public function testGetCachedShouldCreateLocalCopyOfRemoteFile()
{
$cachedir = Papercite::getCacheDirectory();
$p = new Papercite();
$url = "https://gist.githubusercontent.com/bpiwowar/9793f4e2da48dfb34cde/raw/5fbff41218107aa9dcfab4fc53fe8e2b86ea8416/test.bib";
$cached = $p->getCached($url);
$name = strtolower(preg_replace("@[/:]@", "_", $url));
$this->assertNotEmpty($cached);
$this->assertTrue(file_exists($cached[0]));
$this->assertTrue(file_exists($cachedir . '/' . $name . '.bib'));
}