tracedecay/.github/workflows/hotpath-coverage.yml at master · ScriptedAlchemy/tracedecay · GitHub

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# Coverage lanes for the hotpath instrumentation already present in two
# slices:
#   * storage, tracedecay-rusqlite-runtime, tracedecay-global-db
#     (`slice-tests`)
#   * sessions/lcm/capture/temporal-query, tracedecay-sessions,
#     tracedecay-session-memory, tracedecay-session-runtime,
#     tracedecay-session-temporal-store, tracedecay-lcm, tracedecay-capture,
#     tracedecay-temporal-query (`sessions-slice-tests`)
#
# Each job runs two lanes of the same test set:
#   1. feature off. Every `#[hotpath::measure]` macro must stay a no-op;
#   2. `--features <crate>/hotpath`. The `hotpath_coverage` tests wrap a
#      real workload in a HotpathGuard and assert the JSON report carries
#      the crates' existing measure labels, so the lane fails if the
#      measures stop firing.
#
# hotpath stays opt-in: nothing here touches `default` or `production`
# feature sets, and the metrics HTTP server is disabled at the job boundary
# (see .github/workflows/hotpath-profile.yml, which owns the separate
# index-bench profiling lane and is unaffected by this workflow).
name: hotpath-coverage

on:
  workflow_dispatch:

permissions:
  contents: read

env:
  # Hotpath binds a localhost metrics server by default; tests disable it
  # themselves before building a guard, and this makes that explicit at the
  # job boundary too.
  HOTPATH_METRICS_SERVER_OFF: "1"
  # rustc writes .rmeta read-only and updates them in place when incremental
  # compilation is on. A restored rust-cache blob then fails the compile.
  CARGO_INCREMENTAL: "0"

jobs:
  slice-tests:
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0

      - uses: dtolnay/rust-toolchain@stable

      - uses: ./.github/actions/setup-pnpm

      - name: Check rust-cache restore lineage
        run: |
          python3 scripts/test-rust-cache-lineage.py
          python3 scripts/check-rust-cache-lineage.py

      # Unique v1-rust shared-key so this job never prefix-restores another
      # lane's (or a kache-era v0-rust) compiler tree. rustc writes .rmeta
      # read-only; a lockfile-prefix restore of those files fails the compile.
      - name: Cache Rust dependency artifacts
        id: rust-cache
        uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2.9.2
        with:
          prefix-key: v1-rust
          shared-key: hotpath-coverage-slice
          # Vendored-dependency roots: see the debug-cli cache step in ci.yml.
          workspaces: |
            crates -> ../target
            . -> target/rust-cache-lockfile-key
          cache-workspace-crates: "false"
          cache-on-failure: true

      - name: Discard prefix-restored compiler artifacts
        run: scripts/drop-prefix-restored-rust-artifacts.sh "${{ steps.rust-cache.outputs.cache-hit }}"

      # `test-helpers` only unlocks the registered-store harness the
      # coverage test drives; it gates no production code.
      - name: Slice tests (hotpath off)
        run: |
          cargo test -p tracedecay-rusqlite-runtime -p tracedecay-global-db \
            --locked --features tracedecay-global-db/test-helpers

      - name: Slice tests (hotpath on)
        run: |
          cargo test -p tracedecay-rusqlite-runtime -p tracedecay-global-db \
            --locked --features \
            tracedecay-rusqlite-runtime/hotpath,tracedecay-global-db/hotpath,tracedecay-global-db/test-helpers

  sessions-slice-tests:
    runs-on: ubuntu-latest
    timeout-minutes: 60
    steps:
      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0

      - uses: dtolnay/rust-toolchain@stable

      - uses: ./.github/actions/setup-pnpm

      - name: Cache Rust dependency artifacts
        id: rust-cache
        uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2.9.2
        with:
          prefix-key: v1-rust
          shared-key: hotpath-coverage-sessions
          # Vendored-dependency roots: see the debug-cli cache step in ci.yml.
          workspaces: |
            crates -> ../target
            . -> target/rust-cache-lockfile-key
          cache-workspace-crates: "false"
          cache-on-failure: true

      - name: Discard prefix-restored compiler artifacts
        run: scripts/drop-prefix-restored-rust-artifacts.sh "${{ steps.rust-cache.outputs.cache-hit }}"

      - name: Sessions slice tests (hotpath off)
        run: |
          cargo test -p tracedecay-sessions -p tracedecay-session-memory \
            -p tracedecay-session-runtime -p tracedecay-session-temporal-store \
            -p tracedecay-lcm -p tracedecay-capture -p tracedecay-temporal-query \
            --locked

      - name: Sessions slice tests (hotpath on)
        run: |
          cargo test -p tracedecay-sessions -p tracedecay-session-memory \
            -p tracedecay-session-runtime -p tracedecay-session-temporal-store \
            -p tracedecay-lcm -p tracedecay-capture -p tracedecay-temporal-query \
            --locked --features \
            tracedecay-sessions/hotpath,tracedecay-session-memory/hotpath,tracedecay-session-runtime/hotpath,tracedecay-session-temporal-store/hotpath,tracedecay-lcm/hotpath,tracedecay-capture/hotpath,tracedecay-temporal-query/hotpath