fix #101

Author: rodber

src/Xr.php

@@ -128,7 +128,7 @@ private function setConfigFromFile(): void
 
     private function getConfigFile(): string
     {
-        $configDirectory = $this->directory;
+        $configDirectory = rtrim($this->directory, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
         while (is_dir($configDirectory)) {
             foreach ($this->configNames as $configName) {
                 $configFullPath = $configDirectory . $configName;

tests/XrTest.php

@@ -73,7 +73,7 @@ public function testConstructWithSettingsFile(): void
     {
         $configDir = __DIR__ . '/src/';
         $return = include "{$configDir}/xr.php";
-        $xr = (new Xr())->withConfigDir($configDir);
+        $xr = (new Xr())->withConfigDir($configDir . 'config-dir-empty');
         $this->assertSame($return['isEnabled'], $xr->isEnabled());
         $return['privateKey'] = PublicKeyLoader::load($return['key']);
         unset($return['isEnabled'], $return['key']);