class ContactFieldsTest

class ContactFieldsTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'contact',
    'field',
    'system',
    'text',
    'user',
    'views',
  ];
  
  /**
   * Tests the views data generation.
   */
  public function testViewsData() {
    $this->installConfig([
      'contact',
    ]);
    FieldStorageConfig::create([
      'type' => 'text',
      'entity_type' => 'contact_message',
      'field_name' => $field_name = strtolower($this->randomMachineName()),
    ])
      ->save();
    ContactForm::create([
      'id' => 'contact_message',
      'label' => 'Test contact form',
    ])->save();
    FieldConfig::create([
      'entity_type' => 'contact_message',
      'bundle' => 'contact_message',
      'field_name' => $field_name,
    ])->save();
    // Test that the field is not exposed to views, since contact_message
    // entities have no storage.
    $table_name = 'contact_message__' . $field_name;
    $data = $this->container
      ->get('views.views_data')
      ->get($table_name);
    $this->assertEmpty($data);
  }

}