public function testPrepareSource()
{
$assets = new Assets();
$assets->setBaseUrl('/assets');
$this->assertSame('/assets/javascripts/foo.js', $assets->prepareSource('javascripts/foo.js'));
$this->assertSame('//example.com/javascripts/foo.js', $assets->prepareSource('//example.com/javascripts/foo.js'));
}
