protected function getResolver($resolveTo = __FILE__) { $mimeResolver = new MimeResolver(); $asset = new Asset\FileAsset($resolveTo); $asset->mimetype = $mimeResolver->getMimeType($resolveTo); $resolver = $this->getMock(ResolverInterface::class); $resolver->expects($this->once())->method('resolve')->with('asset-path')->will($this->returnValue($asset)); return $resolver; }