class SchemaCheckTraitTest

class SchemaCheckTraitTest extends KernelTestBase {
  use SchemaCheckTrait;
  
  /**
   * The typed config manager.
   *
   * @var \Drupal\Core\Config\TypedConfigManagerInterface
   */
  protected $typedConfig;
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'config_test',
    'config_schema_test',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installConfig([
      'config_test',
      'config_schema_test',
    ]);
    $this->typedConfig = \Drupal::service('config.typed');
  }
  
  /**
   * Tests \Drupal\Core\Config\Schema\SchemaCheckTrait.
   */
  public function testTrait() {
    // Test a non existing schema.
    $ret = $this->checkConfigSchema($this->typedConfig, 'config_schema_test.noschema', $this->config('config_schema_test.noschema')
      ->get());
    $this->assertFalse($ret);
    // Test an existing schema with valid data.
    $config_data = $this->config('config_test.types')
      ->get();
    $ret = $this->checkConfigSchema($this->typedConfig, 'config_test.types', $config_data);
    $this->assertTrue($ret);
    // Add a new key, a new array and overwrite boolean with array to test the
    // error messages.
    $config_data = [
      'new_key' => 'new_value',
      'new_array' => [],
    ] + $config_data;
    $config_data['boolean'] = [];
    $ret = $this->checkConfigSchema($this->typedConfig, 'config_test.types', $config_data);
    $expected = [
      'config_test.types:new_key' => 'missing schema',
      'config_test.types:new_array' => 'missing schema',
      'config_test.types:boolean' => 'non-scalar value but not defined as an array (such as mapping or sequence)',
    ];
    $this->assertEquals($expected, $ret);
  }

}