public function testProcess()
{
$expectedContent = 'updated content';
$tmpFile = 'tmp/file.ext';
$this->fileGenerator->expects($this->once())->method('generateFileTree')->with($this->chain)->will($this->returnValue($tmpFile));
$this->adapter->expects($this->once())->method('process')->with($tmpFile)->will($this->returnValue($expectedContent));
$this->object->process($this->chain);
$this->assertEquals($expectedContent, $this->chain->getContent());
$this->assertEquals('css', $this->chain->getContentType());
}
/**
* {@inheritdoc}
*/
public function process(\Magento\Framework\View\Asset\PreProcessor\Chain $chain)
{
$chain->setContentType('less');
$tmpFile = $this->fileGenerator->generateFileTree($chain);
$cssContent = $this->adapter->process($tmpFile);
$cssTrimmedContent = trim($cssContent);
if (!empty($cssTrimmedContent)) {
$chain->setContent($cssContent);
}
$chain->setContentType('css');
}