class NormalizerTestBase

abstract class NormalizerTestBase extends KernelTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'entity_test',
        'field',
        'hal',
        'language',
        'serialization',
        'system',
        'text',
        'user',
        'filter',
    ];
    
    /**
     * The mock serializer.
     *
     * @var \Symfony\Component\Serializer\Serializer
     */
    protected $serializer;
    
    /**
     * The format being tested.
     *
     * @var string
     */
    protected $format = 'hal_json';
    
    /**
     * The class name of the test class.
     *
     * @var string
     */
    protected $entityClass = 'Drupal\\entity_test\\Entity\\EntityTest';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->installEntitySchema('user');
        $this->installEntitySchema('entity_test');
        // If the concrete test sub-class installs the Node or Comment modules,
        // ensure that the node and comment entity schema are created before the
        // field configurations are installed. This is because the entity tables
        // need to be created before the body field storage tables. This prevents
        // trying to create the body field tables twice.
        $class = static::class;
        while ($class) {
            if (property_exists($class, 'modules')) {
                // Only check the modules, if the $modules property was not inherited.
                $rp = new \ReflectionProperty($class, 'modules');
                if ($rp->class == $class) {
                    foreach (array_intersect([
                        'node',
                        'comment',
                    ], $class::$modules) as $module) {
                        $this->installEntitySchema($module);
                    }
                }
            }
            $class = get_parent_class($class);
        }
        $this->installConfig([
            'field',
            'language',
        ]);
        // Add German as a language.
        ConfigurableLanguage::create([
            'id' => 'de',
            'label' => 'Deutsch',
            'weight' => -1,
        ])->save();
        // Create the test text field.
        FieldStorageConfig::create([
            'field_name' => 'field_test_text',
            'entity_type' => 'entity_test',
            'type' => 'text',
        ])->save();
        FieldConfig::create([
            'entity_type' => 'entity_test',
            'field_name' => 'field_test_text',
            'bundle' => 'entity_test',
            'translatable' => FALSE,
        ])->save();
        // Create the test translatable field.
        FieldStorageConfig::create([
            'field_name' => 'field_test_translatable_text',
            'entity_type' => 'entity_test',
            'type' => 'text',
        ])->save();
        FieldConfig::create([
            'entity_type' => 'entity_test',
            'field_name' => 'field_test_translatable_text',
            'bundle' => 'entity_test',
            'translatable' => TRUE,
        ])->save();
        // Create the test entity reference field.
        FieldStorageConfig::create([
            'field_name' => 'field_test_entity_reference',
            'entity_type' => 'entity_test',
            'type' => 'entity_reference',
            'settings' => [
                'target_type' => 'entity_test',
            ],
        ])->save();
        FieldConfig::create([
            'entity_type' => 'entity_test',
            'field_name' => 'field_test_entity_reference',
            'bundle' => 'entity_test',
            'translatable' => TRUE,
        ])->save();
        $this->serializer = $this->container
            ->get('serializer');
    }

}