Lambda BehaveA modern testing and behavioural specification framework for Java 8

@richardwarburto

Talk Outline

What do I want in a testing framework?

Live Coding Examples

Comparison with other frameworks

Summary

What do I want in a testing framework?

Write a feature description in business domain terms

Parameterise different configurations

Property Based Testing:

Automatically generate your testcases based upon a property

Live Coding

Conclusions & Summary

Junit doesn’t offer the fluency or features of lambda-behave

Cucumber: Regex some text in order to execute code

Spock & ScalaTest are great but not Java based

Conclusions & Summary

Future Improvements

● Plugin API○ Support for Spring & Vertx

● Improved generators & mocking

● HTML Reports

● Expectation logs

● Heisentest Detector

● Support parallel runners

● Support concurrent tests better

Summary

● Existing testing solutions either unreadable or convoluted

● Lambda Behave offers a fluent and modern testing style

● Rapidly adding features○ Help welcome and wanted!○ Github issues + pull requests○ https://github.com/RichardWarburton/lambda-

behave

Links & Info

Project Website:http://richardwarburton.github.io/lambda-behave/

Maven Central Coordinatescom.insightfullogic:lambda-behave:0.3

Bookhttp://tinyurl.com/java8lambdas

Training Websitehttp://java8training.com/

Bloghttp://insightfullogic.com

Questions?@richardwarburto