name: Haskell CI

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

jobs:
  build:

    runs-on: ubuntu-latest
    strategy:
      matrix:
        cabal: ["3.4.1.0"]
        ghc: ["8.6", "8.8", "8.10", "9.0"]
    steps:
    - uses: actions/checkout@v2
      with:
        submodules: 'recursive'  
    - uses: haskell/actions/setup@v1
      with:
        ghc-version: ${{ matrix.ghc }}
        cabal-version: ${{ matrix.cabal }}

    - name: Cache
      uses: actions/cache@v1
      env:
        cache-name: cache-cabal
      with:
        path: ~/.cabal
        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/*.cabal') }}-${{ hashFiles('**/cabal.project') }}
        restore-keys: |
          ${{ runner.os }}-build-${{ env.cache-name }}-
          ${{ runner.os }}-build-
          ${{ runner.os }}-

    - name: Install dependencies
      run: |
        cabal update
        cabal build --only-dependencies --enable-tests --enable-benchmarks
    - name: Build
      run: cabal v2-build --enable-tests all
    - name: Run hspec tests
      run: cabal v2-test spec --test-option=--color --test-show-details=streaming