unit-test.yml

name: Unit Tests

# Since Unit Tests are required to pass for each PR,
# we cannot disable them for documentation-only changes.
on:
    pull_request:
    push:
        branches:
            - trunk
            - 'release/**'
            - 'wp/**'
    # Allow manually triggering the workflow.
    workflow_dispatch:

# Cancels all previous workflow runs for pull requests that have not completed.
concurrency:
    # The concurrency group contains the workflow name and the branch name for pull requests
    # or the commit hash for any other events.
    group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
    cancel-in-progress: true

jobs:
    unit-js:
        name: JavaScript
        runs-on: ubuntu-latest
        if: ${{ github.repository == 'WordPress/gutenberg' || github.event_name == 'pull_request' }}

        strategy:
            fail-fast: false
            matrix:
                node: ['14']

        steps:
            - uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3 # v3.5.0

            - name: Setup Node.js and install dependencies
              uses: ./.github/setup-node
              with:
                  node-version: ${{ matrix.node }}

            - name: Npm build
              # It's not necessary to run the full build, since Jest can interpret
              # source files with `babel-jest`. Some packages have their own custom
              # build tasks, however. These must be run.
              run: npx lerna run build

            - name: Running the tests
              run: npm run test:unit -- --ci --maxWorkers=2 --cacheDirectory="$HOME/.jest-cache"

            - name: Running the date tests
              run: npm run test:unit:date -- --ci --maxWorkers=2 --cacheDirectory="$HOME/.jest-cache"

    compute-previous-wordpress-version:
        name: Compute previous WordPress version
        runs-on: ubuntu-latest
        outputs:
            previous-wordpress-version: ${{ steps.get-previous-wordpress-version.outputs.previous-wordpress-version }}

        steps:
            - name: Get previous WordPress version
              id: get-previous-wordpress-version
              run: |
                  curl \
                    -H "Accept: application/json" \
                    -o versions.json \
                    "http://api.wordpress.org/core/stable-check/1.0/"
                  LATEST_WP_VERSION=$(jq --raw-output 'with_entries(select(.value=="latest"))|keys[]' versions.json)
                  IFS='.' read LATEST_WP_MAJOR LATEST_WP_MINOR LATEST_WP_PATCH <<< "${LATEST_WP_VERSION}"
                  if [[ ${LATEST_WP_MINOR} == "0" ]]; then
                    PREVIOUS_WP_SERIES="$((LATEST_WP_MAJOR - 1)).9"
                  else
                    PREVIOUS_WP_SERIES="${LATEST_WP_MAJOR}.$((LATEST_WP_MINOR - 1))"
                  fi
                  PREVIOUS_WP_VERSION=$(jq --raw-output --arg series "${PREVIOUS_WP_SERIES}" 'with_entries(select(.key|startswith($series)))|keys[-1]' versions.json)
                  echo "previous-wordpress-version=${PREVIOUS_WP_VERSION}" >> $GITHUB_OUTPUT
                  rm versions.json

    test-php:
        name: PHP ${{ matrix.php }}${{ matrix.multisite && ' multisite' || '' }}${{ matrix.wordpress != '' && format( ' (WP {0}) ', matrix.wordpress ) || '' }} on ubuntu-latest
        needs: compute-previous-wordpress-version
        runs-on: ubuntu-latest
        timeout-minutes: 20
        if: ${{ github.repository == 'WordPress/gutenberg' || github.event_name == 'pull_request' }}
        strategy:
            fail-fast: true
            matrix:
                php:
                    - '7.0'
                    - '7.1'
                    - '7.2'
                    - '7.3'
                    - '7.4'
                    - '8.0'
                    - '8.1'
                    - '8.2'
                multisite: [false, true]
                wordpress: [''] # Latest WordPress version.
                include:
                    # Test with the previous WP version.
                    - php: '5.6'
                      wordpress: ${{ needs.compute-previous-wordpress-version.outputs.previous-wordpress-version }}
                    - php: '7.4'
                      wordpress: ${{ needs.compute-previous-wordpress-version.outputs.previous-wordpress-version }}
                    - php: '8.2'
                      wordpress: ${{ needs.compute-previous-wordpress-version.outputs.previous-wordpress-version }}

        env:
            WP_ENV_PHP_VERSION: ${{ matrix.php }}
            WP_ENV_CORE: ${{ matrix.wordpress == '' && 'WordPress/WordPress' || format( 'https://wordpress.org/wordpress-{0}.zip', matrix.wordpress ) }}

        steps:
            - uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3 # v3.5.0

            - name: Setup Node.js and install dependencies
              uses: ./.github/setup-node

            ##
            # This allows Composer dependencies to be installed using a single step.
            #
            # Since the tests are currently run within the Docker containers where the PHP version varies,
            # the same PHP version needs to be configured for the action runner machine so that the correct
            # dependency versions are installed and cached.
            ##
            - name: Set up PHP
              uses: shivammathur/setup-php@d30ad8b1843ace22e6698ab99bbafaa747b6bd0d # v2.24.0
              with:
                  php-version: '${{ matrix.php }}'
                  ini-file: development
                  coverage: none

            # Ensure that Composer installs the correct versions of packages.
            - name: Override PHP version in composer.json
              run: composer config platform.php ${{ matrix.php }}

            # The spatie/phpunit-watcher package is not compatible with PHP < 7.2.
            # It must be removed before running the tests.
            - name: Remove incompatible Composer packages
              if: ${{ matrix.php < '7.2' }}
              run: composer remove spatie/phpunit-watcher --dev --no-update

            # Since Composer dependencies are installed using `composer update` and no lock file is in version control,
            # passing a custom cache suffix ensures that the cache is flushed at least once per week.
            - name: Install Composer dependencies
              uses: ramsey/composer-install@83af392bf5f031813d25e6fe4cd626cdba9a2df6 # v2.2.0
              with:
                  custom-cache-suffix: $(/bin/date -u --date='last Mon' "+%F")

            - name: Npm build
              run: npm run build

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

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

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

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

            - name: Docker container debug information
              run: |
                  npm run wp-env run tests-mysql mysql -- --version
                  npm run wp-env run tests-wordpress php -- --version
                  npm run wp-env run tests-wordpress php -m
                  npm run wp-env run tests-wordpress php -i
                  npm run wp-env run tests-wordpress /var/www/html/wp-content/plugins/gutenberg/vendor/bin/phpunit -- --version
                  npm run wp-env run tests-wordpress locale -a

            - name: Running single site unit tests
              if: ${{ ! matrix.multisite }}
              run: |
                  set -o pipefail
                  npm run test:unit:php | tee phpunit.log

            - name: Running multisite unit tests
              if: ${{ matrix.multisite }}
              run: |
                  set -o pipefail
                  npm run test:unit:php:multisite | tee phpunit.log

            # Verifies that PHPUnit actually runs in the first place. We want visibility
            # into issues which can cause it to fail silently, so we check the output
            # to verify that at least 500 tests have passed. This is an arbitrary
            # number, but makes sure a drastic change doesn't happen without us noticing.
            - name: Check number of passed tests
              run: |
                  # Note: relies on PHPUnit execution to fail on test failure.
                  # Extract the number of executed tests from the log file.
                  if ! num_tests=$(grep -Eo 'OK \([0-9]+ tests' phpunit.log) ; then
                    if ! num_tests=$(grep -Eo 'Tests: [0-9]+, Assertions:' phpunit.log) ; then
                      echo "PHPUnit failed or did not run. Check the PHPUnit output in the previous step to debug." && exit 1
                    fi
                  fi
                  # Extract just the number of tests from the string.
                  num_tests=$(echo "$num_tests" | grep -Eo '[0-9]+')
                  if [ $num_tests -lt 500 ] ; then
                    echo "Only $num_tests tests passed, which is much fewer than expected." && exit 1
                  fi
                  echo "$num_tests tests passed."

    phpcs:
        name: PHP coding standards
        runs-on: ubuntu-latest
        timeout-minutes: 20
        if: ${{ github.repository == 'WordPress/gutenberg' || github.event_name == 'pull_request' }}

        steps:
            - name: Checkout repository
              uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3 # v3.5.0

            - name: Set up PHP
              uses: shivammathur/setup-php@d30ad8b1843ace22e6698ab99bbafaa747b6bd0d # v2.24.0
              with:
                  php-version: '7.4'
                  coverage: none
                  tools: cs2pr

            # This date is used to ensure that the PHPCS cache is cleared at least once every week.
            # http://man7.org/linux/man-pages/man1/date.1.html
            - name: "Get last Monday's date"
              id: get-date
              run: echo "date=$(/bin/date -u --date='last Mon' "+%F")" >> $GITHUB_OUTPUT

            - name: Cache PHPCS scan cache
              uses: actions/cache@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8 # v3.3.1
              with:
                  path: .cache/phpcs.json
                  key: ${{ runner.os }}-date-${{ steps.get-date.outputs.date }}-phpcs-cache-${{ hashFiles('**/composer.json', 'phpcs.xml.dist') }}

            # Since Composer dependencies are installed using `composer update` and no lock file is in version control,
            # passing a custom cache suffix ensures that the cache is flushed at least once per week.
            - name: Install Composer dependencies
              uses: ramsey/composer-install@83af392bf5f031813d25e6fe4cd626cdba9a2df6 # v2.2.0
              with:
                  custom-cache-suffix: ${{ steps.get-date.outputs.date }}

            - name: Make Composer packages available globally
              run: echo "${PWD}/vendor/bin" >> $GITHUB_PATH

            - name: Run PHPCS on all Gutenberg files
              id: phpcs-gutenberg
              run: phpcs --report-full --report-checkstyle=./.cache/phpcs-report.xml

            - name: Show PHPCS results in PR
              if: ${{ always() && steps.phpcs-gutenberg.outcome == 'failure' }}
              run: cs2pr ./.cache/phpcs-report.xml

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

    # This job is deprecated but be present for compatibility reasons.
    unit-php:
        name: PHP
        runs-on: ubuntu-latest
        needs: [test-php, phpcs]
        if: ${{ always() }}
        steps:
            - name: Fail the job if the PHPUnit tests fail
              if: ${{ needs.test-php.result != 'success' }}
              run: exit 1

            - name: "Fail the job if the code doesn't conform to the coding standards"
              if: ${{ needs.phpcs.result != 'success' }}
              run: exit 1

            - name: Mark the job as passed if all the checks pass
              if: ${{ needs.test-php.result == 'success' && needs.phpcs.result == 'success' }}
              run: exit 0

    mobile-unit-js:
        name: Mobile
        runs-on: ubuntu-latest
        if: ${{ github.repository == 'WordPress/gutenberg' || github.event_name == 'pull_request' }}

        steps:
            - uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3 # v3.5.0

            - name: Setup Node.js and install dependencies
              uses: ./.github/setup-node

            - name: Npm build
              # It's not necessary to run the full build, since Jest can interpret
              # source files with `babel-jest`. Some packages have their own custom
              # build tasks, however. These must be run.
              run: npx lerna run build

            - name: Running the tests
              run: npm run native test -- --ci --maxWorkers=2 --cacheDirectory="$HOME/.jest-cache"