Added tests for audio concatenation

README.md

@@ -625,3 +625,11 @@ $app->register(new FFMpeg\FFMpegServiceProvider(), array(
 ## License
 
 This project is licensed under the [MIT license](http://opensource.org/licenses/MIT).
+
+Music: "Favorite Secrets" by Waylon Thornton
+From the Free Music Archive
+[CC BY NC SA](http://creativecommons.org/licenses/by-nc-sa/3.0/us/)
+
+Music: "Siesta" by Jahzzar
+From the Free Music Archive
+[CC BY SA](https://creativecommons.org/licenses/by-sa/3.0/)

tests/Functional/AudioConcatenationTest.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Tests\FFMpeg\Functional;
+
+use FFMpeg\Format\Audio\Mp3;
+use FFMpeg\Media\Audio;
+
+class AudioConcatenationTest extends FunctionalTestCase
+{
+    public function testSimpleAudioFileConcatTest()
+    {
+        $ffmpeg = $this->getFFMpeg();
+        
+        $files = [
+            __DIR__ . '/../files/Jahzzar_-_05_-_Siesta.mp3',
+            __DIR__ . '/../files/02_-_Favorite_Secrets.mp3',
+        ];
+
+        $audio = $ffmpeg->open(current($files));
+
+        $this->assertInstanceOf('FFMpeg\Media\Audio', $audio);
+        
+        $filename = __DIR__ . '/output/concat-output.mp3';
+
+        if (is_file($filename)) {
+            unlink($filename);
+        }
+
+        $audio->concat($files)->saveFromSameCodecs($filename, TRUE);
+        
+        $this->assertFileExists($filename);
+        unlink($filename);
+    }
+}