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by aeternum 2475 days ago
This is the type of article I'd expect from a junior engineer.

Test coverage matters even if it is not 100%, especially if it covers the most important use-cases. Cost and time always needs to be considered. 100% coverage may not be worth it. Coverage based on LOC is also an arbitrary metric in some sense, the author himself has examples of that. From a business POV, use-case coverage is more important.