SlideShare a Scribd company logo

ASP.NET Core Unit Testing

•Download as PPTX, PDF•
•
Shahed Chowdhuri
Shahed Chowdhuri

Blog post: http://WakeUpAndCode.com/asp-net-core-testing Learn all about automated unit testing in ASP.NET Core 1.0 (formerly known as ASP.NET 5) and how you can set up Visual Studio so that you can quickly test your apps in the real world.

Related slideshows

Code review
Code reviewCode review
Code review
 
Introduction to angular with a simple but complete project
Introduction to angular with a simple but complete projectIntroduction to angular with a simple but complete project
Introduction to angular with a simple but complete project
 
Introduction to Spring Boot!
Introduction to Spring Boot!Introduction to Spring Boot!
Introduction to Spring Boot!
 
1 of 43
Build Robust Web Apps in the Real World @shahedC WakeUpAndCode.com * aka ASP.NET 5 before RC1
ASP.NET Core Unit Testing
Background > Getting Started > Writing and Running Tests > Dependency Injection & Mocking What’s Next?
ASP.NET Core Unit Testing
> Nothing new to learn > Error-prone > Expensive > Slower
> Less human error > Faster! > Decreasing costs > Learning curve
Legacy New/ Improved • SRP • OCP • LSP • ISP • DIP
ASP.NET Core Unit Testing
ASP.NET Core Unit Testing
ASP.NET Core Unit Testing
Unit Tests Integration Tests UI Tests
ASP.NET Core Unit Testing
ASP.NET Core Unit Testing
ASP.NET Core Unit Testing
ASP.NET Core Unit Testing
ASP.NET Core Unit Testing
ASP.NET Core Unit Testing
ASP.NET Core Unit Testing
public test class [Fact] for public methods without parameters [Theory] and [InlineData] for methods with parameters
Build Solution Run Tests in Test Explorer
Verify actual result against expected result Note “var” keyword
Verify that expected view equal to returned view
ASP.NET Core Unit Testing
Temporarily ignore tests with an optional message.
Correct Views? Redirect to URL? Correct Models? HTTP Code? Mock Depen- dencies! Model Populated?
ASP.NET Core Unit Testing
Dependency Injection Inversion of Control
In Startup: Add namespace and dependencies In Application Code: • Constructor Injection • Setter Injection
ASP.NET Core Unit Testing
ASP.NET Core Unit Testing
Mocks Pre-programmed with expected results, doesn’t actually connect to DB, behavior verification. Fakes Working examples, but not production-ready (e..g in-memory database) Stubs Provides canned answers http://martinfowler.com/articles/mocksArentStubs.html
ASP.NET Core Unit Testing
ASP.NET Core Unit Testing
ASP.NET Core Unit Testing
Smoke Tests New Features Edge Cases
Cost of Adding Unit Tests Cost of Not Having Unit Tests Bugs Features Expenses
Views & ViewModels Controllers Service Layer Repository Layer Entity Framework (ORM) SQL Server (database)
ASP.NET Core Unit Testing
60 to 80% coverage ok?
• Databases • File Systems • Network Resources • Web Requests & Responses
ASP.NET Core Unit Testing
Background > Getting Started > Writing and Running Tests > Dependency Injection & Mocking What’s Next?
Email: shchowd@microsoft.com  Twitter: @shahedC

More Related Content

ASP.NET Core Unit Testing

Editor's Notes

  1. Title Page: Automated Testing in ASP .NET Core* 1.0 Build Robust Web Apps in the Real World * aka ASP.NET 5 before RC1 By Shahed Chowdhuri Senior Technical Evangelist @ Microsoft Blog: WakeUpAndCode.com Twitter: @shahedC
  2. Agenda
  3. Introduction
  4. Introduction
  5. Introduction
  6. Introduction
  7. Introduction
  8. Agenda
  9. Contact Microsoft email: shchowd@microsoft.com Personal Twitter: @shahedC Dev Blog: WakeUpAndCode.com