function testProxifyCss() { $proxy = new ProxyWriter(); $proxy->setSrcUrl('http://www.xataface.com/'); $proxy->setProxyUrl('http://en.xataface.com/path/en/'); $strs = array('div { background-image: url(foo); }' => 'div { background-image: url(foo); }', 'div { background-image: url(/foo); }' => 'div { background-image: url(/path/en/foo); }'); foreach ($strs as $k => $v) { $this->assertEquals($v, $proxy->proxifyCss($k)); } }