PhpRequirementTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\system\Functional\System;

use Drupal\Core\Utility\PhpRequirements;
use Drupal\Tests\BrowserTestBase;
use Drupal\Tests\RequirementsPageTrait;

/**
 * Tests the output of PHP requirements on the status report.
 *
 * @group system
 */
class PhpRequirementTest extends BrowserTestBase {
    use RequirementsPageTrait;
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $admin_user = $this->drupalCreateUser([
            'administer site configuration',
            'access site reports',
        ]);
        $this->drupalLogin($admin_user);
        // By default, Drupal installation (and BrowserTestBase) do not configure
        // trusted host patterns, which leads to an error on the status report.
        // Configure them so that the site is properly configured and so that we
        // can cleanly test the errors related to PHP versions.
        $settings['settings']['trusted_host_patterns'] = (object) [
            'value' => [
                '^' . preg_quote(\Drupal::request()->getHost()) . '$',
            ],
            'required' => TRUE,
        ];
        $this->writeSettings($settings);
    }
    
    /**
     * Tests status report messages regarding the PHP version.
     */
    public function testStatusPage() : void {
        $minimum_php_version = PhpRequirements::getMinimumSupportedPhp();
        // Go to Administration.
        $this->drupalGet('admin/reports/status');
        $this->assertSession()
            ->statusCodeEquals(200);
        $phpversion = phpversion();
        // Verify that the PHP version is shown on the page.
        $this->assertSession()
            ->pageTextContains($phpversion);
        // Verify that an error is displayed about the PHP version if it is below
        // the minimum supported PHP.
        if (version_compare($phpversion, $minimum_php_version) < 0) {
            $this->assertErrorSummaries([
                'PHP',
            ]);
            $this->assertSession()
                ->pageTextContains('Your PHP installation is too old. Drupal requires at least PHP ' . $minimum_php_version);
        }
        else {
            $this->assertSession()
                ->pageTextNotContains('Your PHP installation is too old. Drupal requires at least PHP ' . $minimum_php_version);
            $this->assertSession()
                ->pageTextNotContains('Errors found');
        }
        // There should be an informational message if the PHP version is below the
        // recommended version.
        if (version_compare($phpversion, \Drupal::RECOMMENDED_PHP) < 0) {
            $this->assertSession()
                ->pageTextContains('It is recommended to upgrade to PHP version ' . \Drupal::RECOMMENDED_PHP . ' or higher');
        }
        else {
            $this->assertSession()
                ->pageTextNotContains('It is recommended to upgrade to PHP version ' . \Drupal::RECOMMENDED_PHP . ' or higher');
        }
    }

}