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Load testing

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Web

Customers

GitHub (Static deployment, CI/CD)

Dev (QA)

AWS (Cloud deployment)

Testing

Linting

Coverage

Grafana (Observability, load & synthetic testing)

CDN

Scalable�compute

Scalable�db

Pages

Jest

Playwright

Penetration testing

Christlike

introspection

Curiosity

report

Metrics

Logging

Load testing

Actions

Chaos testing

TDD

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Load testing

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Gaining confidence your app

will stand up under pressure

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Concurrent�customers

Latency

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Concurrent�customers

Latency

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Concurrent�customers

Latency

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Web

AWS

CDN

Scalable�compute

Scalable�db

Load�Simulated customers

Customers

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Type

Purpose

Load

Expected load

Soak

Expected load over an extended time period

Smoke

Low load

Spike

Sudden increase in load

Stress

Higher than expected load

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Load testing is also

end to end testing (e2e)

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K6

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  • Build tests using Chrome
  • Modify JavaScript to refine tests
  • Create load:� #user, #locations, duration

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import { sleep, check, group, fail } from 'k6'

​

res = http.put('https://pizza-service.cs329.click/api/auth', '{"email":"d@jwt.com","password":"a"}', {

headers: {

'content-type': 'application/json',

origin: 'https://pizza.cs329.click',

},

});

​

if (!check(res, { '200': response => res.status.toString() === '200' })) {� console.log(response.body);

fail('Login was *not* 200');

}

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Create a load test

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🍕Deliverable ⓾�Load testing: JWT Pizza Service

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  1. Using a HAR file, build a test that:
    1. Logs in a user
    2. Navigates the menu to create a pizza order
    3. Buys the pizza
    4. Validates that the pizza JWT is valid
  2. Convert to a script
  3. Modify script to check results
  4. Modify script to pass JWT token

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☑Assignment

  1. D10: Load testing
  2. commit to� jwt-pizza� loadTests/loginAndOrder.js
  3. submit image to Canvas

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Get busy!