Two more testing improvements #317
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I had an extra `-` at the end here which was being interpreted as an xattr...It turns out that `mkcomposefs` is liberal here in what it accepts (string parsing in C stinks) and interprets a missing `=` to be an xattr with the provided name, and no value. In this *specific* case that's an xattr with the name `-`. The Rust parser is stricter and rejects this (which I think is a good thing), and this is preparation for doing stronger verification on the Rust side before we start passing data into C. Signed-off-by: Colin Walters <walters@verbum.org>
This way, callers of the Rust API get validation before we start passing things down to the C code. (To be clear, the C code also needs sanity tests, but it's way more reliable to test things on the Rust side) Signed-off-by: Colin Walters <walters@verbum.org>
cgwalters
commented
Aug 19, 2024
| ), | ||
| ( | ||
| "no ftype", | ||
| include_str!("../../../tests/assets/should-fail-no-ftype.dump"), |
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Note I didn't need to change the Rust side for this one, it was already strictly validating the mode 🏆
alexlarsson
approved these changes
Aug 20, 2024
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tests: Fix extra
-in should-fail testsI had an extra
-at the end here which was being interpretedas an xattr...It turns out that
mkcomposefsis liberal herein what it accepts (string parsing in C stinks) and interprets
a missing
=to be an xattr with the provided name, andno value.
In this specific case that's an xattr with the name
-.The Rust parser is stricter and rejects this (which I think
is a good thing), and this is preparation for doing stronger
verification on the Rust side before we start passing data
into C.
Signed-off-by: Colin Walters walters@verbum.org
rust: Also test we fail to parse the
should-fail-casesThis way, callers of the Rust API get validation before
we start passing things down to the C code.
(To be clear, the C code also needs sanity tests, but
it's way more reliable to test things on the Rust side)
Signed-off-by: Colin Walters walters@verbum.org