phpunit-test.yml

name: PHPUnit Test Runner

on:
  workflow_call:
    inputs:
      php-version:
        required: false
        type: string
        default: '8.2'
        description: 'PHP version to test against'

jobs:
  phpunit-test:
    name: PHPUnit tests (PHP ${{ inputs.php-version }})
    runs-on: blacksmith-2vcpu-ubuntu-2404
    env:
      WP_CORE_DIR: /tmp/wordpress
      WP_TESTS_DIR: /tmp/wordpress-tests-lib

    services:
      mysql:
        image: mysql:8.0
        env:
          MYSQL_ROOT_PASSWORD: root
          MYSQL_DATABASE: wordpress_test
        ports:
          - 3306:3306
        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3

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

      - name: Set up PHP
        uses: codesnippetspro/setup-php@v2
        with:
          php-version: ${{ inputs.php-version }}

      - name: Compute dependency hash
        id: deps-hash
        run: |
          set -euo pipefail
          tmpfile=$(mktemp)
          if [ -f "src/composer.lock" ]; then
            cat "src/composer.lock" >> "$tmpfile"
          fi
          if [ -f "src/composer.json" ]; then
            cat "src/composer.json" >> "$tmpfile"
          fi
          if [ -s "$tmpfile" ]; then
            deps_hash=$(shasum -a 1 "$tmpfile" | awk '{print $1}' | cut -c1-8)
          else
            deps_hash=$(echo "${GITHUB_SHA:-unknown}" | cut -c1-8)
          fi
          echo "deps_hash=$deps_hash" >> "$GITHUB_OUTPUT"

      - name: Get Composer cache
        id: composer-cache
        uses: actions/cache/restore@v4
        with:
          path: src/vendor
          key: ${{ runner.os }}-php-${{ inputs.php-version }}-composer-${{ steps.deps-hash.outputs.deps_hash }}
          restore-keys: |
            ${{ runner.os }}-php-${{ inputs.php-version }}-composer-

      - name: Install Composer dependencies
        if: steps.composer-cache.outputs.cache-hit != 'true'
        run: composer install -d src --no-progress --prefer-dist --optimize-autoloader

      - name: Save Composer cache
        if: steps.composer-cache.outputs.cache-hit != 'true'
        uses: actions/cache/save@v4
        with:
          path: src/vendor
          key: ${{ runner.os }}-php-${{ inputs.php-version }}-composer-${{ steps.deps-hash.outputs.deps_hash }}

      - name: Resolve WordPress version metadata
        id: wp-meta
        run: |
          set -euo pipefail
          wp_version=$(curl -s http://api.wordpress.org/core/version-check/1.7/ | grep -o '"version":"[^"]*' | head -1 | sed 's/"version":"//')
          if [ -z "$wp_version" ]; then
            wp_version="latest-unknown"
          fi
          echo "wp_version=$wp_version" >> "$GITHUB_OUTPUT"

      - name: Get WordPress test suite cache
        id: wp-tests-cache
        uses: actions/cache/restore@v4
        with:
          path: |
            ${{ env.WP_CORE_DIR }}
            ${{ env.WP_TESTS_DIR }}
          key: ${{ runner.os }}-php-${{ inputs.php-version }}-wp-tests-${{ hashFiles('tests/install-wp-tests.sh') }}-wp-${{ steps.wp-meta.outputs.wp_version }}

      - name: Install WordPress test suite
        run: |
          bash scripts/install-wp-tests.sh wordpress_test root root 127.0.0.1:3306 latest true

      - name: Save WordPress test suite cache
        if: steps.wp-tests-cache.outputs.cache-hit != 'true'
        uses: actions/cache/save@v4
        with:
          path: |
            ${{ env.WP_CORE_DIR }}
            ${{ env.WP_TESTS_DIR }}
          key: ${{ steps.wp-tests-cache.outputs.cache-primary-key }}

      - name: Run PHPUnit tests
        run: |
          set -euo pipefail
          mkdir -p test-results/phpunit
          cd src
          vendor/bin/phpunit -c ../phpunit.xml --testdox --log-junit ../test-results/phpunit/phpunit-${{ inputs.php-version }}.xml 2>&1 | tee ../test-results/phpunit/phpunit-${{ inputs.php-version }}.log

      - uses: actions/upload-artifact@v4
        if: always()
        with:
          name: phpunit-test-results-php-${{ inputs.php-version }}
          path: |
            src/.phpunit.result.cache
            test-results/phpunit/
          if-no-files-found: ignore
          retention-days: 2