Attribute Macro tokio::test [−][src]
#[test]
Marks async function to be executed by runtime, suitable to test environment
Options:
core_threads=n
- Sets core threads ton
(requiresrt-threaded
feature).max_threads=n
- Sets max threads ton
(requiresrt-core
orrt-threaded
feature).
Usage
Select runtime
#[tokio::test(core_threads = 1)] async fn my_test() { assert!(true); }
Using default
#[tokio::test] async fn my_test() { assert!(true); }
NOTE:
If you rename the tokio crate in your dependencies this macro
will not work. If you must rename the 0.2 version of tokio because
you’re also using the 0.1 version of tokio, you must make the
tokio 0.2 crate available as tokio
in the module where this
macro is expanded.