ConfigExportTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\config\FunctionalJavascript;

use Drupal\FunctionalJavascriptTests\WebDriverTestBase;
use Drupal\Tests\block_content\Traits\BlockContentCreationTrait;

/**
 * Tests the config export form.
 *
 * @group config
 */
class ConfigExportTest extends WebDriverTestBase {
  use BlockContentCreationTrait;
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'config',
    'system',
    'block',
    'block_content',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * @var string
   *  A prefix string used in naming the test blocks.
   */
  protected string $blockNamePrefix = 'aaaaaa_config_export_test_block';
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->drupalLogin($this->drupalCreateUser([
      'administer blocks',
      'access block library',
      'administer block types',
      'administer block content',
    ]));
    // Create test blocks, so we know what the titles will be to check their
    // order.
    foreach ([
      1,
      2,
      3,
      4,
    ] as $num) {
      $block_name = $this->blockNamePrefix . $num;
      $new_block = $this->createBlockContent($block_name);
      $this->drupalPlaceBlock('block_content:' . $new_block->uuid(), [
        'id' => $block_name,
        'label' => $this->randomMachineName(),
        'theme' => $this->defaultTheme,
        'region' => 'sidebar_first',
      ]);
    }
  }
  
  /**
   * Tests Ajax form functionality on the config export page.
   */
  public function testAjaxOnExportPage() : void {
    $this->drupalLogin($this->drupalCreateUser([
      'export configuration',
      'administer blocks',
    ]));
    $page = $this->getSession()
      ->getPage();
    // Check that the export is empty on load.
    $this->drupalGet('admin/config/development/configuration/single/export');
    $this->assertTrue($this->assertSession()
      ->optionExists('edit-config-name', '- Select -')
      ->isSelected());
    $this->assertSession()
      ->fieldValueEquals('export', '');
    // Check that the export is filled when selecting a config name.
    $page->selectFieldOption('config_name', 'system.site');
    $this->assertSession()
      ->assertWaitOnAjaxRequest();
    $this->assertSession()
      ->fieldValueNotEquals('export', '');
    // Check that the export is empty when selecting "- Select -" option in
    // the config name.
    $page->selectFieldOption('config_name', '- Select -');
    $this->assertSession()
      ->assertWaitOnAjaxRequest();
    $this->assertSession()
      ->fieldValueEquals('export', '');
    // Check that the export is emptied again when selecting a config type.
    $page->selectFieldOption('config_type', 'Action');
    $this->assertSession()
      ->assertWaitOnAjaxRequest();
    $this->assertSession()
      ->fieldValueEquals('export', '');
    // Check that the 'Configuration name' list is sorted alphabetically by ID,
    // which always begins with our prefix, and not the label, which is
    // randomized.
    $page->selectFieldOption('config_type', 'Block');
    $this->assertSession()
      ->assertWaitOnAjaxRequest();
    $options = $page->findField('config_name')
      ->findAll('css', 'option');
    foreach ([
      1,
      2,
      3,
      4,
    ] as $num) {
      $block_name = $this->blockNamePrefix . $num;
      $this->assertStringStartsWith($block_name, $options[$num]->getText());
      $this->assertEquals($block_name, $options[$num]->getValue());
    }
  }

}