Sdtimes iconSdtimesSep 11, 2026

Why 90% Code Coverage Doesn’t Mean Your Tests Are Good

Ask almost any development team how they measure the quality of their test suite, and one answer appears almost immediately: code coverage. It appears in virtually every continuous integration pipeline, is enforced through quality gates, and is often treated as a key indicator of engineering maturity.

Why 90% Code Coverage Doesn’t Mean Your Tests Are Good

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Ask almost any development team how they measure the quality of their test suite, and one answer appears almost immediately: code coverage.

It appears in virtually every continuous integration pipeline, is enforced through quality gates, and is often treated as a key indicator of engineering maturity.

Development teams celebrate reaching 90 or even 100 percent...

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Ask almost any development team how they measure the quality of their test suite, and one answer appears almost immediately: code coverage. It appears in virtually every continuous integration pipeline, is enforced through quality gates, and is often treated as a key indicator of engineering maturity. Development teams celebrate reaching 90 or even 100 percent...

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Development teams celebrate reaching 90 or even 100 percent...

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