refactor: New Video class

The news class provides a cleaner object-oriented logic

BREAKING CHANGE: The VideoDownload class has been removed and the Config constructor is now private

tests/VideoStubsTest.php

@@ -0,0 +1,105 @@
+<?php
+/**
+ * VideoStubsTest class.
+ */
+
+namespace Alltube\Test;
+
+use Alltube\Config;
+use Alltube\Video;
+use Mockery;
+use phpmock\mockery\PHPMockery;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Unit tests for the Video class.
+ * They are in a separate file so they can safely replace PHP functions with stubs.
+ */
+class VideoStubsTest extends BaseTest
+{
+    /**
+     * Video URL used in many tests.
+     *
+     * @var Video
+     */
+    private $video;
+
+    /**
+     * Initialize properties used by test.
+     */
+    protected function setUp()
+    {
+        parent::setUp();
+
+        PHPMockery::mock('Alltube', 'popen');
+        PHPMockery::mock('Alltube', 'fopen');
+
+        $this->video = new Video('https://www.youtube.com/watch?v=XJC9_JkzugE');
+    }
+
+    /**
+     * Remove stubs.
+     *
+     * @return void
+     */
+    protected function tearDown()
+    {
+        Mockery::close();
+    }
+
+    /**
+     * Test getAudioStream function with a buggy popen.
+     *
+     * @return void
+     * @expectedException Exception
+     */
+    public function testGetAudioStreamWithPopenError()
+    {
+        $this->video->getAudioStream();
+    }
+
+    /**
+     * Test getM3uStream function with a buggy popen.
+     *
+     * @return void
+     * @expectedException Exception
+     */
+    public function testGetM3uStreamWithPopenError()
+    {
+        $this->video->getM3uStream();
+    }
+
+    /**
+     * Test getRtmpStream function with a buggy popen.
+     *
+     * @return void
+     * @expectedException Exception
+     */
+    public function testGetRtmpStreamWithPopenError()
+    {
+        $this->video->getRtmpStream();
+    }
+
+    /**
+     * Test getRemuxStream function with a buggy popen.
+     *
+     * @return void
+     * @expectedException Exception
+     */
+    public function testGetRemuxStreamWithPopenError()
+    {
+        $video = $this->video->withFormat('bestvideo+bestaudio');
+        $video->getRemuxStream();
+    }
+
+    /**
+     * Test getConvertedStream function with a buggy popen.
+     *
+     * @return void
+     * @expectedException Exception
+     */
+    public function testGetConvertedStreamWithPopenError()
+    {
+        $this->video->getConvertedStream(32, 'flv');
+    }
+}