Cookies Example

1import http from 'k6/http';
2import { check, group } from 'k6';
3
4export default function () {
5  // Since this request redirects the `res.cookies` property won't contain the cookies
6  const res = http.get('http://httpbin.test.k6.io/cookies/set?name1=value1&name2=value2');
7  check(res, {
8    'status is 200': (r) => r.status === 200,
9  });
10
11  // Make sure cookies have been added to VU cookie jar
12  const vuJar = http.cookieJar();
13  const cookiesForURL = vuJar.cookiesForURL(res.url);
14  check(null, {
15    "vu jar has cookie 'name1'": () => cookiesForURL.name1.length > 0,
16    "vu jar has cookie 'name2'": () => cookiesForURL.name2.length > 0,
17  });
18}

1// Example showing two methods how to log all cookies (with attributes) from a HTTP response.
2
3import http from 'k6/http';
4
5function logCookie(cookie) {
6  // Here we log the name and value of the cookie along with additional attributes.
7  // For full list of attributes see: https://k6.io/docs/using-k6/cookies#properties-of-a-response-cookie-object
8  console.log(
9    `${cookie.name}: ${cookie.value}\n\tdomain: ${cookie.domain}\n\tpath: ${cookie.path}\n\texpires: ${cookie.expires}\n\thttpOnly: ${cookie.http_only}`
10  );
11}
12
13export default function () {
14  const res = http.get('https://www.google.com/');
15
16  // Method 1: Use for-loop and check for non-inherited properties
17  for (const name in res.cookies) {
18    if (res.cookies.hasOwnProperty(name) !== undefined) {
19      logCookie(res.cookies[name][0]);
20    }
21  }
22
23  // Method 2: Use ES6 Map to loop over Object entries
24  new Map(Object.entries(res.cookies)).forEach((v, k) => logCookie(v[0]));
25}

1import http from 'k6/http';
2import { check } from 'k6';
3
4export default function () {
5  // Get VU cookie jar and add a cookie to it providing the parameters
6  // that a request must match (domain, path, HTTPS or not etc.)
7  // to have the cookie attached to it when sent to the server.
8  const jar = http.cookieJar();
9  jar.set('https://httpbin.test.k6.io/cookies', 'my_cookie', 'hello world', {
10    domain: 'httpbin.test.k6.io',
11    path: '/cookies',
12    secure: true,
13    max_age: 600,
14  });
15
16  // As the following request is matching the above cookie in terms of domain,
17  // path, HTTPS (secure) and will happen within the specified "age" limit, the
18  // cookie will be attached to this request.
19  const res = http.get('https://httpbin.test.k6.io/cookies');
20  check(res, {
21    'has status 200': (r) => r.status === 200,
22    "has cookie 'my_cookie'": (r) => r.json().cookies.my_cookie !== null,
23    'cookie has correct value': (r) => r.json().cookies.my_cookie == 'hello world',
24  });
25}