name: Code Coverage Report

on:
  # Verify
  push:
    branches:
      - master
      - trunk
    paths:
      - '.github/workflows/test-coverage.yml'
      - 'phpunit.xml.dist'
      - 'tests/phpunit/multisite.xml'
  # Once daily at 00:00 UTC.
  schedule:
    - cron: '0 0 * * *'
  # Allow manually triggering the workflow.
  workflow_dispatch:

env:
  PUPPETEER_SKIP_CHROMIUM_DOWNLOAD: ${{ true }}
  COMPOSER_INSTALL: ${{ false }}
  # Controls which NPM script to use for running PHPUnit tests. Options ar `php` and `php-composer`.
  PHPUNIT_SCRIPT: php
  LOCAL_PHP: '7.4-fpm'
  LOCAL_PHP_XDEBUG: true
  LOCAL_PHP_MEMCACHED: ${{ false }}

jobs:
  # Sets up WordPress for testing or development use.
  #
  # Performs the following steps:
  # - Set environment variables.
  # - Checks out the repository.
  # - Checks out the WordPress Importer plugin (needed for the Core PHPUnit tests).
  # - Logs debug information about the runner container.
  # - Installs NodeJS 14.
  # _ Installs NPM dependencies using install-changed to hash the `package.json` file.
  # - Logs Docker debug information (about the Docker installation within the runner).
  # - Starts the WordPress Docker container.
  # - Logs debug general information.
  # - Logs the running Docker containers.
  # - Logs WordPress Docker container debug information.
  # - Logs debug information about what's installed within the WordPress Docker containers.
  # - Install WordPress within the Docker container.
  # - Run the PHPUnit tests as a single site.
  # - Ensures version-controlled files are not modified or deleted.
  # - Upload the single site code coverage report to Codecov.io.
  # - Run the PHPUnit tests as a multisite.
  # - Ensures version-controlled files are not modified or deleted.
  # - Upload the multisite code coverage report to Codecov.io.
  test-coverage-report:
    name: ${{ matrix.multisite && 'Multisite' || 'Single site' }} report
    runs-on: ubuntu-latest
    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
    strategy:
      fail-fast: false
      matrix:
        multisite: [ false, true ]

    steps:
      - name: Configure environment variables
        run: |
          echo "PHP_FPM_UID=$(id -u)" >> $GITHUB_ENV
          echo "PHP_FPM_GID=$(id -g)" >> $GITHUB_ENV

      - name: Checkout repository
        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f # v2.3.4

      - name: Log debug information
        run: |
          echo "$GITHUB_REF"
          echo "$GITHUB_EVENT_NAME"
          npm --version
          node --version
          curl --version
          git --version
          svn --version
          php --version
          php -i
          locale -a

      - name: Install NodeJS
        uses: actions/setup-node@38d90ce44d5275ad62cc48384b3d8a58c500bb5f # v2.2.2
        with:
          node-version: 14
          cache: npm

      - name: Install Dependencies
        run: npm ci

      - name: Docker debug information
        run: |
          docker -v
          docker-compose -v

      - name: Start Docker environment
        run: |
          npm run env:start

      - name: General debug information
        run: |
          npm --version
          node --version
          curl --version
          git --version
          svn --version

      - name: Log running Docker containers
        run: docker ps -a

      - name: WordPress Docker container debug information
        run: |
          docker-compose run --rm mysql mysql --version
          docker-compose run --rm php php --version
          docker-compose run --rm php php -m
          docker-compose run --rm php php -i
          docker-compose run --rm php locale -a

      - name: Install WordPress
        run: npm run env:install

      - name: Run tests as a single site
        if: ${{ ! matrix.multisite }}
        run: npm run test:${{ env.PHPUNIT_SCRIPT }} -- --verbose -c phpunit.xml.dist --coverage-clover wp-code-coverage-single-clover-${{ github.sha }}.xml

      - name: Ensure version-controlled files are not modified during the tests
        run: git diff --exit-code

      - name: Upload single site report to Codecov
        if: ${{ ! matrix.multisite }}
        uses: codecov/codecov-action@e156083f13aff6830c92fc5faa23505779fbf649 # v1.2.1
        with:
          file: wp-code-coverage-single-clover-${{ github.sha }}.xml
          flags: single,php

      - name: Run tests as a multisite install
        if: ${{ matrix.multisite }}
        run: npm run test:${{ env.PHPUNIT_SCRIPT }} -- --verbose -c tests/phpunit/multisite.xml --coverage-clover wp-code-coverage-multisite-clover-${{ github.sha }}.xml

      - name: Ensure version-controlled files are not modified during the tests
        run: git diff --exit-code

      - name: Upload multisite report to Codecov
        if: ${{ matrix.multisite }}
        uses: codecov/codecov-action@e156083f13aff6830c92fc5faa23505779fbf649 # v1.2.1
        with:
          file: wp-code-coverage-multisite-clover-${{ github.sha }}.xml
          flags: multisite,php