Getting it right: Writing reliable and maintainable R code

on YouTube ↗19m

" summary

Argues that automated tests give quick feedback and let teams change code faster, demonstrates using testthat plus usethis::use_test to scaffold tests and running them with Command/Ctrl‑Shift‑T or devtools::test, shows a real example where unique handling of factors breaks then is fixed and tests updated, explains snapshot testing for Shiny with shinytest record and playback, recommends starting with major functions and integrating tests into CI for continual validation.

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" chapters (15)

1. 0:00Intro
2. 0:17Data science through code
3. 2:37Code quality matters
4. 4:13Writing tests
5. 5:55testthat
6. 8:14An example of a test file from the string package
7. 8:44Expectations
8. 11:23Development workflow
9. 11:43Testing considerations
10. 12:34shinytest
11. 15:07Designing for ease of testing
12. 16:30Profit!
13. 16:49Resources to read/watch
14. 17:45Resources for testing packages
15. 18:05Next steps

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