SystemGetInfoTest.php

<?php

namespace Drupal\Tests\system\Kernel\System;

use Drupal\KernelTests\KernelTestBase;

/**
 * Tests system_get_info().
 *
 * @group system
 * @group legacy
 */
class SystemGetInfoTest extends KernelTestBase {
    public static $modules = [
        'system',
    ];
    
    /**
     * Tests system_get_info().
     *
     * @expectedDeprecation system_get_info() is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use \Drupal::service('extension.list.module')->getExtensionInfo() or \Drupal::service('extension.list.module')->getAllInstalledInfo() instead. See https://www.drupal.org/node/2709919
     * @expectedDeprecation system_get_info() is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use \Drupal::service('extension.list.theme')->getExtensionInfo() or \Drupal::service('extension.list.theme')->getAllInstalledInfo() instead. See https://www.drupal.org/node/2709919
     */
    public function testSystemGetInfo() {
        $system_module_info = system_get_info('module', 'system');
        $this->assertSame('System', $system_module_info['name']);
        $this->assertSame([
            'path_alias' => system_get_info('module', 'path_alias'),
            'system' => $system_module_info,
        ], system_get_info('module'));
        // The User module is not installed so system_get_info() should return
        // an empty array.
        $this->assertSame([], system_get_info('module', 'user'));
        // Install the User module and check system_get_info() returns the correct
        // information.
        $this->container
            ->get('module_installer')
            ->install([
            'user',
        ]);
        $user_module_info = system_get_info('module', 'user');
        $this->assertSame('User', $user_module_info['name']);
        $this->assertSame([
            'path_alias' => system_get_info('module', 'path_alias'),
            'system' => $system_module_info,
            'user' => $user_module_info,
        ], system_get_info('module'));
        // Test theme info. There are no themes installed yet.
        $this->assertSame([], system_get_info('theme', 'stable'));
        $this->assertSame([], system_get_info('theme'));
        $this->container
            ->get('theme_installer')
            ->install([
            'stable',
        ]);
        $stable_theme_info = system_get_info('theme', 'stable');
        $this->assertSame('Stable', $stable_theme_info['name']);
        $this->assertSame([
            'stable' => $stable_theme_info,
        ], system_get_info('theme'));
    }

}