Jest Testing Patterns

Liran Tal (09.May.2018 at 14:30, 30 min)
Talk at jsDay 2018 (English - US)

Rating: 4 of 5

Test doubles? Assertions? Code coverage? Jest has it all! There are many testing frameworks and test utilities in the JavaScript ecosystem, but jest is the one which is quickly becoming a favorite for many developers. The talk will introduce jest as a testing framework, the reasons why developers love it, and explore its hidden features, testing patterns, and Jest's extensions ecosystem.

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Rating: 3 of 5

09.May.2018 at 15:45 by Massimo Artizzu (44 comments) via Web2 LIVE

Good argument coverage, but it seemed like the speaker tried to squeeze a 40 minutes talk into 25. Too fast!

Rating: 4 of 5

09.May.2018 at 18:55 by Flavio Maccarrone (18 comments) via Web2 LIVE

Very good subject. Very good speaker. Very good presentation.
The only bad thing? The time...too little, and so, too fast explanation...
Many thanks to Liran!

Rating: 3 of 5

09.May.2018 at 19:52 by Samuele Lilli (82 comments) via Web2 LIVE

Good talk but speaker behaved like he was in a hurry.
It’s a pity ad topic is hot and really interesting

Rating: 4 of 5

10.May.2018 at 09:48 by Leo gullotta (7 comments) via Web2 LIVE

Very interesting and great speaker!

Rating: 4 of 5

10.May.2018 at 11:46 by Keyfer Mathewson (6 comments) via Web2 LIVE

Loved the talk, great resources, and examples. It felt a little rushed but didn't actually feel that fast at all.

Rating: 4 of 5

10.May.2018 at 12:27 by Aurore Malherbes (6 comments) via Web2 LIVE

Great talk with a large overview of jest :)
I do not put a five because I thought I would learn more testing patterns, and not exclusively about jest

Speaker comment:

11.May.2018 at 09:30 by Liran Tal (2 comments) via Web2 LIVE

Node.js and JavaScript adoption is high and application security plays a big part in shipping your products in the midst of cyber security threats. We will deep-dive into practical Node.js security measures which you can easily implement in your current projects. Covering topics such as OWASP Top 10 vulnerabilities, Secure Code Guidelines, Leveraging recommended npm libraries, Hardening ExpressJS, and Secure Dependencies Management with CI/CD integration.

Speaker comment:

11.May.2018 at 09:35 by Liran Tal (2 comments) via Web2 LIVE

^ Apologies on the wrong copy&paste above

Thanks for attending and all the feedback!
Slides are available at and I'd be happy to further discuss Jest and any questions around testing patterns on twitter, my DM are open

Rating: 4 of 5

15.May.2018 at 18:41 by M_a_s_s_i (79 comments) via Web2 LIVE

Good presentation, at times a bit fast but always nice to follow.

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