class FieldGroupRowsWebTest

class FieldGroupRowsWebTest extends ViewTestBase {
  
  /**
   * Views used by this test.
   *
   * @var array
   */
  public static $testViews = [
    'test_group_rows',
    'test_ungroup_rows',
  ];
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'node',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * The page node type.
   *
   * @var \Drupal\node\NodeTypeInterface
   */
  protected $nodeType;
  
  /**
   * The used field name in the test.
   *
   * @var string
   */
  protected $fieldName;
  
  /**
   * The field storage.
   *
   * @var \Drupal\field\Entity\FieldStorageConfig
   */
  protected $fieldStorage;
  
  /**
   * The field config.
   *
   * @var \Drupal\field\Entity\FieldConfig
   */
  protected $field;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp($import_test_views = TRUE, $modules = [
    'views_test_config',
  ]) : void {
    parent::setUp($import_test_views, $modules);
    // Create content type with unlimited text field.
    $this->nodeType = $this->drupalCreateContentType([
      'type' => 'page',
      'name' => 'Basic page',
    ]);
    // Create the unlimited text field.
    $this->fieldName = 'field_views_testing_group_rows';
    $this->fieldStorage = FieldStorageConfig::create([
      'field_name' => $this->fieldName,
      'entity_type' => 'node',
      'type' => 'text',
      'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
    ]);
    $this->fieldStorage
      ->save();
    // Create an instance of the text field on the content type.
    $this->field = FieldConfig::create([
      'field_storage' => $this->fieldStorage,
      'bundle' => $this->nodeType
        ->id(),
    ]);
    $this->field
      ->save();
    $edit = [
      'title' => $this->randomMachineName(),
      $this->fieldName => [
        'a',
        'b',
        'c',
      ],
    ];
    $this->drupalCreateNode($edit);
  }
  
  /**
   * Testing when "Display all values in the same row" is checked.
   */
  public function testGroupRows() {
    $this->drupalGet('test-group-rows');
    $result = $this->cssSelect('div.views-field-field-views-testing-group- div');
    $rendered_value = [];
    foreach ($result as $row) {
      $rendered_value[] = $row->getText();
    }
    $this->assertEquals([
      'a, b, c',
    ], $rendered_value);
  }
  
  /**
   * Testing when "Display all values in the same row" is unchecked.
   */
  public function testUngroupedRows() {
    $this->drupalGet('test-ungroup-rows');
    $result = $this->cssSelect('div.views-field-field-views-testing-group- div');
    $rendered_value = [];
    foreach ($result as $row) {
      $rendered_value[] = $row->getText();
    }
    $this->assertEquals([
      'a',
      'b',
      'c',
    ], $rendered_value);
  }

}