name: CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  tests:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        ruby: [2.7, 3.0]
    steps:
    - uses: actions/checkout@v2
    - name: Set up Ruby
      uses: ruby/setup-ruby@v1
      with:
        ruby-version: ${{ matrix.ruby }}
    - uses: actions/cache@v2
      with:
        path: vendor/bundle
        key: ${{ runner.os }}-${{ matrix.ruby }}-gems-${{ hashFiles('**/Gemfile.lock') }}
        restore-keys: |
          ${{ runner.os }}-${{ matrix.ruby }}-gems-
    - name: Bundle install
      run: bundle install
    - name: Run tests
      run: bundle exec rake