class ConfigFormBaseTraitTest

class ConfigFormBaseTraitTest extends UnitTestCase {
  
  /**
   * @covers ::config
   */
  public function testConfig() {
    $trait = $this->getMockForTrait('Drupal\\Core\\Form\\ConfigFormBaseTrait');
    // Set up some configuration in a mocked config factory.
    $trait->configFactory = $this->getConfigFactoryStub([
      'editable.config' => [],
      'immutable.config' => [],
    ]);
    $trait->expects($this->any())
      ->method('getEditableConfigNames')
      ->willReturn([
      'editable.config',
    ]);
    $config_method = new \ReflectionMethod($trait, 'config');
    $config_method->setAccessible(TRUE);
    // Ensure that configuration that is expected to be mutable is.
    $result = $config_method->invoke($trait, 'editable.config');
    $this->assertInstanceOf('\\Drupal\\Core\\Config\\Config', $result);
    $this->assertNotInstanceOf('\\Drupal\\Core\\Config\\ImmutableConfig', $result);
    // Ensure that configuration that is expected to be immutable is.
    $result = $config_method->invoke($trait, 'immutable.config');
    $this->assertInstanceOf('\\Drupal\\Core\\Config\\ImmutableConfig', $result);
  }
  
  /**
   * @covers ::config
   */
  public function testConfigFactoryException() {
    $trait = $this->getMockForTrait('Drupal\\Core\\Form\\ConfigFormBaseTrait');
    $config_method = new \ReflectionMethod($trait, 'config');
    $config_method->setAccessible(TRUE);
    // There is no config factory available this should result in an exception.
    $this->expectException(\LogicException::class);
    $this->expectExceptionMessage('No config factory available for ConfigFormBaseTrait');
    $config_method->invoke($trait, 'editable.config');
  }
  
  /**
   * @covers ::config
   */
  public function testConfigFactoryExceptionInvalidProperty() {
    $trait = $this->getMockForTrait('Drupal\\Core\\Form\\ConfigFormBaseTrait');
    $trait->configFactory = TRUE;
    $config_method = new \ReflectionMethod($trait, 'config');
    $config_method->setAccessible(TRUE);
    // There is no config factory available this should result in an exception.
    $this->expectException(\LogicException::class);
    $this->expectExceptionMessage('No config factory available for ConfigFormBaseTrait');
    $config_method->invoke($trait, 'editable.config');
  }

}