class TextFormatterTest

class TextFormatterTest extends EntityKernelTestBase {
    
    /**
     * The entity type used in this test.
     *
     * @var string
     */
    protected $entityType = 'entity_test';
    
    /**
     * The bundle used in this test.
     *
     * @var string
     */
    protected $bundle = 'entity_test';
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'text',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        FilterFormat::create([
            'format' => 'my_text_format',
            'name' => 'My text format',
            'filters' => [
                'filter_autop' => [
                    'module' => 'filter',
                    'status' => TRUE,
                ],
            ],
        ])->save();
        FieldStorageConfig::create([
            'field_name' => 'formatted_text',
            'entity_type' => $this->entityType,
            'type' => 'text',
            'settings' => [],
        ])
            ->save();
        FieldConfig::create([
            'entity_type' => $this->entityType,
            'bundle' => $this->bundle,
            'field_name' => 'formatted_text',
            'label' => 'Filtered text',
        ])
            ->save();
    }
    
    /**
     * Tests all text field formatters.
     */
    public function testFormatters() {
        $formatters = [
            'text_default',
            'text_trimmed',
            'text_summary_or_trimmed',
        ];
        // Create the entity to be referenced.
        $entity = $this->container
            ->get('entity_type.manager')
            ->getStorage($this->entityType)
            ->create([
            'name' => $this->randomMachineName(),
        ]);
        $entity->formatted_text = [
            'value' => 'Hello, world!',
            'format' => 'my_text_format',
        ];
        $entity->save();
        foreach ($formatters as $formatter) {
            // Verify the text field formatter's render array.
            $build = $entity->get('formatted_text')
                ->view([
                'type' => $formatter,
            ]);
            \Drupal::service('renderer')->renderRoot($build[0]);
            $this->assertEqual($build[0]['#markup'], "<p>Hello, world!</p>\n");
            $this->assertEqual($build[0]['#cache']['tags'], FilterFormat::load('my_text_format')->getCacheTags(), new FormattableMarkup('The @formatter formatter has the expected cache tags when formatting a formatted text field.', [
                '@formatter' => $formatter,
            ]));
        }
    }

}