Front-End Test Fest Keynote: The State of the Union for Front End T...

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7 Major Trends
in Front End Testing
Front End Test Fest 2
Andrew Knight | Applitools

Testing
2

3
Tools and technologies may change,
but fundamentals remain the same.

4
Trend #1:
End-to-end testing
is a three-way battle.

5
Selenium
Popular among testers
C#, Java, JavaScript, Ruby, Python
All major browsers
WebDriver protocol
Low-level browse...

6
Selenium Cypress
Popular among testers Popular among developers
C#, Java, JavaScript, Ruby, Python JavaScript only
All m...

7
Selenium Cypress Playwright
Popular among testers Popular among developers The dark horse
C#, Java, JavaScript, Ruby, Py...

8
Selenium Cypress Playwright
Popular among testers Popular among developers The dark horse
C#, Java, JavaScript, Ruby, Py...

9
Trend #2:
Component testing
is the new integration testing.

10
Storybook

12
When testing anything for the web, we believe that
tests should view and interact with the application in
the same way ...

13
We want the best of both worlds:
The simplicity and sensibility of manual testing.
The speed and scalability of automat...

14
Trend #3:
Visual testing
has become indispensable.

19
DOM & CSS sent to
Applitools
Ultrafast Test Cloud
Applitools Eyes
Visual AI analysis
Login to Eyes to
view test results...

20
Web apps must be
functional and performant.

21
Trend #4:
Performance testing
is easier and more vital than ever.

22
Chrome DevTools Performance Tab
TAU Course:

Google Lighthouse
23

Playwright Performance Test Automation
24
const client = await page.context().newCDPSession(page);
await client.send('Perf...

What about testing machine learning models?
25
Amazon’s
Recommendation
System

26
Trend #5:
Machine learning algorithms
need separate approaches.

27
TAU Course for Testing Machine Learning Models
https://testautomationu.applitools.com/testing-machine-learning-models/

28
Trend #6:
JavaScript isn’t everything.

29
Alternatives to Front End JavaScript
1. Non-JavaScript frameworks
a. Django (Python), Rails (Ruby), Laravel (PHP)
b. HT...

30
Alternatives to Front End JavaScript
1. Non-JavaScript frameworks
a. Django (Python), Rails (Ruby), Laravel (PHP)
b. HT...

31
Alternatives to Front End JavaScript
1. Non-JavaScript frameworks
a. Django (Python), Rails (Ruby), Laravel (PHP)
b. HT...

32
Trend #7:
Autonomous testing is coming.

7 Major Trends in Front End Testing
34
1. End-to-end testing is a three-way battle
2. Component testing is the new integra...

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