private function getApplication($configFileName)
 {
     $app = new Application();
     $configurator = $this->getMock('Easybook\\Configurator\\BookConfigurator', array('loadBookFileConfiguration'), array($app));
     $configurator->expects($this->any())->method('loadBookFileConfiguration')->will($this->returnValue(Yaml::parse($this->fixturesDir . '/' . $configFileName) ?: array()));
     $app['configurator'] = $configurator;
     $app->loadEasybookConfiguration();
     return $app;
 }