---
title: "Discussion on \"The Code Coverage Illusion: When Unit Tests Create False Confidence\" | Hashnode"
description: "Discussion on \"The Code Coverage Illusion: When Unit Tests Create False Confidence\". Why high code coverage can create false confidence, when mock-heavy unit tests fail, and where integration testing delivers greater value."
url: "https://hashnode.com/posts/code-coverage-illusion-unit-tests-vs-integration-tests/6aa15a8d2a2ef3d1d8af0d75"
---

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# [The Code Coverage Illusion: When Unit Tests Create False Confidence](https://architecture-in-practice.hashnode.dev/code-coverage-illusion-unit-tests-vs-integration-tests?utm_source=hashnode&utm_medium=feed)

Why high code coverage can create false confidence, when mock-heavy unit tests fail, and where integration testing delivers greater value.

Sep 9 · 5 min read · architecture-in-practice.hashnode.dev  
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## Written by

[Kashif Reza](https://hashnode.com/@kashifrezatech)

@kashifrezatech · India

  
[View profile](https://hashnode.com/@kashifrezatech)

Software Architecture | System Design | Engineering Tradeoffs

Software Architect focused on software development, architecture, engineering processes, and team leadership. I write about practical architecture decisions, system design, distributed systems, database engineering, backend development, and the real tradeoffs teams face while building and maintaining software systems.

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