csharp-mstest

Write MSTest 3.x/4.x unit tests in C# with assertions and data-driven tests.

Updated Mar 9, 2026
One-click install
npx skills add https://github.com/Cripacx/agentic-dotnet --skill csharp-mstest-cripacx
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: csharp-mstest
Source: https://github.com/Cripacx/agentic-dotnet/tree/main/skills/csharp-mstest
Command: npx skills add https://github.com/Cripacx/agentic-dotnet --skill csharp-mstest-cripacx

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps you write effective, modern unit tests using MSTest 3.x/4.x, ensuring your C# code is well-tested and maintainable.

Core Features & Use Cases

  • Best Practices: Follows MSTest conventions for test classes, methods, and lifecycle management.
  • Modern Assertions: Leverages Assert, StringAssert, and CollectionAssert for clear and concise test validation.
  • Data-Driven Tests: Supports DataRow and DynamicData for efficient testing of multiple scenarios.
  • Use Case: You need to write unit tests for a new C# class. Use this Skill to generate a well-structured test class with appropriate assertions and data-driven tests for various input conditions.

Quick Start

Use the csharp-mstest skill to create a new MSTest test class for the Calculator class.

Frequently Asked Questions about csharp-mstest

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

FAQPage Schema
How do I write data-driven unit tests in C# using MSTest?

Write data-driven unit tests in MSTest using the `DataRow` attribute for static inline values and `DynamicData` for complex types. This enables efficient testing of multiple input scenarios within a single test method.

What is the best way to structure a C# MSTest class for maintainable unit testing?

Structure a C# MSTest class by following best practices for test classes, methods, and lifecycle management. Properly utilizing setup and cleanup attributes ensures maintainable and robust test suites.

Can I use modern assertion APIs to validate exceptions in MSTest 3.x and 4.x?

Yes, MSTest 3.x/4.x supports modern assertion APIs including `Assert`, `StringAssert`, and `CollectionAssert`. You can validate exceptions clearly using the appropriate assertion methods for robust test validation.

How does TestContext utilization work in MSTest for C# unit tests?

TestContext utilization in MSTest provides access to test run data and context-specific information during execution. It enables dynamic data handling and contextual logging within your C# unit testing workflow.

When do I need lifecycle management attributes in my MSTest testing framework?

Lifecycle management attributes are needed to initialize resources before tests and clean them up afterward. They ensure isolated, robust test execution by controlling state across test class methods.

Does MSTest 3.x support dynamic data attributes for testing multiple scenarios?

Yes, MSTest 3.x supports the `DynamicData` attribute to efficiently test multiple scenarios. It allows you to pass complex parameter data dynamically into your C# unit testing methods.