linux-kernel - [PATCH 0/7] Rust KUnit `#[test]` support improvements

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Message-ID: <20250502215133.1923676-1-ojeda@kernel.org>
Date: Fri,  2 May 2025 23:51:25 +0200
From: Miguel Ojeda <ojeda@...nel.org>
To: Brendan Higgins <brendan.higgins@...ux.dev>,
	David Gow <davidgow@...gle.com>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>
Cc: Rae Moar <rmoar@...gle.com>,
	linux-kselftest@...r.kernel.org,
	kunit-dev@...glegroups.com,
	Boqun Feng <boqun.feng@...il.com>,
	Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>,
	rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	patches@...ts.linux.dev
Subject: [PATCH 0/7] Rust KUnit `#[test]` support improvements

Improvements that build on top of the very basic `#[test]` support merged in
v6.15.

They are fairly minimal changes, but they allow us to map `assert*!`s back to
KUnit, plus to add support for test functions that return `Result`s.

In essence, they get our `#[test]`s essentially on par with the documentation
tests.

I also took the chance to convert some host `#[test]`s we had to KUnit in order
to showcase the feature.

Finally, I added documentation that was lacking from the original submission.

I hope this helps.

Miguel Ojeda (7):
  rust: kunit: support KUnit-mapped `assert!` macros in `#[test]`s
  rust: kunit: support checked `-> Result`s in KUnit `#[test]`s
  rust: add `kunit_tests` to the prelude
  rust: str: convert `rusttest` tests into KUnit
  rust: str: take advantage of the `-> Result` support in KUnit
    `#[test]`'s
  Documentation: rust: rename `#[test]`s to "`rusttest` host tests"
  Documentation: rust: testing: add docs on the new KUnit `#[test]`
    tests

 Documentation/rust/testing.rst | 80 ++++++++++++++++++++++++++++++++--
 init/Kconfig                   |  3 ++
 rust/Makefile                  |  3 +-
 rust/kernel/kunit.rs           | 29 ++++++++++--
 rust/kernel/prelude.rs         |  2 +-
 rust/kernel/str.rs             | 76 ++++++++++++++------------------
 rust/macros/helpers.rs         | 16 +++++++
 rust/macros/kunit.rs           | 31 ++++++++++++-
 rust/macros/lib.rs             |  6 ++-
 9 files changed, 191 insertions(+), 55 deletions(-)


base-commit: b4432656b36e5cc1d50a1f2dc15357543add530e
--
2.49.0