Source: https://jsmastery.com/course/the-complete-next-js-testing-courseStop gambling with every deployment.
Here’s a little known fact.
Only 1 in 4 Next.js developers write production-ready tests.
The other 3? They deploy and pray.
So who’s the one? What companies do they work for?
The best devs have already realized they need to test their apps or get left behind.
Here’s the catch.
My team and I and these massive companies don’t just write tests. We write tests that actually catch bugs.
If you try testing Next.js 16 like plain React, you’ll write weak tests that break with every refactor and miss the real bugs.
That’s because you’re taught that…
“Testing is just writing a few unit tests”
Wrong. Testing is an iceberg.
You think you know it because you only see the 15% of it that’s above water.
So you write some tests. Get 80% coverage. Feel safe.
Like the Titanic hitting an iceberg that seemed tiny, what you skip testing sinks you.
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