koel/tests/Unit/iTunesTest.php

<?php

namespace Tests\Unit;

use App\Services\iTunes;
use GuzzleHttp\Client;
use GuzzleHttp\Psr7\Response;
use Mockery as m;
use Tests\TestCase;

class iTunesTest extends TestCase
{
    /** @test */
    public function it_can_be_instantiated()
    {
        $this->assertInstanceOf(iTunes::class, new iTunes());
    }

    /** @test */
    public function its_usage_status_is_determined_by_configuration()
    {
        // Given the configuration to use the iTunes service is set to TRUE
        config(['koel.itunes.enabled' => true]);
        $iTunes = new iTunes();

        // When I check if the iTunes service should be used
        $used = $iTunes->used();

        // Then I see TRUE
        $this->assertTrue($used);

        // If the configuration is set to FALSE
        config(['koel.itunes.enabled' => false]);

        // When I check if the iTunes service should be used
        $used = $iTunes->used();

        // Then I see FALSE
        $this->assertFalse($used);
    }

    /** @test */
    public function it_gets_itunes_track_url()
    {
        // Given there's a search term
        $term = 'Foo Bar';

        // When I request the iTunes track URL for the song
        $client = m::mock(Client::class, [
            'get' => new Response(200, [], file_get_contents(__DIR__.'../../blobs/itunes/track.json')),
        ]);

        $url = (new iTunes($client))->getTrackUrl($term);

        // Then I retrieve the track URL
        $this->assertEquals('https://itunes.apple.com/us/album/i-remember-you/id265611220?i=265611396&uo=4&at=1000lsGu',
            $url);

        // And the track url is cached
        $this->assertNotNull(cache('b57a14784d80c58a856e0df34ff0c8e2'));
    }
}