this post was submitted on 28 Jul 2023
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Rust
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I've always thought it weird that the intro CS course I took at my university didn't even mention unit testing. After being in the industry for several years, it's become obvious that the majority of what I do is just writing tests.
If you wanted to introduce every industry best practice in an intro course you'd never get to the actual programming.
It would be good to have a 1 credit course(one hour a week) where you learn industry best practices like version control, testing and stuff like that. But it definitely shouldn't be at the start.
I teachers were using automated tests instead of printf in their intro courses, it would be so much better. I don't think that introducing all the various kind of tests is usefull, but just showing the concept of automated tests instead of manual ones would be a huge step forward.
The thing is the way they motivate new students to learn programming is by having them write programs that do something. Making a test green isn't as motivating as visually seeing the output of your work, and test fixtures can be complex to set up depending on the language. I mean students don't learn how to factor their code into methods until later into such a course, they're learning if statements and for loops and basic programming constructs. Don't you think having to explain setting up test fixtures and dependency inversion is a bit too much for people at that level?