RunTimeRequirementsTest.php

<?php

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

use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests the effectiveness of hook_runtime_requirements().
 *
 * @group system
 */
class RunTimeRequirementsTest extends KernelTestBase {
    use StringTranslationTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'system',
    ];
    
    /**
     * Tests hook_runtime_requirements() and hook_runtime_requirements_alter().
     */
    public function testRuntimeRequirements() : void {
        // Enable the test module.
        \Drupal::service('module_installer')->install([
            'module_runtime_requirements',
        ]);
        $testRequirements = [
            'title' => $this->t('RuntimeError'),
            'value' => $this->t('None'),
            'description' => $this->t('Runtime Error.'),
            'severity' => REQUIREMENT_ERROR,
        ];
        $requirements = \Drupal::service('system.manager')->listRequirements()['test.runtime.error'];
        $this->assertEquals($testRequirements, $requirements);
        $testRequirementsAlter = [
            'title' => $this->t('RuntimeWarning'),
            'value' => $this->t('None'),
            'description' => $this->t('Runtime Warning.'),
            'severity' => REQUIREMENT_WARNING,
        ];
        $requirementsAlter = \Drupal::service('system.manager')->listRequirements()['test.runtime.error.alter'];
        $this->assertEquals($testRequirementsAlter, $requirementsAlter);
    }

}