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Mention async testing in the testing guide.

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Jeb Rosen 2020-07-08 09:20:12 -07:00 committed by Sergio Benitez
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site/guide/8-testing.md
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@ -254,6 +254,21 @@ mod test {
The tests can be run with `cargo test`. You can find the full source code to
[this example on GitHub](@example/testing).
## Asynchronous Testing
You may have noticed the use of a "`blocking`" API in these examples, even
though `Rocket` is an `async` web framework. In most situations, the `blocking`
testing API is easier to use. When concurrent execution of two or more requests
is required for the server to make progress, you will need the more flexible
`asynchronous` API; the `blocking` API is not capable of dispatching multiple
requests simultaneously. For more information, see the [`rocket::local`] and
[`rocket::local::asynchronous`] documentation as well as the asynchronous
version of [the `testing` example].
[`rocket::local`]: @api/rocket/local/index.html
[`rocket::local::asynchronous`]: @api/rocket/local/asynchronous/index.html
[the `testing` example]: @example/testing/src/main.rs
## Codegen Debug
It can be useful to inspect the code that Rocket's code generation is emitting,