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Michal Rostecki c05a3b69b7 aya-obj: Handle lack of match of enum variants correctly 
When comparing `local_spec` with `target_spec` for enum relocations,
we can encounter a situation when a matchinng variant in a candidate
spec doesn't exist.

Before this change, such case wasn't handled explicitly, therefore
resulted in returning currently constructed `target_spec` at the
end. The problem is that such `target_spec` was, due to lack of
match, incomplete. It didn't contain any `accessors` nor `parts`.

Later usage of such incomplete `target_spec` was leading to panics,
since the code operating on enums' `target_spec` expects at least
one `accessor` to be available.

Fixes #868
 		10 months ago
..
integration-ebpf aya-log: fix hygiene 1 year ago
integration-test aya-obj: Handle lack of match of enum variants correctly 10 months ago
.gitignore test: Replace RTF with Rust 2 years ago
README.md tests: update instructions on setting up and running tests 12 months ago

README.md

Aya Integration Tests

The aya integration test suite is a set of tests to ensure that common usage behaviours work on real Linux distros

Prerequisites

You'll need:

  1. rustup toolchain install nightly
  2. rustup target add {aarch64,x86_64}-unknown-linux-musl
  3. cargo install bpf-linker
  4. libelf-dev (libelf-devel on rpm-based distros)
  5. llvm (for llvm-objcopy)
  6. (virtualized only) qemu

Usage

From the root of this repository:

Native

cargo xtask integration-test local

Virtualized

cargo xtask integration-test vm <KERNEL IMAGE>

Writing an integration test

Tests should follow these guidelines:

  • Rust eBPF code should live in integration-ebpf/${NAME}.rs and included in integration-ebpf/Cargo.toml and integration-test/src/lib.rs using include_bytes_aligned!.
  • C eBPF code should live in integration-test/bpf/${NAME}.bpf.c. It should be added to the list of files in integration-test/build.rs and the list of constants in integration-test/src/lib.rs using include_bytes_aligned!.
  • Tests should be added to integration-test/tests.
  • You may add a new module, or use an existing one.
  • Test functions should not return anyhow::Result<()> since this produces errors without stack traces. Prefer to panic! instead.