continuous-integration.yml

name: "Continuous Integration"

on:
  push:
    paths-ignore:
      - '**.md'
      - 'img/**'
  pull_request:
    paths-ignore:
      - '**.md'
      - 'img/**'
  # Allow manually triggering the workflow
  workflow_dispatch:

jobs:
  tests:
    name: "CI"
    runs-on: ${{ matrix.os }}
    # We want to run on external PRs, but not on our own internal PRs as they'll be run by the push to the branch.
    if: ${{ !(github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository) }}

    strategy:
      matrix:
        php-version:
          - "7.1"
          - "7.2"
          - "7.3"
          - "7.4"
          - "8.0"
          - "8.1"
          - "8.2"
        os:
          - ubuntu-latest
          - windows-latest

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

      - name: "Install PHP"
        uses: "shivammathur/setup-php@v2"
        with:
          coverage: "none"
          ini-values: "error_reporting=-1, display_errors=On, display_startup_errors=On, zend.assertions=1"
          php-version: "${{ matrix.php-version }}"
          tools: composer:v2

      - name: Get composer cache directory
        id: composercache
        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
        shell: bash

      - name: Cache composer dependencies
        uses: actions/cache@v3
        with:
          path: ${{ steps.composercache.outputs.dir }}
          key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}
          restore-keys: |
            composer-${{ runner.os }}-${{ matrix.php-version }}-
            composer-${{ runner.os }}-
            composer-

      - name: "Install dependencies"
        run: |
          composer update --no-interaction --no-scripts --no-progress
          composer bin php-parallel-lint update --no-interaction --no-progress

      - name: "Check PHP syntax"
        run: "vendor/bin/parallel-lint src tests"

      - name: "Run tests"
        run: "vendor/bin/simple-phpunit --colors=always --testdox"

      - name: "Run Churn"
        run: "php bin/churn run src -p -vvv"

  test-vcs:
    name: "Test VCS"
    runs-on: ubuntu-latest
    # We want to run on external PRs, but not on our own internal PRs as they'll be run by the push to the branch.
    if: ${{ !(github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository) }}

    strategy:
      matrix:
        vcs:
          - fossil
          - mercurial
          - subversion

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

      - name: "Install PHP"
        uses: "shivammathur/setup-php@v2"
        with:
          coverage: "none"
          ini-values: "error_reporting=-1, display_errors=On, display_startup_errors=On, zend.assertions=1"
          php-version: "8.0"
          tools: composer:v2

      - uses: "ramsey/composer-install@v2"
        with:
          dependency-versions: "highest"
          composer-options: "--no-scripts"

      - name: "Build Docker image"
        run: "docker build -t ${{ matrix.vcs }} -f tests/docker/${{ matrix.vcs }}/Dockerfile tests/docker/${{ matrix.vcs }}"

      - name: "Run tests"
        run: |
          vcs=${{ matrix.vcs }}
          docker run -i --rm -v $PWD:/churn ${{ matrix.vcs }} /churn/vendor/bin/simple-phpunit -c /churn/phpunit.xml.dist /churn/tests/EndToEnd/${vcs^}Test.php --coverage-clover=/churn/coverage-${{ matrix.vcs }}.xml
          sed -i 's/\/churn\/src/\/home\/runner\/work\/${{ github.event.repository.name }}\/${{ github.event.repository.name }}\/src/g' coverage-${{ matrix.vcs }}.xml

      - uses: actions/upload-artifact@v3
        with:
          name: coverage
          path: ./coverage-${{ matrix.vcs }}.xml

  coverage:
    name: "Code coverage"
    runs-on: ubuntu-latest
    # Run after "test-vcs" to gather all code coverage reports
    needs: [test-vcs]

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

      - name: "Install PHP"
        uses: "shivammathur/setup-php@v2"
        with:
          coverage: "pcov"
          ini-values: "error_reporting=-1, display_errors=On, display_startup_errors=On, zend.assertions=1"
          php-version: "8.0"
          tools: composer:v2

      - uses: "ramsey/composer-install@v2"
        with:
          dependency-versions: "highest"
          composer-options: "--no-scripts"

      - name: "Calculate code coverage"
        run: "vendor/bin/simple-phpunit --colors=always --testdox --testsuite churn-tests --coverage-clover=coverage.xml"

      - name: "Download other code coverage reports"
        uses: actions/download-artifact@v3
        with:
          name: coverage
          path: ./coverage

      - name: "List all coverage reports"
        run: echo coverage_reports=./coverage/$(ls -m coverage/ | sed "s/, */,.\/coverage\//g") >> $GITHUB_ENV

      - uses: codecov/codecov-action@v3
        with:
          files: ./coverage.xml,${{ env.coverage_reports }}
          fail_ci_if_error: true
          verbose: true

  analysis:
    name: "Static Analysis"
    runs-on: ubuntu-latest
    # We want to run on external PRs, but not on our own internal PRs as they'll be run by the push to the branch.
    if: ${{ !(github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository) }}

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

      - name: "Install PHP"
        uses: "shivammathur/setup-php@v2"
        with:
          coverage: "none"
          ini-values: "error_reporting=-1, display_errors=On, display_startup_errors=On, zend.assertions=1"
          php-version: "8.0"
          tools: composer:v2, composer-normalize, composer-require-checker

      - name: "Validate composer.json"
        run: "composer validate --strict"

      - uses: "ramsey/composer-install@v2"
        with:
          dependency-versions: "highest"

      - name: "Check for PSR-4 violations"
        run: "composer dump-autoload --optimize --strict-psr --no-scripts"

      - name: "Run PHP Mess Detector"
        run: "vendor/bin/phpmd src text phpmd.xml"

      - name: "Run PHPLOC"
        run: "vendor/bin/phploc src"

      - name: "Run PHP Copy/Paste Detector"
        run: "vendor/bin/phpcpd src"

      - name: "Install PHPUnit"
        run: "vendor/bin/simple-phpunit --version"

      - name: "Run Psalm"
        run: "vendor/bin/psalm --show-info=true"

      - name: "Run PHPStan"
        run: "vendor/bin/phpstan"

      - name: "Run PHP_CodeSniffer"
        run: |
          vendor/bin/phpcs
          vendor/bin/phpcs --standard=phpcs-tests.xml

      - name: "Normalize composer.json"
        run: "composer-normalize --dry-run --no-check-lock --no-update-lock"

      - name: "Analyze Composer dependencies"
        run: "composer-require-checker check ./composer.json"

  build:
    name: "Build Phar"
    runs-on: ubuntu-latest
    # Build when everything else is ok
    needs: [tests, analysis, coverage]

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

      - name: "Install PHP"
        uses: "shivammathur/setup-php@v2"
        with:
          coverage: "none"
          ini-values: "error_reporting=-1, display_errors=On, display_startup_errors=On, zend.assertions=1"
          php-version: "8.0"
          tools: composer:v2

      - name: Get composer cache directory
        id: composercache
        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
        shell: bash

      - name: Cache composer dependencies
        uses: actions/cache@v3
        with:
          path: ${{ steps.composercache.outputs.dir }}
          key: composer-${{ runner.os }}-7.1-${{ hashFiles('composer.*') }}
          restore-keys: |
            composer-${{ runner.os }}-7.1-
            composer-${{ runner.os }}-
            composer-

      - name: "Build Phar"
        run: |
          make build
          mv build/churn.phar .

      - name: "Test Version"
        run: |
          diff -u <(build/bin/churn -V) <(./churn.phar -V)
          ./churn.phar --version | grep -E '^churn-php .+@[0-9a-z]{7}$'

      - name: "Test Phar"
        run: diff -u <(build/bin/churn --format=csv | sort) <(./churn.phar --format=csv | sort)

      - name: "Save Phar"
        uses: actions/upload-artifact@v3
        with:
          name: churn.phar
          path: ./churn.phar
          if-no-files-found: error

  tests-phar-oldphp:
    name: "Test Phar error message with PHP ${{ matrix.php-version }}"
    runs-on: ubuntu-latest
    # We need the phar file
    needs: [build]

    strategy:
      matrix:
        php-version:
          - "7.0"
          - "5.6"
          - "5.5"
          - "5.4"
          - "5.3"

    steps:
      - name: "Install PHP"
        uses: "shivammathur/setup-php@v2"
        with:
          coverage: "none"
          ini-values: "error_reporting=-1, display_errors=On, display_startup_errors=On, zend.assertions=1"
          php-version: ${{ matrix.php-version }}
          tools: none

      - name: Download churn.phar
        uses: actions/download-artifact@v3
        with:
          name: churn.phar

      - name: Make churn.phar executable
        run: chmod +x churn.phar

      - name: Test churn.phar error message
        run: |
          php -r "passthru('./churn.phar', \$code); if (\$code !== 1) exit('Invalid error code. Expected 1, got ' . \$code);" &> error
          echo "Error code is OK. Now testing error message..."
          grep 'The application requires the version ">=7.1.3" or greater' error
          echo "Everything is OK."


  tests-phar:
    name: "Test Phar with PHP ${{ matrix.php-version }}"
    runs-on: ubuntu-latest
    # We need the phar file
    needs: [build]

    strategy:
      matrix:
        php-version:
          - "7.1"
          - "8.1"

    steps:
      - name: "Checkout"
        uses: "actions/checkout@v3"
        with:
          fetch-depth: 0

      - name: "Install PHP"
        uses: "shivammathur/setup-php@v2"
        with:
          coverage: "none"
          ini-values: "error_reporting=-1, display_errors=On, display_startup_errors=On, zend.assertions=1"
          php-version: ${{ matrix.php-version }}
          tools: none

      - name: Download churn.phar
        uses: actions/download-artifact@v3
        with:
          name: churn.phar

      - name: Make churn.phar executable
        run: chmod +x churn.phar

      - name: "Run Phar"
        run: ./churn.phar --format=markdown >> $GITHUB_STEP_SUMMARY