ASSURING QUALITY IN BORSA ISTANBUL: From A to Z

About Me ›  Head of Enterprise Architecture ›  @IsaGoksu ›  http://github.com/isa

I get paid by the code that works, not for the tests

Secret  Sauce   ›  Organize It Well ›  Regress It Well ›  Build a Pipeline

Organize  It  Well   ›  Habit of having good test cases all the time ›  Have testing pyramid setup ›  Consumer driven contracts for cross-functionality

Build  the  Habit   ›  Automated ›  Specification by Examples ›  Early in the Cycle ›  Fast Feedback Loops ›  Simple ›  Not Fragile ›  Truthful

Test  Pyramid  

Consumer-­‐Driven  Contracts   ›  Design by Contract ›  Write Tests against these contracts ›  Don’t run yourself, just give it

Regress  It  Well   ›  Safety net ›  Run Often ›  If needed parallelize it

Regressing  Trading  Engine   ›  Full Regression in 67 minutes ›  Fully automated ›  Run 52,567 tests ›  Dynamic Configuration per each-run including securities, sessions, data, etc ›  Various types of securities

Some  StaBsBcs  

More  on  StaBsBcs   Security Type Total Count Used % Order Type Total Count Used % Total Securities 633 31 4,90% New Order 385.025 33.325 8,66% Order Update 52.558 9.033 17,19% Normal and Fix Price Trade Securities 409 18 4,40% Order Cancel 33.347 4.475 13,42% Warrants 177 6 3,39% Order Split 2.765 162 5,86% Funds 17 5 29,41% Quotation 49.329 5.572 11,30% Certificates 26 2 7,69% Total 523.024 52.567 10,05% Securities with Market Maker 239 19 7,95%

Build  a  Pipeline   ›  Virtualization ›  Infrastructure ›  Continuous Delivery Pipeline

VirtualizaBon   ›  Time ›  Dynamic provisioning ›  Easily configurable ›  Snapshots

Infrastructure   Trading Engine Gateway 6 Gateway 5 Gateway 4 Orders & Transactions Gateway 3 Gateway 2 Client 6 Test Controller Client 5 E-Mail Server Client 4 Log Server Client 3 Client 2 Message Store Client 1 Gateway 1

ConBnuous  Delivery  Pipeline   SVN   Compile   Measure   Test   Deploy   Acceptance   Document   Publish   Central   Repository   One Click Deployment

Details  

Q/A   ? ? ?