Le 03/09/2026 à 5:59 AM, Gary Guo a écrit :
> Currently in Rust, kunit tests are handled with `kunit_tests`, while the
> doctests generate a lot `extern "C"` functions and invoke them through a
> generated C wrapper.
>
> This is currently needed because of the special treatment of file name and
> line numbers from doctests. Convert them to override `file!()` and
> `line!()` macro instead, and use them inside `kunit_assert!`.
>
> With this it is possible to just generate `#[kunit_tests]` and `#[test]`
> for doctests.
>
> David mentioned in [1] that this should route via the Rust tree.
>
> Link: https://lore.kernel.org/rust-for-linux/e30d16ec-f5a3-4cd8-9b25-96e0dfa8b9d2@davidgow.net/ [1]
>
> Signed-off-by: Gary Guo <gary@garyguo.net>
> ---
> Changes in v2:
> - Rebased on v7.3-rc1
> - Picked up tags
> - Link to v1: https://patch.msgid.link/20260616-kunit-v1-0-b191604a8d6b@garyguo.net
>
> ---
Thanks again. This still looks good to me.
Cheers,
-- David
> Gary Guo (3):
> rust: kunit: use `file!()` inside `kunit_assert!`
> rust: kunit: use `line!()` inside `kunit_assert!`
> rust: doctest: generate Rust kunit test suites
>
> Documentation/rust/general-information.rst | 4 +-
> init/Kconfig | 3 --
> rust/Makefile | 4 +-
> rust/kernel/kunit.rs | 11 +++--
> rust/kernel/str.rs | 2 +-
> rust/macros/helpers.rs | 16 -------
> rust/macros/kunit.rs | 5 +-
> rust/macros/lib.rs | 5 --
> scripts/rustdoc_test_gen.rs | 73 ++++++++----------------------
> 9 files changed, 30 insertions(+), 93 deletions(-)
> ---
> base-commit: cee9395acd8043be0644b25c34bfa86623f2b935
> change-id: 20260616-kunit-348f2c029b1e
>
> Best regards,
> --
> Gary Guo <gary@garyguo.net>
>