 1 iterations for each of 1 VUs (maxDuration: 10m0s, gracefulStop: 30s)"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:" "}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:"INFO[0000] Response status: 200 source=console"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:" "}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" data_received..................: 6.0 kB 11 kB/s"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" data_sent......................: 615 B 1.1 kB/s"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" http_req_blocked...............: avg=363ms min=363ms med=363ms max=363ms p(90)=363ms p(95)=363ms"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" http_req_connecting............: avg=102.07ms min=102.07ms med=102.07ms max=102.07ms p(90)=102.07ms p(95)=102.07ms"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" http_req_duration..............: avg=175.25ms min=175.25ms med=175.25ms max=175.25ms p(90)=175.25ms p(95)=175.25ms"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" { expected_response:true }...: avg=175.25ms min=175.25ms med=175.25ms max=175.25ms p(90)=175.25ms p(95)=175.25ms"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" http_req_failed................: 0.00% \u2713 0 \u2717 1"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" http_req_receiving.............: avg=133\xB5s min=133\xB5s med=133\xB5s max=133\xB5s p(90)=133\xB5s p(95)=133\xB5s"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" http_req_sending...............: avg=1.29ms min=1.29ms med=1.29ms max=1.29ms p(90)=1.29ms p(95)=1.29ms"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" http_req_tls_handshaking.......: avg=219.35ms min=219.35ms med=219.35ms max=219.35ms p(90)=219.35ms p(95)=219.35ms"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" http_req_waiting...............: avg=173.82ms min=173.82ms med=173.82ms max=173.82ms p(90)=173.82ms p(95)=173.82ms"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" http_reqs......................: 1 1.855914/s"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" iteration_duration.............: avg=538.25ms min=538.25ms med=538.25ms max=538.25ms p(90)=538.25ms p(95)=538.25ms"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:" iterations.....................: 1 1.855914/s"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:" "}),` `,(0,e.jsx)(n.span,{"data-line":"",children:" "}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:"running (00m00.5s), 0/1 VUs, 1 complete and 0 interrupted iterations"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{children:"default \u2713 [======================================] 1 VUs 00m00.5s/10m0s 1/1 iters, 1 per VU"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:" "})]})})]}),` `,(0,e.jsx)(n.h2,{children:(0,e.jsxs)("div",{className:"linkHover",id:"example-of-a-performance-api-testing-scenario",children:[(0,e.jsx)(n.a,{href:"#example-of-a-performance-api-testing-scenario",children:"Example of a Performance API Testing Scenario"}),(0,e.jsxs)("svg",{xmlns:"http://www.w3.org/2000/svg",width:"16",height:"16",fill:"currentColor",className:"bi bi-link-45deg",viewBox:"0 0 16 16",children:[" ",(0,e.jsx)("path",{d:"M4.715 6.542 3.343 7.914a3 3 0 1 0 4.243 4.243l1.828-1.829A3 3 0 0 0 8.586 5.5L8 6.086a1.002 1.002 0 0 0-.154.199 2 2 0 0 1 .861 3.337L6.88 11.45a2 2 0 1 1-2.83-2.83l.793-.792a4.018 4.018 0 0 1-.128-1.287z"})," ",(0,e.jsx)("path",{d:"M6.586 4.672A3 3 0 0 0 7.414 9.5l.775-.776a2 2 0 0 1-.896-3.346L9.12 3.55a2 2 0 1 1 2.83 2.83l-.793.792c.112.42.155.855.128 1.287l1.372-1.372a3 3 0 1 0-4.243-4.243L6.586 4.672z"})]})]})}),` `,(0,e.jsx)(n.p,{children:"Here's a straightforward example of a load test scenario targeting a single endpoint:"}),` 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`,(0,e.jsx)(n.span,{"data-line":"","data-highlighted-line":"",children:(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:" };"})}),` `,(0,e.jsx)(n.span,{"data-line":"","data-highlighted-line":"",children:(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"}"})})]})})]}),` `,(0,e.jsxs)(n.p,{children:["Before running the script above, we need to ensure that the ",(0,e.jsx)(n.code,{children:"test-results"})," folder exists; otherwise, the script will fail to save the test report. So, create a folder if you haven't already done so:"]}),` `,(0,e.jsxs)(n.figure,{"data-rehype-pretty-code-figure":"",children:[(0,e.jsx)(n.figcaption,{"data-rehype-pretty-code-title":"","data-language":"bash","data-theme":"github-dark-dimmed",raw:`mkdir test-results `,children:"bash"}),(0,e.jsx)(n.pre,{style:{backgroundColor:"#22272e",color:"#adbac7"},tabIndex:"0","data-language":"bash","data-theme":"github-dark-dimmed",children:(0,e.jsx)(n.code,{"data-language":"bash","data-theme":"github-dark-dimmed",style:{display:"grid"},children:(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#F69D50"},children:"mkdir"}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:" test-results"})]})})})]}),` `,(0,e.jsxs)(n.p,{children:["Once the script is finished, it will print the result in terminal as it was until now, since we were pushing the result in ",(0,e.jsx)(n.code,{children:"stdout"}),` (standard output) with `,(0,e.jsx)(n.code,{children:"textSummary"}),"."]}),` `,(0,e.jsx)(n.p,{children:"This is how the report file should look like:"}),` `,(0,e.jsxs)(n.figure,{"data-rehype-pretty-code-figure":"",children:[(0,e.jsx)(n.figcaption,{"data-rehype-pretty-code-title":"","data-language":"xml","data-theme":"github-dark-dimmed",raw:` `,children:"test-results/results.xml"}),(0,e.jsx)(n.pre,{style:{backgroundColor:"#22272e",color:"#adbac7"},tabIndex:"0","data-language":"xml","data-theme":"github-dark-dimmed",children:(0,e.jsxs)(n.code,{"data-line-numbers":"","data-language":"xml","data-theme":"github-dark-dimmed",style:{display:"grid"},"data-line-numbers-max-digits":"1",children:[(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:""})]}),` `,(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"<"}),(0,e.jsx)(n.span,{style:{color:"#8DDB8C"},children:"testsuites"}),(0,e.jsx)(n.span,{style:{color:"#6CB6FF"},children:" tests"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"="}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:'"2"'}),(0,e.jsx)(n.span,{style:{color:"#6CB6FF"},children:" failures"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"="}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:'"1"'}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:">"})]}),` `,(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:" <"}),(0,e.jsx)(n.span,{style:{color:"#8DDB8C"},children:"testsuite"}),(0,e.jsx)(n.span,{style:{color:"#6CB6FF"},children:" name"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"="}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:'"k6 thresholds"'}),(0,e.jsx)(n.span,{style:{color:"#6CB6FF"},children:" tests"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"="}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:'"2"'}),(0,e.jsx)(n.span,{style:{color:"#6CB6FF"},children:" failures"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"="}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:'"1"'}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:">"})]}),` `,(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:" <"}),(0,e.jsx)(n.span,{style:{color:"#8DDB8C"},children:"testcase"}),(0,e.jsx)(n.span,{style:{color:"#6CB6FF"},children:" name"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"="}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:'"http_req_duration - 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`,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:" };"})}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"}"})})]})})]}),` `,(0,e.jsxs)(n.p,{children:["where ",(0,e.jsx)(n.code,{children:"authenticate()"})," will be your logic on how to fetch the access token. For demonstration purposes, it will return the hardcoded object, although the endpoint we are targeting doesn't require authorization."]}),` `,(0,e.jsxs)(n.figure,{"data-rehype-pretty-code-figure":"",children:[(0,e.jsx)(n.figcaption,{"data-rehype-pretty-code-title":"","data-language":"javascript","data-theme":"github-dark-dimmed",raw:`export function authenticate() { // Logic to authenticate and return the auth response return { token: "my-token" }; } `,children:"auth/authenticate.js"}),(0,e.jsx)(n.pre,{style:{backgroundColor:"#22272e",color:"#adbac7"},tabIndex:"0","data-language":"javascript","data-theme":"github-dark-dimmed",children:(0,e.jsxs)(n.code,{"data-line-numbers":"","data-language":"javascript","data-theme":"github-dark-dimmed",style:{display:"grid"},"data-line-numbers-max-digits":"1",children:[(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#F47067"},children:"export"}),(0,e.jsx)(n.span,{style:{color:"#F47067"},children:" function"}),(0,e.jsx)(n.span,{style:{color:"#DCBDFB"},children:" authenticate"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"() {"})]}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{style:{color:"#768390"},children:" // Logic to authenticate and return the auth response"})}),` `,(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#F47067"},children:" return"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:" { token: "}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:'"my-token"'}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:" };"})]}),` `,(0,e.jsx)(n.span,{"data-line":"",children:(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:"}"})})]})})]}),` `,(0,e.jsxs)(n.p,{children:["Note that we need to provide ",(0,e.jsx)(n.code,{children:"data"})," as an input in the default function, which will be provided by the setup function."]}),` `,(0,e.jsxs)(n.p,{children:["Additionally, ",(0,e.jsx)(n.code,{children:"params"})," consists of ",(0,e.jsx)(n.code,{children:"headers"})," object, in which we dynamically populate the access token on each test execution."]}),` `,(0,e.jsx)(n.h2,{children:(0,e.jsxs)("div",{className:"linkHover",id:"running-k6-in-ci/cd",children:[(0,e.jsx)(n.a,{href:"#running-k6-in-ci/cd",children:"Running K6 in CI/CD"}),(0,e.jsxs)("svg",{xmlns:"http://www.w3.org/2000/svg",width:"16",height:"16",fill:"currentColor",className:"bi bi-link-45deg",viewBox:"0 0 16 16",children:[" ",(0,e.jsx)("path",{d:"M4.715 6.542 3.343 7.914a3 3 0 1 0 4.243 4.243l1.828-1.829A3 3 0 0 0 8.586 5.5L8 6.086a1.002 1.002 0 0 0-.154.199 2 2 0 0 1 .861 3.337L6.88 11.45a2 2 0 1 1-2.83-2.83l.793-.792a4.018 4.018 0 0 1-.128-1.287z"})," ",(0,e.jsx)("path",{d:"M6.586 4.672A3 3 0 0 0 7.414 9.5l.775-.776a2 2 0 0 1-.896-3.346L9.12 3.55a2 2 0 1 1 2.83 2.83l-.793.792c.112.42.155.855.128 1.287l1.372-1.372a3 3 0 1 0-4.243-4.243L6.586 4.672z"})]})]})}),` `,(0,e.jsxs)(n.p,{children:["In case you want to avoid installing K6 every time in the runner, you can use the open-source Docker image. We can create a ",(0,e.jsx)(n.code,{children:"docker-compose.yml"})," file with all required configuration."]}),` `,(0,e.jsxs)(n.p,{children:["Here is the ",(0,e.jsx)("a",{href:"https://github.com/grafana/k6/blob/master/docker-compose.yml",target:"_blank",children:"Official docker-compose configuration."})]}),` `,(0,e.jsxs)(n.figure,{"data-rehype-pretty-code-figure":"",children:[(0,e.jsx)(n.figcaption,{"data-rehype-pretty-code-title":"","data-language":"yml","data-theme":"github-dark-dimmed",raw:`version: "3.4" networks: k6: services: influxdb: image: influxdb:1.8 networks: - k6 ports: - "8086:8086" environment: - INFLUXDB_DB=k6 k6: image: grafana/k6:latest user: root networks: - k6 ports: - "6565:6565" environment: - K6_OUT=influxdb=http://influxdb:8086/k6 - BASE_URL=\${BASE_URL} working_dir: /app volumes: - ./:/app command: > run test.js `,children:"docker-compose.yml"}),(0,e.jsx)(n.pre,{style:{backgroundColor:"#22272e",color:"#adbac7"},tabIndex:"0","data-language":"yml","data-theme":"github-dark-dimmed",children:(0,e.jsxs)(n.code,{"data-line-numbers":"","data-language":"yml","data-theme":"github-dark-dimmed",style:{display:"grid"},"data-line-numbers-max-digits":"2",children:[(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#8DDB8C"},children:"version"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:": "}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:'"3.4"'})]}),` `,(0,e.jsx)(n.span,{"data-line":"",children:" "}),` `,(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#8DDB8C"},children:"networks"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:":"})]}),` `,(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#8DDB8C"},children:" k6"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:":"})]}),` `,(0,e.jsx)(n.span,{"data-line":"",children:" "}),` `,(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#8DDB8C"},children:"services"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:":"})]}),` `,(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#8DDB8C"},children:" influxdb"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:":"})]}),` `,(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#8DDB8C"},children:" image"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:": "}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:"influxdb:1.8"})]}),` `,(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#8DDB8C"},children:" networks"}),(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:":"})]}),` `,(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#ADBAC7"},children:" - 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The highlighted lines are, in fact, customized to run our script. Now, you can run it with:"}),` `,(0,e.jsxs)(n.figure,{"data-rehype-pretty-code-figure":"",children:[(0,e.jsx)(n.figcaption,{"data-rehype-pretty-code-title":"","data-language":"bash","data-theme":"github-dark-dimmed",raw:`docker-compose -f docker-compose.yml up --build --abort-on-container-exit --exit-code-from k6 `,children:"bash"}),(0,e.jsx)(n.pre,{style:{backgroundColor:"#22272e",color:"#adbac7"},tabIndex:"0","data-language":"bash","data-theme":"github-dark-dimmed",children:(0,e.jsx)(n.code,{"data-language":"bash","data-theme":"github-dark-dimmed",style:{display:"grid"},children:(0,e.jsxs)(n.span,{"data-line":"",children:[(0,e.jsx)(n.span,{style:{color:"#F69D50"},children:"docker-compose"}),(0,e.jsx)(n.span,{style:{color:"#6CB6FF"},children:" -f"}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:" docker-compose.yml"}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:" up"}),(0,e.jsx)(n.span,{style:{color:"#6CB6FF"},children:" --build"}),(0,e.jsx)(n.span,{style:{color:"#6CB6FF"},children:" --abort-on-container-exit"}),(0,e.jsx)(n.span,{style:{color:"#6CB6FF"},children:" --exit-code-from"}),(0,e.jsx)(n.span,{style:{color:"#96D0FF"},children:" k6"})]})})})]}),` `,(0,e.jsxs)(n.p,{children:["In case you don't have Docker installed, you can follow the instructions ",(0,e.jsx)("a",{href:"https://docs.docker.com/engine/install/",target:"_blank",children:"here"}),"."]}),` `,(0,e.jsx)(n.h2,{children:(0,e.jsxs)("div",{className:"linkHover",id:"conclusion",children:[(0,e.jsx)(n.a,{href:"#conclusion",children:"Conclusion"}),(0,e.jsxs)("svg",{xmlns:"http://www.w3.org/2000/svg",width:"16",height:"16",fill:"currentColor",className:"bi bi-link-45deg",viewBox:"0 0 16 16",children:[" ",(0,e.jsx)("path",{d:"M4.715 6.542 3.343 7.914a3 3 0 1 0 4.243 4.243l1.828-1.829A3 3 0 0 0 8.586 5.5L8 6.086a1.002 1.002 0 0 0-.154.199 2 2 0 0 1 .861 3.337L6.88 11.45a2 2 0 1 1-2.83-2.83l.793-.792a4.018 4.018 0 0 1-.128-1.287z"})," ",(0,e.jsx)("path",{d:"M6.586 4.672A3 3 0 0 0 7.414 9.5l.775-.776a2 2 0 0 1-.896-3.346L9.12 3.55a2 2 0 1 1 2.83 2.83l-.793.792c.112.42.155.855.128 1.287l1.372-1.372a3 3 0 1 0-4.243-4.243L6.586 4.672z"})]})]})}),` `,(0,e.jsx)(n.p,{children:"Performance API testing is a critical part of ensuring the reliability and scalability of web applications. With K6, you can easily create and execute performance tests for your API endpoints, allowing you to identify performance issues and optimize your applications for better performance. By following the examples and best practices outlined in this article, you can integrate performance API testing into your test automation frameworks and deliver high-quality, performant software to your users."})]})}function C(l={}){let{wrapper:n}=l.components||{};return n?(0,e.jsx)(n,Object.assign({},l,{children:(0,e.jsx)(d,l)})):d(l)}var f=C;return B(b);})(); ;return Component;

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