fix: remove error suppression from uploader

Author: AidasK

src/Flow/File.php

@@ -146,7 +146,7 @@ public function validateFile()
      */
     public function save($destination)
     {
-        $fh = fopen($destination, 'wb'); // TODO: find better way for handling warnings
+        $fh = fopen($destination, 'wb');
         if (!$fh) {
             throw new FileOpenException('failed to open destination file: '.$destination);
         }
@@ -171,7 +171,7 @@ public function save($destination)
 
             for ($i = 1; $i <= $totalChunks; $i++) {
                 $file = $this->getChunkPath($i);
-                $chunk = fopen($file, "rb"); // TODO: find better way for handling warnings
+                $chunk = fopen($file, "rb");
 
                 if (!$chunk) {
                     throw new FileOpenException('failed to open chunk: '.$file);

src/Flow/Uploader.php

@@ -14,7 +14,7 @@ class Uploader
      */
     public static function pruneChunks($chunksFolder, $expirationTime = 172800)
     {
-        $handle = @opendir($chunksFolder); // TODO: find better way for handling warnings
+        $handle = opendir($chunksFolder);
 
         if (!$handle) {
             throw new FileOpenException('failed to open folder: '.$chunksFolder);

test/Unit/UploaderTest.php

@@ -68,7 +68,7 @@ public function testUploader_pruneChunks()
 	public function testUploader_exception()
 	{
 		try {
-			Uploader::pruneChunks('not/existing/dir', 30);
+			@Uploader::pruneChunks('not/existing/dir', 30);
 			$this->fail();
 		} catch (FileOpenException $e) {
 			$this->assertSame('failed to open folder: not/existing/dir', $e->getMessage());