Testing is Confidence - A Developer's Perspective

on YouTube ↗48m

" summary

Argues that tests deliver measurable confidence by catching regressions early and keeping developers in the flow, with concrete fixes: use reproducible builds and build caches to avoid repeated 5–10 minute builds, enable Maven/Gradle daemons and parallel test execution to cut wall time, scan for license and security issues with SpotBugs/FindSecBugs and Dependabot, and schedule flaky test days to remove tests that trigger CI retries; recommends running single tests from the IDE, adding tests around complicated logic, and treating test code as production-quality.

AI-written summary · about

" chapters (44)

1. 0:00Intro
2. 0:43Who am I
3. 1:54A little fun
4. 2:07Dogs or cats
5. 2:44Gradle or Maven
6. 2:59Gradle Enterprise
7. 3:44Todays topic
8. 4:03Why do we test
9. 4:58This was my job
10. 5:37When not a why
11. 6:18Why test
12. 6:36Confidence
13. 7:33Manual Testing
14. 8:56Testing is Confidence
15. 10:32Refactoring
16. 13:14Example
17. 15:08Unit tests must be fast
18. 18:17Integration tests
19. 19:04Cons of integration tests
20. 21:32Component tests
21. 23:23Mocks
22. 23:50Satisfaction surveys
23. 24:24Build time
24. 25:07Developer Productivity Engineering
25. 25:36Build Cash
26. 26:38Stay in the Zone
27. 27:09Test Code
28. 28:30Flaky Tests
29. 29:40normalizing flaky tests
30. 31:04tracking flaky tests
31. 31:39flaky test days
32. 32:32functional testing
33. 33:27nonfunctional testing
34. 34:14code quality
35. 36:24code coverage
36. 37:41violating a license
37. 39:32security
38. 41:54tennis balls
39. 42:11reproducible builds
40. 43:09clean builds
41. 44:03Maven Demon
42. 44:25Parallel Options
43. 45:37Test in Complex Areas
44. 46:48Thank You

" related talks

• 22mTest Effective DevelopmentShai Reznik · TestJS Summit 2021
• 42mUse testing to Develop Better Software FasterMarit van Dijk · Voxxed Days Cluj-Napoca 2022
• 42mEffective Developer Testing: taking it to the next levelMaurício Aniche · J-Fall 2022
• 40mIntegration Testing from the Trenches - RebootedNicolas Fränkel · TestCon Europe 2021
• 57mAdvanced Testing Techniques: Tips from the trenchesRob Moore, Graeme Foster · NDC Sydney 2018
• 37mUnderstanding the successes and the pain points of different testing strategiesBenjamin Bryant · GoLab 2023
• 42mIntroducing the benefits of the testing diamondMoreton Brockley · NDC London 2020
• 46mTowards Joyful DevelopmentSimon Mavi Stewart · Appium Conference 2021