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Test Driven Development in JavaScript – writing tests that don’t suck! – David Whitney
- January 22, 2024
- Posted by: MainInstructor
- Category: JavaScript
Video Title: Test Driven Development in JavaScript – writing tests that don’t suck! – David Whitney
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integration test is dead?!
System Integration tests hopefully are not dead at least ☺
Crazy to do a talk about testing and not mentioning dependency injection
Watched first five minutes and already understand that this video deserves a like because of some good content there. And I hit like button almost never. Nice delivery, going to watch other talks of David
This talk along with Ian Cooper's talk are pure gold. The ideas shared have clicked on my mind in a deep way. They concretized some abstract ideas I had started developing after years of writing and MAINLY fixing fragile tests. Sincerely, thank you.
Enjoyed the same talk at KCDC! Great speaker and a true gentleman 🙂
I really appreciate this talk. I feel like this really dives into a lot of the things which have been mentioned in passing over the past couple years
I have difficulty trusting people like this, stodgy, button-down corporate types.
London Style, as documented in “Growing Object Oriented Software, Driven by Tests”, is much more than just mocking.
It assumes an Alan Kay style of OO, where objects send messages to each other and do not expect any data to be returned to the sender. In the book this is called the “Tell, don’t ask” rule. (In a way this is very similar to event-driven microservices and it’s also OOs approach to handle concurrency.)
Otherwise by returning data, the mock will duplicate knowledge which is in the implementation being mocked and the tests become fragile.
London style also says that the first test to write is an Acceptance test, that one should be able to read through the test names like it’s documentation, etc.
You are a very charismatic presenter. A few times, though, you are just directly reciting long sentences of text in your slides, this is considered a presentation no-no.
Thank you
3:00 all engineering principles have testing
There's an entire separate profession that is about how to create tests for a given engineering product.
There are mtbf estimates. Conformance tests. Safety certifications. Reliability testing. Performance testing.
What we do is a faint shadow of what engineers have been doing for centuries.
Amen
Any article "introduction to testing" contain same
Here is your comment about someone from Metallica doing a NDC talk.