ci.yml

name: Java CI with LOC Counting

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

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      # Checkout code
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Cache Maven dependencies
        uses: actions/cache@v2
        with:
          path: ~/.m2/repository
          key: ${{ runner.os }}-maven-${{ hashFiles('**/*.java') }}
          restore-keys: |
            ${{ runner.os }}-maven-

      - name: Build with Maven
        run: mvn clean install

      - name: Run Checkstyle
        run: mvn checkstyle:check

      - name: Count Lines of Code
        run: |
          sudo apt-get update
          sudo apt-get install -y cloc
          cloc --exclude-dir=target --quiet .  # Exclude 'target' directory to avoid counting compiled files

      - name: Measure Java Application Metrics
        run: |
          # Install jq for parsing JSON results (ensure it's installed)
          sudo apt-get install -y jq

          # Run tests and capture the output
          mvn test | tee result.log

          # Extract total test execution time in seconds (use the proper regex)
          test_duration=$(grep -oP 'Total time: \K[0-9.]+' result.log)
          echo "Test Execution Time: $test_duration seconds"

          # Extract error rate (failed tests)
          failed_tests=$(grep -c 'FAILURE' result.log)
          total_tests=$(grep -c 'Tests run' result.log)
          if [[ $total_tests -gt 0 ]]; then
            error_rate=$(echo "scale=2; $failed_tests / $total_tests * 100" | bc)
          else
            error_rate=0
          fi
          echo "Error Rate: $error_rate%"

          # Extract throughput (tests per second)
          if [[ $test_duration > 0 ]]; then
            throughput=$(echo "scale=2; $total_tests / $test_duration" | bc)
          else
            throughput=0
          fi
          echo "Throughput: $throughput tests per second"

          # Measure memory usage with JVM options during test run
          echo "Memory Usage (heap size):"
          jps -v | grep 'java'

          # Check method call count (assuming logging is implemented for call count)
          call_count=$(grep -o 'methodCallCount' result.log | wc -l)
          echo "Call Count: $call_count"

      - name: Upload test results to GitHub
        uses: actions/upload-artifact@v3
        with:
          name: test-results
          path: result.log