class FieldGroupRowsWebTest

class FieldGroupRowsWebTest extends ViewTestBase {
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_group_rows',
        'test_ungroup_rows',
    ];
    
    /**
     * {@inheritdoc}
     */
    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() : void {
        $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() : void {
        $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);
    }

}