Run sync code before tokio::test's

[summer bear]

I've encountered this issue, I put a piece of code in a LazyLock to fetch a token that will be used for all tests, but that needs to run in a sync context, it panics if it's run inside async.
My quick and dirty solution was putting an init test not async to force the initialization, but I feel like this is bad, there has to be a better way.

[drifting bluff]

why does the fetching need to be run in sync?

[summer bear]

This https://docs.rs/reqwest/latest/reqwest/blocking/index.html

[drifting bluff]

uhhhh

ok that just wraps a tokio runtime to run it blocking

[summer bear]

Unless there's some way to run async before all tests and share it

[drifting bluff]

tests are also not necessarily ran sequentially

[summer bear]

Yeah, that's why I want something better

[drifting bluff]

https://docs.rs/tokio/latest/tokio/sync/struct.OnceCell.html

and, well, use reqwest async mode

[summer bear]

Oh nice

Thanks

[olive dawn]

also note that #[tokio::test] doesn't do anything especially magic for tests; it is just #[tokio::main] + #[test]

and it defaults to current-thread runtime to be cheaper