Creation of the tests for the ExtractMultipleFramesFilter class

tests/Unit/Filters/Video/ExtractMultipleFramesFilterTest.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Tests\FFMpeg\Unit\Filters\Video;
+
+use FFMpeg\Filters\Video\ExtractMultipleFramesFilter;
+use Tests\FFMpeg\Unit\TestCase;
+use FFMpeg\FFProbe\DataMapping\Stream;
+use FFMpeg\FFProbe\DataMapping\StreamCollection;
+
+class ExtractMultipleFramesFilterTest extends TestCase
+{
+    /**
+     * @dataProvider provideFrameRates
+     */
+    public function testApply($frameRate, $destinationFolder, $duration, $modulus, $expected)
+    {
+        $video = $this->getVideoMock();
+        $pathfile = '/path/to/file'.mt_rand();
+
+        $format = $this->getMock('FFMpeg\Format\VideoInterface');
+        $format->expects($this->any())
+            ->method('getModulus')
+            ->will($this->returnValue($modulus));
+
+        $streams = new StreamCollection(array(
+            new Stream(array(
+                'codec_type' => 'video',
+                'duration'      => $duration,
+            ))
+        ));
+
+        $video->expects($this->once())
+            ->method('getStreams')
+            ->will($this->returnValue($streams));
+
+        $filter = new ExtractMultipleFramesFilter($frameRate, $destinationFolder);
+        $this->assertEquals($expected, $filter->apply($video, $format));
+    }
+
+    public function provideFrameRates()
+    {
+        return array(
+            array(ExtractMultipleFramesFilter::FRAMERATE_EVERY_SEC, '/', 100, 2, array('-vf', 'fps=1/1', '/frame-%03d.jpg')),
+            array(ExtractMultipleFramesFilter::FRAMERATE_EVERY_2SEC, '/', 100, 2, array('-vf', 'fps=1/2', '/frame-%02d.jpg')),
+            array(ExtractMultipleFramesFilter::FRAMERATE_EVERY_5SEC, '/', 100, 2, array('-vf', 'fps=1/5', '/frame-%02d.jpg')),
+            array(ExtractMultipleFramesFilter::FRAMERATE_EVERY_10SEC, '/', 100, 2, array('-vf', 'fps=1/10', '/frame-%02d.jpg')),
+            array(ExtractMultipleFramesFilter::FRAMERATE_EVERY_30SEC, '/', 100, 2, array('-vf', 'fps=1/30', '/frame-%02d.jpg')),
+            array(ExtractMultipleFramesFilter::FRAMERATE_EVERY_60SEC, '/', 100, 2, array('-vf', 'fps=1/60', '/frame-%02d.jpg')),
+        );
+    }
+}