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snapshot-testing

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Capture and approve UI and API outputs with ease.

#verification#dotnet#diff#verify#xunit#snapshot-testing
AuthorAaronontheweb
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill helps .NET developers validate outputs by capturing snapshots and verifying them against approved baselines, reducing manual review and preventing regressions in UI, API responses, and serialized data.

Core Features & Use Cases

  • Snapshot creation & verification: Generate .received files during tests and compare them to .verified baselines.
  • Framework compatibility: Works with Verify.Xunit, Verify.NUnit, and Verify.MSTest to fit common .NET testing stacks.
  • CI-friendly: Integrates with CI to fail on unapproved changes and stream diffs for quick review.
  • Use Case: Validate that a rendered email template remains visually and structurally consistent across code changes.

Quick Start

  1. Add Verify packages to your test project (e.g., Verify.Xunit, Verify.NUnit, or Verify.MSTest).
  2. Configure a ModuleInitializer to set up project-relative snapshot directories and scrub dynamic values as needed.
  3. Run tests to generate .received files, review diffs, and commit the resulting .verified files to source control.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: snapshot-testing
Download link: https://github.com/Aaronontheweb/dotnet-skills/archive/main.zip#snapshot-testing

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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