Spark with Scala Course - #14 If you want to be pro, do this ...

Apache Spark with Scala Course: From Beginner to Pro
Spark Rockstar Academy: https://academy.philipp-brunenberg.de
Spark Rockstar Newsletter: https://newsletter.philipp-brunenberg.de
Entire playlist: https://www.youtube.com/playlist?listPLeEh_6coH9EpIwsiNiDCW0V-UjNZElF0d
Next video: https://youtu.be/Ygg2OdRWJ7U
In this video, we'll get into the topic of writing high-quality Spark code. Manual testing the the junior developer's argument and a senior's nightmare. If you want to build high-quality applications, you need to learn to test your code.
00:00 Do you know whether our code is correct?
00:41 Manual testing - An engineers nightmare
01:30 High-quality software composition of well-functioning & tested components
02:06 What's a unit test?
02:47 It's an essential skill if you want to become a Pro