public function testParsing()
{
$hasSass = `which sass`;
if (!$hasSass) {
$this->markTestSkipped('Requries ruby and sass to be installed.');
}
$this->filter->settings(array('sass' => trim($hasSass)));
$content = file_get_contents($this->_cssDir . 'test.scss');
$result = $this->filter->input($this->_cssDir . 'test.scss', $content);
$expected = file_get_contents($this->_cssDir . 'compiled_scss.css');
$this->assertEquals($expected, $result);
}