/**
* @param string $filename
*
* @throws UnknownFileTypeException
*
* @return string
*/
private function getReaderClass($filename)
{
$readerClass = null;
foreach ($this->config as $extension => $className) {
if ($this->endsWith($filename, $extension)) {
$readerClass = $className;
break;
}
}
if ($readerClass === null) {
throw UnknownFileTypeException::fromFileExtension($filename, array_keys($this->config));
}
return $readerClass;
}
public function testItCanBeCreatedFromFileExtension()
{
$exception = UnknownFileTypeException::fromFileExtension('.yml', ['.json', '.php']);
assertSame('No reader configured for ".yml" files; readers are available for [".json", ".php"].', $exception->getMessage());
}
