Published on February 19, 2014
Automated Acceptance Testing of High Capacity Network Gateway Ran Nyman, Ismo Aro, Ronald Wagner RANNICON NSN
Content Background Initial Phase Agile Acceptance Testing Growing CI Scaling Now Challenges with ATDD Conclusions RANNICON NSN
Who are We Ran Nyman Ismo Aro Agile Coach Agile Coach Consultant Scrum Master Developer Tester Developer RANNICON NSN
Background Product development started in 2007 The product High capacity GGSN and SAE Gateway Two teams and cultures Waterfall Agile RANNICON NSN
The Starting Phase Two teams Mixing teams No legacy code First steps: PBL Initial architecture and Development environment RANNICON NSN
Growing First Wave Two more teams from traditional background C team grasped new development ideas fast D team had difficulties in changing RANNICON NSN
Growing Second Wave More local teams Subcontractor on different continent Same rules apply CI challenges Customs problems Lot's of traveling And it slowly started to work RANNICON NSN
Current Setup More than 20 teams Located in four countries Development staff is still growing More teams on existing sites RANNICON NSN
How Does it Work Release at least every other sprint “As a result of our agility in developing products, we have been able to demonstrate the product capabilities at an early stage of the development cycle itself, helping us to win new customers cases.” Head of the product line RANNICON NSN
Agile Acceptance Testing RANNICON NSN
Agile Acceptance Testing Acceptance test are decided in beginning of sprint Tests are automated during development All acceptance test are automated Test scripts are only documentation that is written from tests RANNICON NSN
Tools CI servers: Bamboo, BuildBot Automation Framework: Robot Framework Protocol tester: Catapult RANNICON NSN
Continuous Integration CI Build (compilation and Unit Tests) Sanity Nightly regression RANNICON NSN
CI Initial RANNICON NSN
CI Current RANNICON NSN
Test Growth RANNICON NSN
Challenges with ATDD Limited e2e testing: No visibility what is ready for shipping Hard to troubleshoot Changing functionality leads to unpredictable failures in tests ATDD is done on to low level RANNICON NSN
E2E Tests in Future Test cases are created before code and they work as a tool of communication. Test Cases are going to be written using BDD. eg. Given activate customer license When customized packet is send to A interface Then packet is delivered from A interface to B interface. And no counters are increased. RANNICON NSN
Conclusions Automated acceptance testing pays off 100% test automation is the target Real life is more complex than you think Do not forget the CI challenges Splitting requirements and tracking progress RANNICON NSN
Questions RANNICON NSN
Contact Us Ran Nyman firstname.lastname@example.org www: http://rannicon.com Ismo Aro email@example.com Twitter: ismoaro www: http://www.graceland.fi Roland Wagner firstname.lastname@example.org RANNICON NSN
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Automated Acceptance Testing of High Capacity Network Gateway 309 2.2 Growing Second Wave
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