on:
  push:
    branches: [main]
  pull_request:
name: CI # Continuous Integration

jobs:

  test:
    name: Test Suite
    runs-on: ubuntu-latest
    strategy:
      matrix:
        otel_version:
          - opentelemetry_0_13
          - opentelemetry_0_14
          - opentelemetry_0_15
          - opentelemetry_0_16
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install Rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          override: true
      - uses: actions-rs/cargo@v1
        with:
          command: test
          args: --workspace --all-targets --features ${{ matrix.otel_version }}

  rustfmt:
    name: Rustfmt
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install Rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          override: true
          components: rustfmt
      - name: Check formatting
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    strategy:
      matrix:
        otel_version:
          - opentelemetry_0_13
          - opentelemetry_0_14
          - opentelemetry_0_15
          - opentelemetry_0_16
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install Rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          override: true
          components: clippy
      - name: Clippy check
        uses: actions-rs/cargo@v1
        with:
          command: clippy
          args: --all-targets --features ${{ matrix.otel_version }} --workspace -- -D warnings

  docs:
    name: Docs
    runs-on: ubuntu-latest
    strategy:
      matrix:
        otel_version:
          - opentelemetry_0_13
          - opentelemetry_0_14
          - opentelemetry_0_15
          - opentelemetry_0_16
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install Rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          override: true
      - name: Check documentation
        env:
          RUSTDOCFLAGS: -D warnings
        uses: actions-rs/cargo@v1
        with:
          command: doc
          args: --no-deps --document-private-items --features ${{ matrix.otel_version }} --workspace

  publish-check:
    name: Publish dry run
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          override: true
      - uses: actions-rs/cargo@v1
        with:
          command: publish
          args: --dry-run --manifest-path reqwest-middleware/Cargo.toml
      - uses: actions-rs/cargo@v1
        with:
          command: publish
          args: --dry-run --manifest-path reqwest-retry/Cargo.toml
      - uses: actions-rs/cargo@v1
        with:
          command: publish
          args: --dry-run --manifest-path reqwest-tracing/Cargo.toml

  coverage:
    name: Code coverage
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install stable toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          override: true
      - name: Run cargo-tarpaulin
        uses: actions-rs/tarpaulin@v0.1
        with:
          args: '--ignore-tests --out Lcov'
      - name: Upload to Coveralls
        # upload only if push
        if: ${{ github.event_name == 'push' }}
        uses: coverallsapp/github-action@master
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          path-to-lcov: './lcov.info'