name: CI

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master
  schedule:
    - cron: '00 01 * * *'
env:
  RUST_BACKTRACE: 1
jobs:
  test:
    name: Test

    strategy:
      fail-fast: false

      matrix:
        platform:
          - { target: x86_64-pc-windows-msvc, os: windows-latest }
          - { target: x86_64-unknown-linux-gnu, os: ubuntu-latest }
          - { target: x86_64-apple-darwin, os: macos-latest }
          - { target: x86_64-pc-windows-gnu, os: windows-latest, host: -x86_64-pc-windows-gnu }

    runs-on: ${{ matrix.platform.os }}

    steps:
      - uses: actions/checkout@v2
      # This has a matcher for test panics, so we use it even though elsewhere
      # we use actions-rs/toolchain.
      - uses: hecrj/setup-rust-action@v1
        with:
          rust-version: stable${{ matrix.platform.host }}
          targets: ${{ matrix.platform.target }}

      - uses: actions-rs/cargo@v1
        with:
          command: build
          args: --features bundled --workspace --all-targets

      - uses: actions-rs/cargo@v1
        with:
          command: test
          args: --features bundled --workspace --all-targets

      - name: "cargo test --features 'bundled-full session buildtime_bindgen'"
        # TODO: clang is installed on these -- but `bindgen` can't find it...
        if: matrix.platform.os != 'windows-latest'
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --features 'bundled-full session buildtime_bindgen' --all-targets --workspace

      - name: "cargo test --doc --features 'bundled-full session buildtime_bindgen'"
        # TODO: clang is installed on these -- but `bindgen` can't find it...
        if: matrix.platform.os != 'windows-latest'
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --features 'bundled-full session buildtime_bindgen' --doc --workspace

      - name: "cargo test --features bundled-full"
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --features bundled-full --all-targets --workspace

      - name: Static build
        # Do we expect this to work / should we test with gnu toolchain?
        if: matrix.platform.os == 'x86_64-pc-windows-msvc'
        shell: cmd
        run: |
          set RUSTFLAGS=-Ctarget-feature=+crt-static
          cargo build --features bundled

  sanitizer:
    name: Address Sanitizer
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      # Need nightly rust.
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: nightly
          override: true
          components: rust-src
      - name: Tests with asan
        env:
          RUSTFLAGS: -Zsanitizer=address
          RUSTDOCFLAGS: -Zsanitizer=address
          ASAN_OPTIONS: 'detect_stack_use_after_return=1'
          # Work around https://github.com/rust-lang/rust/issues/59125 by
          # disabling backtraces. In an ideal world we'd probably suppress the
          # leak sanitization, but we don't care about backtraces here, so long
          # as the other tests have them.
          RUST_BACKTRACE: '0'
        run: cargo -Z build-std test --features 'bundled-full session buildtime_bindgen with-asan' --target x86_64-unknown-linux-gnu

  # Ensure clippy doesn't complain.
  clippy:
    name: Clippy
    strategy:
      fail-fast: false
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
      - run: rustup component add clippy
      - uses: actions-rs/cargo@v1
        with:
          command: clippy
          # clippy with just bundled
          args: --all-targets --workspace --features bundled -- -D warnings
      - uses: actions-rs/cargo@v1
        with:
          command: clippy
          # Clippy with all non-conflicting features
          args: --all-targets --workspace --features 'bundled-full session buildtime_bindgen' -- -D warnings

  # Ensure patch is formatted.
  fmt:
    name: Format
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      # This has a matcher for rustfmt errors, so we use it even though
      # elsewhere we use actions-rs/toolchain.
      - uses: hecrj/setup-rust-action@v1
        with:
          rust-version: stable
          components: rustfmt
      - run: rustup component add rustfmt
      - uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

  # Detect cases where documentation links don't resolve and such.
  doc:
    name: Docs
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          # Docs.rs uses nightly, which allows for easier syntax for linking to functions.
          toolchain: nightly
          override: true
      - uses: actions-rs/cargo@v1
        with:
          # Need to use `cargo rustdoc` to actually get it to respect -D
          # warnings... Note: this also requires nightly.
          command: rustdoc
          args: --features 'bundled-full session buildtime_bindgen' -- -D warnings

  codecov:
    name: Generate code coverage
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true

      - name: Run cargo-tarpaulin
        uses: actions-rs/tarpaulin@v0.1
        with:
          args: '--features "bundled-full session buildtime_bindgen"'

      - name: Upload to codecov.io
        uses: codecov/codecov-action@v1