Articles tagged “unit-testing”

• Review and refactor Soft­wa­reEngi­neer­ing.SE is a good place for in­ter­est­ing ques­tions. One of the re­cent ques­tions about unit tests was par­tic­u­lar­ly in­ter­est­ing: not for its unit test­ing part, but for giv­ing a small piece of code which may seem par­tic­u­lar­ly…
  code-review 2 unit-testing 6 reliability 2
• Unit tests, stubs and non-deterministic behavior When it comes to unit test­ing, be­gin­ner pro­gram­mers are of­ten blocked when reach­ing code which feels non-de­ter­min­is­tic or when the re­sult changes over time. Two clas­si­cal ex­am­ples are code which…
  java 2 unit-testing 6
• The greatness of TDD illustrated Dur­ing an in­ter­view, I was asked to solve the fol­low­ing prob­lem: A val­i­da­tion func­tion takes as in­put a string con­tain­ing paren­the­sis and square brack­ets. It should re­turn true if the clos­ing paren­the­sis and brack­ets are match­ing the open­ing ones, or…
  featured 8 refactoring 12 unit-testing 6
• Unit testing methods which are calling static methods Dis­claimer: the ar­ti­cle be­low talks about meth­ods call­ing pub­lic sta­t­ic meth­ods from oth­er class­es. This ex­cludes the calls to pri­vate sta­t­ic meth­ods. Re­cent­ly, I wrote a rather un­pop­u­lar an­swer on Stack Ex­change about sta­t­ic meth­ods in a con­text of…
  rant 34 refactoring 12 unit-testing 6 design 2
• Tricky, tricky dates Any pro­gram­mer who worked with dates would tell that dates are a com­plex sub­ject. Time zones, UTC, day­light sav­ing time, leap years, and, my fa­vorite of all—leap sec­onds that “are not en­tire­ly…
  featured 8 testing 7 unit-testing 6 javascript 3
• What targetting 100% code coverage taught me I was re­cent­ly in charge of draft­ing a new sys­tem for a cus­tomer. I took it as an op­por­tu­ni­ty to demon­strate some of the ap­proach­es that should lead to high­er qual­i­ty soft­ware, com­pared to what the…
  testing 7 unit-testing 6 quality 36