name: CI checks

on: [push, pull_request]

jobs:
  test:
    name: Test on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macOS-latest]

    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: 1.56.1
          override: true
      - name: Run tests
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --verbose

  bitrot:
    name: Bitrot check
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: 1.56.1
          override: true
      # Build benchmarks to prevent bitrot
      - name: Build benchmarks
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --benches

  book:
    name: Book tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: 1.56.1
          override: true
      - name: Setup mdBook
        uses: peaceiris/actions-mdbook@v1
        with:
          mdbook-version: '0.4.5'
      - name: Test Orchard book
        run: mdbook test book/

  codecov:
    name: Code coverage
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      # Use stable for this to ensure that cargo-tarpaulin can be built.
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
      - name: Install cargo-tarpaulin
        uses: actions-rs/cargo@v1
        with:
          command: install
          args: cargo-tarpaulin
      - name: Generate coverage report
        uses: actions-rs/cargo@v1
        with:
          command: tarpaulin
          args: --all-features --timeout 600 --out Xml
      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v1
        with:
          token: ${{secrets.CODECOV_TOKEN}}

  doc-links:
    name: Intra-doc links
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: 1.56.1
          override: true
      - name: cargo fetch
        uses: actions-rs/cargo@v1
        with:
          command: fetch

      # Ensure intra-documentation links all resolve correctly
      # Requires #![deny(intra_doc_link_resolution_failure)] in crates.
      - name: Check intra-doc links
        uses: actions-rs/cargo@v1
        with:
          command: doc
          args: --document-private-items

  fmt:
    name: Rustfmt
    timeout-minutes: 30
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: 1.56.1
          override: true
      - run: rustup component add rustfmt
      - uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: -- --check