Automated unit testing ensures your code works as intended and helps prevent bugs.
🧪 What is a Unit Test?
A unit test checks one small part (unit) of your code (usually a method) independently from the rest.
🏗️ Setting Up (xUnit Example)
- Add the xUnit package:
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dotnet add package xunit dotnet add package Microsoft.NET.Test.Sdk dotnet add package xunit.runner.visualstudio
- Create a test project:
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dotnet new xunit -n MyProject.Tests
✍️ Writing a Test
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public class CalculatorTests
{
[Fact]
public void Add_ReturnsSum()
{
var calc = new Calculator();
var result = calc.Add(2, 3);
Assert.Equal(5, result);
}
}
🚦 Running Tests
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dotnet test
💡 Tips
- Write tests for all important logic.
- Use test runners in Visual Studio, Rider, or VS Code for convenience.
Next: Behavior-Driven Development (BDD)!
