test.yml

name: Java CI with Maven

on:
  push:
  pull_request:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4

    - uses: actions/setup-java@v4.2.1
      with:
        distribution: 'temurin'
        java-version: '17'
        cache: 'maven'

    - name: Build and Test with Maven - Default Configuration
      timeout-minutes: 15
      run: |
        ./mvnw -B verify

    - name: Get JaCoCo Coverage - Default configuration
      id: coverage_default  
      run: |
        coverage=$(python3 config/coverage.py target/site/jacoco/jacoco.csv) 
        echo "COVERAGE=$coverage" >> $GITHUB_ENV

    - name: Fail if coverage has not improved for default configuration.
      run: |
        coverage=$COVERAGE
        threshold=24.46
        if (( $(echo "$coverage - $threshold <= 0.1" | bc -l) )); then
          echo "Coverage is not improved for default configuration."
          exit 1
        else
          echo "New coverage: $coverage%. Coverage is improved for default configuration!"
        fi

    ###################################################################################
    # - name: Build and Test with Maven - Print default flags
    #   timeout-minutes: 15
    #   run: |
    #     echo "Printing default flags."
    #     export MAVEN_OPTS="-XX:+PrintFlagsFinal"
    #     ./mvnw -B verify
    #     unset MAVEN_OPTS

    ###################################################################################
    - name: Build and Test with Maven - Configuration 1
      timeout-minutes: 15
      run: |
        echo "Configuration 1 - Test build with change of garbage collection type."
        export MAVEN_OPTS="-XX:+UseSerialGC"
        ./mvnw -B verify
        unset MAVEN_OPTS

    - name: Get JaCoCo Coverage - Configuration 1
      id: coverage_config1  
      run: |
        coverage=$(python3 config/coverage.py target/site/jacoco/jacoco.csv) 
        echo "COVERAGE=$coverage" >> $GITHUB_ENV

    - name: Fail if coverage has not improved for configuration 1.
      run: |
        coverage=$COVERAGE
        threshold=24.46
        if (( $(echo "$coverage - $threshold <= 0.1" | bc -l) )); then
          echo "Coverage is not improved for configuration 1."
          exit 1
        else
          echo "New coverage: $coverage%. Coverage is improved for configuration 1!"
        fi

    ###################################################################################
    - name: Build and Test with Maven - Configuration 2
      timeout-minutes: 15
      run: |
        echo "Configuration 2 - Test build with reduced heap size."
        export MAVEN_OPTS="-XX:MaxHeapSize=2G -XX:MinHeapSize=4M"
        ./mvnw -B verify
        unset MAVEN_OPTS

    - name: Get JaCoCo Coverage - Configuration 2
      id: coverage_config2  
      run: |
        coverage=$(python3 config/coverage.py target/site/jacoco/jacoco.csv) 
        echo "COVERAGE=$coverage" >> $GITHUB_ENV

    - name: Fail if coverage has not improved for configuration 2.
      run: |
        coverage=$COVERAGE
        threshold=24.46
        if (( $(echo "$coverage - $threshold <= 0.1" | bc -l) )); then
          echo "Coverage is not improved for configuration 2."
          exit 1
        else
          echo "New coverage: $coverage%. Coverage is improved for configuration 2!"
        fi

    ###################################################################################
    - name: Build and Test with Maven - Configuration 3
      timeout-minutes: 15
      run: |
        echo "Configuration 3 - Test build with 1 cpu core available for multithreading."
        export MAVEN_OPTS="-XX:ActiveProcessorCount=1"
        ./mvnw -B verify
        unset MAVEN_OPTS

    - name: Get JaCoCo Coverage - Configuration 3
      id: coverage_config3  
      run: |
        coverage=$(python3 config/coverage.py target/site/jacoco/jacoco.csv) 
        echo "COVERAGE=$coverage" >> $GITHUB_ENV

    - name: Fail if coverage has not improved for configuration 3.
      run: |
        coverage=$COVERAGE
        threshold=24.46
        if (( $(echo "$coverage - $threshold <= 0.1" | bc -l) )); then
          echo "Coverage is not improved for configuration 3."
          exit 1
        else
          echo "New coverage: $coverage%. Coverage is improved for configuration 3!"
        fi

    ###################################################################################
    - name: Build and Test with Maven - Configuration 4
      timeout-minutes: 15
      run: |
        echo "Configuration 4 - Test build with compressed object pointers disabled."
        export MAVEN_OPTS="-XX:-UseCompressedOops"
        ./mvnw -B verify
        unset MAVEN_OPTS

    - name: Get JaCoCo Coverage - Configuration 4
      id: coverage_config4  
      run: |
        coverage=$(python3 config/coverage.py target/site/jacoco/jacoco.csv) 
        echo "COVERAGE=$coverage" >> $GITHUB_ENV

    - name: Fail if coverage has not improved for configuration 4.
      run: |
        coverage=$COVERAGE
        threshold=24.46
        if (( $(echo "$coverage - $threshold <= 0.1" | bc -l) )); then
          echo "Coverage is not improved for configuration 4."
          exit 1
        else
          echo "New coverage: $coverage%. Coverage is improved for configuration 4!"
        fi

    ###################################################################################
    - name: Build and Test with Maven - Configuration 5
      timeout-minutes: 15
      run: |
        echo "Configuration 5 - Test build with tiered compilation disabled."
        export MAVEN_OPTS="-XX:-TieredCompilation"
        ./mvnw -B verify
        unset MAVEN_OPTS

    - name: Get JaCoCo Coverage - Configuration 5
      id: coverage_config5  
      run: |
        coverage=$(python3 config/coverage.py target/site/jacoco/jacoco.csv) 
        echo "COVERAGE=$coverage" >> $GITHUB_ENV

    - name: Fail if coverage has not improved for configuration 5.
      run: |
        coverage=$COVERAGE
        threshold=24.46
        if (( $(echo "$coverage - $threshold <= 0.1" | bc -l) )); then
          echo "Coverage is not improved for configuration 5."
          exit 1
        else
          echo "New coverage: $coverage%. Coverage is improved for configuration 5!"
          echo "
                                            |>>>
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                                        ||:   |
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                                        ||:   |       \\,/
                                        ||: , |            /\`\\
                                        ||:   |
                                        ||: . |
                                  __   ||: , |    __
                              __  |;;|  ||:   |   |;;|  __
                              |;;| |;;|  ||:.  |   |;;| |;;|

                                    FORTRESS SECURED!
                                    ALL TESTS PASSED!
                              "
        fi