{
  "id": 14480869,
  "title": "\"We had good coverage\" is the weakest answer in the round",
  "url": "https://urgent.news/2026/10/14/we-had-good-coverage-is-the-weakest-answer-in-the-round",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-10-14T15:57:50.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/sarah23/we-had-good-coverage-is-the-weakest-answer-in-the-round-18g0"
  },
  "original_language": "en",
  "account": "Coverage percentages do not reveal whether a test suite accurately verifies functionality. An answer consisting solely of a number, absent any context, fails to demonstrate essential testing principles. Tests should be strategically placed at the fast end, prioritizing the examination of failure paths over mere happy scenarios. It's crucial to discern which parts of a system warrant testing and which should be deliberately avoided. Rather than focusing on a generic coverage metric, interviewees should articulate their risk assessment, selection of testing levels (unit, integration, or end-to-end), and their approach to testing failure conditions. Emphasizing the need to eliminate superfluous tests, fix unreliable ones, and address real issues like timeouts, bad input, and retries is far more valuable than merely quoting a coverage percentage. Testers should prioritize verifying critical business rules, edge cases, data transformations, and error handling paths, while sidestepping trivial elements like framework behavior or private methods. Addressing flaky tests directly - by quarantining them and resolving the underlying causes - is essential to maintaining a trustworthy testing process. The most compelling testing answers showcase a candidate's judgment, risk awareness, and practical experience rather than merely regurgitating a numerical metric.",
  "summary": "what deserves a test, what does not, and how you know the suite is telling you the truth. Coverage percentages answer none of that. Written after an answer that was a number and nothing else. Updated October 2026. 7 min read Where the tests should live end to end, few integration unit, many and fast WHAT THEY ASK what would you test here? what would you not test? how do you test the failure? what…",
  "key_points": [
    "Coverage percentages alone don't guarantee accurate functionality verification",
    "Tests should focus on failure paths, not just happy scenarios",
    "Emphasize risk assessment, testing levels, and handling real issues"
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}