feat(libspot): migrate FFI bindings to libspot v3.0.0 API #5
Workflow file for this run
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: Test cross-implementation consistency | |
| on: | |
| push: | |
| branches: [ main, master ] | |
| pull_request: | |
| branches: [ main, master ] | |
| workflow_call: | |
| env: | |
| CARGO_TERM_COLOR: always | |
| jobs: | |
| consistency: | |
| name: Verify all 3 implementations produce identical basic-example output | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| with: | |
| submodules: recursive | |
| - name: Install Rust | |
| uses: dtolnay/rust-toolchain@stable | |
| - name: Install system dependencies | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y build-essential pkg-config | |
| - name: Build C library | |
| run: | | |
| cd crates/libspot/libspot | |
| make clean | |
| make | |
| - name: Build & run raw C basic example | |
| id: run_c | |
| run: | | |
| cd crates/libspot | |
| # Find the produced static archive (e.g. libspot.a.2.0b5 or libspot.a.3.0.0) | |
| ARCHIVE=$(ls libspot/dist/libspot.a.* | head -n1) | |
| echo "Using archive: $ARCHIVE" | |
| # Use the wrapper crate's own examples/basic.c (kept in sync with the | |
| # Rust examples for output format and K). The submodule may ship a | |
| # different basic.c with a smaller K and different output format. | |
| cc -O2 -std=c99 -o /tmp/basic_c examples/basic.c -Ilibspot/include/ "$ARCHIVE" -lm | |
| /tmp/basic_c | tee /tmp/out_c.txt | |
| - name: Build & run Rust FFI basic example | |
| run: | | |
| cd crates/libspot | |
| cargo run --release --example basic | tee /tmp/out_ffi.txt | |
| - name: Build & run pure-Rust basic example | |
| run: | | |
| cd crates/libspot-rs | |
| cargo run --release --example basic | tee /tmp/out_pure.txt | |
| - name: Compare ANOMALY/EXCESS/NORMAL/Z/T across the 3 implementations | |
| run: | | |
| set -euo pipefail | |
| extract() { | |
| # Extracts the two canonical lines into a normalized "key=value" form. | |
| local file="$1" | |
| local counts z_t | |
| counts=$(grep -E '^ANOMALY=[0-9]+ EXCESS=[0-9]+ NORMAL=[0-9]+$' "$file" | tail -n1) | |
| z_t=$(grep -E '^Z=[-0-9.]+ T=[-0-9.]+$' "$file" | tail -n1) | |
| if [[ -z "$counts" || -z "$z_t" ]]; then | |
| echo "ERROR: could not find canonical output lines in $file" >&2 | |
| cat "$file" >&2 | |
| exit 1 | |
| fi | |
| printf '%s\n%s\n' "$counts" "$z_t" | |
| } | |
| C_OUT=$(extract /tmp/out_c.txt) | |
| FFI_OUT=$(extract /tmp/out_ffi.txt) | |
| PURE_OUT=$(extract /tmp/out_pure.txt) | |
| echo "::group::Raw C" | |
| echo "$C_OUT" | |
| echo "::endgroup::" | |
| echo "::group::Rust FFI (libspot)" | |
| echo "$FFI_OUT" | |
| echo "::endgroup::" | |
| echo "::group::Pure Rust (libspot-rs)" | |
| echo "$PURE_OUT" | |
| echo "::endgroup::" | |
| if [[ "$C_OUT" != "$FFI_OUT" ]]; then | |
| echo "::error::Raw C and Rust FFI outputs differ" | |
| diff <(echo "$C_OUT") <(echo "$FFI_OUT") || true | |
| exit 1 | |
| fi | |
| if [[ "$C_OUT" != "$PURE_OUT" ]]; then | |
| echo "::error::Raw C and pure-Rust outputs differ" | |
| diff <(echo "$C_OUT") <(echo "$PURE_OUT") || true | |
| exit 1 | |
| fi | |
| echo "All three implementations produced identical output." |