re: How do you measure your test coverage? VIEW POST

re: However it seems odd to me that you'd have a test for an immutable model that tests all fields. We ignore files that don't necessarily need to be...

If 100% indicates success, set yourself up for 100% by only measuring the important parts. Once you get near 100% you could expand for other nice to haves.

Yes! Aim for 100% on the important things, but just as important, do not sacrifice simplicity for the 100%. If you have a pretty high coverage already, and the core rules are covered, 80~90+ should be fine.

The two rules I try to follow when programming are:

  • Don't make me think.
  • Don't make me work.

If I have to do any of those two while maintaining the code, then something might be off.

If I have to combine 10 components to complete a behavior it's too much work (it might cover the 100% though). If It takes me more than 2 minutes to understand the design, I'm being set up for failure (I'll probably introduce a bug).

The domain and the amount of time you have to manually test things will determine what number your percentage may be (I work on an open source project and since I didn't design it with tests, and I don't have the time any more to test it manually (testing on games take a lot of time), I release almost zero features per year...)

As Woody Zuill would say "Maximize the good". Figure out what works and then maximize it for the best result. No hard or fast rules here: as long as people care for the code base is what matters most.

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