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KRKashif Rezaarchitecture-in-practice.hashnode.dev2d ago · 5 min read

The Code Coverage Illusion: When Unit Tests Create False Confidence

High code coverage may look impressive, but it does not necessarily mean that an application has been tested well. Over the years, I have repeatedly seen teams invest significant developer time in wr

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JLjabo Landryfreecodecamp.orgAug 28 · 24 min read

How to Automate Your Tests in Express Using Vitest

Thinking through API logic while constantly switching tabs to test application integration can be overwhelming and time-consuming. Well, you can save your time and energy by writing tests for your app

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GNGidudu Nicholasfreecodecamp.orgAug 27 · 28 min read

How to Test Flutter Apps: Unit, Widget, Golden, and Integration Tests Explained

The first time I was asked "what's your test coverage?" in a technical interview, I didn't have a good answer. I had shipped a couple of real Flutter apps by then. They worked and users were using the

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JJohndeveloper-mind.hashnode.devAug 6 · 6 min read

Testing Flutter Applications: A Complete Guide to Test Types, Packages, and Implementation

Testing ensures your Flutter application remains stable, scalable, and bug-free as you add new features. Flutter is designed with testability in mind, offering a robust built-in framework alongside a

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CDCoding Dropletscodingdroplets.comJul 14 · 10 min read

7 Common Mistakes Unit Testing ASP.NET Core Controllers (And How to Fix Them)

Unit testing ASP.NET Core controllers looks trivial until your first test passes for the wrong reason. You assert that an action returned Ok, the bar goes green, and six months later a refactor that q

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THTodd Hendrixxpushpull.hashnode.devJul 11 · 12 min read

Agent Failure Mode: Testing the Function of Existence, Not the Existence of Function

You have been building with an agent for hours. It writes a feature, adds a few tests, runs the suite, and cleans up after itself. The terminal keeps rewarding you: 34/34 passed Later: 156 passed Th

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CDCoding Dropletscodingdroplets.comJun 18 · 10 min read

TimeProvider in ASP.NET Core: Enterprise Decision Guide

Time-dependent code has always been one of the trickiest surfaces to test correctly in .NET applications. Before .NET 8, engineers typically wrote wrapper interfaces around DateTime.UtcNow, maintained

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MLMartin Lichtmartinlicht.hashnode.devJun 11 · 6 min read

Unit testing in C: a tutorial with AcuTest

I would like to give you a short tutorial on unit testing with AcuTest as the driving example. We go from initial examples to a more detailed understanding. AcuTest is one of many light-weight minimal

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CDCoding Dropletscodingdroplets.comMay 18 · 12 min read

ASP.NET Core Testing Interview Questions for Senior .NET Developers (2026)

Testing is one of the clearest signals of seniority in a .NET interview. Junior developers write tests that work. Mid-level developers write tests that are isolated. Senior developers write tests that

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CDCoding Dropletscodingdroplets.comMay 10 · 12 min read

FluentAssertions vs Shouldly vs AwesomeAssertions in .NET: Which Assertion Library Should Your Team Use in 2026?

When FluentAssertions v8 dropped a proprietary commercial license in January 2025, it forced a question that most .NET teams had quietly avoided for years: does our assertion library actually matter,

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#unit-testing

Explore Hashnode

Trending tags this week

The Code Coverage Illusion: When Unit Tests Create False Confidence

How to Automate Your Tests in Express Using Vitest

How to Test Flutter Apps: Unit, Widget, Golden, and Integration Tests Explained

Testing Flutter Applications: A Complete Guide to Test Types, Packages, and Implementation

7 Common Mistakes Unit Testing ASP.NET Core Controllers (And How to Fix Them)

Agent Failure Mode: Testing the Function of Existence, Not the Existence of Function

TimeProvider in ASP.NET Core: Enterprise Decision Guide

Unit testing in C: a tutorial with AcuTest

ASP.NET Core Testing Interview Questions for Senior .NET Developers (2026)

FluentAssertions vs Shouldly vs AwesomeAssertions in .NET: Which Assertion Library Should Your Team Use in 2026?