Note I have opened an issue on gitlab, but I know it's an overkill to open issues for questions. I couldn't find an appropriate channel until I found this mailing list. I'll close the issue, and here is my question for your consideration:

Hi, I'm trying to test a functionality that depends on loading systems. Thusly I ended up writing some tests that need to load a "test-system" during the tests, and I clear the system afterwards.

A simplified code for the test in question is:

(test check-the-system-is-loaded-as-expected ()
  (asdf:load-system "my-test-system-under-test-folder")
  (is --check that the system loaded as expected--)
  (asdf:clear-system "my-test-system-under-test-folder")
  (delete-package "PACKAGE-FROM-TEST-SYSTEM"))

and, to clarify, another test relies on the same system not being loaded, so I don't think a dependency would solve the issue, it is rather a dynamic decision to load or not.

Now, I know that this feature is deprecated and may not work. What I'm wondering if there's a safer way to achieve this. Wouldn't some tests for asdf itself need loading some test systems for example? (hmm it actually might be a good idea to go check them now). OK, for example there's a hello-world-example.asd in test, which looks similar to my my-test-system-under-test-folder.

So, instead of asdf:load-system in the above test code, should I be using a lower-level operation call?

Thanks!

Albus