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test-anti-patterns

Scan .NET test code for anti-patterns grouped by severity with fixes.

1|Updated May 21, 2026
Search Tags:#testing#code review#anti-patterns#flaky tests#dotnet#assertions#xunit mstest nunit
One-click install
npx skills add https://github.com/1k-off/umbraco-observability-playground --skill test-anti-patterns-1k-off
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-anti-patterns
Source: https://github.com/1k-off/umbraco-observability-playground/tree/main/.agents/skills/test-anti-patterns
Command: npx skills add https://github.com/1k-off/umbraco-observability-playground --skill test-anti-patterns-1k-off

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It helps detect .NET test anti-patterns that make tests unreliable, misleading, or low-diagnostic, so failures are easier to trust and investigate.

Core Features & Use Cases

  • Critical anti-pattern detection: flags tests with no assertions, always-true/self-referential assertions, swallowed exceptions, and coverage inflation patterns that give false confidence.
  • Reliability and maintenance review: identifies flakiness indicators (timing/random/environment coupling), test ordering dependencies, broad exception assertions, and over-mocking/implementation coupling.
  • Actionable, prioritized recommendations: groups findings by severity and explains why each issue is harmful, including concrete fixes for Critical/High problems.

Quick Start

Ask an agent to review your .NET test files for anti-patterns and return a prioritized list of Critical/High issues with specific locations and minimal diffs.

Frequently Asked Questions about test-anti-patterns

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I find flaky tests in my .NET test suite?▼

Flaky test detection scans provided .NET test code for timing dependencies, random data coupling, and test ordering issues, returning a prioritized list of reliability findings with specific locations and concrete fixes.

What are common .NET test anti-patterns that cause false confidence?▼

Common .NET test anti-patterns include tests with no assertions, always-true assertions, swallowed exceptions, and coverage-touching patterns that inflate coverage metrics without verifying actual behavior.

How do I audit xUnit or MSTest tests for meaningless assertions?▼

Auditing xUnit or MSTest tests scans for self-referential assertions and broad exception handling, grouping detected anti-patterns by severity and explaining why each issue undermines diagnostic value.

Can I review NUnit tests for swallowed exceptions and ordering dependencies?▼

Yes, reviewing NUnit tests detects swallowed exceptions and test ordering dependencies, grouping findings by severity and providing concrete fixes for Critical and High issues to restore test reliability.

How do I get actionable fixes for tests that pass without verifying behavior?▼

Scanning test code identifies tests passing without verifying behavior and generates actionable, prioritized recommendations, including minimal diffs and concrete fixes for Critical and High severity anti-patterns.

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