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C# Dev Testing

Working with Legacy Code

This project is part of the liveProject series Automated Testing for C# Developers.
prerequisites
intermediate C# • Visual Studio • ASP.NET web development • .NET development
skills learned
refactoring with Visual Studio • making improvements without changing code • intent replacing problematic dependencies with fake objects
Dror Helper
1 week · 8-10 hours per week · BEGINNER
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liveProject This project is part of the liveProject series Automated Testing for C# Developers. liveProjects give you the opportunity to learn new skills by completing real-world challenges in your local development environment. Solve practical problems, write working code, and analyze real data—with liveProject, you learn by doing. These self-paced projects also come with full liveBook access to select books for 90 days plus permanent access to other select Manning products. $19.99 $29.99 you save: $10 (33%) self-paced learning
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In this liveProject, you’ll refactor poorly written legacy code in a way that lets you make changes without fear of bugs. You’ll fix the internal structure of your code, make sure code functions according to your needs with integration tests, and make in-depth changes supported by your testing suite. Finally, you’ll develop new features inside code without major changes, and replace dependencies with mock objects to help test previously unmaintainable code.
This project is designed for learning purposes and is not a complete, production-ready application or solution.

book resources

When you start your liveProject, you get full access to the following books for 90 days.

project author

Dror Helper
Dror Helper is a freelance software developer and architect with twenty years of experience. He has worked for large enterprise companies including Intel and SAP, as well as startups. He has appeared in conferences worldwide since 2012 speaking about unit testing, TDD, and the AWS cloud.

prerequisites

This liveProject is for intermediate C# developers who want to improve their understanding of modern testing practices. No previous testing experience is required. To begin this liveProject, you will need to be familiar with:

TOOLS
  • Intermediate C#
  • Visual Studio: able to create new projects and install plug-ins
  • ASP.NET and web development
  • .NET desktop development
  • .NET Core cross-platform development
  • Basics of MongoDB
  • Basics of Docker: able to run Docker and Docker Compose files from Visual Studio
  • Basic YAML: able to read simple YAML files
  • Basic REST and HTTP for creating web services

you will learn

In this liveProject, you’ll learn how to use well-written tests when refactoring and rewriting legacy code.

  • Refactoring with Visual Studio
  • Making improvements without changing code intent
  • Integration tests to ensure code functions as intended
  • Replacing problematic dependencies with fake objects

features

Self-paced
You choose the schedule and decide how much time to invest as you build your project.
Project roadmap
Each project is divided into several achievable steps.
Get Help
While within the liveProject platform, get help from other participants and our expert mentors.
Compare with others
For each step, compare your deliverable to the solutions by the author and other participants.
book resources
Get full access to select books for 90 days. Permanent access to excerpts from Manning products are also included, as well as references to other resources.
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