Automated Testing in C# and .NET scenarios knowledge base

Libraries and Tools:

• XUnit: https://xunit.net/

• NUnit: https://nunit.org/

• Moq: https://github.com/Moq/moq4/wiki/Quickstart

• FakeItEasy https://fakeiteasy.github.io/

• JustMockLite https://github.com/telerik/JustMockLite

• NSubstitute https://nsubstitute.github.io/

• FluentAssertions: https://fluentassertions.com/introduction

• Shouldy https://docs.shouldly.io/documentation/getting-started

• AutoFixture: https://github.com/AutoFixture/AutoFixture/wiki/Cheat-Sheet

• MyTested.AspNetCore.Mvc https://github.com/ivaylokenov/MyTested.AspNetCore.Mvc

• SpecFlow (BDD) https://specflow.org/

Additional:

• Bogus: https://github.com/bchavez/Bogus
• AngleSharp: https://anglesharp.github.io/docs/core/03-Examples
• Respawn https://github.com/jbogard/Respawn
• RestSharp https://restsharp.dev/intro.html

E2E:

• Selenium: https://www.toolsqa.com/selenium-c-sharp/
• Playwright: https://playwright.dev/dotnet/docs/intro
• Cypress: https://www.cypress.io/

API Tests:

• https://dev.to/m4rri4nne/nunit-and-c-tutorial-to-automate-your-api-tests-from-scratch-24nf
• https://timdeschryver.dev/blog/how-to-test-your-csharp-web-api#one-off-test-setups
• Tools:
  • WireMock (Java) https://wiremock.org/
  • WireMock.NET https://github.com/WireMock-Net/WireMock.Net
    • What is WireMock?

DB Tests:

• EF Migrations https://learn.microsoft.com/en-us/ef/core/managing-schemas/migrations/?tabs=dotnet-core-cli
• DbUp https://dbup.readthedocs.io/en/latest/
• Respawn https://github.com/jbogard/Respawn

Infrastructure:

• Docker https://docs.docker.com/
• TestContainers https://testcontainers.com/
  • ASP.NET Core example

Visual Studio Testing features:

• Testing tools in Visual Studio
• Test Explorer
• Test/Live Unit Testing
• Test/Analyze Code Coverage
• GitHub Copilot - Generate Tests
  • more features

Visual Studio Add-ons

• xUnit Code Snippets
• xUnit Test Generator
• NCrunch (https://www.ncrunch.net/) - $$$

Google Chrome Add-ons

• Selenium IDE
• k6 Browser Recorder

eBooks:

• Unit testing in C#

Best practices:

• https://docs.microsoft.com/en-us/dotnet/core/testing/unit-testing-best-practices
• https://stackify.com/unit-testing-basics-best-practices/
• https://dzone.com/articles/unit-testing-best-practices-how-to-get-the-most-ou

Stack Overflow:

• https://stackoverflow.com/questions/1383/what-is-unit-testing
• https://stackoverflow.com/questions/652292/what-is-unit-testing-and-how-do-you-do-it?noredirect=1&lq=1
• https://stackoverflow.com/questions/10752/what-is-the-difference-between-integration-and-unit-tests?rq=1
• https://stackoverflow.com/questions/520064/what-are-unit-tests-integration-tests-smoke-tests-and-regression-tests

Knowledge base, TDD, BDD, ATDD

• https://www.wikiwand.com/en/Test-driven_development
• https://www.wikiwand.com/en/Behavior-driven_development
• https://cucumber.io/docs/bdd/
• https://www.wikiwand.com/en/Acceptance_test%E2%80%93driven_development

Martin Fowler

• https://martinfowler.com/articles/practical-test-pyramid.html
• https://martinfowler.com/articles/mocksArentStubs.html
• https://stackoverflow.com/questions/3459287/whats-the-difference-between-a-mock-stub

Docs:

• http://xunitpatterns.com/index.html
• https://xunit.net/docs/shared-context
• http://dontcodetired.com/blog/post/xUnitnet-2-Cheat-Sheet
• Parallelism: https://xunit.net/docs/running-tests-in-parallel
• Filtering: https://docs.microsoft.com/en-us/dotnet/core/testing/selective-unit-tests?pivots=mstest
• https://www.manning.com/books/unit-testing

XUnit vs NUnit vs MSUnitt

• https://xunit.net/docs/comparisons

Unit Tests

https://docs.microsoft.com/en-us/aspnet/core/mvc/controllers/testing?view=aspnetcore-6.0

Naming Conventions:

• https://stackoverflow.com/questions/155436/unit-test-naming-best-practices
• https://stackoverflow.com/questions/96297/what-are-some-popular-naming-conventions-for-unit-tests
• https://osherove.com/blog/2005/4/3/naming-standards-for-unit-tests.html

[UnitOfWork_StateUnderTest_ExpectedBehavior]
[MethodName_StateUnderTest_ExpectedBehavior]

Sum_NegativeNumberAs1stParam_ExceptionThrown() 
Sum_NegativeNumberAs2ndParam_ExceptionThrown() 
Sum_simpleValues_Calculated()
ParseLogLine_StartsAndEndsWithSpace_ReturnsTrimmedResult()
GetDiscountedPrice_NotTuesday_ReturnsFullPrice()

Code Coverage

• https://docs.microsoft.com/en-us/dotnet/core/testing/unit-testing-code-coverage?tabs=windows

Live Unit Tests

• https://docs.microsoft.com/en-us/visualstudio/test/live-unit-testing-start?view=vs-2022

Integration tests:

• https://docs.microsoft.com/en-us/aspnet/core/test/integration-tests?view=aspnetcore-6.0
• https://github.com/dotnet/AspNetCore.Docs/tree/main/aspnetcore/test/integration-tests/samples
• https://dotnetthoughts.net/dotnet-minimal-api-integration-testing/
• https://docs.microsoft.com/en-us/aspnet/core/migration/50-to-60-samples?view=aspnetcore-6.0
• https://github.com/dotnet/AspNetCore.Docs/blob/main/aspnetcore/test/integration-tests/samples/3.x/IntegrationTestsSample/tests/RazorPagesProject.Tests/IntegrationTests/BasicTests.cs
• https://github.com/dotnet/AspNetCore.Docs/blob/main/aspnetcore/test/integration-tests/samples/3.x/IntegrationTestsSample/tests/RazorPagesProject.Tests/IntegrationTests/IndexPageTests.cs

Respawn, Database tests

https://github.com/jbogard/Respawn/blob/master/Respawn.DatabaseTests/SqlServerTests.cs

E2E Tests

• WebDriver
  • https://www.w3.org/TR/webdriver2/
• Selenium
  • https://www.toolsqa.com/selenium-c-sharp/
• Playwright
  • https://playwright.dev/dotnet/docs/intro
  • https://playwright.dev/dotnet/docs/trace-viewer
• Cypress
  • https://www.cypress.io/
  • https://docs.cypress.io/guides/overview/why-cypress

Load & Stress Testing

• https://docs.microsoft.com/en-us/aspnet/core/test/load-tests?view=aspnetcore-6.0
• https://docs.microsoft.com/en-us/azure/load-testing/overview-what-is-azure-load-testing
• https://docs.microsoft.com/en-us/azure/architecture/example-scenario/banking/banking-system-cloud-transformation
• https://docs.microsoft.com/en-us/azure/architecture/example-scenario/banking/jmeter-load-testing-pipeline-implementation-reference

Perfromance Tests recommendations

• https://learn.microsoft.com/en-us/azure/well-architected/performance-efficiency/performance-test

Tools:

• JMeter
  • https://jmeter.apache.org/
• Azure Load Studio
  • https://azure.microsoft.com/en-us/products/load-testing
• k6
  • https://k6.io/docs/
  • https://k6.io/docs/examples/
  • https://k6.io/docs/examples/functional-testing/
  • https://github.com/grafana/k6/releases
• Locust
  • https://github.com/locustio/locust

Exploratory Testing

• https://www.wikiwand.com/en/Exploratory_testing Tools:
• Exploratory Testing Chrome Extension
• Microsoft Test & Feedback

Behavior Driven Devleopment

• https://www.wikiwand.com/en/Behavior-driven_development
• https://specflow.org/
• https://docs.specflow.org/projects/getting-started/en/latest/index.html

Samples of Unit Tests

• https://github.com/dotnet/aspnetcore/tree/main/src/Identity/test
• https://github.com/dotnet/aspnetcore/blob/main/src/HealthChecks/HealthChecks/test/DefaultHealthCheckServiceTest.cs
• https://github.com/moq/moq4/tree/main/tests/Moq.Tests
• https://github.com/ivaylokenov/MyTested.AspNetCore.Mvc/tree/version-3.1/samples
• https://github.com/dotnet-architecture/eShopOnWeb
• https://github.com/vkhorikov/UnitTestingPPP
• https://github.com/jbogard/MediatR/tree/master/test

Security Testing

• OWASP Web Security Testing Guide
• Threat Modelling
• Threat Modeling Tool
• Awesome Fuzz Testing
• Awesome Fuzz Testing
• Payload samples
• Dynamic Application Security Testing (DAST) Software
• DevSecOps Tools
• Secure DevOps
• DevSecOps controls
• GitHub Advanced Security
• Static Application Security Testing (SAST) Software
• Ethical Hacking:
  • Kali Linux Tools
• Online Tool Sample: https://pentest-tools.com/
• DAST Tools:
  • OWASP ZAP
  • Burp Suite
  • Netsparker
  • Acunetix
  • Arachni
  • Wapiti

Test Automation and CI/CD

• dotnet test
• Azure Pipelines and tests
• GitHub Actions for testing
• GitHUb Actions - automating build and tests
• Architectures:
  • DevSecOps on Azure Kubernetes Service (AKS)
  • DevSecOps with a rolling main branching strategy