Very basic unit testing

tests/VideoDownloadTest.php

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+<?php
+/**
+ * VideoDownloadTest class
+ *
+ * PHP Version 5.3.10
+ *
+ * @category Youtube-dl
+ * @package  Youtubedl
+ * @author   Pierre Rudloff <contact@rudloff.pro>
+ * @license  GNU General Public License http://www.gnu.org/licenses/gpl.html
+ * @link     http://rudloff.pro
+ * */
+
+require_once __DIR__.'/../common.php';
+require_once __DIR__.'/../download.php';
+
+/**
+ * Unit tests for the VideoDownload class
+ *
+ * PHP Version 5.3.10
+ *
+ * @category Youtube-dl
+ * @package  Youtubedl
+ * @author   Pierre Rudloff <contact@rudloff.pro>
+ * @license  GNU General Public License http://www.gnu.org/licenses/gpl.html
+ * @link     http://rudloff.pro
+ * */
+class VideoDownloadTest extends PHPUnit_Framework_TestCase
+{
+    static private $_testVideoURL = 'https://www.youtube.com/watch?v=RJJ6FCAXvKg';
+
+    /**
+     * Test getVersion function
+     * @return void
+     */
+    public function testGetVersion()
+    {
+        $this->assertStringMatchesFormat('%i.%i.%i', VideoDownload::getVersion());
+    }
+
+    /**
+     * Test getUA function
+     * @return void
+     */
+    public function testGetUA()
+    {
+        $this->assertStringStartsWith('Mozilla/', VideoDownload::getUA());
+    }
+
+    /**
+     * Test listExtractors funtion
+     * @return void
+     */
+    public function testListExtractors()
+    {
+        $extractors = VideoDownload::listExtractors();
+        $this->assertNotEmpty($extractors);
+        $this->assertInternalType('array', $extractors);
+    }
+
+    /**
+     * Test getURL function
+     * @return void
+     */
+    public function testGetURL()
+    {
+        $url = VideoDownload::getURL(self::$_testVideoURL);
+        $this->assertArrayHasKey('success', $url);
+        $this->assertArrayHasKey('url', $url);
+    }
+}