name: CI

on:
  push:
    branches:
    - master
  pull_request: {}

jobs:
  test-workspace:

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

    strategy:
      matrix:
        os: [ubuntu-18.04, windows-2019, macOS-10.14]
        rust: [stable, nightly]

    steps:
      - name: Checkout code
        uses: actions/checkout@v1
      - name: Install rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.rust }}
          override: true
      - name: Build
        uses: actions-rs/cargo@v1
        with:
          command: check
          args: --verbose
      - name: Run tests
        uses: actions-rs/cargo@v1
        env:
          CI: 'True'
          RUSTFLAGS: '-D warnings'
        with:
          command: test
          args: --verbose

  test:

    runs-on: ubuntu-latest

    strategy:
      matrix:
        crate:
          - tower
          - tower-balance
          - tower-buffer
          - tower-discover
          - tower-filter
          - tower-hedge
          - tower-layer
          - tower-limit
          - tower-load
          - tower-load-shed
          - tower-make
          - tower-ready-cache
          - tower-reconnect
          - tower-retry
          - tower-service
          - tower-spawn-ready
          - tower-test
          - tower-timeout
          - tower-util

    steps:
      - name: Checkout code
        uses: actions/checkout@v1
      - name: Install rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
      - name: Patch
        run: |
          set -e
          # Remove any existing patch statements
          mv Cargo.toml Cargo.toml.bck
          sed -n '/\[patch.crates-io\]/q;p' Cargo.toml.bck > Cargo.toml
          # Patch all crates
          cat .github/workflows/patch.toml >> Cargo.toml
          # Print `Cargo.toml` for debugging
          echo "~~~~ Cargo.toml ~~~~"
          cat Cargo.toml
          echo "~~~~~~~~~~~~~~~~~~~~"
      - name: Build
        uses: actions-rs/cargo@v1
        with:
          command: check
          args: -p ${{ matrix.crate }} --verbose
      - name: Run tests
        uses: actions-rs/cargo@v1
        env:
          CI: 'True'
          RUSTFLAGS: '-D warnings'
        with:
          command: test
          args: -p ${{ matrix.crate }} --verbose

  rustfmt:

    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v1
      - name: Ensure that rustfmt is installed
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          components: rustfmt
      - name: Run rustfmt
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

# This is failing, because it finds errors...
#  clippy_check:
#
#    runs-on: ubuntu-latest
#
#    steps:
#      - name: Checkout code
#        uses: actions/checkout@v1
#      - name: Ensure that clippy is installed
#        uses: actions-rs/toolchain@v1
#        with:
#          toolchain: nightly
#          override: true
#          components: clippy
#      - name: Run clippy
#        uses: actions-rs/clippy-check@v1
#        with:
#          token: ${{ secrets.GITHUB_TOKEN }}
#          args: --all-targets --all-features