AssetManagerTest\Service\ConcatResolverTest::testResolveAssetSuccess PHP Method

    public function testResolveAssetSuccess()
    {
        $resolver = new ConcatResolver();
        $asset1 = array('bacon' => array(__FILE__, __FILE__));
        $callback = function ($file) {
            $asset = new \Assetic\Asset\FileAsset($file);
            return $asset;
        };
        $aggregateResolver = $this->getMock(ResolverInterface::class);
        $aggregateResolver->expects($this->exactly(2))->method('resolve')->will($this->returnCallback($callback));
        $resolver->setAggregateResolver($aggregateResolver);
        $assetFilterManager = new AssetFilterManager();
        $mimeResolver = new MimeResolver();
        $assetFilterManager->setMimeResolver($mimeResolver);
        $resolver->setMimeResolver($mimeResolver);
        $resolver->setAssetFilterManager($assetFilterManager);
        $resolver->setConcats($asset1);
        $asset = $resolver->resolve('bacon');
        $this->assertTrue($asset instanceof AggregateAsset);
        $this->assertEquals($asset->dump(), file_get_contents(__FILE__) . file_get_contents(__FILE__));
    }