name: CI
on:
  pull_request:
    branches:
      - v*
      - develop/*

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go_tags: [ 'stdlib', 'goccy', 'es256k', 'all']
        go: [ '1.17.x', '1.16.x' ]
    name: "Test [ Go ${{ matrix.go }} / Tags ${{ matrix.go_tags }} ]"
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Cache Go modules
        uses: actions/cache@v2
        with:
          path: |
            ~/go/pkg/mod
            ~/.cache/go-build
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-
      - name: Install Go stable version
        if: matrix.go != 'tip'
        uses: actions/setup-go@v2
        with:
          go-version: ${{ matrix.go }}
      - name: Install Go tip
        if: matrix.go == 'tip'
        run: |
          git clone --depth=1 https://go.googlesource.com/go $HOME/gotip
          cd $HOME/gotip/src
          ./make.bash
          echo "::set-env name=GOROOT::$HOME/gotip"
          echo "::add-path::$HOME/gotip/bin"
          echo "::add-path::$(go env GOPATH)/bin"
      - name: Install stringer
        run: go install golang.org/x/tools/cmd/stringer@latest
      - name: Install jose
        run: sudo apt-get install -y --no-install-recommends jose
      - run: make generate
      - name: Test with coverage
        run: make cover-${{ matrix.go_tags }}
      - name: Upload code coverage to codecov
        if: matrix.go == '1.17.x'
        uses: codecov/codecov-action@v1
        with:
          file: ./coverage.out
      - name: Check difference between generation code and commit code
        run: make check_diffs