coverage.yml

name: Code Coverage

on:
  push:
    branches:
      - master
      - main
  pull_request:
    branches:
      - master
      - main
      - develop

jobs:
  coverage:
    name: Code Coverage Report
    runs-on: ubuntu-latest
    
    services:
      postgres:
        image: postgres:15
        env:
          POSTGRES_USER: testuser
          POSTGRES_PASSWORD: testpass
          POSTGRES_DB: nodebyte_test
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432
      
      redis:
        image: redis:7
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 6379:6379

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: '1.24'
          cache: true

      - name: Wait for PostgreSQL
        run: |
          until pg_isready -h localhost -p 5432 -U testuser; do
            echo 'waiting for postgres...'
            sleep 1
          done
        env:
          PGPASSWORD: testpass

      - name: Generate coverage report
        run: go test -v -race -coverprofile=coverage.out -covermode=atomic ./...
        env:
          DATABASE_URL: "postgres://testuser:testpass@localhost:5432/nodebyte_test?sslmode=disable"
          REDIS_URL: "redis://localhost:6379"
          ENCRYPTION_KEY: "test-encryption-key-32-bytes-long!"

      - name: Convert coverage to HTML
        run: |
          go install github.com/mattn/goveralls@latest
          go tool cover -html=coverage.out -o coverage.html

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v3
        with:
          files: ./coverage.out
          flags: unittests
          name: codecov-umbrella
          fail_ci_if_error: false
          verbose: true

      - name: Upload coverage HTML
        uses: actions/upload-artifact@v4
        with:
          name: coverage-report
          path: coverage.html
          retention-days: 30

      - name: Generate coverage summary
        run: |
          COVERAGE=$(go tool cover -func=coverage.out | grep total | awk '{print $3}')
          echo "## Code Coverage Report" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "**Total Coverage:** $COVERAGE" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "[View Full Report](coverage.html)" >> $GITHUB_STEP_SUMMARY

      - name: Comment coverage on PR
        if: github.event_name == 'pull_request'
        uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs');
            const coverage = require('child_process')
              .execSync('go tool cover -func=coverage.out | grep total | awk \'{print $3}\'')
              .toString()
              .trim();
            
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: `📊 **Code Coverage Report**\n\n**Total Coverage:** ${coverage}\n\n[View Full Report](coverage.html)`
            });

      - name: Check coverage threshold
        run: |
          COVERAGE=$(go tool cover -func=coverage.out | grep total | awk '{print $3}' | sed 's/%//')
          THRESHOLD=30
          echo "Coverage: ${COVERAGE}%"
          echo "Threshold: ${THRESHOLD}%"
          if (( $(echo "$COVERAGE < $THRESHOLD" | bc -l) )); then
            echo "⚠️ Coverage below threshold (${COVERAGE}% < ${THRESHOLD}%)"
            exit 1
          fi