Testing Essentials - What is a bug? 🐞 — Transcript

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1. 0:01[Music]
2. 0:05hi my name is Stefan and I'm leading the
3. 0:08community team here at hostile what is a
4. 0:11buck back in the days when computers
5. 0:14filled entire rooms it would sometimes
6. 0:15happen that bugs or other insects
7. 0:17damaged electric wires leading to errors
8. 0:20in the calculations that was when the
9. 0:23term bug was coined
10. 0:25today every software behavior which is
11. 0:28not intended by the developers is called
12. 0:30a bug
13. 0:30other common names are defect or issue
14. 0:33on test a o we distinguished between
15. 0:36three types of bugs
16. 0:37wishful content and functional bugs
17. 0:41which we focus on let me show you an
18. 0:44example this is a small javascript
19. 0:46project added on the top you see the
20. 0:48code on the bottom you see where the
21. 0:51website would show to the visitor this
22. 0:54is how it works you type in a column
23. 0:56name and the box outside of it
24. 0:58immediately turns into that color let's
25. 1:04imagine I did an error in my code I
26. 1:07forgot to type a dot you can see the box
27. 1:12immediately turns into that standard
28. 1:14color which is gray and does no longer
29. 1:16change the color now this is an easy to
30. 1:21identify back keep in mind that most
31. 1:23bugs are much more subtle and not that
32. 1:25easy to find and often you have limited
33. 1:27information on how the software actually
34. 1:30should work if you liked this video in
35. 1:33our channel please leave a like and
36. 1:34don't forget to subscribe