name: Tests

on: [pull_request, push]

jobs:
  test:
    name: Test

    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        build:
          [
            linux-stable,
            macos-stable,
            windows-stable,
          ]
        include:
          - build: linux-stable
            os: ubuntu-latest
            rust: stable
          - build: macos-stable
            os: macos-latest
            rust: stable
          - build: windows-stable
            os: windows-latest
            rust: stable

    steps:
      - uses: actions/checkout@v2

      - name: Cache Cargo registry
        uses: actions/cache@v1
        with:
          path: ~/.cargo/registry
          key: ${{ matrix.build }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ matrix.build }}-cargo-registry-

      - name: Cache Cargo index
        uses: actions/cache@v1
        with:
          path: ~/.cargo/git
          key: ${{ matrix.build }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ matrix.build }}-cargo-index-

      - name: Cache Cargo build
        uses: actions/cache@v1
        with:
          path: target
          key: ${{ matrix.build }}-target-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ matrix.build }}-target-

      - name: Install Rust
        run: |
          rustup update ${{ matrix.rust }} --no-self-update
          rustup default ${{ matrix.rust }}

      - name: Run Tests
        run: cargo test --verbose
        env:
          RUST_BACKTRACE: 1