ci(rust-test): mold linker on the coverage job (parity) — fixes the test-with-coverage flake; clears the SoA migration #702
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| name: Rust Tests | |
| on: | |
| push: | |
| branches: | |
| - main | |
| pull_request: | |
| paths: | |
| - crates/** | |
| - Cargo.toml | |
| - Cargo.lock | |
| - .github/workflows/rust-test.yml | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }} | |
| cancel-in-progress: true | |
| env: | |
| CARGO_TERM_COLOR: always | |
| RUSTFLAGS: "-C debuginfo=1 -C target-cpu=x86-64-v3" | |
| RUST_BACKTRACE: "1" | |
| CARGO_INCREMENTAL: "0" | |
| # Least-privilege: these jobs only read the repo (checkout + build + test). | |
| # Codecov upload uses its own token secret and is non-fatal (fail_ci_if_error: false). | |
| permissions: | |
| contents: read | |
| jobs: | |
| test: | |
| runs-on: ubuntu-24.04 | |
| timeout-minutes: 30 | |
| defaults: | |
| run: | |
| working-directory: lance-graph | |
| strategy: | |
| matrix: | |
| toolchain: | |
| - stable | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| path: lance-graph | |
| - name: Checkout AdaWorldAPI/ndarray (sibling dependency) | |
| uses: actions/checkout@v4 | |
| with: | |
| repository: AdaWorldAPI/ndarray | |
| # ndarray master now exports wht_f32, kmeans, squared_l2, | |
| # dequantize_i8_to_f32, quantize_f32_to_i2, dequantize_i2_to_f32 | |
| # publicly (ndarray PR #115, merged 2026-04-30). Pin retired. | |
| path: ndarray | |
| - name: Setup rust toolchain | |
| run: | | |
| rustup toolchain install ${{ matrix.toolchain }} | |
| rustup default ${{ matrix.toolchain }} | |
| - name: Setup mold linker | |
| # Heavy lance+datafusion integration-test binaries OOM the default GNU `ld` | |
| # at the `cargo test --no-run` link step (intermittent). mold links them | |
| # fast + low-memory (already used by release.yml / rust-publish.yml). | |
| uses: rui314/setup-mold@v1 | |
| - uses: Swatinem/rust-cache@v2 | |
| with: | |
| shared-key: "lance-graph-deps" | |
| workspaces: | | |
| lance-graph/crates/lance-graph | |
| - name: Install dependencies | |
| run: | | |
| sudo apt update | |
| sudo apt install -y protobuf-compiler | |
| - name: Build tests | |
| run: cargo test --manifest-path crates/lance-graph/Cargo.toml --no-run | |
| - name: Run unit tests | |
| run: cargo test --manifest-path crates/lance-graph/Cargo.toml --lib | |
| - name: Run doc tests | |
| run: cargo test --manifest-path crates/lance-graph/Cargo.toml --doc | |
| # lance-graph-contract is the zero-dep trait crate every workspace | |
| # consumer (planner, callcenter, shader-driver, ...) depends on. | |
| # Its clippy gate (style.yml) catches type errors but does NOT | |
| # execute tests, so a logically-broken assertion can ship green — | |
| # PR #322's `log_norm_growth_negative_when_m_attenuates` slipped | |
| # through exactly this way and was caught only after merge. | |
| # Adding the test gate here closes that hole. Cost is minimal: | |
| # zero-dep crate, ~1 s build + <1 s test execution, reuses the | |
| # already-installed toolchain and Swatinem cache from above. | |
| - name: Run contract unit tests | |
| run: cargo test --manifest-path crates/lance-graph-contract/Cargo.toml --lib | |
| # Per PR #431 review: the `compile_fail` typestate proofs in | |
| # `tests/cognition_typestate.rs` and the integration test bodies | |
| # themselves were silently un-gated by `--lib`. Adding `--tests` | |
| # picks up the integration crate; `--doc` picks up doctest / | |
| # compile_fail blocks in library modules. | |
| - name: Run contract integration tests | |
| run: cargo test --manifest-path crates/lance-graph-contract/Cargo.toml --tests | |
| - name: Run contract doctests | |
| run: cargo test --manifest-path crates/lance-graph-contract/Cargo.toml --doc | |
| # deepnsm: standalone 0-dep codec crate, workspace-excluded, so the | |
| # lance-graph test steps above never reached it. ~217 lib + integration + | |
| # doctests, fast (no lance/datafusion/ndarray deps). Gating. | |
| - name: Run deepnsm tests | |
| run: cargo test --manifest-path crates/deepnsm/Cargo.toml | |
| test-with-coverage: | |
| runs-on: ubuntu-24.04 | |
| timeout-minutes: 30 | |
| defaults: | |
| run: | |
| working-directory: lance-graph | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| path: lance-graph | |
| - name: Checkout AdaWorldAPI/ndarray (sibling dependency) | |
| uses: actions/checkout@v4 | |
| with: | |
| repository: AdaWorldAPI/ndarray | |
| # ndarray master now exports wht_f32, kmeans, squared_l2, | |
| # dequantize_i8_to_f32, quantize_f32_to_i2, dequantize_i2_to_f32 | |
| # publicly (ndarray PR #115, merged 2026-04-30). Pin retired. | |
| path: ndarray | |
| - name: Setup rust toolchain | |
| run: | | |
| rustup toolchain install stable | |
| rustup default stable | |
| - name: Setup mold linker | |
| # Parity with the `test` job above (TD-CI-COVERAGE-MOLD-1): the heavy | |
| # lance+datafusion test binaries OOM the default GNU `ld` at link | |
| # (intermittent) — and llvm-cov INSTRUMENTED binaries are larger, so | |
| # the OOM is MORE likely here than in the plain `test` job that already | |
| # has mold. Without this step the coverage job flaked while `test` | |
| # stayed green (2/50 runs). mold links them fast + low-memory. | |
| uses: rui314/setup-mold@v1 | |
| - uses: Swatinem/rust-cache@v2 | |
| with: | |
| shared-key: "lance-graph-deps" | |
| workspaces: | | |
| lance-graph/crates/lance-graph | |
| - name: Install dependencies | |
| run: | | |
| sudo apt update | |
| sudo apt install -y protobuf-compiler | |
| - name: Install cargo-llvm-cov | |
| uses: taiki-e/install-action@cargo-llvm-cov | |
| - name: Run tests with coverage | |
| run: | | |
| cargo llvm-cov --manifest-path crates/lance-graph/Cargo.toml --lcov --output-path lcov.info | |
| - name: Upload coverage to Codecov | |
| uses: codecov/codecov-action@v4 | |
| with: | |
| files: lcov.info | |
| flags: rust-unittests | |
| fail_ci_if_error: false |