Lena Petsenchuk23.04.2013

Continuous Integration

Agenda

Overview of

CI

Principles of

CI

Advantages

&

Disadvantages

of CI

Continuous Integration???

CI Proccess

Integrated machine

notifynotify

check outcheck out

check outcheck out monitor

monitor

check incheck in

check incheck in(commit)

(commit)

CI Principles

CI Principles

Maintain a code repository

Automate the build & deployment

CI Principles

Make the build self-testing

CI Principles

Everyone commits to the mainline everyday

CI Principles

Every commit to mainline should be built

CI Principles

Keep the build fast

CI Principles

Test in a clone of the production environment

CI Principles

Make it easy to get the latest executable

CI Principles

Everyone can see what’s happening

CI Principles

Advantages of CI

Easy to revert the codebase to a bug-free state

Continuous detection and fixing of integration

problems  

Early warning of broken/incompatible code

Early warning of conflicting changes

Immediate unit testing of all changes

Constant availability of a "current" build

Immediate feedback

Developing modular, less complex and high - quality

code

Disadvantages of CI

Initial setup time required

Well-developed test-suite required

Conclusion

Questions