ci.yml

name: ci

on:
  push:
    branches: [main]
  pull_request:

permissions:
  contents: read

# Force JavaScript-based actions onto Node.js 24 ahead of the
# 2026-06-02 default flip; silences the Node 20 deprecation banner.
env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
      - uses: actions/setup-go@v7
        with:
          go-version: "1.25"
          cache: true
      - uses: golangci/golangci-lint-action@v9
        with:
          # Pinned exact (not v2.5). Keep in sync with Makefile
          # GOLANGCI_LINT_VERSION.
          version: v2.5.0

  test-linux:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        go: ["1.25", "1.26"]
    steps:
      - uses: actions/checkout@v7
      - uses: actions/setup-go@v7
        with:
          go-version: ${{ matrix.go }}
          cache: true
      - run: go vet ./...
      - run: go test -race -count=1 ./...

  test-integration-linux:
    runs-on: ubuntu-latest
    needs: [lint, test-linux]
    strategy:
      fail-fast: false
      matrix:
        go: ["1.25", "1.26"]
        shard: [1, 2, 3]
    steps:
      - uses: actions/checkout@v7
      - uses: actions/setup-go@v7
        with:
          go-version: ${{ matrix.go }}
          cache: true
      - name: Verify Docker available
        run: |
          docker version
          docker compose version
      - name: Run integration tests (shard ${{ matrix.shard }}/3)
        env:
          SHARD_INDEX: ${{ matrix.shard }}
          SHARD_TOTAL: 3
        run: |
          # Enumerate tests under the integration tag, partition them
          # deterministically by sorted-index modulo SHARD_TOTAL, and
          # run only this shard's subset. Platform-specific tests are
          # excluded here by their build constraints.
          set -euo pipefail
          tests=$(go test -tags=integration -list '.*' ./test/integration/... \
            | grep -E '^Test' | sort -u)
          if [ -z "$tests" ]; then
            echo "no integration tests discovered" >&2
            exit 1
          fi
          selected=$(echo "$tests" | awk -v s="$SHARD_INDEX" -v t="$SHARD_TOTAL" \
            '{ if ((NR - 1) % t == (s - 1)) print }')
          echo "Shard ${SHARD_INDEX}/${SHARD_TOTAL} will run:"
          echo "$selected"
          pattern="^($(echo "$selected" | paste -sd '|' -))$"
          go test -race -count=1 -tags=integration -timeout=15m \
            -run "$pattern" ./test/integration/...