FieldImportChangeTest.php

<?php

namespace Drupal\Tests\field\Kernel;

use Drupal\field\Entity\FieldConfig;

/**
 * Update field storage and fields during config change method invocation.
 *
 * @group field
 */
class FieldImportChangeTest extends FieldKernelTestBase {
    
    /**
     * Modules to enable.
     *
     * The default configuration provided by field_test_config is imported by
     * \Drupal\Tests\field\Kernel\FieldKernelTestBase::setUp() when it installs
     * field configuration.
     *
     * @var array
     */
    public static $modules = [
        'field_test_config',
    ];
    
    /**
     * Tests importing an updated field.
     */
    public function testImportChange() {
        $this->installConfig([
            'field_test_config',
        ]);
        $field_storage_id = 'field_test_import';
        $field_id = "entity_test.entity_test.{$field_storage_id}";
        $field_config_name = "field.field.{$field_id}";
        $active = $this->container
            ->get('config.storage');
        $sync = $this->container
            ->get('config.storage.sync');
        $this->copyConfig($active, $sync);
        // Save as files in the sync directory.
        $field = $active->read($field_config_name);
        $new_label = 'Test update import field';
        $field['label'] = $new_label;
        $sync->write($field_config_name, $field);
        // Import the content of the sync directory.
        $this->configImporter()
            ->import();
        // Check that the updated config was correctly imported.
        $field = FieldConfig::load($field_id);
        $this->assertEqual($field->getLabel(), $new_label, 'field label updated');
    }

}