test.yml

name: Test

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

permissions:
  contents: read

jobs:
  test:
    name: Test
    strategy:
      matrix:
        go: [ '1.20' ]
        os: [ ubuntu-latest, macos-latest, windows-latest ]
      fail-fast: true
    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Setup Go ${{ matrix.go }}
        uses: actions/setup-go@v4
        with:
          go-version: ${{ matrix.go }}
          cache: false

      - name: Install dependencies
        run: go mod download

      - name: Run tests with coverage
        run: go test -race -cover -coverprofile="coverage.out" -covermode=atomic -v --coverpkg=./... ./...

      - name: Exclude generated code and examples from coverage
        if: matrix.os == 'ubuntu-latest'
        run: grep -Ev '/pb/|/examples/' ./coverage.out > ./coverage_filtered.out && mv -f ./coverage_filtered.out ./coverage.out

      - name: Check coverage
        if: matrix.os == 'ubuntu-latest'
        run: |
          real_coverage=$(go tool cover -func=coverage.out | grep total | awk '{print substr($3, 1, length($3)-1)}')
          min_coverage=$(cat min-coverage.txt)
          if (( $(echo "$real_coverage < $min_coverage" | bc -l) )); then
            echo "Coverage check failed: $real_coverage% is lower than the required $min_coverage%"
            exit 1
          else
            echo "Coverage check passed: $real_coverage% meets the minimum requirement of $min_coverage%"
          fi