2012년 4월 23일 월요일

Arquillian: So you can rule your code, Not the bugs


So you can rule your code, Not the bugs.
No more mocks. No more container lifecycle and deployment hassles.
Just real test!

Arquillian 어원



영화 "Men in Black”에 나온 외계인, 사람 형태의 로봇에 타고 있는 작은 외계인 종족이 "Arquillan”

Arquillan의 3가지 원칙
1. Tests should be portable to any supported container
2. Tests should be executable from both the IDE and the build tool
3. The platform should extend or integrate existing test frameworks

Arquillan의 Feature

1. Real Tests
Mocks can be tactical, but more often than not, they are used to make code work outside of a real environment. Arquillian let's you ditch the mocks and write real tests. That's because Arquillian brings your test to the runtime, giving you access to container resources, meaningful feedback and insight about how the code really works.

2. IDE Friendly
The learning curve for getting started with Arquillian is minimized by the fact that it integrates with what you already know. Using JUnit for your unit tests? Then you can reuse your knowledge of JUnit to do integration testing. TestNG? Arquillian let's you choose. And you can even run your Arquillian tests right alongside unit tests in your IDE.

3. Test Enrichment
Your application and tests can share the same programming model, regardless of technology stack. For example, Arquillian can inject the deployed Contexts and Dependency Injection (CDI) beans, Enterprise JavaBeans (EJB) components and other Java EE resources directly to your tests. Arquillian can also extend that programming model to provide access to container APIs and implicit objects from test frameworks such as JSFUnit and Selenium.

4. Classpath Control
Most test suites are a mess, but it's not your fault. Test frameworks carelessly use whatever classes and resources are on the classpath of the test, making isolation of the test scenario difficult and turning the test suite into a Frankenstein. Not Arquillian. Micro-deployments are much smaller than the full application, so the test archive deploys faster, which means you get a faster test-code-test development cycle.

5. Drive the Browser
Arquillian is just as relevant for client testing as it is for server-side testing. Arquillian Drone abstracts away all the tedious setup of the Selenium Server, letting you skip right to driving the browser from your test. Arquillian even unifies client and server-side testing, most apparent in our JSFUnit integration.

6. Debug the Server
Arquillian brings you server-side debugging like never before. Typically, you have to package the application, deploy it to the server, connect the debugger and interact with the UI in order to hit the breakpoint. Now you can just drop a breakpoint in the test or application code and debug the test. Bang, you hit the breakpoint inside the server from the comfort of your IDE. Prepare for an eye opening experience!

7. Container Agnostic
You name the container, Arquillian can manage it. If not, why not write an adapter? Having the choice of multiple containers allows you to switch from an embedded container in development to a standalone server for continuous integration, test on different compliant containers to ensure application portability, or even interact with several containers in the same test to validate distributed behavior.

8. Extensible Platform
There's no limit to what you can test using Arquillian. Many extensions are available. If you're looking for an integration that's not yet implemented, Arquillian provides an extensible platform into which you can integrate that next great testing tool.

9. Strong Tooling
Want to take the quick path to getting started with Arquillian? Tools like JBoss Forge can help. Just install the Arquillian plugin, set it up in your project, and get started writing tests in seconds. You'll be amazed how easy it is to get started with Arquillian and Forge - it's the next enterprise evolution.

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