name: Go
on:
  push:
    branches:
      - master
  pull_request:
jobs:
  build:
    name: Build on limited environment
    runs-on: ubuntu-latest
    steps:
    - name: checkout
      uses: actions/checkout@v2
    - name: build
      run: docker-compose run go-json
  test:
    name: Test
    strategy:
      matrix:
        os: [ "ubuntu-latest", "macos-latest", "windows-latest" ]
        go-version: [ "1.16", "1.17", "1.18" ]
    runs-on: ${{ matrix.os }}
    steps:
    - name: setup Go ${{ matrix.go-version }}
      uses: actions/setup-go@v2
      with:
        go-version: ${{ matrix.go-version }}
    - name: checkout
      uses: actions/checkout@v2
    - name: simple test
      run: go test -v ./... -count=1
    - name: test with GC pressure
      run: go test -v ./... -count=1
      env:
        GOGC: 1
    - name: test with race detector
      run: go test -v -race ./... -count=1
  bench:
    name: Benchmark
    runs-on: ubuntu-latest
    steps:
      - name: setup Go
        uses: actions/setup-go@v2
        with:
          go-version: 1.18
      - name: checkout ( feature )
        uses: actions/checkout@v2
      - name: run benchmark ( feature )
        run: cd benchmarks && go test -bench GoJson | tee $HOME/new.txt
      - name: install benchstat
        run: go install golang.org/x/perf/cmd/benchstat@latest
      - name: checkout ( master )
        uses: actions/checkout@v2
        with:
          ref: master
      - name: run benchmark ( master )
        run: cd benchmarks && go test -bench GoJson | tee $HOME/old.txt
      - name: compare benchmark results
        run: benchstat $HOME/old.txt $HOME/new.txt
  coverage:
    name: Coverage
    runs-on: ubuntu-latest
    steps:
      - name: setup Go
        uses: actions/setup-go@v2
        with:
          go-version: 1.18
      - name: checkout
        uses: actions/checkout@v2
      - name: measure coverage
        run: make cover
      - uses: codecov/codecov-action@v2
        with:
          fail_ci_if_error: true
          verbose: true