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<?php

namespace Tests\FFMpeg\Unit\Filters\Audio;

use FFMpeg\Filters\Audio\AudioFilters;
use Tests\FFMpeg\Unit\TestCase;

class AudioMetadataTest extends TestCase
{
    public function testAddMetadata()
    {
        $capturedFilter = null;

        $audio = $this->getAudioMock();
        $audio->expects($this->once())
            ->method('addFilter')
            ->with($this->isInstanceOf('FFMpeg\Filters\Audio\AddMetadataFilter'))
            ->will($this->returnCallback(function ($filter) use (&$capturedFilter) {
                $capturedFilter = $filter;
            }));
        $format = $this->getMock('FFMpeg\Format\AudioInterface');

        $filters = new AudioFilters($audio);
        $filters->addMetadata(array('title' => "Hello World"));
        $this->assertEquals(array(0 => "-metadata", 1 => "title=Hello World"), $capturedFilter->apply($audio, $format));
    }

    public function testAddArtwork()
    {
        $capturedFilter = null;

        $audio = $this->getAudioMock();
        $audio->expects($this->once())
            ->method('addFilter')
            ->with($this->isInstanceOf('FFMpeg\Filters\Audio\AddMetadataFilter'))
            ->will($this->returnCallback(function ($filter) use (&$capturedFilter) {
                $capturedFilter = $filter;
            }));
        $format = $this->getMock('FFMpeg\Format\AudioInterface');

        $filters = new AudioFilters($audio);
        $filters->addMetadata(array('genre' => 'Some Genre', 'artwork' => "/path/to/file.jpg"));
        $this->assertEquals(array(0 => "-i", 1 => "/path/to/file.jpg", 2 => "-map", 3 => "0", 4 => "-map", 5 => "1", 6 => "-metadata", 7 => "genre=Some Genre"), $capturedFilter->apply($audio, $format));
        $this->assertEquals(array(0 => "-i", 1 => "/path/to/file.jpg", 2 => "-map", 3 => "0", 4 => "-map", 5 => "1", 6 => "-metadata", 7 => "genre=Some Genre"), $capturedFilter->apply($audio, $format));
    }

    public function testRemoveMetadata()
    {
        $capturedFilter = null;

        $audio = $this->getAudioMock();
        $audio->expects($this->once())
            ->method('addFilter')
            ->with($this->isInstanceOf('FFMpeg\Filters\Audio\AddMetadataFilter'))
            ->will($this->returnCallback(function ($filter) use (&$capturedFilter) {
                $capturedFilter = $filter;
            }));
        $format = $this->getMock('FFMpeg\Format\AudioInterface');

        $filters = new AudioFilters($audio);
        $filters->addMetadata();
        $this->assertEquals(array(0 => "-map_metadata", 1 => "-1", 2 => "-vn"), $capturedFilter->apply($audio, $format));
    }
}