class PhpStorageFactoryTest

class PhpStorageFactoryTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    // Empty the PHP storage settings, as KernelTestBase sets it by default.
    $settings = Settings::getAll();
    unset($settings['php_storage']);
    new Settings($settings);
  }
  
  /**
   * Tests the get() method with no settings.
   */
  public function testGetNoSettings() {
    $php = PhpStorageFactory::get('test');
    // This should be the default class used.
    $this->assertInstanceOf(MTimeProtectedFileStorage::class, $php);
  }
  
  /**
   * Tests the get() method using the 'default' settings.
   */
  public function testGetDefault() {
    $this->setSettings();
    $php = PhpStorageFactory::get('test');
    $this->assertInstanceOf(MockPhpStorage::class, $php);
  }
  
  /**
   * Tests the get() method with overridden settings.
   */
  public function testGetOverride() {
    $this->setSettings('test');
    $php = PhpStorageFactory::get('test');
    // The FileReadOnlyStorage should be used from settings.
    $this->assertInstanceOf(MockPhpStorage::class, $php);
    // Test that the name is used for the bin when it is NULL.
    $this->setSettings('test', [
      'bin' => NULL,
    ]);
    $php = PhpStorageFactory::get('test');
    $this->assertInstanceOf(MockPhpStorage::class, $php);
    $this->assertSame('test', $php->getConfigurationValue('bin'), 'Name value was used for bin.');
    // Test that a default directory is set if it's empty.
    $this->setSettings('test', [
      'directory' => NULL,
    ]);
    $php = PhpStorageFactory::get('test');
    $this->assertInstanceOf(MockPhpStorage::class, $php);
    $this->assertSame(PublicStream::basePath() . '/php', $php->getConfigurationValue('directory'), 'Default file directory was used.');
    // Test that a default storage class is set if it's empty.
    $this->setSettings('test', [
      'class' => NULL,
    ]);
    $php = PhpStorageFactory::get('test');
    $this->assertInstanceOf(MTimeProtectedFileStorage::class, $php);
    // Test that a default secret is not returned if it's set in the override.
    $this->setSettings('test');
    $php = PhpStorageFactory::get('test');
    $this->assertNotEquals('mock hash salt', $php->getConfigurationValue('secret'), 'The default secret is not used if a secret is set in the overridden settings.');
    // Test that a default secret is set if it's empty.
    $this->setSettings('test', [
      'secret' => NULL,
    ]);
    $php = PhpStorageFactory::get('test');
    $this->assertSame('mock hash salt', $php->getConfigurationValue('secret'), 'The default secret is used if one is not set in the overridden settings.');
  }
  
  /**
   * Sets the Settings() singleton.
   *
   * @param string $name
   *   The storage bin name to set.
   * @param array $configuration
   *   An array of configuration to set. Will be merged with default values.
   */
  protected function setSettings($name = 'default', array $configuration = []) {
    $settings['php_storage'][$name] = $configuration + [
      'class' => 'Drupal\\system\\PhpStorage\\MockPhpStorage',
      'directory' => 'tmp://',
      'secret' => $this->randomString(),
      'bin' => 'test',
    ];
    $settings['hash_salt'] = 'mock hash salt';
    new Settings($settings);
  }

}