# Weekly, and on demand: the slow layers (docs/testing.md).
#
# Mutation testing is split into shards (`just mutants-* k/n`), each its
# own job, so every job ends well inside GitHub's six hours. The viewer has
# no mutation job (owner, 2026-10-18).
name: scheduled
on:
  schedule:
    - cron: "17 6 * * 1"
  workflow_dispatch:
jobs:
  prove:
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v4
      - uses: jdx/mise-action@v2
      - run: just prove
  oracle:
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v4
      - uses: jdx/mise-action@v2
      - run: just oracle
  fuzz:
    runs-on: ubuntu-24.04
    strategy:
      fail-fast: false
      matrix:
        target: [fuzz_journal_line, fuzz_entry_validate, fuzz_op_sequence, fuzz_core_serde, fuzz_store_open, fuzz_store_replay, fuzz_settings_replay, fuzz_import_csv, fuzz_config_parse]
    steps:
      - uses: actions/checkout@v4
      - uses: jdx/mise-action@v2
      - run: just fuzz ${{ matrix.target }} 600
  mutants:
    runs-on: ubuntu-24.04
    timeout-minutes: 350
    strategy:
      fail-fast: false
      matrix:
        shard: [0, 1, 2, 3, 4, 5, 6, 7]
    steps:
      - uses: actions/checkout@v4
      - uses: jdx/mise-action@v2
      - run: just mutants ${{ matrix.shard }}/8
      - if: always()
        uses: actions/upload-artifact@v4
        with:
          name: mutants-core-${{ matrix.shard }}
          path: mutants.out
  mutants-store:
    runs-on: ubuntu-24.04
    timeout-minutes: 350
    strategy:
      fail-fast: false
      matrix:
        shard: [0, 1, 2, 3]
    steps:
      - uses: actions/checkout@v4
      - uses: jdx/mise-action@v2
      - run: just mutants-store ${{ matrix.shard }}/4
      - if: always()
        uses: actions/upload-artifact@v4
        with:
          name: mutants-store-${{ matrix.shard }}
          path: mutants-store/mutants.out
  mutants-import:
    runs-on: ubuntu-24.04
    timeout-minutes: 350
    strategy:
      fail-fast: false
      matrix:
        shard: [0, 1]
    steps:
      - uses: actions/checkout@v4
      - uses: jdx/mise-action@v2
      - run: just mutants-import ${{ matrix.shard }}/2
      - if: always()
        uses: actions/upload-artifact@v4
        with:
          name: mutants-import-${{ matrix.shard }}
          path: mutants-import/mutants.out
  mutants-config:
    runs-on: ubuntu-24.04
    timeout-minutes: 350
    steps:
      - uses: actions/checkout@v4
      - uses: jdx/mise-action@v2
      - run: just mutants-config
      - if: always()
        uses: actions/upload-artifact@v4
        with:
          name: mutants-config
          path: mutants-config/mutants.out
  mutants-mcp:
    runs-on: ubuntu-24.04
    timeout-minutes: 350
    strategy:
      fail-fast: false
      matrix:
        shard: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
    steps:
      - uses: actions/checkout@v4
      - uses: jdx/mise-action@v2
      - run: just mutants-mcp ${{ matrix.shard }}/16
      - if: always()
        uses: actions/upload-artifact@v4
        with:
          name: mutants-mcp-${{ matrix.shard }}
          path: mutants-mcp/mutants.out