public function testRelativeSourceUrlImportImports() { $asset = new FileAsset(__DIR__ . '/fixtures/cssmin/main.css'); $asset->load(); $filter = new CssMinFilter(__DIR__ . '/fixtures/cssmin'); $filter->setFilter('ImportImports', true); $filter->filterDump($asset); $this->assertEquals('body{color:white}body{background:black}', $asset->getContent()); }