ci.yml

name: CI

on:
  push:
    # Ignore bors branches, since they are covered by `clippy_bors.yml`
    branches:
      - main
    # Don't run Clippy tests, when only textfiles were modified
    paths-ignore:
      - 'README'
      - 'COPYRIGHT'
      - 'LICENSE-*'
      - '**.md'
      - '**.txt'
  pull_request:
    # Don't run Clippy tests, when only textfiles were modified
    paths-ignore:
      - 'README'
      - 'COPYRIGHT'
      - 'LICENSE-*'
      - '**.md'
      - '**.txt'

env:
  CARGO_TERM_COLOR: always

jobs:
  # Check formatting
  rustfmt:
    name: rustfmt
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    - name: Install Rust
      run: rustup update stable && rustup default stable
    - name: Check formatting
      run: cargo fmt --all -- --check

  # Apply clippy lints
  clippy:
    name: clippy
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    - name: Apply clippy lints
      run: cargo clippy --all-features

  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust:
          - nightly
    steps:
      - uses: actions/checkout@v2
      - name: Install latest nightly
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.rust }}
          override: true
          components: rustfmt, clippy

      - uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - name: Run cargo check
        uses: actions-rs/cargo@v1
        with:
          command: check
  future:
    name: future
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
        run: rustup update stable --no-self-update && rustup default stable
      - name: Test
        run: cargo test --lib --features future 

  no_std:
    name: no_std
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
        run: rustup update stable --no-self-update && rustup default stable
      - name: Test
        run: cargo build --no-default-features --features alloc
  no_std_and_future:
    name: no_std & future
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
        run: rustup update stable --no-self-update && rustup default stable
      - name: Test
        run: cargo build --no-default-features --features alloc,future
  sync:
    name: sync
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
        run: rustup update stable --no-self-update && rustup default stable
      - name: Test
        run: cargo test --lib

  coverage:
    name: cargo tarpaulin
    runs-on: ubuntu-latest
    needs:
      - no_std
      - future
      - sync
      - build
      - clippy
      - rustfmt
    steps:
      - uses: actions/checkout@v3
      - name: Install latest nightly
        uses: actions-rs/toolchain@v1
        with:
          toolchain: nightly
          override: true
      - uses: actions-rs/install@v0.1
        with:
          crate: cargo-tarpaulin
          version: latest
      - name: Cache ~/.cargo
        uses: actions/cache@v3
        with:
          path: ~/.cargo
          key: ${{ runner.os }}-coverage-dotcargo
      - name: Cache cargo build
        uses: actions/cache@v3
        with:
          path: target
          key: ${{ runner.os }}-coverage-cargo-build-target
      - name: Run tarpaulin
        uses: actions-rs/cargo@v1
        with:
          command: tarpaulin
          args: --all-features --run-types tests --run-types doctests --workspace --out xml
      - name: Upload to codecov.io
        uses: codecov/codecov-action@v3.1.1
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          fail_ci_if_error: true